/* ========================================
   BYD DEMO - Main Styles
   ======================================== */

/* CSS Variables */
:root {
    /* BYD Brand Colors */
    --byd-blue: #0066CC;
    --byd-blue-dark: #004C99;
    --byd-blue-light: #3399FF;

    /* Light Mode Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #E9ECEF;
    --text-primary: #1A1A1A;
    --text-secondary: #6C757D;
    --text-tertiary: #ADB5BD;
    --border-color: #DEE2E6;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Accent Colors */
    --accent-primary: var(--byd-blue);
    --accent-hover: var(--byd-blue-dark);
    --accent-light: #E6F2FF;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Typography */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Dark Mode */
.dark {
    --bg-primary: #0F0F0F;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #2A2A2A;
    --text-primary: #F8F9FA;
    --text-secondary: #ADB5BD;
    --text-tertiary: #6C757D;
    --border-color: #333333;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --accent-light: #1A3A5C;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Cyber Blue Theme */
.cyber-blue {
    --byd-blue: #00F0FF;
    --byd-blue-dark: #00D4E6;
    --byd-blue-light: #33F3FF;

    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #0D1419;
    --text-primary: #00F0FF;
    --text-secondary: #FF6B00;
    --text-tertiary: #7DD3FC;
    --border-color: #00D4E6;
    --shadow: 0 2px 8px rgba(0, 212, 230, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 240, 255, 0.4);

    --accent-primary: #00F0FF;
    --accent-hover: #00D4E6;
    --accent-light: #0A1A1A;
    --accent-gradient: linear-gradient(135deg, #FF6B00 0%, #00F0FF 100%);
    --success: #39FF14;
    --warning: #FFD700;
    --error: #FF1744;
}

.cyber-blue body {
    background: linear-gradient(135deg, #000000 0%, #0D1419 100%);
}

.cyber-blue .header {
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 2px solid #00F0FF;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3), 0 2px 10px rgba(255, 107, 0, 0.2);
}

.cyber-blue .byd-logo-image {
    filter: drop-shadow(0 0 10px #00F0FF) drop-shadow(0 0 5px #FF6B00);
}

.cyber-blue .chat-container {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-blue .message {
    background: rgba(13, 20, 25, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.cyber-blue .message-avatar {
    background: linear-gradient(135deg, #FF6B00 0%, #00F0FF 100%);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5), 0 0 10px rgba(255, 107, 0, 0.3);
    font-weight: 700;
    color: #000000;
}

.cyber-blue .chat-input-area {
    background: rgba(10, 10, 10, 0.95);
    border-top: 2px solid #00F0FF;
}

.cyber-blue .chat-input {
    background: rgba(13, 20, 25, 0.8);
    border: none;
    color: #00F0FF;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.cyber-blue .chat-input:focus {
    border-color: #00F0FF;
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3), 0 0 20px rgba(0, 240, 255, 0.3);
}

.cyber-blue .chat-send-button {
    background: linear-gradient(135deg, #FF6B00 0%, #00F0FF 100%);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5), 0 0 15px rgba(255, 107, 0, 0.3);
}

.cyber-blue .chat-send-button:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.7), 0 4px 20px rgba(255, 107, 0, 0.5);
    transform: translateY(-2px);
}

.cyber-blue .model-card {
    background: rgba(13, 20, 25, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.cyber-blue .model-card:hover {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.5), 0 0 50px rgba(255, 107, 0, 0.4);
    transform: translateY(-4px);
}

.cyber-blue .suggestion-chip {
    background: rgba(13, 20, 25, 0.8);
    border: none;
    color: #00F0FF;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.15), 0 0 5px rgba(255, 107, 0, 0.1);
}

.cyber-blue .suggestion-chip:hover {
    background: rgba(0, 240, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4), 0 0 10px rgba(255, 107, 0, 0.3);
    color: #00F0FF;
}

.cyber-blue .typing-indicator span {
    background: #00F0FF;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
}

.cyber-blue .theme-popover {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-blue .theme-option:hover {
    background: rgba(0, 240, 255, 0.2);
    border-left-color: #00F0FF;
}

.cyber-blue .theme-option.active {
    background: rgba(0, 240, 255, 0.2);
    border-left-color: #00F0FF;
}

/* Cyber Pink Theme */
.cyber-pink {
    --byd-blue: #FF00F5;
    --byd-blue-dark: #D600CC;
    --byd-blue-light: #FF66F9;

    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #190A1E;
    --text-primary: #FF00F5;
    --text-secondary: #00D4FF;
    --text-tertiary: #F0A3FF;
    --border-color: #D600CC;
    --shadow: 0 2px 8px rgba(214, 0, 204, 0.3);
    --shadow-lg: 0 8px 24px rgba(255, 0, 245, 0.4);

    --accent-primary: #FF00F5;
    --accent-hover: #D600CC;
    --accent-light: #1A0A1A;
    --accent-gradient: linear-gradient(135deg, #FF00F5 0%, #00D4FF 100%);
    --success: #39FF14;
    --warning: #FFD700;
    --error: #FF1744;
}

.cyber-pink body {
    background: linear-gradient(135deg, #000000 0%, #190A1E 100%);
}

.cyber-pink .header {
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 2px solid #FF00F5;
    box-shadow: 0 4px 20px rgba(255, 0, 245, 0.3), 0 2px 10px rgba(0, 212, 255, 0.2);
}

.cyber-pink .byd-logo-image {
    filter: drop-shadow(0 0 10px #FF00F5) drop-shadow(0 0 5px #00D4FF);
}

.cyber-pink .chat-container {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 245, 0.4), 0 0 60px rgba(0, 212, 255, 0.3);
}

.cyber-pink .message {
    background: rgba(25, 10, 30, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(255, 0, 245, 0.1);
}

.cyber-pink .message-avatar {
    background: linear-gradient(135deg, #00D4FF 0%, #FF00F5 100%);
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.5), 0 0 10px rgba(0, 212, 255, 0.3);
    font-weight: 700;
    color: #000000;
}

.cyber-pink .chat-input-area {
    background: rgba(10, 10, 10, 0.95);
    border-top: 2px solid #FF00F5;
}

.cyber-pink .chat-input {
    background: rgba(25, 10, 30, 0.8);
    border: none;
    color: #FF00F5;
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.2);
}

.cyber-pink .chat-input:focus {
    border-color: #FF00F5;
    box-shadow: 0 0 0 3px rgba(255, 0, 245, 0.3), 0 0 20px rgba(255, 0, 245, 0.3);
}

.cyber-pink .chat-send-button {
    background: linear-gradient(135deg, #00D4FF 0%, #FF00F5 100%);
    box-shadow: 0 0 20px rgba(255, 0, 245, 0.5), 0 0 15px rgba(0, 212, 255, 0.3);
}

.cyber-pink .chat-send-button:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(255, 0, 245, 0.7), 0 4px 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.cyber-pink .model-card {
    background: rgba(25, 10, 30, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.2);
}

.cyber-pink .model-card:hover {
    box-shadow: 0 0 25px rgba(255, 0, 245, 0.5), 0 0 50px rgba(0, 212, 255, 0.4);
    transform: translateY(-4px);
}

.cyber-pink .suggestion-chip {
    background: rgba(25, 10, 30, 0.8);
    border: none;
    color: #FF00F5;
    box-shadow: 0 0 10px rgba(255, 0, 245, 0.15), 0 0 5px rgba(0, 212, 255, 0.1);
}

.cyber-pink .suggestion-chip:hover {
    background: rgba(255, 0, 245, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.4), 0 0 10px rgba(0, 212, 255, 0.3);
    color: #FF00F5;
}

.cyber-pink .typing-indicator span {
    background: #FF00F5;
    box-shadow: 0 0 10px rgba(255, 0, 245, 0.8);
}

.cyber-pink .theme-popover {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 245, 0.5), 0 0 60px rgba(0, 212, 255, 0.3);
}

