:root{
    --default-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --bg-color:#f8fafc;
    --text-color:#334155;
    --card-bg:#fff;
    /* Light-mode complements used by components that expect dark-surface tokens */
    --card-bg-dark:#f3f4f6;            /* light grey surface for contrast on light theme */
    --card-bg-dark-extra:#eef2f7;      /* slightly darker variant for chips/menus */
    --border-color-dark:#d1d5db;       /* stronger divider for light theme */
    --text-color-dark:#f5f7fa;         /* readable text on dark code chips in light mode */
    --primary-color:#949494;           /* brand primary for light theme */
    --primary-dark:#4945e3;            /* deeper shade */
    
    /* Enhanced Typography Scale */
    --font-size-xs: 0.75rem;          /* 12px */
    --font-size-sm: 0.875rem;         /* 14px */
    --font-size-base: 1rem;           /* 16px */
    --font-size-lg: 1.125rem;         /* 18px */
    --font-size-xl: 1.25rem;          /* 20px */
    --font-size-2xl: 1.5rem;          /* 24px */
    --font-size-3xl: 1.875rem;        /* 30px */
    --font-size-4xl: 2.25rem;         /* 36px */
    
    /* Font weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing system (8px grid) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    
    /* Enhanced colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    
    /* Advanced Status Color System */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-success-dark: #047857;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-success-border: rgba(16, 185, 129, 0.2);
    
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-warning-dark: #d97706;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-warning-border: rgba(245, 158, 11, 0.2);
    
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-error-dark: #dc2626;
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --color-error-border: rgba(239, 68, 68, 0.2);
    
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-info-dark: #2563eb;
    --color-info-bg: rgba(59, 130, 246, 0.1);
    --color-info-border: rgba(59, 130, 246, 0.2);
    
    /* Interactive states */
    --color-focus: #2563eb;
    --color-focus-ring: rgba(37, 99, 235, 0.2);
    
    /* Refined Glass Morphism System */
    --glass-bg: rgba(255, 255, 255, 0.16);
    --glass-bg-strong: rgba(255, 255, 255, 0.24);
    --glass-border: rgba(148, 163, 184, 0.28);
    --glass-border-strong: rgba(148, 163, 184, 0.42);
    --glass-accent: rgba(99, 102, 241, 0.2);
    --glass-shadow: 0 22px 55px -28px rgba(15, 23, 42, 0.42);
    --glass-shadow-strong: 0 34px 70px -26px rgba(15, 23, 42, 0.5);
    --glass-blur: blur(24px) saturate(130%);
    --glass-blur-strong: blur(32px) saturate(150%);

    --chat-header-height: 72px;
    --chat-composer-height: 148px;
    
    /* Enhanced shadows with multiple layers */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Professional Animation System */
    --duration-instant: 50ms;
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;
    --duration-slower: 500ms;
    --duration-sluggish: 750ms;
    
    /* Advanced Easing Functions */
    --ease-linear: linear;
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-back: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-anticipate: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-overshoot: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Motion choreography delays */
    --delay-100: 100ms;
    --delay-200: 200ms;
    --delay-300: 300ms;
    --delay-500: 500ms;
    --delay-700: 700ms;
    --delay-1000: 1000ms;
    /* Bubble theming */
    --user-bubble-bg: var(--primary-color);
    --user-bubble-text: #ffffff;
    --assistant-bubble-bg: var(--card-bg);
    --assistant-bubble-text: var(--text-color);
    /* Hover overlays */
    --hover-overlay: rgba(0,0,0,0.06);
    --navbar-bg:rgba(0,0,0,.363);
    --navbar-text:#334155;
    --card-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);
    --border-color:#e2e8f0;
    --hover-bg:#f1f5f9;
    --tab-active-bg:#fff;
    --tab-active-text:var(--primary-color);
    --tab-hover-bg:rgba(0,0,0,.02);
    --transition-speed:0.3s;
    --primary-light:#818cf8;
    --success-color:#10b981;
    --warning-color:#f59e0b;
    --danger-color:#ef4444;
    --text-muted:#64748b;
    --primary-color-rgb:99,102,241;
    /* RGB variants only kept where used */
    --code-bg:#f7f7f9;
    --accent-color:#7952b3;
    --text-color-secondary:#6c757d;
    --light-gray:#e9ecef;
    --info-color:#17a2b8;
    /* Unused palette values removed for clarity */
    --chat-container-width:800px;
    --sidebar-width: 280px;
    /* Unified sidebar animation */
    --sidebar-transition-duration: 0.36s;
    --sidebar-transition-ease: cubic-bezier(0.16, 1, 0.3, 1);
    /* Layered background + glass tokens */
    --page-gradient: radial-gradient(circle at 10% -20%, rgba(129,140,248,.32) 0%, transparent 55%),
                     radial-gradient(circle at 90% 0%, rgba(56,189,248,.22) 0%, transparent 45%),
                     linear-gradient(180deg, rgba(15,23,42,.86) 0%, rgba(10,12,20,.96) 100%);
    --noise-filter: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
}
    
[data-theme=dark]{
    --bg-color:#11111100;
    --text-color:#ffffff;        /*e5e7eb */
     --card-bg:#1f1f1f;          /*1f1f1f */
    --navbar-bg:rgba(44,44,44,.85);
    --navbar-text:#e5e7eb;
    --card-shadow:0 10px 15px -3px rgba(0,0,0,.4),0 4px 6px -2px rgba(0,0,0,.2);
    --border-color:#4d4d4d;
    --border-color-dark:#4d4d4da2;
    --hover-bg:#252525;
    --tab-active-bg:#171f2e;
    --tab-active-text:var(--primary-light);
    --tab-hover-bg:hsla(0,0%,100%,.03);
    --primary-color:hsla(0, 0%, 100%, 0.705);
    --primary-light:hsla(0,0%,100%,.514);
    --primary-dark:#4945e3;
    --text-muted-2:#5d7185;
    --primary-color-rgb:124,131,245;
    --code-bg:hsla(0,0%,100%,.07);
    --card-bg-dark:#2b2b2b;
    --text-color-dark:#f5f7fa;
    
    /* Enhanced dark theme colors */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #6b7280;
    --text-inverse: #111827;
    
    /* Advanced Dark Theme Status Colors */
    --color-success: #34d399;
    --color-success-light: rgba(52, 211, 153, 0.15);
    --color-success-dark: #10b981;
    --color-success-bg: rgba(52, 211, 153, 0.1);
    --color-success-border: rgba(52, 211, 153, 0.25);
    
    --color-warning: #fbbf24;
    --color-warning-light: rgba(251, 191, 36, 0.15);
    --color-warning-dark: #f59e0b;
    --color-warning-bg: rgba(251, 191, 36, 0.1);
    --color-warning-border: rgba(251, 191, 36, 0.25);
    
    --color-error: #f87171;
    --color-error-light: rgba(248, 113, 113, 0.15);
    --color-error-dark: #ef4444;
    --color-error-bg: rgba(248, 113, 113, 0.1);
    --color-error-border: rgba(248, 113, 113, 0.25);
    
    --color-info: #60a5fa;
    --color-info-light: rgba(96, 165, 250, 0.15);
    --color-info-dark: #3b82f6;
    --color-info-bg: rgba(96, 165, 250, 0.1);
    --color-info-border: rgba(96, 165, 250, 0.25);
    
    /* Refined dark glass morphism */
    --glass-bg: rgba(15, 23, 42, 0.38);
    --glass-bg-strong: rgba(15, 23, 42, 0.56);
    --glass-border: rgba(148, 163, 184, 0.26);
    --glass-border-strong: rgba(148, 163, 184, 0.4);
    --glass-accent: rgba(124, 131, 245, 0.2);
    --glass-shadow: 0 26px 58px -30px rgba(2, 6, 23, 0.6);
    --glass-shadow-strong: 0 38px 76px -28px rgba(2, 6, 23, 0.68);
    
    /* Enhanced shadows for dark theme */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 10px 10px rgba(0, 0, 0, 0.4);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.7);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    /* Bubbles */
    --user-bubble-bg: var(--card-bg-dark);
    --user-bubble-text: var(--text-color);
    --assistant-bubble-bg: var(--card-bg);
    --assistant-bubble-text: var(--text-color);
    --hover-overlay: rgba(255,255,255,0.1);
    --system-bg-dark:#15181f;
    --chat-container-width:800px;
    --sidebar-width: 280px;
    --card-bg-dark-extra: #0e0e0e;
    --text-menu-font-size: 0.8rem;
    --text-small-size: 0.7rem;
    --color-border-muted: #4d4d4d;
    --page-gradient: radial-gradient(circle at 18% -12%, rgba(129,140,248,.18) 0%, transparent 40%),
                     radial-gradient(circle at 80% 0%, rgba(248,113,113,.14) 0%, transparent 42%),
                     linear-gradient(180deg, rgba(11,15,23,.95) 0%, rgba(5,6,12,0.98) 100%);
}

/* Enhanced base styles with better typography and motion */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

html, body {
    background: var(--page-gradient);
    min-height: 100dvh;
    margin: 0;
    position: relative;
    overflow-x: hidden;
    font-family: var(--default-font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
}

body {
    color: var(--text-primary);
    isolation: isolate;
    transition: color var(--duration-normal) var(--ease-out);
}

/* Advanced Motion System */
@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Professional Animation Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(20px);
    }
    50% {
        opacity: 1;
        transform: scale(1.05) translateY(-5px);
    }
    70% {
        transform: scale(0.98) translateY(2px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: var(--shadow-md);
    }
    50% {
        box-shadow: var(--shadow-xl), 0 0 20px var(--primary-color);
    }
}

/* Enhanced focus styles with advanced animations */
*:focus {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
    border-radius: 4px;
    animation: focusRing var(--duration-fast) var(--ease-out);
}

@keyframes focusRing {
    from {
        outline-color: transparent;
        box-shadow: 0 0 0 0 var(--color-focus-ring);
    }
    to {
        outline-color: var(--color-focus);
        box-shadow: 0 0 0 4px var(--color-focus-ring);
    }
}

*:focus:not(:focus-visible) {
    outline: none;
    animation: none;
}

*:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    animation: focusRing var(--duration-normal) var(--ease-out);
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -2;
}

body::before {
    background: var(--page-gradient);
    opacity: 0.92;
}

body::after {
    background-image: var(--noise-filter);
    background-size: 160px 160px;
    mix-blend-mode: soft-light;
    opacity: 0.65;
    z-index: -1;
}


/* Utility */
.hidden{ display: none !important; }

/* Minimal utility classes (bootstrap-like) used by markup */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.me-1 { margin-right: 0.25rem; }
.me-2 { margin-right: 0.5rem; }
    
/* Enhanced typography system */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 { 
    font-size: var(--font-size-4xl); 
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
}

h2 { 
    font-size: var(--font-size-3xl); 
    margin-bottom: var(--space-5);
}

h3 { 
    font-size: var(--font-size-2xl); 
    margin-bottom: var(--space-4);
}

h4 { 
    font-size: var(--font-size-xl); 
    margin-bottom: var(--space-4);
}

h5 { 
    font-size: var(--font-size-lg); 
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-3);
}

h6 { 
    font-size: var(--font-size-base); 
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
}

/* Enhanced paragraph and text styles */
p {
    margin: 0 0 var(--space-4) 0;
    color: var(--text-primary);
    line-height: var(--line-height-relaxed);
}

small {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Advanced Status Color System with Semantic Components */

/* Status badges with glass morphism */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border: 1px solid;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    transition: left var(--duration-slow) var(--ease-out);
}

.status-badge:hover::before {
    left: 100%;
}

.status-badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.status-badge-success:hover {
    background: var(--color-success-light);
    box-shadow: 0 0 15px var(--color-success);
    transform: scale(1.05);
}

.status-badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.status-badge-warning:hover {
    background: var(--color-warning-light);
    box-shadow: 0 0 15px var(--color-warning);
    transform: scale(1.05);
}

.status-badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error-border);
}

.status-badge-error:hover {
    background: var(--color-error-light);
    box-shadow: 0 0 15px var(--color-error);
    transform: scale(1.05);
}

.status-badge-info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

.status-badge-info:hover {
    background: var(--color-info-light);
    box-shadow: 0 0 15px var(--color-info);
    transform: scale(1.05);
}

/* Status indicators with pulsing animation */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    margin-right: var(--space-2);
}

.status-indicator::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: inherit;
    opacity: 0.3;
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.status-indicator-success {
    background: var(--color-success);
}

.status-indicator-warning {
    background: var(--color-warning);
}

.status-indicator-error {
    background: var(--color-error);
}

.status-indicator-info {
    background: var(--color-info);
}

/* Toast notifications with advanced animations */
.toast {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    min-width: 300px;
    max-width: 400px;
    padding: var(--space-4) var(--space-5);
    border-radius: 16px;
    border: 1px solid;
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    animation: slideInFromRight var(--duration-slow) var(--ease-bounce);
    transition: all var(--duration-normal) var(--ease-out);
}

.toast.toast-exit {
    animation: slideOutToRight var(--duration-normal) var(--ease-in);
}

@keyframes slideOutToRight {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.toast-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.toast-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error-border);
}

.toast-info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

/* Progress bars with gradient effects */
.progress {
    width: 100%;
    height: 8px;
    background: var(--glass-bg);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--glass-border);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: inherit;
    transition: width var(--duration-slow) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transform: translateX(-100%);
    animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
    to {
        transform: translateX(100%);
    }
}

.progress-success .progress-bar {
    background: linear-gradient(90deg, var(--color-success), var(--color-success-dark));
}

.progress-warning .progress-bar {
    background: linear-gradient(90deg, var(--color-warning), var(--color-warning-dark));
}

.progress-error .progress-bar {
    background: linear-gradient(90deg, var(--color-error), var(--color-error-dark));
}

h5{
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

h6{
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

/* Enhanced Typography Utilities */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

/* Typography with advanced animations */
.animate-text {
    transition: all var(--duration-normal) var(--ease-out);
}

.animate-text:hover {
    transform: translateY(-1px);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Professional Cards with Glass Morphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-6);
    box-shadow: var(--glass-shadow);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        transparent);
    transition: left var(--duration-slow) var(--ease-out);
}

.glass-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--glass-shadow-strong), 0 0 40px rgba(99, 102, 241, 0.1);
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
}

.glass-card:hover::before {
    left: 100%;
}
    

/* -- Main markdown container ------------------------------------------- */
.markdown-content {
    /* light & dark themes share the same rules; colors come from CSS vars */
    margin: 0;    
    font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
    font-size: 16px;          /* base body size */
    line-height: 1.5;         /* comfortable reading line-height */
    word-wrap: break-word;
  }
  
  /* -- Headings ----------------------------------------------------------- */
  .markdown-content h1,
  .markdown-content h2,
  .markdown-content h3,
  .markdown-content h4,
  .markdown-content h5,
  .markdown-content h6 {
    margin-top: 24px;         /* extra space before */
    margin-bottom: 16px;      /* and after each heading */
    font-weight: 600;         /* semibold */
    line-height: 1.25;        /* tight heading line-height */
  }
  
  /* individual sizes + a couple of small tweaks */
  .markdown-content h1 { font-size: 2em; }               /* 32 px */
  .markdown-content h2 {
    font-size: 1.5em;                                  /* 24 px */
    padding-bottom: .3em;
    padding-top: 1.5em;
    border-top: 1px solid var(--border-color);
  }
  .markdown-content h3 {
    font-size: 1.25em;                                  /* 24 px */
    padding-bottom: .3em;
    padding-top: 1.5em;
    border-top: 1px solid var(--border-color);
  }
  .markdown-content h4 { font-size: 1em; }               /* 16 px */
  .markdown-content h5 { font-size: .875em; }            /* 14 px */
  .markdown-content h6 {
    font-size: .85em;                                 /* 13.6 px */
    color: var(--color-fg-muted);
  }
  
  /* -- Lists -------------------------------------------------------------- */
  .markdown-content ul,
  .markdown-content ol {
    margin: 0;                 /* reset browser defaults */
    padding-left: 2em;         /* indent bullets/numbers */
  }
  
  /* nested lists keep tight spacing */
  .markdown-content ul ul,
  .markdown-content ul ol,
  .markdown-content ol ol,
  .markdown-content ol ul {
    margin-top: 0;
    margin-bottom: 0;
  }
  
  /* small vertical gap between sibling list items */
  .markdown-content li + li { margin-top: .25em; }
  
  /* alternate numbering styles that Markdown can emit */
  .markdown-content ol[type=a]      { list-style-type: lower-alpha; }
  .markdown-content ol[type=A]      { list-style-type: upper-alpha; }
  .markdown-content ol[type=i]      { list-style-type: lower-roman; }
  .markdown-content ol[type=I]      { list-style-type: upper-roman; }
  .markdown-content ol[type="1"],
  .markdown-content div > ol:not([type]) { list-style-type: decimal; }
  
  /* remove bullets/numbers when you add .no-list */
  .markdown-content ul.no-list,
  .markdown-content ol.no-list {
    list-style-type: none;
    padding: 0;
  }

  .markdown-content ul{
    padding-top: 0.2rem;
    padding-bottom: 1rem;
  }
  
/* ── Tables ─────────────────────────────────────────────── */
.markdown-content table {
    position:relative;     /* allow z-index and sticky children to work */
    z-index: 10000;             /* lift table above its parent’s stacking context */
    display: block;         /* allow horizontal scrolling */
    width: 100%;            /* size to screen */
    table-layout: auto;
    overflow-x: auto;       /* enable scroll when needed */
    padding-bottom: 50px;
    scrollbar-width: none;  /* hide scrollbar in Firefox */
    -ms-overflow-style: none; /* hide scrollbar in IE/Edge */
}


.markdown-content table th,
.markdown-content table td {
    font-size: 0.9rem;
    border: none;
    padding: 10px;
}

/* make the header row stick to the top of its container */
.markdown-content table th {
    position: sticky;
    top: 0;
    background: var(--card-bg);
    z-index: 2;
}

.markdown-content table th {
    font-weight: bold;
}
  
  
/* Reset default table borders and add a single top border only between rows */
    /* only keep border between first and second row */
.markdown-content table tr:nth-child(1) td {
    border-top: 1px solid var(--border-color);
}
    
.markdown-content table tr + tr {
    border-top: 1px solid var(--border-color-dark);
}


  
  
  /* ── Inline code ─────────────────────────────────────────── */
  .markdown-content code {
    color: var(--text-color-dark);
    padding: .2em;
    margin: 0;
    background: #3d3d3d;
    border-radius: 5px;
  }
  
  /* tiny NBSP guards so the border never kisses adjacent text */
  .markdown-content code:before,
  .markdown-content code:after {
    content: "\00a0";
    letter-spacing: -0.2em;
  }
  
  
  /* ── Code blocks / fenced code ───────────────────────────── */
  .markdown-content pre,
  .markdown-content .highlight pre {
    background: #000000;
    border: 1px solid var(--color-border-muted);
    border-radius: 5px;
    color: var(--text-color-dark);
    font-size: 13px;
    line-height: 19px;
    overflow: auto;
    padding: 6px 10px;     /* room for line numbers / copy-button overlay */
  }
  
  .markdown-content pre > code {        /* resets inside the block */
    border: none;
    background: transparent;
    padding: 0;
    margin: 0;
    white-space: pre;
  }
  

.markdown-content .code-block {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 1.5em 0;
    overflow: hidden;
    background-color: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* header with language name on the left and copy button on the right */
.markdown-content .code-block .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg-dark);
    padding: 0.5em 1em;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8em;
}

/* language label */
.markdown-content .code-block .code-language {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--text-muted);
}

/* copy button */
.markdown-content .code-block .copy-code-button {
    background-color: var(--primary-color);
    color: var(--card-bg);
    border: none;
    border-radius: 5px;
    padding: 0.2em 0.6em;
    font-size: 0.8em;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.markdown-content .code-block .copy-code-button:hover {
    background-color: var(--primary-dark);
}

/* code container */
.markdown-content .code-block pre {
    margin: 0;
    padding: 1em;
    background-color: rgba(0, 0, 0, 0.356);
    font-size: 0.9em;
    overflow: auto;
}


@font-face{
    font-family:Azonix;
    font-style:normal;
    font-weight:400;
    src:url(Azonix.otf) format("truetype")}
    
    .mobile-menu{
    background-color:var(--bg-color);
    box-shadow:0 0 10px rgba(0,0,0,.2);
    height:100dvh;
    left:-250px;
    position:fixed;
    top:0;
    transition:left .3s ease;
    width:250px;
    z-index:99999;
    display:none !important; /* Force-hide old mobile menu – dynamic drawer replaces it */
    flex-direction:column;
    overflow-x:hidden;
    overflow-y:hidden}
    
    .mobile-menu.active{
    left:0}
    
    /* removed legacy .menu-overlay (unused) */
    
    .mobile-menu-header{
    align-items:end;
    background-color:var(--card-bg-dark-extra);
    display:flex;
    padding:15px}
    
    .brand-name{
    flex-grow:1;
    font-size:1.2rem;
    font-weight:700;
    margin-left:10px}
    
    .mobile-menu-sections{
    background-color:var(--card-bg-dark-extra);
    color:var(--text-muted);
    padding:12px;
    position:relative;
    z-index:1000;
    flex:1;
    display:flex;
    flex-direction:column;
    overflow:hidden;
    overflow-x:hidden;
    }

/* ===== Desktop Sidebar (ChatGPT-like) ===== */
/* The conversation drawer is created dynamically by conversation.js */
.conversation-drawer{
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100dvh;
    background: var(--card-bg-dark-extra);
    border-right: 1px solid var(--border-color-dark);
    z-index: 900; /* Below header/input which are 1000 */
    display: flex;
    flex-direction: column;
    padding: 8px 8px 12px; /* top = header height offset */
    transform: translate3d(calc(-1 * var(--sidebar-width) - 32px), 0, 0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--sidebar-transition-duration) var(--sidebar-transition-ease),
                opacity var(--sidebar-transition-duration) var(--ease-out),
                box-shadow var(--sidebar-transition-duration) var(--sidebar-transition-ease);
    will-change: transform, opacity;
}

body.sidebar-open .conversation-drawer{
    transform: translate3d(0, 0, 0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: var(--glass-shadow-strong);
}

/* Only expose the sidebar on larger screens when toggled on */
@media (min-width: 1024px){
    .conversation-drawer{
        transform: translate3d(calc(-1 * var(--sidebar-width) - 32px), 0, 0);
    }