.cyber-pink .theme-option:hover {
    background: rgba(255, 0, 245, 0.2);
    border-left-color: #FF00F5;
}

.cyber-pink .theme-option.active {
    background: rgba(255, 0, 245, 0.2);
    border-left-color: #FF00F5;
}

/* Cyber Green Theme (Matrix) */
.cyber-green {
    --byd-blue: #00FF41;
    --byd-blue-dark: #00D936;
    --byd-blue-light: #33FF66;

    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #0A140A;
    --text-primary: #00FF41;
    --text-secondary: #FF1493;
    --text-tertiary: #7DFF9C;
    --border-color: #00D936;
    --shadow: 0 2px 8px rgba(0, 217, 54, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 255, 65, 0.4);

    --accent-primary: #00FF41;
    --accent-hover: #00D936;
    --accent-light: #0A1A0A;
    --accent-gradient: linear-gradient(135deg, #00FF41 0%, #FF1493 100%);
    --success: #00FF41;
    --warning: #FFD700;
    --error: #FF1744;
}

.cyber-green body {
    background: linear-gradient(135deg, #000000 0%, #0A140A 100%);
}

.cyber-green .header {
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 2px solid #00FF41;
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.3), 0 2px 10px rgba(255, 20, 147, 0.2);
}

.cyber-green .byd-logo-image {
    filter: drop-shadow(0 0 10px #00FF41) drop-shadow(0 0 5px #FF1493);
}

.cyber-green .chat-container {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.4), 0 0 60px rgba(255, 20, 147, 0.3);
}

.cyber-green .message {
    background: rgba(10, 20, 10, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.1);
}

.cyber-green .message-avatar {
    background: linear-gradient(135deg, #FF1493 0%, #00FF41 100%);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5), 0 0 10px rgba(255, 20, 147, 0.3);
    font-weight: 700;
    color: #000000;
}

.cyber-green .chat-input-area {
    background: rgba(10, 10, 10, 0.95);
    border-top: 2px solid #00FF41;
}

.cyber-green .chat-input {
    background: rgba(10, 20, 10, 0.8);
    border: none;
    color: #00FF41;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.cyber-green .chat-input:focus {
    border-color: #00FF41;
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.3), 0 0 20px rgba(0, 255, 65, 0.3);
}

.cyber-green .chat-send-button {
    background: linear-gradient(135deg, #FF1493 0%, #00FF41 100%);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.5), 0 0 15px rgba(255, 20, 147, 0.3);
}

.cyber-green .chat-send-button:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.7), 0 4px 20px rgba(255, 20, 147, 0.5);
    transform: translateY(-2px);
}

.cyber-green .model-card {
    background: rgba(10, 20, 10, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.cyber-green .model-card:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.5), 0 0 50px rgba(255, 20, 147, 0.4);
    transform: translateY(-4px);
}

.cyber-green .suggestion-chip {
    background: rgba(10, 20, 10, 0.8);
    border: none;
    color: #00FF41;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.15), 0 0 5px rgba(255, 20, 147, 0.1);
}

.cyber-green .suggestion-chip:hover {
    background: rgba(0, 255, 65, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4), 0 0 10px rgba(255, 20, 147, 0.3);
    color: #00FF41;
}

.cyber-green .typing-indicator span {
    background: #00FF41;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.8);
}

.cyber-green .theme-popover {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.5), 0 0 60px rgba(255, 20, 147, 0.3);
}

.cyber-green .theme-option:hover {
    background: rgba(0, 255, 65, 0.2);
    border-left-color: #00FF41;
}

.cyber-green .theme-option.active {
    background: rgba(0, 255, 65, 0.2);
    border-left-color: #00FF41;
}

/* Cyber Red Theme */
.cyber-red {
    --byd-blue: #FF0040;
    --byd-blue-dark: #CC0033;
    --byd-blue-light: #FF3366;

    --bg-primary: #050505;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #151515;
    --text-primary: #FF0040;
    --text-secondary: #FF6B00;
    --text-tertiary: #FF9E40;
    --border-color: #CC0033;
    --shadow: 0 2px 8px rgba(204, 0, 51, 0.3);
    --shadow-lg: 0 8px 24px rgba(255, 0, 64, 0.4);

    --accent-primary: #FF0040;
    --accent-hover: #CC0033;
    --accent-light: #1A0A0A;
    --accent-gradient: linear-gradient(135deg, #FF0040 0%, #FF6B00 100%);
    --success: #39FF14;
    --warning: #FFD700;
    --error: #FF1744;
}

.cyber-red body {
    background: linear-gradient(135deg, #050505 0%, #151515 100%);
}

.cyber-red .header {
    background: rgba(0, 0, 0, 0.98);
    border-bottom: 2px solid #FF0040;
    box-shadow: 0 4px 20px rgba(255, 0, 64, 0.3), 0 2px 10px rgba(255, 107, 0, 0.2);
}

.cyber-red .byd-logo-image {
    filter: drop-shadow(0 0 10px #FF0040) drop-shadow(0 0 5px #FF6B00);
}

.cyber-red .chat-container {
    background: rgba(10, 10, 10, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 64, 0.4), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-red .message {
    background: rgba(21, 21, 21, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(255, 0, 64, 0.1);
}

.cyber-red .message-avatar {
    background: linear-gradient(135deg, #FF6B00 0%, #FF0040 100%);
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.5), 0 0 10px rgba(255, 107, 0, 0.3);
    font-weight: 700;
    color: #050505;
}

.cyber-red .chat-input-area {
    background: rgba(10, 10, 10, 0.95);
    border-top: 2px solid #FF0040;
}

.cyber-red .chat-input {
    background: rgba(21, 21, 21, 0.8);
    border: none;
    color: #FF0040;
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.2);
}

.cyber-red .chat-input:focus {
    border-color: #FF0040;
    box-shadow: 0 0 0 3px rgba(255, 0, 64, 0.3), 0 0 20px rgba(255, 0, 64, 0.3);
}

.cyber-red .chat-send-button {
    background: linear-gradient(135deg, #FF6B00 0%, #FF0040 100%);
    box-shadow: 0 0 20px rgba(255, 0, 64, 0.5), 0 0 15px rgba(255, 107, 0, 0.3);
}

.cyber-red .chat-send-button:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(255, 0, 64, 0.7), 0 4px 20px rgba(255, 107, 0, 0.5);
    transform: translateY(-2px);
}

.cyber-red .model-card {
    background: rgba(21, 21, 21, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.2);
}

.cyber-red .model-card:hover {
    box-shadow: 0 0 25px rgba(255, 0, 64, 0.5), 0 0 50px rgba(255, 107, 0, 0.4);
    transform: translateY(-4px);
}

.cyber-red .suggestion-chip {
    background: rgba(21, 21, 21, 0.8);
    border: none;
    color: #FF0040;
    box-shadow: 0 0 10px rgba(255, 0, 64, 0.15), 0 0 5px rgba(255, 107, 0, 0.1);
}

.cyber-red .suggestion-chip:hover {
    background: rgba(255, 0, 64, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.4), 0 0 10px rgba(255, 107, 0, 0.3);
    color: #FF0040;
}

.cyber-red .typing-indicator span {
    background: #FF0040;
    box-shadow: 0 0 10px rgba(255, 0, 64, 0.8);
}

.cyber-red .theme-popover {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 64, 0.5), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-red .theme-option:hover {
    background: rgba(255, 0, 64, 0.2);
    border-left-color: #FF0040;
}

.cyber-red .theme-option.active {
    background: rgba(255, 0, 64, 0.2);
    border-left-color: #FF0040;
}

.cyber-red .disclaimer-logo {
    filter: drop-shadow(0 0 15px #FF0040) drop-shadow(0 0 30px #FF6B00);
}

.cyber-red .disclaimer-modal {
    background: rgba(5, 5, 5, 0.95);
}

.cyber-red .disclaimer-content {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 40px rgba(255, 0, 64, 0.5), 0 0 80px rgba(255, 107, 0, 0.3);
}

.cyber-red .disclaimer-header {
    border-bottom: 2px solid #CC0033;
}

.cyber-red .disclaimer-body {
    border-bottom: 2px solid #CC0033;
}

.cyber-red .disclaimer-footer-text {
    background: rgba(21, 21, 21, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(255, 0, 64, 0.2);
}

/* Castle Theme (Medieval Fantasy) */
.castle {
    --byd-blue: #D4AF37;
    --byd-blue-dark: #B8960F;
    --byd-blue-light: #FFD700;

    --bg-primary: #3A3A3A;
    --bg-secondary: #2A2A2A;
    --bg-tertiary: #4A4A4A;
    --text-primary: #E8E8E8;
    --text-secondary: #D4AF37;
    --text-tertiary: #B8B8B8;
    --border-color: #666;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.9);

    --accent-primary: #D4AF37;
    --accent-hover: #FFD700;
    --accent-light: #5C5C5C;
    --accent-gradient: radial-gradient(circle at 30% 30%, #FFD700, #D4AF37, #8B6914);
    --success: #4CAF50;
    --warning: #FF8C00;
    --error: #8B0000;
}

.castle body {
    background:
        linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.3) 50%, transparent 100%) 0 0 / 120px 100%,
        linear-gradient(0deg, #2A2520 0%, #3A3530 50%, #2A2520 100%);
    background-attachment: fixed;
}

.castle .header {
    background:
        repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(0,0,0,0.2) 80px, rgba(0,0,0,0.2) 85px),
        linear-gradient(180deg, #4A4A4A 0%, #3A3A3A 50%, #2A2A2A 100%);
    border-bottom: 4px solid #1A1A1A;
    border-top: 2px solid #666;
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.9),
        inset 0 2px 0 rgba(255,215,0,0.1),
        inset 0 -4px 8px rgba(0,0,0,0.5);
    position: relative;
}

.castle .header::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: repeating-linear-gradient(90deg,
        #2A2A2A 0px, #2A2A2A 30px,
        transparent 30px, transparent 40px
    );
}

.castle .byd-logo-image {
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.8)) brightness(1.2) contrast(1.1);
}

.castle .chat-container {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 8px,
            rgba(0,0,0,0.15) 8px, rgba(0,0,0,0.15) 9px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 12px,
            rgba(0,0,0,0.1) 12px, rgba(0,0,0,0.1) 13px
        ),
        linear-gradient(135deg, #3A3530 0%, #2A2520 100%);
    border: 6px solid #1A1A1A;
    border-image: linear-gradient(180deg, #4A4A4A, #2A2A2A, #1A1A1A) 1;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        inset 0 0 40px rgba(0, 0, 0, 0.4),
        inset 4px 4px 8px rgba(0, 0, 0, 0.5),
        inset -4px -4px 8px rgba(255, 255, 255, 0.03);
    position: relative;
}

.castle .chat-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        repeating-linear-gradient(45deg,
            transparent 0px, transparent 20px,
            rgba(212, 175, 55, 0.02) 20px, rgba(212, 175, 55, 0.02) 21px
        );
    pointer-events: none;
}

.castle .message {
    background:
        linear-gradient(135deg, rgba(80, 80, 80, 0.4) 0%, rgba(60, 60, 60, 0.4) 100%);
    border: 2px solid rgba(100, 100, 100, 0.5);
    border-left: 4px solid rgba(212, 175, 55, 0.3);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.7),
        inset 2px 2px 4px rgba(0, 0, 0, 0.4),
        inset -1px -1px 2px rgba(255, 255, 255, 0.05);
}

.castle .message-avatar {
    background:
        radial-gradient(circle at 30% 30%, #FFD700, #D4AF37, #8B6914);
    box-shadow:
        0 0 20px rgba(212, 175, 55, 0.8),
        inset -3px -3px 6px rgba(0, 0, 0, 0.5),
        inset 2px 2px 4px rgba(255, 215, 0, 0.4);
    font-weight: 700;
    color: #1A1410;
    border: 3px solid #8B6914;
    position: relative;
}

.castle .message-avatar::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,215,0,0.3) 0%, transparent 50%);
}

.castle .chat-input-area {
    background:
        linear-gradient(180deg, #2A2A2A 0%, #3A3A3A 100%);
    border-top: 4px solid #1A1A1A;
    box-shadow:
        inset 0 4px 12px rgba(0, 0, 0, 0.8),
        0 -2px 0 rgba(212, 175, 55, 0.1);
}

.castle .chat-input {
    background:
        linear-gradient(135deg, rgba(60, 60, 60, 0.9) 0%, rgba(50, 50, 50, 0.9) 100%);
    border: 3px solid #4A4A4A;
    border-bottom-width: 4px;
    color: #E8E8E8;
    box-shadow:
        inset 3px 3px 8px rgba(0, 0, 0, 0.7),
        inset -1px -1px 2px rgba(255, 255, 255, 0.05);
}

.castle .chat-input::placeholder {
    color: rgba(212, 175, 55, 0.4);
}

.castle .chat-input:focus {
    border-color: #8B6914;
    box-shadow:
        0 0 0 3px rgba(212, 175, 55, 0.3),
        inset 3px 3px 8px rgba(0, 0, 0, 0.7),
        0 0 15px rgba(212, 175, 55, 0.2);
}

.castle .chat-send-button {
    background:
        radial-gradient(circle at 30% 30%, #FFD700, #D4AF37, #8B6914);
    box-shadow:
        0 6px 0 #6A5010,
        0 8px 16px rgba(0, 0, 0, 0.8),
        inset 2px 2px 6px rgba(255, 215, 0, 0.5),
        inset -2px -2px 6px rgba(0, 0, 0, 0.4);
    border: 3px solid #8B6914;
    border-top-color: #FFD700;
    color: #1A1410;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(255, 215, 0, 0.5);
    position: relative;
}

.castle .chat-send-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, transparent 50%);
}

.castle .chat-send-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow:
        0 8px 0 #6A5010,
        0 10px 20px rgba(212, 175, 55, 0.6),
        inset 2px 2px 6px rgba(255, 215, 0, 0.6),
        inset -2px -2px 6px rgba(0, 0, 0, 0.3);
}

.castle .chat-send-button:active:not(:disabled) {
    transform: translateY(2px);
    box-shadow:
        0 4px 0 #6A5010,
        0 6px 12px rgba(0, 0, 0, 0.8),
        inset 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.castle .model-card {
    background:
        repeating-linear-gradient(45deg,
            transparent 0px, transparent 2px,
            rgba(212, 175, 55, 0.05) 2px, rgba(212, 175, 55, 0.05) 4px
        ),
        linear-gradient(135deg, rgba(70, 70, 70, 0.95) 0%, rgba(50, 50, 50, 0.95) 100%);
    border: 4px solid #3A3A3A;
    border-top-color: #5A5A5A;
    border-left-color: #5A5A5A;
    border-image: linear-gradient(135deg, #6A6A6A, #3A3A3A, #2A2A2A) 1;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.8),
        inset 0 0 20px rgba(0, 0, 0, 0.3),
        inset 3px 3px 6px rgba(0, 0, 0, 0.4),
        inset -2px -2px 4px rgba(255, 255, 255, 0.03);
    position: relative;
}

.castle .model-card::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    pointer-events: none;
}

.castle .model-card:hover {
    border-image: linear-gradient(135deg, #D4AF37, #8B6914, #6A5010) 1;
    box-shadow:
        0 10px 24px rgba(212, 175, 55, 0.4),
        0 0 30px rgba(212, 175, 55, 0.2),
        inset 0 0 25px rgba(212, 175, 55, 0.1),
        inset 3px 3px 6px rgba(0, 0, 0, 0.4);
    transform: translateY(-4px);
}