    /* Shift header, content, and input to the right when sidebar is open */
    body.sidebar-open .chat-header{
        transform: none;
        left: var(--sidebar-width);
        right: clamp(16px, 4vw, 48px);
    }
    body.sidebar-open main#chat-container{
        transform: none;
        left: var(--sidebar-width);
        right: 0;
    }
    body.sidebar-open .chat-input-container{
        --composer-shift: calc(var(--sidebar-width) / 2);
        width: min(980px, calc(100vw - var(--sidebar-width) - 24px));
    }

    
    body.sidebar-open .messages-wrapper{
        max-width: min(var(--chat-container-width), calc(100vw - var(--sidebar-width) - 48px));
    }
}

/* Mobile sidebar behavior - shift style (match desktop) */
@media (max-width: 1023px){
    /* Mobile: narrow drawer, same width as desktop, slides in from left */
    .footer-disclaimer {
        display: none;
    }

    .conversation-drawer{ 
        z-index: 100001; 
        width: var(--sidebar-width); 
        height: 100dvh;
        transform: translate3d(calc(-1 * var(--sidebar-width) - 24px), 0, 0);
    }
    body.sidebar-open .conversation-drawer{ 
        z-index: 1; /* Above header/footer and overlays */
        box-shadow: 0 0 20px rgba(0,0,0,0.5);
        transform: translate3d(0, 0, 0);
    }

    /* Push header, chat content, and input to the right by drawer width without resizing */
    .chat-header,
    main#chat-container,
    .chat-input-container{
        transform: translate3d(0,0,0);
        transition: transform var(--sidebar-transition-duration) var(--sidebar-transition-ease);
        will-change: transform;
    }
    .chat-input-container{
        left: 12px;
        right: 12px;
        width: auto;
        --composer-shift: 0px;
        transform: translateX(0);
        padding: 16px 14px calc(18px + env(safe-area-inset-bottom, 0px));
        border-radius: 20px 20px 14px 14px;
    }
    body.sidebar-open .chat-header,
    body.sidebar-open main#chat-container,
    body.sidebar-open .chat-input-container{
        transform: none;
    }

}


/* Drawer header (New Chat button) */
.conversation-drawer .drawer-header{
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.conversation-drawer .new-chat-btn{
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    border-radius: 9999px;
    padding: 10px 12px;
    font-size: 0.9rem;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: all var(--duration-normal) var(--ease-out);
}

.conversation-drawer .new-chat-btn:hover{
    color: var(--primary-color);
}

/* Drawer brand (logo) - only visible on mobile */
.conversation-drawer .drawer-brand {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Logo to the left */
}
.conversation-drawer .drawer-brand-logo {
    height: 38px;
    width: auto;
    opacity: .9;
    margin-right: 10px; /* Optional: add spacing to the right of logo */
}
@media (max-width: 1023px){
  .conversation-drawer .drawer-brand{ display: flex; }
}

/* Chat list inside drawer */
.conversation-drawer .chat-history-list{
    flex: 1;
    overflow-y: auto;
    margin-top: 6px;
    padding: 4px;
}
.conversation-drawer .chat-history-item{
    padding: 10px 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color var(--duration-normal) var(--ease-out),
                color var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
    color: var(--text-color);
    background: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}
.conversation-drawer .chat-history-item:hover{
    background: var(--card-bg);
}
.conversation-drawer .chat-history-item.active{
    background: var(--card-bg-dark);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}
.conversation-drawer .chat-history-item-content{
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.conversation-drawer .chat-history-title{
    font-size: var(--font-size-sm);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.conversation-drawer .chat-list-item-actions{
    display: flex;
    align-items: center;
    position: relative;
    margin-left: 6px;
}

@media (min-width: 1024px){
  .conversation-drawer .chat-list-item-actions{
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--duration-fast) var(--ease-out);
  }
  .conversation-drawer .chat-history-item:hover .chat-list-item-actions,
  .conversation-drawer .chat-history-item:focus-within .chat-list-item-actions,
  .conversation-drawer .chat-history-item.active .chat-list-item-actions{
      opacity: 1;
      pointer-events: auto;
  }
}

/* User profile card at bottom */
.conversation-drawer .user-profile-card{
    margin-top: 12px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    cursor: pointer;
}

/* Avatar and meta in user-profile-card */
.conversation-drawer .user-profile-card .user-avatar{ width: 25px; height: 25px; border-radius: 50%; object-fit: cover; }
.conversation-drawer .user-profile-card .user-meta{ display:flex; flex-direction:column; }
.conversation-drawer .user-profile-card .user-name{ font-size: var(--font-size-xs); }
.conversation-drawer .user-profile-card .user-email{ font-size: var(--font-size-xs); opacity: 0.7; }
.conversation-drawer .user-profile-card .user-actions{ margin-left:auto; display:flex; align-items:center; gap:6px; }
.conversation-drawer .user-profile-card .theme-toggle-icon-btn{
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 10px;
    padding: 6px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
}

.conversation-drawer .user-profile-card .theme-toggle-icon-btn:hover{
    color: var(--text-primary);
    background: var(--glass-bg-strong);
    box-shadow: var(--shadow-md);
}

/* Dropdown menu inside user-profile-card */
.conversation-drawer .user-profile-card .user-profile-menu{
    position: absolute;
    right: 0;
    bottom: 44px;
    width: 200px;
    background: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    overflow: hidden; z-index: 100002;
}
.conversation-drawer .user-profile-card .user-profile-menu .menu-item{
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    text-decoration: none;
    color: inherit;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}
.conversation-drawer .user-profile-card .user-profile-menu .menu-item:hover{
    background: var(--glass-bg-strong);
    color: var(--primary-color);
}
.conversation-drawer .user-profile-card .user-profile-menu .menu-item.danger{ color: #fda4af; }
.conversation-drawer .user-profile-card .user-profile-menu .separator{ height:1px; background: var(--glass-border); }


    /* Only the conversations list scrolls */
    #mobile-conversations-list{
        flex:1;
        overflow-y:auto;
        overflow-x:hidden;
        min-height:0;
    }

    /* Footer user menu at bottom of left tab */
    .user-menu-footer{
        flex-shrink:0;
        margin-top:10px;
    }
    
    .mobile-section-header{
    margin-bottom:15px}
    
    .mobile-menu-item,.mobile-section-header{
    align-items:center;
    display:flex;
    justify-content:space-between}
    
    .mobile-menu-item{
    border-bottom:.5px solid var(--border-color);
    padding:10px 5px}
    
    .mobile-conversations-list{
    margin-bottom:20px}
    
    .mobile-empty-state{
    color:var(--text-muted);
    padding:20px 0;
    text-align:center}
    
    .header-logo{
    font-family:Azonix;
    font-size:1.3rem;
    margin-top:3px}

    .header-logo-img{
    height:50px;
    width:auto;
    background: transparent;
    }

    
.chat-input-container{
    --composer-shift: 0px;
    bottom: 26px;
    left:50%;
    padding:clamp(12px, 3vw, 18px) clamp(12px, 4vw, 24px) 0;
    position:fixed;
    transform:translateX(calc(-50% + var(--composer-shift)));
    width:min(980px, calc(100% - 24px));
    z-index:1000;
    transition: transform var(--sidebar-transition-duration) var(--sidebar-transition-ease);
    will-change: transform;
}
    
    .input-container-wrapper{
    margin:0 auto;
    max-width:calc(var(--chat-container-width) - 20px);
    padding:0 15px;
    transition: max-width .25s ease;
}

@media (min-width: 1024px){
  body.sidebar-open .input-container-wrapper{
    max-width: min(720px, calc(100vw - var(--sidebar-width) - 64px));
  }
}
    
/* Drag-and-drop hover state */
.chat-input-wrapper.drag-over{
    border-color: rgba(129,140,248,0.45);
    box-shadow: 0 0 0 1px rgba(129,140,248,0.35) inset, 0 18px 45px -30px rgba(99,102,241,0.5);
}

.composer-top-row{
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    gap:14px;
    align-items:flex-start;
}

@media (max-width: 840px){
    .composer-top-row{
        grid-template-columns:1fr;
        gap:10px;
    }
}

@media (max-width: 640px){
    .chat-input-wrapper {
        gap: var(--space-1);
        padding: var(--space-1);
    }

    .chat-input{
        line-height: 1.4;
    }

    .input-action-btn-circle,
    .input-action-btn-circle-send,
    .input-action-btn-circle-text{
        width: 36px;
        height: 36px;
    }
}

.input-actions-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
}

/* Advanced Input System with Professional Glass Morphism */

/* Enhanced input action buttons with micro-interactions */
.input-action-btn-circle,
.input-action-btn-circle-send,
.input-action-btn-circle-text {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-bounce);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    flex-shrink: 0;
}

.input-action-btn-circle.is-disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.input-action-btn-circle.is-disabled:hover {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    box-shadow: none;
    color: var(--text-secondary);
    transform: none;
}

/* Advanced button glow effect */
.input-action-btn-circle::before,
.input-action-btn-circle-send::before,
.input-action-btn-circle-text::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    z-index: -1;
}

.input-action-btn-circle {
    width: 35px;
    height: 35px;
}

.input-action-btn-circle-send {
    width: 35px;
    height: 35px;
    /* background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); */
    color: var(--text-inverse);
    border: 1px solid var(--primary-color);
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.2);
}

.input-action-btn-circle-text {
    padding: var(--space-2) var(--space-4);
    border-radius: 20px;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    min-width: 80px;
}

/* Enhanced hover states with choreographed animations */
.input-action-btn-circle:hover {
    background: var(--glass-accent);
}


.input-action-btn-circle-send:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: scale(1.05);
    box-shadow: var(--shadow-lg), 0 0 22px rgba(99, 102, 241, 0.3);
}

.input-action-btn-circle-text:hover {
    background: var(--glass-bg-strong);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--shadow-lg), 0 0 16px rgba(99,102,241,0.25);
}

/* Active states with spring physics */
.input-action-btn-circle:active,
.input-action-btn-circle-send:active,
.input-action-btn-circle-text:active {
    transform: scale(0.95);
    transition: transform var(--duration-fast) var(--ease-in);
    background: var(--glass-bg-strong);
}

/* Professional Chat Input with Advanced Glass Morphism */
.chat-input{
    color: var(--text-primary);
    flex: 1 1 auto;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    max-height: 200px;
    /* height: auto; */
    outline: none;
    /* overflow-y: auto; */
    resize: none;
    background-color: transparent;
    border: none;
    margin: 0;
    font-family: inherit;
    transition: all var(--duration-normal) var(--ease-out);
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
    /* vertical-align: bottom; */
    width: 100%;
    -webkit-tap-highlight-color: transparent;

    display: flex;
    align-items: center; /* Vertically centers the textarea */
}

.chat-input:empty::before {
  content: attr(placeholder); /* Gets text from the placeholder attribute */
  color: #999; /* Style the placeholder text */
  pointer-events: none; /* Allows clicks to focus the div */
}



/* Enhanced focus state to prevent any flashing outlines */
.chat-input:focus,
.chat-input:focus-visible,
.chat-input:focus-within {
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
    /* Using !important to override browser defaults */
}


.chat-input::-webkit-scrollbar {
    width: 6px;
}

.chat-input::-webkit-scrollbar-track {
    background: transparent;
}

.chat-input::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
    transition: background var(--duration-normal) var(--ease-out);
}

.chat-input::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.chat-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
    transition: all var(--duration-normal) var(--ease-out);
}

.chat-input:focus::placeholder {
    opacity: 0.4;
    transform: translateY(-2px);
}

/* Advanced Input Wrapper with Multi-layered Glass Effect */
.chat-input-wrapper {
    align-items: center;
    display: flex;
    width: 100%;
    gap: var(--space-1);
    padding: var(--space-1);
    border-radius: 35px;
    position: relative;
    isolation: isolate;
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.13);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow);
    z-index: 1;
}


.chat-input-wrapper:focus-within {
    border-color: var(--primary-color);
}


/* Professional Input Group with Orchestrated Animations */
.composer-inline-tools{
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
    justify-content:flex-end;
}

.composer-chip{
    align-items:center;
    background: rgba(148,163,184,0.1);
    border: 1px solid rgba(148,163,184,0.15);
    border-radius:999px;
    color:var(--text-muted);
    cursor:pointer;
    display:inline-flex;
    gap:6px;
    padding:6px 12px;
    font-size:0.8rem;
    transition: all .2s ease;
}

.composer-chip i{ font-size:0.85rem; }

.composer-chip:hover{
    background: rgba(148,163,184,0.2);
    color:var(--primary-color);
    border-color: rgba(129,140,248,0.35);
}

.composer-bottom-row{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
}

.composer-meta{
    display:flex;
    align-items:center;
    gap:10px;
    min-height:32px;
}

.token-counter{
    font-variant-numeric: tabular-nums;
    font-size:0.8rem;
    padding:4px 10px;
    border-radius:999px;
    background: rgba(148,163,184,0.12);
    color:var(--text-muted);
}

.composer-hint{
    font-size:0.75rem;
    color:rgba(148,163,184,0.6);
}

.composer-controls{
    display:flex;
    align-items:center;
    gap:10px;
}

.composer-circle-btn{
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    display:flex;
    border-radius:50%;
    border:1px solid rgba(148,163,184,0.25);
    color:var(--text-muted);
    background: rgba(15,23,42,0.2);
    transition: all .2s ease;
}

.composer-circle-btn:hover{
    border-color: rgba(129,140,248,0.4);
    color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(129,140,248,0.08);
}

.composer-circle-btn svg{
    width:20px;
    height:20px;
}


/* Base button foundation */
.btn, button {
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border: none;
    border-radius: 12px;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    will-change: transform, box-shadow;
}

/* Advanced Glass Morphism Button Base */
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    z-index: -1;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    pointer-events: none;
    z-index: -1;
}

.btn:hover::after {
    opacity: 0.35;
}

/* Button States with Advanced Animations */
.btn:disabled, button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    pointer-events: none;
}

.btn:hover, button:hover {
    transform: translateY(-1px);
}

.btn:active, button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-fast) var(--ease-in);
}

/* Enhanced Button Variants with Glass Morphism */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--glass-border);
}

.btn-primary::before {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.7), rgba(79, 70, 229, 0.5));
    opacity: 1;
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(79, 70, 229, 0.75));
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
    background: var(--glass-bg-strong);
    border-color: rgba(148, 163, 184, 0.28);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    backdrop-filter: none;
}

.btn-ghost::before {
    opacity: 0;
}

.btn-ghost:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--glass-border);
    backdrop-filter: var(--glass-blur);
}

.btn-ghost:hover::before {
    opacity: 1;
}

/* Advanced Icon Buttons with Enhanced Micro-interactions */
.btn-icon {
    width: 35px;
    height: 35px;
    padding: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-icon:hover {
    color: var(--text-primary);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* Button Size Variants */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    border-radius: 8px;
    height: 32px;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
    border-radius: 16px;
    height: 52px;
}

/* Status Button Variants with Enhanced Colors */
.btn-success {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: var(--text-inverse);
    border: 1px solid var(--color-success-border);
}

.btn-success:hover {
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.9), rgba(4, 120, 87, 0.75));
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-dark));
    color: var(--text-inverse);
    border: 1px solid var(--color-warning-border);
}

.btn-warning:hover {
    box-shadow: var(--shadow-lg);
}

.btn-error {
    background: linear-gradient(135deg, var(--color-error), var(--color-error-dark));
    color: var(--text-inverse);
    border: 1px solid var(--color-error-border);
}

.btn-error:hover {
    box-shadow: var(--shadow-lg);
}

/* Loading state for buttons */
.btn-loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-loading::before {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(255,255,255,0.22), rgba(255,255,255,0), rgba(255,255,255,0.22));
    opacity: 0.4;
    animation: shimmer 2.2s linear infinite;
    z-index: 2;
}

.compose-send-btn{
    position:relative;
    width:50px;
    height:50px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background: linear-gradient(135deg, rgba(99,102,241,0.95), rgba(129,140,248,0.95));
    color:#fff;
    cursor:pointer;
    transition: transform var(--duration-normal) var(--ease-bounce), box-shadow var(--duration-normal) var(--ease-out), background var(--duration-normal) var(--ease-out);
    border: none;
}

.compose-send-btn .send-icon{
    position:relative;
    z-index:2;
    font-size:1.1rem;
}

.compose-send-btn .progress-indicator{
    position:absolute;
    inset:-2px;
    border-radius:inherit;
    border:2px solid rgba(255,255,255,0.32);
    opacity:0.6;
    transition: all .25s ease;
}

.compose-send-btn:hover{
    transform: translateY(-1px);
    box-shadow: 0 14px 25px -20px rgba(129,140,248,0.95);
}

.compose-send-btn:active{
    transform: translateY(0);
}

.compose-send-btn.disabled,
.compose-send-btn:disabled{
    pointer-events:none;
    opacity:0.45 !important;
    box-shadow:none;
    background: linear-gradient(135deg, rgba(99,102,241,0.4), rgba(129,140,248,0.35));
}

.compose-send-btn.generating,
.compose-send-btn.btn-danger{
    background: linear-gradient(135deg, rgba(244,63,94,0.94), rgba(248,113,113,0.9));
}

.compose-send-btn.generating .progress-indicator{
    inset:-4px;
    border:none;
    opacity:1;
    background: linear-gradient(135deg, rgba(248,113,113,0.15), rgba(248,113,113,0.5));
    box-shadow: 0 0 24px rgba(248,113,113,0.35);
    animation: composer-ring-pulse 1.3s ease-in-out infinite;
    will-change: transform, opacity;
}

@keyframes composer-ring-pulse{
    0%, 100% {
        opacity: 0.45;
        transform: scale(1);
        box-shadow: 0 0 18px rgba(248,113,113,0.25);
    }
    50% {
        opacity: 0.85;
        transform: scale(1.05);
        box-shadow: 0 0 28px rgba(248,113,113,0.45);
    }
}

.compose-send-btn.generating .send-icon i{
    transform: scale(0.9);
    animation: composer-icon-breathe 1.4s ease-in-out infinite;
}

.compose-send-btn .send-icon i{
    transition: transform .2s ease;
}

@keyframes composer-icon-breathe {
    0%, 100% { transform: scale(0.9); }
    50% { transform: scale(0.96); }
}

.composer-inline-tools .composer-chip:focus-visible,
.composer-circle-btn:focus-visible,
.compose-send-btn:focus-visible{
    outline:2px solid rgba(129,140,248,0.65);
    outline-offset:2px;
}
    .call-btn{
    background-color:transparent;
    border:none;
    color:var(--primary-color);
    cursor:pointer;
    height:36px;
    justify-content:center;
    padding:0;
    transition:background-color var(--transition-speed);
    width:36px}
    
    .call-btn:hover{
    color:var(--primary-dark)}
    
    .call-btn.active{
    background-color:var(--primary-color);
    border-radius:50%;
    color:#fff}
    
    .call-btn.active:hover{
    background-color:var(--primary-dark)}
    
    .chat-disclaimer{
    color:var(--text-muted);
    font-size:.75rem;
    margin-top:8px;
    text-align:center}
    
#chat-container, main#chat-container{
    background-color:var(--card-bg);
    margin:0 auto;
    max-width:100%; /* Set to full width to align scrollbar with screen edge */
    position: fixed;
    top: 0; /* Start from the top of the viewport */
    /* bottom: calc(80px + env(safe-area-inset-bottom, 0px)); account for bottom safe area */
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0;
    transform: translate3d(0,0,0);
    transition: transform var(--sidebar-transition-duration) var(--sidebar-transition-ease),
                width var(--sidebar-transition-duration) var(--sidebar-transition-ease);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: hidden;
    min-height: 0;
}

#conversation-container{    
    margin-bottom:0;
    flex: 1 1 auto;
    height: 100%;
    overflow-y: auto;
    padding: calc(var(--chat-header-height) + var(--space-6)) 0 calc(var(--chat-composer-height) + var(--space-4));
    position: relative;
    scroll-behavior: smooth;
    width: 100%;
    scrollbar-width: none;
    touch-action: pan-y;
    overscroll-behavior: contain;
    box-sizing: border-box;
    display:flex;
    flex-direction:column;
    gap: var(--space-3);
    scroll-padding-bottom: calc(var(--chat-composer-height) + var(--space-4));
    min-height: 0;
}


.messages-wrapper{
    margin:0 auto;
    max-width:var(--chat-container-width);
    width:100%;
    padding:0 10px;
    transition: max-width .25s ease;
    display:flex;
    flex:1 1 auto;
    min-height:0;
    box-sizing:border-box;
}

/* When sidebar is open on desktop, narrow the chat column for a modern look */
@media (min-width: 1024px){
  body.sidebar-open .messages-wrapper{
      max-width: min(var(--chat-container-width), calc(100vw - var(--sidebar-width) - 64px));
  }
}

.chat-header{
    justify-content:space-between;
    left:0;
    padding:14px 20px;
    position:fixed;
    right:0;
    top:0;
    z-index:1000;
}
    
    .chat-action-btn,.chat-header{
    align-items:center;
    display:flex}
    
    .chat-action-btn{
    background-color:var(--hover-bg);
    border:none;
    border-radius:50%;
    color:var(--text-muted);
    height:35px;
    justify-content:center;
    transition:background-color var(--transition-speed),color var(--transition-speed);
    width:35px}
    
    .chat-action-btn:hover{
    background-color:var(--primary-light);
    color:var(--primary-color)}
    
    .chat-send-btn{
    align-items:center;
    background-color:var(--primary-color);
    border:none;
    border-radius:50%;
    color:#fff;
    display:flex;
    height:50px;
    justify-content:center;
    transition:background-color var(--transition-speed);
    width:50px}
    
    .chat-send-btn:hover{
    background-color:var(--primary-dark)}

    .chat-action-btn i,.chat-send-btn i{
    font-size:1.2rem}

    .chat-action-btn span{
    font-size:.9rem;
    margin-left:5px}
    
    .dark-theme{
    background-color:var(--card-bg);
    color:var(--text-muted)}
    
    .mobile-conversation-title{
    font-size:.7rem}

    .mobile-conversation-preview{
    font-size:.6rem}

    .chat-list-item{
    align-items:center;
    border-radius:10px;
    color:var(--text-color);
    cursor:pointer;
    display:flex;
    padding:5px;
    transition:background-color .2s ease,color .2s ease}
    
    .chat-list-item:hover{
    background-color:var(--hover-bg);
    color:var(--primary-color)}
    
    .chat-list-item.selected{
    background-color:var(--card-bg-dark);
    color:var(--primary-color);
    font-weight:500}
    
    .chat-list-item-icon{
    align-items:center;
    background-color:var(--primary-light);
    border-radius:50%;
    color:var(--card-bg);
    display:flex;
    flex-shrink:0;
    height:25px;
    justify-content:center;
    margin-right:12px;
    width:25px}
    