.castle .suggestion-chip {
    background:
        linear-gradient(135deg, rgba(70, 70, 70, 0.9) 0%, rgba(50, 50, 50, 0.9) 100%);
    border: 3px solid #4A4A4A;
    border-top-color: #6A6A6A;
    color: #D4AF37;
    box-shadow:
        0 4px 8px rgba(0, 0, 0, 0.6),
        inset 2px 2px 4px rgba(0, 0, 0, 0.4),
        inset -1px -1px 2px rgba(255, 255, 255, 0.05);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.castle .suggestion-chip:hover {
    background:
        radial-gradient(circle at 30% 30%, rgba(212, 175, 55, 0.3), rgba(139, 105, 20, 0.2), rgba(50, 50, 50, 0.9));
    border-color: #8B6914;
    box-shadow:
        0 6px 12px rgba(212, 175, 55, 0.4),
        0 0 15px rgba(212, 175, 55, 0.3),
        inset 2px 2px 4px rgba(255, 215, 0, 0.2);
    color: #FFD700;
}

.castle .typing-indicator span {
    background:
        radial-gradient(circle, #FFD700, #D4AF37);
    box-shadow:
        0 0 12px rgba(212, 175, 55, 0.9),
        0 0 20px rgba(212, 175, 55, 0.5),
        inset 1px 1px 2px rgba(255, 215, 0, 0.6);
}

.castle .theme-popover {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 8px,
            rgba(0,0,0,0.1) 8px, rgba(0,0,0,0.1) 9px
        ),
        linear-gradient(135deg, rgba(60, 60, 60, 0.98) 0%, rgba(40, 40, 40, 0.98) 100%);
    border: 4px solid #2A2A2A;
    border-image: linear-gradient(135deg, #5A5A5A, #3A3A3A, #2A2A2A) 1;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        inset 0 0 20px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(212, 175, 55, 0.15);
}

.castle .theme-option:hover {
    background: rgba(212, 175, 55, 0.2);
    border-left-color: #D4AF37;
    box-shadow: inset 4px 0 8px rgba(212, 175, 55, 0.3);
}

.castle .theme-option.active {
    background:
        linear-gradient(90deg, rgba(212, 175, 55, 0.3) 0%, rgba(139, 105, 20, 0.2) 100%);
    border-left-color: #FFD700;
    border-left-width: 4px;
    box-shadow: inset 4px 0 12px rgba(212, 175, 55, 0.4);
}

.castle .disclaimer-logo {
    filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.8)) brightness(1.2);
}

.castle .disclaimer-modal {
    background: rgba(20, 20, 20, 0.95);
}

.castle .disclaimer-content {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 8px,
            rgba(0,0,0,0.15) 8px, rgba(0,0,0,0.15) 9px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 12px,
            rgba(0,0,0,0.1) 12px, rgba(0,0,0,0.1) 13px
        ),
        linear-gradient(135deg, #3A3530 0%, #2A2520 100%);
    border: 6px solid #2A2A2A;
    border-image: linear-gradient(135deg, #6A6A6A, #3A3A3A, #1A1A1A) 1;
    box-shadow:
        0 0 60px rgba(0, 0, 0, 0.95),
        0 0 30px rgba(212, 175, 55, 0.2),
        inset 0 0 40px rgba(0, 0, 0, 0.5);
}

.castle .disclaimer-header {
    border-bottom: 4px solid #3A3A3A;
    box-shadow: 0 2px 0 rgba(212, 175, 55, 0.2);
}

.castle .disclaimer-body {
    border-bottom: 4px solid #3A3A3A;
    box-shadow: 0 2px 0 rgba(212, 175, 55, 0.2);
}

.castle .disclaimer-footer-text {
    background:
        linear-gradient(135deg, rgba(70, 70, 70, 0.8) 0%, rgba(50, 50, 50, 0.8) 100%);
    border: 2px solid rgba(100, 100, 100, 0.5);
    border-left: 4px solid rgba(212, 175, 55, 0.3);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.7),
        inset 2px 2px 4px rgba(0, 0, 0, 0.4);
}

/* Ninja Turtle Theme (Cowabunga!) */
/* Turtle Power / TMNT Theme */
.tmnt,
.turtle-power {
    --byd-blue: #FF6B1A;
    --byd-blue-dark: #E55A0F;
    --byd-blue-light: #FF8842;

    --bg-primary: #1A2A1A;
    --bg-secondary: #0F1F0F;
    --bg-tertiary: #253525;
    --text-primary: #7FFF00;
    --text-secondary: #FF6B1A;
    --text-tertiary: #90EE90;
    --border-color: #3A4A3A;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.9);

    --accent-primary: #FF6B1A;
    --accent-hover: #FF8842;
    --accent-light: #2A3A2A;
    --accent-gradient: linear-gradient(135deg, #FF6B1A 0%, #7FFF00 100%);
    --success: #7FFF00;
    --warning: #FFD700;
    --error: #DC143C;
}

.tmnt body {
    background:
        radial-gradient(circle at 20% 80%, rgba(127, 255, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #0A1A0A 0%, #1A2A1A 50%, #0F1F0F 100%);
    background-attachment: fixed;
}

.tmnt .header {
    background:
        linear-gradient(180deg, #253525 0%, #1A2A1A 100%);
    border-bottom: 4px solid #3A4A3A;
    border-top: 2px solid #7FFF00;
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.9),
        0 0 20px rgba(127, 255, 0, 0.2),
        inset 0 2px 0 rgba(127, 255, 0, 0.2);
}

.tmnt .byd-logo-image {
    filter: drop-shadow(0 0 10px rgba(127, 255, 0, 0.8)) brightness(1.2);
}

.tmnt .chat-container {
    background:
        radial-gradient(circle at 10% 10%, rgba(127, 255, 0, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 90% 90%, rgba(255, 107, 26, 0.03) 0%, transparent 30%),
        linear-gradient(135deg, rgba(26, 42, 26, 0.95) 0%, rgba(15, 31, 15, 0.95) 100%);
    border: 4px solid #3A4A3A;
    border-top-color: #4A5A4A;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        0 0 30px rgba(127, 255, 0, 0.15),
        inset 0 0 40px rgba(0, 0, 0, 0.5);
}

.tmnt .message {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.8) 0%, rgba(26, 42, 26, 0.8) 100%);
    border: 2px solid rgba(127, 255, 0, 0.2);
    border-left: 4px solid rgba(255, 107, 26, 0.5);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.7),
        inset 0 0 10px rgba(127, 255, 0, 0.05);
}

.tmnt .message-avatar {
    background:
        radial-gradient(circle at 30% 30%, #7FFF00, #32CD32);
    box-shadow:
        0 0 20px rgba(127, 255, 0, 0.8),
        inset -3px -3px 6px rgba(0, 0, 0, 0.4),
        inset 2px 2px 4px rgba(127, 255, 0, 0.6);
    font-weight: 700;
    color: #0A1A0A;
    border: 3px solid #FF6B1A;
}

.tmnt .chat-input-area {
    background:
        linear-gradient(180deg, #1A2A1A 0%, #253525 100%);
    border-top: 4px solid #3A4A3A;
    box-shadow:
        inset 0 4px 12px rgba(0, 0, 0, 0.8),
        0 -2px 0 rgba(127, 255, 0, 0.2);
}

.tmnt .chat-input {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.9) 0%, rgba(26, 42, 26, 0.9) 100%);
    border: 3px solid #3A4A3A;
    border-bottom-width: 4px;
    color: #7FFF00;
    box-shadow:
        inset 3px 3px 8px rgba(0, 0, 0, 0.7),
        0 0 10px rgba(127, 255, 0, 0.1);
}

.tmnt .chat-input::placeholder {
    color: rgba(127, 255, 0, 0.4);
}

.tmnt .chat-input:focus {
    border-color: #7FFF00;
    box-shadow:
        0 0 0 3px rgba(127, 255, 0, 0.3),
        inset 3px 3px 8px rgba(0, 0, 0, 0.7),
        0 0 20px rgba(127, 255, 0, 0.3);
}

.tmnt .chat-send-button {
    background:
        radial-gradient(circle at 30% 30%, #FF8842, #FF6B1A, #E55A0F);
    box-shadow:
        0 6px 0 #B84410,
        0 8px 16px rgba(0, 0, 0, 0.8),
        inset 2px 2px 6px rgba(255, 136, 66, 0.6),
        inset -2px -2px 6px rgba(0, 0, 0, 0.4);
    border: 3px solid #7FFF00;
    color: #FFF;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.tmnt .chat-send-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow:
        0 8px 0 #B84410,
        0 10px 20px rgba(255, 107, 26, 0.6),
        0 0 30px rgba(127, 255, 0, 0.3),
        inset 2px 2px 6px rgba(255, 136, 66, 0.7);
}

.tmnt .model-card {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.95) 0%, rgba(26, 42, 26, 0.95) 100%);
    border: 4px solid #3A4A3A;
    border-left: 4px solid #FF6B1A;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.8),
        inset 0 0 20px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(127, 255, 0, 0.1);
}

.tmnt .model-card:hover {
    border-color: #4A5A4A;
    border-left-color: #7FFF00;
    box-shadow:
        0 10px 24px rgba(127, 255, 0, 0.4),
        0 0 30px rgba(127, 255, 0, 0.3),
        inset 0 0 25px rgba(127, 255, 0, 0.1);
    transform: translateY(-4px);
}

.tmnt .suggestion-chip {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.9) 0%, rgba(26, 42, 26, 0.9) 100%);
    border: 3px solid #3A4A3A;
    color: #7FFF00;
    box-shadow:
        0 4px 8px rgba(0, 0, 0, 0.6),
        0 0 10px rgba(127, 255, 0, 0.1);
}

.tmnt .suggestion-chip:hover {
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 107, 26, 0.3), rgba(127, 255, 0, 0.2), rgba(26, 42, 26, 0.9));
    border-color: #FF6B1A;
    box-shadow:
        0 6px 12px rgba(255, 107, 26, 0.4),
        0 0 20px rgba(127, 255, 0, 0.3);
    color: #FF8842;
}

.tmnt .typing-indicator span {
    background:
        radial-gradient(circle, #7FFF00, #32CD32);
    box-shadow:
        0 0 12px rgba(127, 255, 0, 0.9),
        0 0 20px rgba(127, 255, 0, 0.5);
}

.tmnt .theme-popover,
.turtle-power .theme-popover {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.98) 0%, rgba(15, 31, 15, 0.98) 100%);
    border: 4px solid #3A4A3A;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        0 0 30px rgba(127, 255, 0, 0.2);
}

.tmnt .theme-option:hover,
.turtle-power .theme-option:hover {
    background: rgba(127, 255, 0, 0.2);
    border-left-color: #7FFF00;
}

.tmnt .theme-option.active,
.turtle-power .theme-option.active {
    background:
        linear-gradient(90deg, rgba(127, 255, 0, 0.3) 0%, rgba(255, 107, 26, 0.2) 100%);
    border-left-color: #FF6B1A;
    border-left-width: 4px;
}

/* Minecraft Theme (Blocky!) */
.minecraft {
    --byd-blue: #5C9C5C;
    --byd-blue-dark: #4A7C4A;
    --byd-blue-light: #70B070;

    --bg-primary: #3C3C3C;
    --bg-secondary: #2A2A2A;
    --bg-tertiary: #4E4E4E;
    --text-primary: #FFFFFF;
    --text-secondary: #C0C0C0;
    --text-tertiary: #A0A0A0;
    --border-color: #1A1A1A;
    --shadow: 0 4px 0 rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 0 rgba(0, 0, 0, 0.5);

    --accent-primary: #5C9C5C;
    --accent-hover: #70B070;
    --accent-light: #4E4E4E;
    --accent-gradient: linear-gradient(180deg, #70B070 0%, #70B070 40%, #5C9C5C 40%, #5C9C5C 100%);
    --success: #5C9C5C;
    --warning: #FFA500;
    --error: #DC143C;
}

.minecraft body {
    background:
        /* Noise-like dirt texture using multiple gradients */
        linear-gradient(90deg, transparent 0px, transparent 4px, rgba(139,115,85,0.3) 4px, rgba(139,115,85,0.3) 8px, transparent 8px, transparent 12px, rgba(122,99,68,0.2) 12px, rgba(122,99,68,0.2) 16px) 0 0 / 16px 16px,
        linear-gradient(0deg, transparent 0px, transparent 4px, rgba(155,131,101,0.2) 4px, rgba(155,131,101,0.2) 8px, transparent 8px, transparent 12px, rgba(101,67,33,0.3) 12px, rgba(101,67,33,0.3) 16px) 0 0 / 16px 16px,
        linear-gradient(45deg, rgba(139,115,85,0.1) 25%, transparent 25%, transparent 75%, rgba(139,115,85,0.1) 75%, rgba(139,115,85,0.1)) 0 0 / 8px 8px,
        linear-gradient(135deg, rgba(122,99,68,0.15) 25%, transparent 25%, transparent 75%, rgba(122,99,68,0.15) 75%, rgba(122,99,68,0.15)) 0 0 / 8px 8px,
        repeating-linear-gradient(90deg, #654321 0px, #654321 4px, #7A6344 4px, #7A6344 8px, #8B7355 8px, #8B7355 12px, #6F5334 12px, #6F5334 16px),
        #654321;
    background-attachment: fixed;
    image-rendering: pixelated;
}

.minecraft .header {
    background:
        linear-gradient(180deg,
            #6A6A6A 0%, #6A6A6A 25%,
            #5A5A5A 25%, #5A5A5A 75%,
            #4A4A4A 75%, #4A4A4A 100%
        );
    border: none;
    border-bottom: 4px solid #1A1A1A;
    border-top: 4px solid #8A8A8A;
    box-shadow:
        0 8px 0 rgba(0, 0, 0, 0.5),
        inset 0 4px 0 rgba(255, 255, 255, 0.15),
        inset 0 -4px 0 rgba(0, 0, 0, 0.15);
    image-rendering: pixelated;
}

.minecraft .byd-logo-image {
    filter: contrast(1.2) saturate(1.1);
    image-rendering: pixelated;
}

.minecraft .chat-container {
    background:
        linear-gradient(90deg,
            transparent 0px, transparent 6px,
            rgba(0,0,0,0.1) 6px, rgba(0,0,0,0.1) 8px,
            transparent 8px, transparent 14px,
            rgba(0,0,0,0.1) 14px, rgba(0,0,0,0.1) 16px
        ),
        linear-gradient(180deg,
            #9B8365 0%, #9B8365 20%,
            #8B7355 20%, #8B7355 40%,
            #7A6344 40%, #7A6344 60%,
            #6A5334 60%, #6A5334 80%,
            #5A4324 80%, #5A4324 100%
        );
    border: 8px solid #1A1A1A;
    border-top-color: #9B8365;
    border-left-color: #7A6344;
    box-shadow:
        0 8px 0 rgba(0, 0, 0, 0.5),
        inset 4px 4px 0 rgba(255, 255, 255, 0.1),
        inset -4px -4px 0 rgba(0, 0, 0, 0.3);
    image-rendering: pixelated;
}

.minecraft .message {
    background:
        linear-gradient(180deg,
            #6A6A6A 0%, #6A6A6A 30%,
            #5A5A5A 30%, #5A5A5A 70%,
            #4A4A4A 70%, #4A4A4A 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #7A7A7A;
    border-left-color: #5A5A5A;
    box-shadow:
        0 4px 0 rgba(0, 0, 0, 0.5),
        inset 2px 2px 0 rgba(255, 255, 255, 0.15),
        inset -2px -2px 0 rgba(0, 0, 0, 0.15);
    image-rendering: pixelated;
}