    .chat-list-item-content{
    flex-grow:1;
    overflow:hidden}
    
    .chat-list-item-title{
    font-size:.9rem;
    font-weight:500;
    margin-bottom:-5px}
    
    .chat-list-item-preview,.chat-list-item-title{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap}
    
    .chat-list-item-preview{
    color:var(--text-muted);
    font-size:.8rem}
    
    .under-message{
    align-items:center;
    display:flex;
    justify-content:space-between}
    
/* Enhanced message system */
.message-group {
    animation: slideInMessage var(--duration-slow) var(--ease-out) forwards;
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-6);
    max-width: 99%;
    opacity: 0;
    position: relative;
    transform: translateY(20px);
    transition: all var(--duration-normal) var(--ease-out);
}

.message-group:hover {
    transform: translateY(18px) scale(1.002);
}

.message-group:has(.avatar-header-left) {
    align-items: start;
    align-self: flex-start;
    display: flex;
    margin-right: auto;
}

.message-group:has(.avatar-header-right) {
    align-items: end;
    align-self: flex-end;
    display: flex;
    margin-left: auto;
}

/* Enhanced message animations */
@keyframes slideInMessage {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Avatar enhancements */
.avatar-header-left,
.avatar-header-right {
    margin-bottom: var(--space-1);
}

.avatar-header-left {
    justify-content: flex-start;
}

.avatar-header-right {
    justify-content: flex-end;
}

.avatar-icon {
    align-items: center;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    height: 28px;
    justify-content: center;
    transition: all var(--duration-normal) var(--ease-bounce);
    width: 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-inverse);
    font-weight: var(--font-weight-semibold);
}

.avatar-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Enhanced message bubbles */
.message {
    word-wrap: break-word;
    border-radius: 18px;
    padding: 0;
    position: relative;
}


.message.assistant-message {
    align-self: flex-start;
    color: var(--text-color);
    max-width: 100%;
}
/* Enhanced agent message styles */
.message.system-message {
    border-radius: 12px;
    font-size: var(--font-size-sm);
    padding: var(--space-4);
    border-left-width: 4px;
    border-left-style: solid;
    position: relative;
    overflow: hidden;
}

.message.system-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: inherit;
    opacity: 0.3;
}

.message.system-message {
    background: var(--system-bg-dark, var(--card-bg-dark));
    border-left-color: var(--system-accent, var(--text-secondary));
    color: var(--text-secondary);
}
    
    .message.user-message{
    align-self:flex-end;
    border-top-right-radius:4px;
    color: var(--user-bubble-text)}
            
    .user-avatar{
    background:linear-gradient(135deg,var(--primary-dark),#3730a3);
    color:#fff}
    
    .avatar-header-left,.avatar-header-right{
    align-items:center;
    display:flex;
    margin-bottom:6px;
    padding:0 4px}
    
    .message-header{
    color:var(--text-muted);
    font-size:.85rem;
    font-weight:600;
    letter-spacing:.02em;
    margin:0 8px}
    
    .message-content{
    word-wrap:break-word;
    line-height:1.5;
    overflow-wrap:break-word}
    
    .toggle-message-btn{
    align-items:center;
    background:transparent;
    border:none;
    border-radius:50%;
    color:var(--text-muted);
    cursor:pointer;
    display:flex;
    height:24px;
    justify-content:center;
    margin-left:8px;
    padding:0;
    width:24px}
    
    .toggle-message-btn:hover{
    background-color:var(--hover-bg)}
    
    .collapsible-content{
    overflow:hidden;
    transition:max-height .3s ease}
    
    .collapsible-content.collapsed{
        max-height:0;
        overflow:hidden;
    }
        
    .message-group-edit-button{
    align-items:center;
    background-color:var(--card-bg-dark);
    border:1px solid var(--border-color);
    border-radius:50%;
    color:var(--text-muted);
    cursor:pointer;
    display:inline-flex;
    height:24px;
    justify-content:center;
    opacity:0;
    transition:opacity .2s ease,background-color .2s ease;
    vertical-align:middle;
    background-color:var(--system-bg-dark,#1a1a1a)}
    
    .side-tab{
    background-color:var(--card-bg-dark-extra);
    color:var(--text-muted);
    height:100dvh;
    overflow:auto;
    padding:20px;
    position:fixed;
    right:-35%;
    top:0;
    transition:left .3s ease;
    width:35%;
    z-index:1000}
    
    .side-tab.active{
    right:0}
    
    .side-tab .close-btn{
    background:none;
    border:none;
    color:var(--text-color);
    cursor:pointer;
    font-size:1.5rem}
    
    .side-tab-header{
    align-items:center;
    border-bottom:1px solid var(--border-color);
    display:flex;
    margin-bottom:15px;
    padding-bottom:10px}
    
    .navbar{
    background-color:var(--navbar-bg);
    box-shadow:0 2px 15px rgba(0,0,0,.1);
    padding:15px 0}
    
    .navbar-brand{
    color:var(--navbar-text);
    font-size:1.5rem;
    font-weight:700}
    
    .card{
    background-color:var(--card-bg);
    border:none;
    border-radius:16px;
    box-shadow:var(--card-shadow);
    margin-bottom:20px;
    overflow:hidden;
    transition:all var(--transition-speed) ease}
    
    .card:hover{
    transform:translateY(-5px)}
    
    .card-header{
    border-bottom:1px solid var(--border-color);
    font-weight:600;
    padding:18px 24px}
    
    .card-body,.card-header{
    background-color:var(--card-bg)}
    
    .card-body{
    max-height:600px;
    overflow-y:auto;
    padding:24px}
    
    .features-header,.main-tabs-header{
    background-color:var(--navbar-bg);
    border-bottom:none;
    padding:0}
    
    .nav-tabs{
    border-bottom:none}
    
    .nav-tabs .nav-link{
    border:none;
    border-radius:0;
    color:var(--navbar-text);
    font-size: var(--text-menu-font-size);
    font-weight:500;
    padding:15px 20px;
    transition:all .2s ease}
    
    .nav-tabs .nav-link:hover{
    background-color:var(--tab-hover-bg)}
    
    .nav-tabs .nav-link.active{
    background-color:var(--tab-active-bg);
    border:none;
    border-top-left-radius:8px;
    border-top-right-radius:8px;
    color:var(--tab-active-text)}
    
    .nav-tabs .nav-link.active:after{
    background:linear-gradient(90deg,#3498db,#9b59b6);
    bottom:0;
    content:"";
    display:block;
    height:3px;
    left:0;
    position:absolute;
    width:100%}
    
    .tab-content{
    padding-top:10px}
    
    .user-card{
    background-color:var(--card-bg);
    border:1px solid var(--border-color);
    border-radius:16px;
    box-shadow:0 4px 20px rgba(0,0,0,.05);
    height:auto;
    margin-bottom:15px;
    max-height:none;
    overflow:visible;
    padding:24px;
    position:relative;
    transition:all var(--transition-speed) cubic-bezier(.165,.84,.44,1)}
    
    .user-card:before{
    background:linear-gradient(180deg,var(--primary-color),var(--primary-light));
    content:"";
    height:100%;
    left:0;
    position:absolute;
    top:0;
    width:4px}
    
    .user-card:hover{
    box-shadow:0 15px 30px rgba(0,0,0,.1);
    transform:translateY(-5px)}
    
    .users-grid{
    display:grid;
    gap:15px;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    height:auto;
    overflow:visible;
    width:100%}
    
    .user-name{
    align-items:center;
    color:var(--text-color);
    display:flex;
    font-size:.9rem;
    font-weight:600;
    gap:5px}
    
    .user-name i{
    color:var(--primary-color)}
    
    .user-info{
    color:var(--text-muted);
    font-size:.9rem;
    margin-bottom:10px}
    
    .reminders-list{
    height:auto;
    margin-top:10px;
    overflow:visible}
    
    .reminder-item{
    background-color:var(--hover-bg);
    border-left:3px solid #e67e22;
    border-radius:6px;
    margin:6px 0;
    padding:8px 12px;
    transition:transform .2s ease;
    font-size: var(--text-small-size);}
    
    .reminder-item:hover{
    transform:translateX(3px)}
    
    .reminder-badge{
    background:linear-gradient(45deg,#e67e22,#f39c12);
    border-radius:12px;
    color:#fff;
    display:inline-block;
    font-size:var(--text-small-size);
    margin-right:8px;
    padding:3px 8px}
    
    .reminder-time{
    color:var(--text-muted-2);
    font-size:var(--text-small-size)}
    
    .agents-grid{
    display:grid;
    gap:15px;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    height:auto;
    overflow:visible;
    width:100%;
    font-size: var(--text-small-size);}
    
    .agent-header{
    align-items:flex-start;
    display:flex;
    font-size:.9rem;
    margin-top:10px}
    
    .expressions-grid{
        font-size: var(--text-small-size);
    }

.call-modal-content{
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: 35px;
    isolation: isolate;
    border: 1px solid var(--glass-border);
    background: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:16px;
    animation: modalPop .25s ease; 
}

.call-debug-panel{
    background-color:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:12px;
    font-size:.75rem;
    padding:12px;
}

.call-debug-details{
    position:relative;
}

.call-debug-summary{
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:.8rem;
    font-weight:600;
    color:var(--text-color);
    list-style:none;
}

.call-debug-summary::-webkit-details-marker{
    display:none;
}

.call-debug-summary::after{
    content:'▾';
    font-size:.9em;
    opacity:.7;
    transition:transform .2s ease;
}

.call-debug-details[open] > .call-debug-summary::after{
    transform:rotate(-180deg);
}

.call-debug-body{
    margin-top:12px;
}

.call-debug-grid{
    display:grid;
    gap:8px 16px;
    grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
}

.call-debug-label{
    color:var(--text-color-secondary);
    font-size:.68rem;
    letter-spacing:.04em;
    text-transform:uppercase;
}

.call-debug-value{
    color:var(--text-color);
    font-family:monospace;
    font-size:.85rem;
}

.call-debug-foot{
    display:flex;
    gap:8px;
    margin-top:10px;
}

.call-debug-badge{
    align-items:center;
    background:rgba(56,189,248,.12);
    border:1px solid rgba(56,189,248,.35);
    border-radius:9999px;
    color:#8bd3ff;
    display:inline-flex;
    font-size:.65rem;
    font-weight:600;
    letter-spacing:.04em;
    padding:4px 10px;
    text-transform:uppercase;
}
    
    .call-avatar{
    align-items:center;
    border-radius:50%;
    display:flex;
    height:120px;
    justify-content:center;
    margin:0 auto;
    position:relative;
    width:120px}
    
    .call-avatar-img{
    border-radius:50%;
    height:100px;
    object-fit:cover;
    width:100px;
    z-index:2}
    
    .call-pulsating-circle{
    border:3px solid var(--accent-color);
    border-radius:50%;
    height:100%;
    opacity:0;
    position:absolute;
    width:100%;
    z-index:1}
    
    .call-avatar.speaking .call-pulsating-circle{
    animation:pulsate 2s infinite}
    
    .call-name{
    color:var(--text-color);
    margin-bottom:5px}
    
    .call-status{
    color:var(--text-color-secondary);
    font-size:.9rem;
    margin-bottom:5px}
    
    .call-timer{
    color:var(--accent-color);
    font-family:monospace;
    font-size:1.2rem;
    font-weight:500}
    