.minecraft .message-avatar {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 60%,
            #4A7C4A 60%, #4A7C4A 100%
        );
    box-shadow:
        0 4px 0 #2A4A2A,
        inset 3px 3px 0 rgba(255, 255, 255, 0.3),
        inset -3px -3px 0 rgba(0, 0, 0, 0.4);
    font-weight: 700;
    color: #FFF;
    border: 4px solid #1A1A1A;
    border-top-color: #80C080;
    border-left-color: #70B070;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.8);
    image-rendering: pixelated;
}

.minecraft .chat-input-area {
    background:
        linear-gradient(180deg,
            #3A3A3A 0%, #3A3A3A 50%,
            #2A2A2A 50%, #2A2A2A 100%
        );
    border: none;
    border-top: 4px solid #1A1A1A;
    box-shadow:
        inset 0 4px 0 rgba(0, 0, 0, 0.5);
    image-rendering: pixelated;
}

.minecraft .chat-input {
    background:
        linear-gradient(180deg,
            #3A3A3A 0%, #3A3A3A 40%,
            #2A2A2A 40%, #2A2A2A 100%
        );
    border: 4px solid #1A1A1A;
    border-bottom-color: #4A4A4A;
    border-right-color: #3A3A3A;
    color: #FFFFFF;
    box-shadow:
        inset 4px 4px 0 rgba(0, 0, 0, 0.5),
        inset -2px -2px 0 rgba(255, 255, 255, 0.05);
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .chat-input:focus {
    border-color: #5C9C5C;
    box-shadow:
        0 0 0 4px rgba(92, 156, 92, 0.3),
        inset 4px 4px 0 rgba(0, 0, 0, 0.5);
}

.minecraft .chat-send-button {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 60%,
            #4A7C4A 60%, #4A7C4A 100%
        );
    box-shadow:
        0 6px 0 #2A4A2A,
        inset 3px 3px 0 rgba(255, 255, 255, 0.3),
        inset -3px -3px 0 rgba(0, 0, 0, 0.4);
    border: 4px solid #1A1A1A;
    border-top-color: #80C080;
    border-left-color: #70B070;
    color: #FFF;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.8);
    image-rendering: pixelated;
}

.minecraft .chat-send-button:hover:not(:disabled) {
    transform: translateY(-2px);
    color: #000;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
    box-shadow:
        0 8px 0 #2A4A2A,
        inset 2px 2px 0 rgba(255, 255, 255, 0.4);
}

.minecraft .chat-send-button:active:not(:disabled) {
    transform: translateY(2px);
    color: #000;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
    box-shadow:
        0 4px 0 #2A4A2A,
        inset 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.minecraft .model-card {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 15%,
            #5C9C5C 15%, #5C9C5C 30%,
            #9B8365 30%, #9B8365 40%,
            #8B7355 40%, #8B7355 60%,
            #7A6344 60%, #7A6344 80%,
            #6A5334 80%, #6A5334 100%
        );
    border: 8px solid #1A1A1A;
    border-top-color: #70B070;
    border-left-color: #5C9C5C;
    box-shadow:
        0 8px 0 rgba(0, 0, 0, 0.5),
        inset 4px 4px 0 rgba(255, 255, 255, 0.15),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2);
    image-rendering: pixelated;
    position: relative;
}

.minecraft .model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30%;
    background:
        linear-gradient(90deg,
            transparent 0px, transparent 6px,
            rgba(0,0,0,0.1) 6px, rgba(0,0,0,0.1) 8px,
            transparent 8px, transparent 14px,
            rgba(0,0,0,0.1) 14px, rgba(0,0,0,0.1) 16px
        );
    pointer-events: none;
}

.minecraft .model-card:hover {
    border-top-color: #80C080;
    border-left-color: #6CAC6C;
    box-shadow:
        0 12px 0 rgba(0, 0, 0, 0.5),
        inset 4px 4px 0 rgba(255, 255, 255, 0.2),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2);
    transform: translateY(-4px);
}

.minecraft .suggestion-chip {
    background:
        linear-gradient(180deg,
            #5A5A5A 0%, #5A5A5A 40%,
            #4A4A4A 40%, #4A4A4A 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #6A6A6A;
    border-left-color: #5A5A5A;
    color: #FFF;
    box-shadow:
        0 4px 0 rgba(0, 0, 0, 0.5),
        inset 2px 2px 0 rgba(255, 255, 255, 0.15),
        inset -2px -2px 0 rgba(0, 0, 0, 0.15);
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .suggestion-chip:hover {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 100%
        );
    border-color: #1A1A1A;
    border-top-color: #80C080;
    border-left-color: #70B070;
    color: #000;
    box-shadow:
        0 6px 0 rgba(0, 0, 0, 0.5),
        inset 2px 2px 0 rgba(255, 255, 255, 0.2),
        inset -2px -2px 0 rgba(0, 0, 0, 0.2);
}

.minecraft .typing-indicator span {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 50%,
            #5C9C5C 50%, #5C9C5C 100%
        );
    box-shadow:
        0 2px 0 #2A4A2A,
        inset 1px 1px 0 rgba(255, 255, 255, 0.3),
        inset -1px -1px 0 rgba(0, 0, 0, 0.3);
    image-rendering: pixelated;
}

.minecraft .theme-popover {
    background:
        linear-gradient(90deg,
            transparent 0px, transparent 6px,
            rgba(0,0,0,0.15) 6px, rgba(0,0,0,0.15) 8px,
            transparent 8px, transparent 14px,
            rgba(0,0,0,0.15) 14px, rgba(0,0,0,0.15) 16px
        ),
        linear-gradient(180deg,
            #7A6344 0%, #7A6344 25%,
            #6A5334 25%, #6A5334 75%,
            #5A4324 75%, #5A4324 100%
        );
    border: 8px solid #1A1A1A;
    border-top-color: #8A7354;
    border-left-color: #6A5334;
    box-shadow:
        0 8px 0 rgba(0, 0, 0, 0.5),
        inset 4px 4px 0 rgba(255, 255, 255, 0.1),
        inset -4px -4px 0 rgba(0, 0, 0, 0.3);
    image-rendering: pixelated;
}

.minecraft .theme-option:hover {
    background: rgba(92, 156, 92, 0.3);
    border-left-color: #5C9C5C;
    color: #FFF;
}

.minecraft .theme-option.active {
    background:
        repeating-linear-gradient(90deg,
            rgba(92, 156, 92, 0.3) 0px, rgba(92, 156, 92, 0.3) 2px,
            rgba(74, 124, 74, 0.3) 2px, rgba(74, 124, 74, 0.3) 4px
        );
    border-left-color: #5C9C5C;
    border-left-width: 8px;
    color: #FFF;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* App Container - Fixed viewport height */
.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

/* Light mode header with subtle blue tint */
html:not(.dark):not(.cyber-blue):not(.cyber-pink):not(.cyber-green):not(.cyber-red):not(.castle):not(.tmnt):not(.minecraft) .header {
    background: rgba(230, 240, 250, 0.95);
    border-bottom: 1px solid rgba(0, 102, 204, 0.2);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.byd-logo-image {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.dark .byd-logo-image {
    filter: none;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Theme Selector */
.theme-selector-wrapper {
    position: relative;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.theme-popover {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100000;
}

.theme-popover.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
    border-left: 3px solid transparent;
}

.theme-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.theme-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.theme-option:hover {
    background: var(--bg-tertiary);
    border-left-color: var(--accent-primary);
}

.theme-option.active {
    background: var(--accent-light);
    border-left-color: var(--accent-primary);
    font-weight: 600;
}

.theme-option svg {
    flex-shrink: 0;
}

.theme-option span {
    font-size: 0.875rem;
}

/* Logout Button */
.logout-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.logout-button:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.logout-button svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .logout-text {
        display: none;
    }

    .logout-button {
        width: 40px;
        height: 40px;
        padding: 0;
        justify-content: center;
    }
}

/* Main Content - Take remaining space */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Chat Section - Full height, no scrolling */
.chat-section {
    flex: 1;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: var(--spacing-sm);
    overflow: hidden;
}

.chat-with-canvas {
    width: 100%;
    max-width: 1400px;
    flex: 1;
    display: flex;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

/* Welcome Message */
.chat-welcome {
    padding: var(--spacing-xxl);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.welcome-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    position: relative;
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

.messages-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 85%;
    animation: messageSlideIn 0.3s ease;
}

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

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.assistant {
    max-width: 100%;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.message.assistant .message-avatar {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.message-content {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    line-height: 1.6;
}

.message.user .message-content {
    background: var(--accent-primary);
    color: white;
}

.message.assistant .message-content {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* AI Response Container */
.ai-response {
    width: 100%;
}

/* Model Grid - Responsive card layout */
.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    width: 100%;
    contain: layout style;
}

/* Force 3 columns on larger screens for consistency */
@media (min-width: 1200px) {
    .model-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .model-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Model Card */
.model-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    will-change: transform;
    contain: layout style paint;
    /* Optimize rendering performance */
    backface-visibility: hidden;
}

/* Clickable indicator */
.model-card::after {
    content: 'Click to learn more →';
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    background: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.model-card:hover::after {
    opacity: 1;
}

.model-card:active {
    transform: translateY(-2px);
}

/* Disable hover and click effects during streaming */
.message.streaming .model-card {
    cursor: default;
    pointer-events: none;
}

.message.streaming .model-card:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-color);
}

.message.streaming .model-card::after {
    display: none;
}

/* Fixed-size image container to prevent layout shift */
.model-image-container {
    width: 100%;
    height: 200px;
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    contain: strict;
    /* Create a new rendering layer to prevent flickering */
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Placeholder for broken/loading images */
.model-image-container::before {
    content: attr(data-make-name);
    position: absolute;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-tertiary);
    opacity: 0.3;
    font-family: var(--font-primary);
}

.model-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
    /* Prevent flickering during DOM updates */
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Model Info Section */
.model-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.model-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.model-type {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.model-specs {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.model-specs li {
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.model-specs li:last-child {
    border-bottom: none;
}

.model-specs li::before {
    content: '→';
    color: var(--accent-primary);
    font-weight: bold;
    margin-right: var(--spacing-sm);
}

/* Legacy image support (for non-card images) */
.message-content img:not(.model-image-container img) {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    display: block;
    /* Prevent flickering during DOM updates */
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: auto;
}

/* Loading indicator (typing animation) */
.loading-message .message-content {
    padding: var(--spacing-md);
}

.typing-indicator {
    display: flex;
    gap: 6px;
    align-items: center;
    height: 24px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
    animation: typing-bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* DemoCode Modal */
.demo-code-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.demo-code-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 450px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.demo-code-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.demo-code-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.demo-code-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.demo-code-body {
    margin-bottom: var(--spacing-xl);
}

.demo-code-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 500;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: 'Space Grotesk', monospace;
}

.demo-code-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}

.demo-code-input::placeholder {
    color: var(--text-tertiary);
    text-transform: none;
    letter-spacing: normal;
}

.demo-code-error {
    display: none;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    border-radius: var(--radius-md);
    color: #ff3b30;
    font-size: 0.875rem;
    text-align: center;
}

.demo-code-error.visible {
    display: block;
}

.demo-code-loading {
    display: none;
    margin-top: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
}

.demo-code-loading.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.demo-code-loading .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.demo-code-actions {
    display: flex;
    justify-content: center;
}

.demo-code-submit-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 150px;
}

.demo-code-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--accent-primary-rgb), 0.3);
}

.demo-code-submit-btn:active {
    transform: translateY(0);
}

.demo-code-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Disclaimer Modal */
.disclaimer-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.disclaimer-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.disclaimer-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.disclaimer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.dark .disclaimer-logo {
    filter: none;
}

.cyber-blue .disclaimer-logo {
    filter: drop-shadow(0 0 15px #00F0FF) drop-shadow(0 0 30px #FF6B00);
}

.cyber-blue .disclaimer-modal {
    background: rgba(0, 0, 0, 0.95);
}

.cyber-blue .disclaimer-content {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.5), 0 0 80px rgba(255, 107, 0, 0.3);
}

.cyber-blue .disclaimer-header {
    border-bottom: 2px solid #00D4E6;
}

.cyber-blue .disclaimer-body {
    border-bottom: 2px solid #00D4E6;
}

.cyber-blue .disclaimer-footer-text {
    background: rgba(13, 20, 25, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.cyber-pink .disclaimer-logo {
    filter: drop-shadow(0 0 15px #FF00F5) drop-shadow(0 0 30px #00D4FF);
}

.cyber-pink .disclaimer-modal {
    background: rgba(0, 0, 0, 0.95);
}

.cyber-pink .disclaimer-content {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 40px rgba(255, 0, 245, 0.5), 0 0 80px rgba(0, 212, 255, 0.3);
}

.cyber-pink .disclaimer-header {
    border-bottom: 2px solid #D600CC;
}

.cyber-pink .disclaimer-body {
    border-bottom: 2px solid #D600CC;
}

.cyber-pink .disclaimer-footer-text {
    background: rgba(25, 10, 30, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(255, 0, 245, 0.2);
}

.cyber-green .disclaimer-logo {
    filter: drop-shadow(0 0 15px #00FF41) drop-shadow(0 0 30px #FF1493);
}

.cyber-green .disclaimer-modal {
    background: rgba(0, 0, 0, 0.95);
}

.cyber-green .disclaimer-content {
    background: rgba(10, 10, 10, 0.98);
    border: none;
    box-shadow: 0 0 40px rgba(0, 255, 65, 0.5), 0 0 80px rgba(255, 20, 147, 0.3);
}

.cyber-green .disclaimer-header {
    border-bottom: 2px solid #00D936;
}

.cyber-green .disclaimer-body {
    border-bottom: 2px solid #00D936;
}

.cyber-green .disclaimer-footer-text {
    background: rgba(10, 20, 10, 0.6);
    border: none;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.disclaimer-header h2 {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.disclaimer-body {
    padding: var(--spacing-xl);
}

.disclaimer-body h3 {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.disclaimer-body p {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.disclaimer-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.disclaimer-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-primary);
    line-height: 1.6;
}

.disclaimer-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
}

.disclaimer-list a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.disclaimer-list a:hover {
    text-decoration: underline;
}

.disclaimer-footer-text {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
}

.disclaimer-actions {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.disclaimer-accept-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xxl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-secondary);
}

.disclaimer-accept-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.disclaimer-accept-btn:active {
    transform: translateY(0);
}

/* Tables in chat messages */
.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.message-content thead {
    background: var(--accent-primary);
    color: white;
}

.message-content th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.message-content td {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.message-content tbody tr:nth-child(even) {
    background: var(--bg-tertiary);
}

.message-content tbody tr:nth-child(odd) {
    background: var(--bg-secondary);
}

.message-content tbody tr:hover {
    background: var(--accent-light);
}

.message-content td strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Table wrapper for horizontal scroll on mobile */
.message-content .table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

/* Lists in chat messages */
.message-content ul,
.message-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.message-content li {
    margin: var(--spacing-xs) 0;
}

/* Links in chat messages */
.message-content a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.message.user .message-content a {
    color: white;
}

.message-content a:hover {
    color: var(--accent-hover);
}

/* Chat Input Area */
.chat-input-area {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.chat-suggestions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.suggestion-chip {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.suggestion-chip:hover {
    background: var(--accent-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Follow-up suggestions from AI */
.follow-up-suggestions {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.suggestions-prompt {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.suggestion-chips-container {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.suggestion-chips-container .suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.suggestion-chips-container .suggestion-chip svg,
.suggestion-chips-container .suggestion-chip .chip-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.chat-form {
    width: 100%;
}

.chat-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 1rem;
    resize: none;
    min-height: 36px;
    max-height: 100px;
    overflow-y: hidden;
    transition: all var(--transition-base);
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.chat-send-button {
    background: var(--accent-primary);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.chat-send-button:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.chat-send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results Canvas */
.results-canvas {
    width: 450px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
}