.call-actions{
    gap:30px}
    
    .call-action-btn,.call-actions{
    display:flex;
    justify-content:center}
    
    .call-action-btn{
    align-items:center;
    border-radius:50%;
    height:50px;
    transition:all .2s ease;
    width:50px}
    
    
    .btn-mute.muted{background-color:var(--warning-color)}
    
    .btn-end-call{background-color:var(--danger-color)}    

    .btn-speaker.muted {background-color: var(--primary-dark)}


/* Call modal wave visuals */
.wave-card{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 10px 12px;
}
.wave-header{
  font-size: 12px;
  color: var(--text-color-secondary);
  margin-bottom: 4px;
}
.wave-canvas{
  width: 100%;
  height: 80px;
  display: block;
}

@media (max-width:640px){
  #callModal{
    align-items:flex-start;
    justify-content:center;
    padding:calc(env(safe-area-inset-top, 0px) + 24px) 16px calc(env(safe-area-inset-bottom, 0px) + 24px);
    overflow-y:auto;
  }

  .call-modal-content{
    max-width:420px;
    width:100%;
    padding:18px 16px;
    border-radius:20px;
    max-height:calc(100vh - 72px);
    max-height:calc(100dvh - (env(safe-area-inset-top, 0px) + env(safe-area-inset-bottom, 0px) + 64px));
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    gap:12px;
  }

  .call-avatar{
    width:90px;
    height:90px;
  }

  .call-avatar-img{
    width:78px;
    height:78px;
  }

  .call-name{
    font-size:1.05rem;
    margin-bottom:2px;
  }

  .call-status{
    font-size:.85rem;
  }

  .call-timer{
    font-size:1.05rem;
  }

  .call-actions{
    gap:16px;
    margin-top:12px;
  }

  .call-action-btn{
    width:48px;
    height:48px;
  }

  .call-debug-summary{
    font-size:.75rem;
  }

  .call-debug-body{
    margin-top:10px;
  }

  .call-debug-panel{
    margin-top:18px;
    max-height:170px;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }

  .call-debug-grid{
    gap:6px 12px;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

    
    
    
    @media (max-width:1150px){

        :root{
            --chat-header-height: 60px;
            --chat-composer-height: 176px;
        }
    
    .chat-input,
    .send-button,
    .btn-primary {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    .avatar-icon{
    font-size:.8rem;
    height:22px;
    width:22px}
    
    .header-logo{
    left:50%;
    position:absolute;
    top:50%;
    transform:translate(-50%,-50%);}

    .header-logo-img{
    left:50%;
    position:absolute;
    top:50%;
    transform:translate(-50%,-50%);
    height:50px;
    width:auto;
    background: transparent;
    }
        
    
    /* Keep desktop styling for input container on mobile for visual parity */    
    #chat-container, main#chat-container{
    height:auto;
    top: 0;
    bottom: 0;
    overflow:hidden;
    }
    
    .avatar-icon{
    font-size:.75rem;
    height:20px;
    width:20px}
    
    .mobile-menu{
    left:-250px;
    width:250px}
    
    .mobile-menu-sections{
    width:250px;
    padding:12px}
    
    .side-tab{
    right:-100%;
    width:100%}
        
    .messages-wrapper{
        padding:0 16px;
    }

    svg {
    width: 12px;
    height: 12px;
    }

    [data-tooltip]::after {
    display: none;
    }

    /* Clean mobile header: full-bleed width and simple logo layout */
    .chat-header{
        left: 0;
        right: 0;
        margin: 0;
        padding: 12px 12px;
    }
    .header-logo,
    .header-logo-img{
        position: static;
        left: auto; top: auto;
        transform: none;
    }
    .header-logo-img{
        height: 28px;
        width: auto;
    }
    /* Hide top header logo on mobile; it will appear inside the drawer */
    .header-logo{ display: none !important; }
}
    



.input-container-wrapper{
    margin:0 auto;
    max-width:calc(var(--chat-container-width));
    padding:0 0px}

/* Attachments bar above the input group */
.attachments-bar{
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    margin: 0 10px 6px 10px;
    overflow-x: auto;
}



    /* Position edit button next to message timestamp */
    .under-message {
        display: flex;
        align-items: center;
    }

    .under-message .message-group-edit-button {
        position: static;
        transform: none;
        margin-left: 4px;
        vertical-align: middle;
    }
    

    .streaming-cursor{
    animation:blink 1s step-end infinite;
    color:var(--primary-color);
    font-family:monospace;
    font-weight:700;
    margin-left:2px}@keyframes modern-fade-in{
    0%{
    filter:blur(2px);
    opacity:0;
    transform:translateY(2px)}to{
    filter:blur(0);
    opacity:1;
    transform:translateY(0)}}@keyframes char-fade-in{
    0%{
    opacity:0;
    transform:translateY(3px)}to{
    opacity:1;
    transform:translateY(0)}}
    
    .typing-char{
    animation:char-fade-in .2s ease-out forwards;
    display:inline-block}
    
    .modern-fade{
    animation:modern-fade-in .4s cubic-bezier(.215,.61,.355,1) forwards;
    will-change:opacity,transform,filter}
    
    .word-fade{
    animation:modern-fade-in .5s cubic-bezier(.19,1,.22,1) forwards;
    animation-delay:calc(var(--word-index)*.05s);
    display:inline-block;
    opacity:0}@keyframes blink{
    0%,49%{
    opacity:1}50%,89%{
    opacity:0}90%,to{
    opacity:1}}@keyframes slide-in{
    0%{
    opacity:0;
    transform:translateY(20px)}to{
    opacity:1;
    transform:translateY(0)}}
    
    .highlight-new-text{
    animation:highlight-fade 1.5s ease-out forwards;
    background-color:rgba(var(--primary-color-rgb),.05)}@keyframes highlight-fade{
    0%{
    background-color:rgba(var(--primary-color-rgb),.05)}to{
    background-color:transparent}}@keyframes code-appear{
    0%{
    background-color:rgba(var(--primary-color-rgb),.15);
    opacity:0;
    transform:translateY(5px)}to{
    background-color:var(--code-bg);
    opacity:1;
    transform:translateY(0)}}
    
    .streaming-content code,.streaming-content pre{
    animation:code-appear .6s cubic-bezier(.19,1,.22,1) forwards}
    
    .progressive-typing .message-content{
    overflow:hidden}
        
    .streaming-text-container{
    display:inline}
    
    .streaming-word{
    animation:simple-fade-in .3s ease-out forwards;
    opacity:0}
    
    .streaming-cursor{
    animation:cursor-blink 1s infinite;
    background-color:var(--primary-color);
    border-radius:1px;
    display:inline-block;
    height:15px;
    margin-left:1px;
    opacity:.7;
    vertical-align:middle;
    width:5px}@keyframes cursor-blink{
    0%,to{
    opacity:.7}50%{
    opacity:0}}
    
.streaming-content code,.streaming-content pre{
    border-radius:5px}
    
.message.assistant-message{
    position:relative}@keyframes fadeIn{
    0%{
    opacity:0}to{
    opacity:1}}
    
    .streaming-char{
    display:inline-block;
    opacity:0}
    .streaming-char.revealed{
    animation:fadeIn .3s ease forwards;
    opacity:1}

/* Group-level fade for typewriter segments */
.streaming-group{
  display: inline;
  opacity: 0;
  animation: group-fade .28s ease-out forwards;
}
@keyframes group-fade{
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* Inline timestamp + edit button container */
.message-meta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
/* Override original absolute edit button when inside .message-meta */
.message-meta .message-group-edit-button {
    position: static;
    top: auto;
    right: auto;
    transform: none;
    opacity: 1; /* make always visible */
    width: auto;
    height: auto;
    padding: 2px;
    font-size: 0.75rem;
}

/* Styles for the image upload menu */
.image-upload-menu {
    position: absolute;
    width: 200px;
    bottom: calc(100% + 8px); /* Just above the button with small gap */
    left: 100px; /* Adjust to align with the plus icon */
    transform: translateX(-50%);
    background-color: #333;
    border-radius: 15px;
    padding: 10px 0;
    box-shadow: 8px 12px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

/* Wrapper to position drawer relative to plus button */
.plus-button-wrapper {
    position: relative;
    display: inline-block;
}

/* Adjust image-upload-menu positioning and layout */
.image-upload-menu button {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 8px 8px;
    background-color: transparent;
    color: #fff;
}

.image-upload-menu button i {
    margin-right: 8px;
    min-width: 20px;
    text-align: center;
}

.image-upload-menu button span {
    font-size: var(--text-menu-font-size);
}

.image-upload-menu button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Image thumbnail sizing */
.image-preview .preview-thumbnail {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 8px;
}

/* Generic attachment preview container */
.image-preview{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 10px;
    background: transparent;
}

/* Skeleton box for image while uploading */
.image-preview .preview-thumbnail.skeleton{
    background: linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.18), rgba(255,255,255,0.08));
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* File chip styling */
.file-chip{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg-dark);
    color: var(--text-color);
    border-radius: 9999px;
    padding: 4px 10px;
    max-width: 220px;
}
.file-chip .file-ext{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 22px;
    padding: 0 6px;
    border-radius: 6px;
    background: var(--hover-bg);
    font-size: 11px;
    font-weight: 700;
}
.file-chip .file-name{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
}

/* Uploading status */
.upload-status{
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.upload-status.uploading .upload-text{ font-size: 12px; opacity: .8; }
.upload-status.uploaded::before{
    content: '';
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #22c55e;
}
.upload-spinner{
    position: relative;
    width: 14px;
    height: 14px;
}

.upload-spinner::before,
.upload-spinner::after{
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.upload-spinner::before{
    border: 2px solid rgba(255,255,255,0.3);
    opacity: 0.65;
    animation: upload-ripple 1.4s ease-in-out infinite;
}

.upload-spinner::after{
    background: radial-gradient(circle, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.1) 55%, rgba(255,255,255,0) 80%);
    transform: scale(0.55);
    opacity: 0.75;
    animation: upload-ripple-inner 1.4s ease-in-out infinite;
}

@keyframes upload-ripple {
    0%, 100% {
        transform: scale(0.85);
        opacity: 0.4;
    }
    50% {
        transform: scale(1);
        opacity: 0.9;
    }
}

@keyframes upload-ripple-inner {
    0%, 100% {
        transform: scale(0.55);
        opacity: 0.65;
    }
    50% {
        transform: scale(0.75);
        opacity: 1;
    }
}

/* Circular progress (conic gradient) */
.progress-circle{
    --p: 0%;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) var(--p), rgba(255,255,255,0.15) 0);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.progress-circle .progress-inner{
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--card-bg-dark);
    color: var(--text-muted);
    font-size: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Remove button in preview */
.image-preview .remove-preview{
    background: transparent;
    border: 0;
    color: var(--text-muted);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.user-image-grid {
        display: flex; /* Use flexbox for better alignment */
        flex-wrap: wrap; /* Allow images to wrap to the next line if needed */
        gap: 8px; /* Add spacing between images */
        margin-top: 8px; /* Add some spacing above the grid */
}

.message-image img {
    /* width: 100%; Ensure the image takes up the full width of its container */
    width: 128px; /* Adjusted width for better scaling */
    height: 128px; /* Adjusted height for better scaling */
    object-fit: cover; /* Ensures the image fits well */
    border-radius: 15px;
    margin-right: 4px; /* Reduced margin for better alignment */
    cursor: pointer;    
}

    /* Allow user messages with images to display full width */
.message.user-message {
    max-width: 100%;
}

/* Adjust user message layout */
.message.user-message {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    max-width: 75%; /* Keep bubble width constraint */
}

/* Ensure image is outside the bubble */
.message.user-message .user-image-grid {
    margin-bottom: 8px; /* Add spacing between image and bubble */
}


.message.user-message .message-content {
    background-color: var(--user-bubble-bg);
    word-wrap:break-word;
    border-radius:20px;
    font-size:1rem;
    line-height:1.5;
    margin:0px 0;
    /* max-width:75%; */
    /* overflow-wrap:break-word; */
    padding:12px 16px
}

/* Attachment chip: above user bubble */
.attachment-chip{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--user-bubble-bg);
    color: var(--user-bubble-text);
    border-radius: 14px;
    padding: 8px 12px;
    margin: 0 0 6px auto; /* align with user side */
    cursor: pointer;
    transition: background .2s ease, opacity .2s ease;
}
.attachment-chip:hover{ background: var(--hover-overlay); }
.attachment-chip .chip-name{
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Image card: inside user bubble area, above text */
.attachment-image-card{
    margin-bottom: 8px;
}
.attachment-image-card .message-image img{
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.attachment-image-card .attachment-name{
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* File modal basic styles */
.file-modal-card{
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    min-width: 260px;
    max-width: 80vw;
    text-align: center;
}
.file-modal-card i{ font-size: 32px; color: var(--text-muted); }
.file-modal-name{
    margin-top: 8px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-modal-actions{ margin-top: 12px; }

.image-popup-preview{
    border-radius: 20px;
}

/* Transparent background for image modal */
#imageModal .modal-content {
    background-color: transparent;
    border: none;
    box-shadow: none;
}


#imageModal .modal-body {
    padding: 0;
    background-color: transparent;
    width: 80%;
    height: 80%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.message-button {
    all: unset;
    background-color: transparent;
    padding: 4px; /* Reduced padding for smaller size */
    border-radius: 8px; /* Rounded corners */
}


svg {
    width: 16px;
    height: 16px;
}

svg:hover {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.message-button:hover {
    background-color: var(--hover-overlay);
    cursor: pointer;
    border-radius: 8px;
}



.under-message-buttons {
    color: var(--text-muted);
    display: flex;
    margin-right: 10px;
    margin-top: 4px;
    margin-bottom: 4px;
    opacity: 0; /* Initially hidden */
    transition: opacity 1s ease; /* Smooth transition */
    cursor: default;
    gap: 8px; /* Space between buttons */
}

.message-timestamp{
    color:var(--text-muted);
    font-size:.75rem;
    margin-top:9px;
    opacity: 0; /* Initially hidden */
    transition: opacity 1s ease; /* Smooth transition */}

.message:hover .under-message-buttons {
    opacity: 1; /* Show on hover */
}

.message:hover .message-timestamp {
    opacity: 1; /* Show on hover */
}

/* STT visualizer canvas styling */
#stt-visualizer {
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    /* border: 1px solid var(--border-color); */
    /* border-radius: 4px; */
    background-color: transparent;
}

/* Each streaming chunk is a paragraph, full-width and wraps nicely */
.streaming-chunk {
  margin: 0.5em 0;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* Fade-in base */
.fade-in {
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

/* Typing indicator bubble (three animated dots) */
.typing-bubble {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0; /* inherit spacing from message-content */
    background: transparent; /* use assistant bubble background */
    border: 0;
    border-radius: 0;
}
.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    opacity: 0.4;
    animation: typingDots 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: .15s; }
.typing-dot:nth-child(3) { animation-delay: .3s; }
@keyframes typingDots {
    0% { transform: translateY(0); opacity: .4; }
    50% { transform: translateY(-3px); opacity: 1; }
    100% { transform: translateY(0); opacity: .4; }
}

/* Visible state triggers the fade */
.fade-in.visible {
  opacity: 1;
}

/* Floating scroll-to-bottom button */
#scroll-to-bottom.scroll-to-bottom{
    position: fixed;
    bottom: 100px; /* 50px from the bottom */
    left: 50%; /* Center horizontally */
    transform: translateX(-50%); /* Adjust for centering */
    z-index: 100010; /* above headers/inputs/overlays */
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--glass-blur-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
    transition: transform .1s ease, opacity .2s ease, background .2s ease;
}
#scroll-to-bottom.scroll-to-bottom:hover { background: var(--hover-bg); }

/* Send button ripple + press */
#send-message-btn { position: relative; overflow: hidden; }
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple .6s linear;
  background: rgba(255,255,255,.35);
  pointer-events: none;
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

/* Ensure streaming word fade-in keyframes exist (earlier definition is inside a comment block) */
@keyframes simple-fade-in {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* Header call button pulse while assistant active */
.call-btn.assistant-active {
  position: relative;
}
.call-btn.assistant-active::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  animation: headerPulse 1.2s ease-out infinite;
}
@keyframes headerPulse {
  0% { transform: scale(0.9); opacity: .6; }
  70% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(1.15); opacity: 0; }
}

/* Skeleton shimmer for incoming assistant message */
.skeleton-lines { display: grid; gap: 8px; padding: 6px 0; }
.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  background-size: 200% 100%;
  animation: skeletonShimmer 1.2s ease-in-out infinite;
}
.skeleton-line.thin { height: 10px; width: 60%; }
.skeleton-line.wide { height: 12px; width: 90%; }
.skeleton-line.mid  { height: 12px; width: 75%; }
@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.status-connected {
    color: var(--success-color);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-connected::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
}

.status-disconnected {
    color: var(--danger-color);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-disconnected::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--danger-color);
    border-radius: 50%;
}

.chat-list-item-actions {
    position: relative;
    display: inline-block;
}

.options-button {
    all: unset;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    background-color: transparent;
    color: var(--text-muted);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.options-button:hover,
.options-button:focus-visible,
.options-button:active {
    color: var(--text-color);
}

.chat-options-modal,
.user-settings-modal,
.plan-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.chat-options-modal.active,
.user-settings-modal.active,
.plan-modal.active {
    display: flex;
}

.chat-options-modal.hidden,
.user-settings-modal.hidden,
.plan-modal.hidden {
    display: none !important;
}

.chat-options-overlay,
.user-settings-overlay,
.plan-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 11, 19, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 0;
}

.chat-options-card,
.user-settings-dialog,
.plan-dialog {
    position: relative;
    background: var(--glass-blur-strong);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.35);
    transition: transform var(--duration-fast) var(--ease-out),
                opacity var(--duration-fast) var(--ease-out);
    transform: translateY(16px);
    opacity: 0;
    z-index: 1;
}

.chat-options-card.enter,
.user-settings-dialog.enter,
.plan-dialog.enter {
    transform: translateY(0);
    opacity: 1;
}

.chat-options-card {
    min-width: 220px;
    max-width: min(280px, calc(100vw - 32px));
    padding: 14px 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-options-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.chat-options-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-options-close {
    all: unset;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 9999px;
    color: var(--text-muted);
    transition: background-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}

.chat-options-close:hover,
.chat-options-close:focus-visible {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--text-color);
}

.chat-options-item {
    all: unset;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 8px;
    border-radius: 10px;
    color: var(--text-color);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}

.chat-options-item:hover,
.chat-options-item:focus-visible {
    background: rgba(255, 255, 255, 0.08);
}

.chat-options-item img {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.chat-options-item.delete-chat {
    color: var(--danger-color);
}

.chat-options-item.share-chat {
    color: var(--primary-color);
}

.user-settings-dialog {
    width: min(720px, 96vw);
    max-height: 84vh;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.user-settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.user-settings-close {
    all: unset;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 9999px;
    color: var(--text-muted);
    transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.user-settings-close:hover,
.user-settings-close:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-color);
}

.user-settings-subtitle {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.user-settings-body {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    min-height: 0;
}

.user-settings-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-nav-item {
    all: unset;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.settings-nav-item:hover,
.settings-nav-item:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-color);
}

.settings-nav-item.active {
    background: rgba(125, 104, 255, 0.16);
    color: var(--primary-color);
}

.user-settings-content {
    overflow-y: auto;
    padding-right: 6px;
    max-height: 60vh;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-section {
    display: none;
    flex-direction: column;
    gap: 14px;
}

.settings-section.active {
    display: flex;
}

.settings-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 18px;
    background: rgba(12, 18, 32, 0.65);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-card.warning {
    border-color: rgba(248, 113, 113, 0.35);
    background: rgba(248, 113, 113, 0.08);
}

.settings-card h4 {
    font-size: 1rem;
    margin: 0;
}

.settings-meta {
    margin-top: 4px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.settings-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.settings-select,
.settings-input,
.settings-range input {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(8, 13, 24, 0.65);
    color: var(--text-color);
    padding: 10px 12px;
    font-size: 0.9rem;
}

.settings-range {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.settings-range label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.settings-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.settings-profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
}

.settings-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.ghost-btn {
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: var(--text-color);
    padding: 9px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.ghost-btn:hover,
.ghost-btn:focus-visible {
    background: rgba(255, 255, 255, 0.12);
}

.ghost-btn.danger {
    border-color: rgba(248, 113, 113, 0.45);
    color: #fda4af;
}

.ghost-btn.danger:hover,
.ghost-btn.danger:focus-visible {
    background: rgba(248, 113, 113, 0.15);
}

.toggle-control {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    cursor: pointer;
}

.toggle-control input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-track {
    position: relative;
    width: 42px;
    height: 22px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.2);
    transition: background-color var(--duration-fast) var(--ease-out);
}

.toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 9999px;
    background: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    transition: transform var(--duration-fast) var(--ease-out);
}

.toggle-control input:checked + .toggle-track {
    background: linear-gradient(135deg, #736dff, #a855f7);
}

.toggle-control input:checked + .toggle-track .toggle-thumb {
    transform: translateX(20px);
}

.plan-dialog {
    width: min(880px, 96vw);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.plan-close {
    all: unset;
    display: inline-flex;
    width: 36px;
    height: 36px;
    border-radius: 9999px;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.plan-close:hover,
.plan-close:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-color);
}

.plan-subtitle {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.plan-cards {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.plan-card {
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(12, 18, 32, 0.72);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.plan-card.featured {
    border-color: rgba(124, 77, 255, 0.8);
    background: linear-gradient(145deg, rgba(32, 24, 61, 0.85), rgba(19, 31, 66, 0.9));
}

.plan-card.current {
    border-style: dashed;
}

.plan-badge {
    align-self: flex-start;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.plan-badge.accent {
    background: rgba(124, 77, 255, 0.18);
    color: #c084fc;
}

.plan-price {
    font-size: 1.8rem;
    font-weight: 600;
}

.plan-price span {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 6px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.85rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.plan-features li i {
    color: #7c5cfe;
}

.plan-select {
    margin-top: auto;
    border-radius: 12px;
    border: none;
    padding: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, #7e69ff, #8b5cf6);
    color: white;
    transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.plan-select:hover,
.plan-select:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(124, 104, 255, 0.35);
}

.plan-select[disabled] {
    cursor: default;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    box-shadow: none;
}

@media (max-width: 960px) {
  .user-settings-body {
      grid-template-columns: 1fr;
  }

  .user-settings-nav {
      flex-direction: row;
      overflow-x: auto;
  }

  .user-settings-dialog {
      width: min(96vw, 640px);
      max-height: 88vh;
  }
}

@media (max-width: 640px) {
  .chat-options-card,
  .user-settings-dialog,
  .plan-dialog {
      border-radius: 16px;
      padding: 20px;
  }

  .user-settings-body {
      gap: 18px;
  }

  .plan-cards {
      grid-template-columns: 1fr;
  }
}

/* Send button states */
.btn.generating {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

.connection-status {
    font-size: 0.75rem;
    margin-left: 20px;
    opacity: 0.8;
    min-width: 60px;
}

.speed-text {
    font-size: 0.8em;
    margin-left: 5px;
    opacity: 0.8;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 5px;
}

.latency-text, .speed-text {
    white-space: nowrap;
}

.connection-status .latency-text {
    margin-left: 5px;
}

.status-connected {
    color: #28a745 !important;
}

.status-disconnected {
    color: #dc3545 !important;
}

/* Tooltip positioning: anchor under the element, not viewport */
[data-tooltip]{ position: relative; }
/* Tooltip text */
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    top: calc(100% + 8px); /* 8px gap below the element */
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
    z-index: 9999;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Show tooltip on hover */
[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Position tooltip dynamically with JavaScript */
/* JS positioning no longer needed; CSS handles relative placement */

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
}


/* Enhanced utility classes */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Margin utilities */
.me-1 { margin-right: var(--space-1); }
.me-2 { margin-right: var(--space-2); }
.me-3 { margin-right: var(--space-3); }
.me-4 { margin-right: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

/* Padding utilities */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }

.chat-actions {
    display: flex;
    gap: var(--space-2);
}

.footer-disclaimer {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: var(--space-1);
    text-align: center;
    background-color: var(--card-bg);
    width: 100vw;
    position: fixed;
    bottom: 0;
    z-index: 1;
}

/* Enhanced welcome screen */
.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all var(--duration-slow) var(--ease-out);
    min-height: 80vh;
    padding: var(--space-8);
    animation: welcomeFadeIn var(--duration-slow) var(--ease-out) forwards;
}

@keyframes welcomeFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.welcome-text {
    margin-bottom: var(--space-8);
}

.welcome-text h2 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-text p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: var(--line-height-relaxed);
}

.welcome-container.fade-out {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
    pointer-events: none;
}

/* Enhanced recommendation buttons */
.recommendation-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 480px;
    width: 100%;
}

.rec-btn {
    padding: var(--space-4) var(--space-6);
    border: 1px solid var(--border-color-dark);
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    border-radius: 16px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.rec-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    z-index: -1;
}

.rec-btn:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.rec-btn:hover::before {
    opacity: 0.1;
}

.rec-btn:active {
    transform: translateY(-1px) scale(1);
    transition: all var(--duration-fast) var(--ease-in);
}

/* Add subtle animation delay for staggered effect */
.rec-btn:nth-child(1) { animation-delay: 0.1s; }
.rec-btn:nth-child(2) { animation-delay: 0.2s; }
.rec-btn:nth-child(3) { animation-delay: 0.3s; }

/* -------------------------------------------------- */
/* Search Indicator & Gradient Shimmer                */
/* -------------------------------------------------- */
.search-indicator-group .searching-message {
    background: var(--assistant-bubble-bg);
    position: relative;
}

.searching-gradient-text {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: .5px;
    background: linear-gradient(90deg,#6b7280,#9ca3af,#f3f4f6,#9ca3af,#6b7280);
    background-size: 300% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: gradient-shine 2s linear infinite;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: 4px 2px;
}

@keyframes gradient-shine {
    0% { background-position: 100% 0%; }
    100% { background-position: -100% 0%; }
}

.search-indicator-group.fade-out, .search-indicator-group .searching-message.fade-out {
    opacity: 0;
    transition: opacity .5s var(--ease-out);
}

/* -------------------------------------------------- */
/* Citations                                          */
/* -------------------------------------------------- */
.citation-bubble {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    background: var(--card-bg-dark);;
    color: #fff;
    border-radius: 999px;
    padding: 0 6px;
    line-height: 1.1;
    font-size: 0.65rem;
    box-shadow: 0 2px 4px rgba(0,0,0,.25);
    cursor: pointer;
    position: relative;
    top: -2px;
    transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.citation-bubble:hover { transform: translateY(-2px); box-shadow: 0 4px 10px -2px rgba(0,0,0,.4); }
.citation-bubble sup { font-size: 0.65rem; line-height: 1; margin-right: 2px; }
.citation-bubble-name { max-width: 90px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.citations-inline-footer { margin-top: .75rem; }
.citations-summary { border-top: 1px solid var(--border-color-dark); padding-top: .5rem; display: flex; flex-direction: column; gap: .35rem; }
.citations-count { font-size: 0.65rem; text-transform: uppercase; letter-spacing: .8px; opacity: .7; }
.citations-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.citation-chip { --chip-bg: var(--card-bg-dark-extra, #1c1f23); position: relative; display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .55rem .3rem .45rem; font-size: .65rem; font-weight: 500; text-decoration: none; border: 1px solid var(--border-color-dark); background: var(--chip-bg); color: var(--text-color); border-radius: 10px; line-height: 1.1; transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out); }
.citation-chip.collapsed-hidden { display: none; }
[data-theme=dark] .citation-chip { background: #121826; }
.citation-chip .citation-index { width: 14px; height: 14px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg,var(--primary-color),var(--primary-dark)); color:#fff; border-radius: 50%; font-size: .55rem; font-weight: 600; }
.citation-chip-name { max-width: 120px; overflow:hidden; text-overflow: ellipsis; white-space: nowrap; }
.citation-chip.referenced { border-color: var(--primary-color); }
.citation-chip:hover { background: var(--hover-bg); transform: translateY(-2px); }
.citations-toggle { background: transparent; border: 1px solid var(--border-color-dark); color: var(--text-color); font-size: .6rem; padding: .32rem .6rem; border-radius: 12px; cursor: pointer; line-height: 1.1; font-weight: 500; transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out); }
.citations-toggle:hover { background: var(--hover-bg); border-color: var(--primary-color); }

@media (max-width: 640px) {
    .citations-chips { gap: .3rem; }
    .citation-chip { font-size: .6rem; }
}

/* Ordered list style inside assistant message when only citations are present */
.assistant-message .message-content ol { margin: .4rem 0 .6rem 1.15rem; padding: 0; }
.assistant-message .message-content ol li { margin: .25rem 0; font-size: 0.8rem; line-height: 1.25; }
.assistant-message .message-content ol li .citation-bubble { margin-left: .4rem; }

/* Citations Modal */
.citations-modal-overlay { position: fixed; inset:0; background: rgba(0,0,0,.5); display:flex; align-items:flex-start; justify-content:center; padding:4rem 1rem 2rem; z-index:1000; opacity:0; pointer-events:none; transition: opacity .15s ease; }
.citations-modal-overlay.visible { opacity:1; pointer-events:auto; }
.citations-modal-overlay.hidden { display:flex; }
.citations-modal { background: var(--glass-blur); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border:1px solid var(--glass-border); border-radius:14px; width:min(720px,100%); max-height:calc(100vh - 6rem); display:flex; flex-direction:column; box-shadow: var(--glass-shadow); animation: modalPop .25s ease; }
.citations-modal-header { display:flex; align-items:center; justify-content:space-between; padding:1rem 1.1rem; border-bottom:1px solid var(--glass-border); }
.citations-modal-header h2 { font-size:1rem; margin:0; letter-spacing:.5px; }
.citations-modal-close { background:transparent; border:0; font-size:1.4rem; line-height:1; cursor:pointer; color: var(--text-color,#d2d6dd); }
.citations-modal-close:hover { color: var(--primary-color,#3b82f6); }
.citations-modal-body { padding:.75rem 1rem 1.25rem; overflow:auto; }
.citations-modal-list { display:flex; flex-direction:column; gap:.75rem; }
.citation-row { display:grid; grid-template-columns:32px 1fr; gap:.75rem; padding:.55rem .65rem; transition: all var(--duration-normal) var(--ease-out); }
.citation-row:hover { border-color: var(--glass-accent);}
.citation-index-badge { width:28px; height:28px; border-radius:50%; color:#fff; display:flex; align-items:center; justify-content:center; font-size:.75rem; font-weight:600; }
.citation-index-badge.with-favicon {border:1px solid var(--glass-border); padding:0; }
.citation-index-badge.with-favicon .citation-favicon { width:100%; height:100%; object-fit:contain; border-radius:50%; display:block; }
.citation-meta { display:flex; flex-direction:column; gap:.25rem; min-width:0; }
.citation-domain { font-weight:600; font-size:.8rem; color: var(--text-color,#e2e6eb); }
.citation-title { font-size:.7rem; color: var(--text-muted,#94a0b4); line-height:1.15; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; line-clamp:2; -webkit-box-orient:vertical; }
.empty-citations { font-size:.75rem; opacity:.7; padding:.5rem .25rem; }
@keyframes modalPop { from { transform:translateY(10px) scale(.96); opacity:0; } to { transform:translateY(0) scale(1); opacity:1; } }
body.modal-open { overflow:hidden; }

/* Sources button favicon previews */
.show-sources-btn { display:inline-flex; align-items:center; gap:.35rem; }
.show-sources-btn .sources-btn-icon { display:inline-flex; }
.show-sources-btn .sources-favicons { display:inline-flex; align-items:center; gap:2px; }
.show-sources-btn .src-fav-wrap { width:14px; height:14px; border-radius:50%; overflow:hidden; background: var(--card-bg-dark-extra,#1c1f23); border:1px solid var(--border-color-dark,#2a3242); display:inline-flex; align-items:center; justify-content:center; }
.show-sources-btn .src-fav-wrap img { width:100%; height:100%; object-fit:contain; display:block; }
.show-sources-btn .sources-label { font-size:.6rem; font-weight:500; letter-spacing:.3px; }

/* Condensed action bar reveal when message has sources */
/* Revised condensed sources behavior: sources button always visible, others appear when message (or group) hovered */
.under-message-buttons.has-sources-condensed { position:relative; display:inline-flex; align-items:center; opacity:1 !important; }
.under-message-buttons.has-sources-condensed .show-sources-btn { z-index:1; }
.under-message-buttons.has-sources-condensed .other-action-buttons { display:inline-flex; gap:4px; transition:opacity .18s ease, transform .18s ease, max-width .25s ease; opacity:0; pointer-events:none; max-width:0; overflow:hidden; }
.message:hover .under-message-buttons.has-sources-condensed .other-action-buttons,
.message-group:hover .under-message-buttons.has-sources-condensed .other-action-buttons,
.under-message-buttons.has-sources-condensed:focus-within .other-action-buttons { opacity:1; pointer-events:auto; max-width:600px; }
.under-message-buttons.has-sources-condensed .other-action-buttons .message-button { transform:translateY(-2px); opacity:0; transition:opacity .18s ease, transform .18s ease; }
.message:hover .under-message-buttons.has-sources-condensed .other-action-buttons .message-button,
.message-group:hover .under-message-buttons.has-sources-condensed .other-action-buttons .message-button,
.under-message-buttons.has-sources-condensed:focus-within .other-action-buttons .message-button { transform:translateY(0); opacity:1; }

.user-profile-menu-modal { background: var(--glass-blur); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border:1px solid var(--glass-border); border-radius:14px; box-shadow: var(--glass-shadow); animation: modalPop .25s ease; }