.results-canvas.open {
    display: flex;
}

.canvas-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.canvas-header h3 {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.canvas-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.canvas-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.canvas-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* Vehicle Card */
.vehicle-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
}

.vehicle-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.vehicle-card h4 {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.vehicle-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.vehicle-specs {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.spec-badge {
    background: var(--accent-light);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Canvas Toggle */
.canvas-toggle-tab {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-primary);
    border: none;
    color: white;
    width: 32px;
    height: 64px;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.canvas-toggle-tab:hover {
    background: var(--accent-hover);
}

.canvas-toggle-tab.hidden {
    display: none;
}

/* Info Section */
.info-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--bg-secondary);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.byd-logo-footer {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.footer-col h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Scroll to Bottom Button */
.scroll-to-bottom-btn {
    position: absolute;
    bottom: 4rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    z-index: 10;
    opacity: 0.9;
}

.scroll-to-bottom-btn:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.4);
}

.scroll-to-bottom-btn svg {
    width: 20px;
    height: 20px;
}

/* Auto Scroll Indicator */
.auto-scroll-indicator {
    position: absolute;
    bottom: 4.25rem;
    right: 4rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    pointer-events: none;
    z-index: 10;
    display: none;
    font-family: var(--font-secondary);
}

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

/* Location Button */
.location-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.location-button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.location-button svg {
    width: 20px;
    height: 20px;
}

/* Location Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
    overflow-y: auto;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    margin: auto;
}

.location-modal-content {
    max-width: 500px;
    width: 90%;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.modal-close {
    background: transparent;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.input-group {
    margin-bottom: var(--spacing-xl);
}

.input-group label {
    display: block;
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.location-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    transition: all var(--transition-base);
}

.location-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.location-input::placeholder {
    color: var(--text-tertiary);
}

/* Location Suggestions */
.location-suggestions {
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.suggestions-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.suggestion-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.suggestion-list::-webkit-scrollbar {
    width: 6px;
}

.suggestion-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.suggestion-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.suggestion-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: all var(--transition-base);
}

.suggestion-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.suggestion-item svg {
    width: 16px;
    height: 16px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.suggestion-item span {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Location Examples */
.location-examples {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.examples-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.example-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.example-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.example-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Location Error */
.location-error {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    border-radius: var(--radius-md);
    color: var(--error);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

/* Location Loading */
.location-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal Footer Buttons */
.primary-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.primary-button:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow);
}

.primary-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.secondary-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.secondary-button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .chat-with-canvas {
        flex-direction: column;
        height: auto;
        min-height: 600px;
    }

    .results-canvas {
        width: 100%;
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .welcome-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .chat-suggestions {
        justify-content: center;
    }

    .location-modal-content {
        width: 95%;
        margin: 1rem;
    }

    .example-buttons {
        flex-direction: column;
    }

    .example-btn {
        width: 100%;
        text-align: center;
    }

    #locationText {
        display: none;
    }

    /* Full width messages on mobile */
    .message {
        max-width: 100%;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .message.user {
        flex-direction: column-reverse;
    }

    .message-avatar {
        align-self: flex-start;
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }

    .message.user .message-avatar {
        align-self: flex-end;
    }

    .message-content {
        max-width: 100%;
        width: 100%;
    }

    /* Model cards on mobile */
    .model-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .model-card {
        max-width: 100%;
    }

    .model-image-container {
        height: 180px;
    }

    /* Reduced margins for chat area on mobile */
    .chat-section {
        padding: 0.25rem 0.5rem;
    }

    .chat-with-canvas {
        gap: 0.5rem;
    }
}

/* ===================================
   LANDING PAGE THEME OVERRIDES
   =================================== */

/* Minecraft Theme - Landing Page */
.minecraft .service-card {
    background:
        linear-gradient(180deg,
            #5A5A5A 0%, #5A5A5A 40%,
            #4A4A4A 40%, #4A4A4A 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #6A6A6A;
    border-left-color: #6A6A6A;
    box-shadow:
        inset 4px 4px 0 rgba(255, 255, 255, 0.2),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2),
        0 4px 0 rgba(0, 0, 0, 0.5);
    image-rendering: pixelated;
}

.minecraft .service-card:hover {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 100%
        );
    box-shadow:
        inset 4px 4px 0 rgba(255, 255, 255, 0.3),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2),
        0 6px 0 rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
}

.minecraft .service-icon {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #8BC08B;
    border-left-color: #8BC08B;
    box-shadow:
        inset 3px 3px 0 rgba(255, 255, 255, 0.3),
        inset -3px -3px 0 rgba(0, 0, 0, 0.2);
    image-rendering: pixelated;
}

.minecraft .content-box {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 4px,
            rgba(0,0,0,0.05) 4px, rgba(0,0,0,0.05) 8px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 4px,
            rgba(0,0,0,0.05) 4px, rgba(0,0,0,0.05) 8px
        ),
        linear-gradient(180deg,
            #5A5A5A 0%, #5A5A5A 40%,
            #4A4A4A 40%, #4A4A4A 100%
        );
    border: 6px solid #1A1A1A;
    border-top-color: #6A6A6A;
    border-left-color: #6A6A6A;
    box-shadow:
        inset 4px 4px 0 rgba(255, 255, 255, 0.15),
        inset -4px -4px 0 rgba(0, 0, 0, 0.15),
        0 4px 0 rgba(0, 0, 0, 0.5);
    image-rendering: pixelated;
}

.minecraft .content-box h1,
.minecraft .content-box h2,
.minecraft .content-box h3 {
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .landing-header {
    background:
        repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(0,0,0,0.2) 80px, rgba(0,0,0,0.2) 85px),
        linear-gradient(180deg,
            #5A5A5A 0%, #5A5A5A 40%,
            #4A4A4A 40%, #4A4A4A 100%
        );
    border-bottom: 6px solid #1A1A1A;
    box-shadow:
        inset 4px 4px 0 rgba(255, 255, 255, 0.2),
        inset -4px -4px 0 rgba(0, 0, 0, 0.2),
        0 4px 0 rgba(0, 0, 0, 0.5);
    image-rendering: pixelated;
}

.minecraft .hero {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 4px,
            rgba(0,0,0,0.1) 4px, rgba(0,0,0,0.1) 8px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 4px,
            rgba(0,0,0,0.1) 4px, rgba(0,0,0,0.1) 8px
        ),
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 100%
        );
    border-bottom: 8px solid #1A1A1A;
    box-shadow:
        inset 0 4px 0 rgba(255, 255, 255, 0.2),
        inset 0 -4px 0 rgba(0, 0, 0, 0.2);
    image-rendering: pixelated;
}

.minecraft .hero h1 {
    color: #FFFFFF !important;
    font-family: 'Courier New', monospace;
    text-shadow:
        4px 4px 0 rgba(0, 0, 0, 0.9),
        2px 2px 0 rgba(0, 0, 0, 0.5);
    image-rendering: pixelated;
    font-weight: 700;
}

.minecraft .hero .hero-tagline {
    color: #5DCDEA !important;
    font-size: 1.75rem !important;
    font-weight: 700 !important;
    -webkit-text-stroke: 0 !important;
    text-shadow:
        3px 3px 0 rgba(0, 0, 0, 0.9),
        2px 2px 0 rgba(0, 0, 0, 0.5) !important;
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .hero p {
    color: #5DCDEA !important;
    font-size: 1.4rem !important;
    font-weight: 600 !important;
    -webkit-text-stroke: 0 !important;
    text-shadow:
        3px 3px 0 rgba(0, 0, 0, 0.9),
        2px 2px 0 rgba(0, 0, 0, 0.5) !important;
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .hero-button {
    border: 4px solid #1A1A1A;
    box-shadow:
        inset 3px 3px 0 rgba(255, 255, 255, 0.3),
        inset -3px -3px 0 rgba(0, 0, 0, 0.3),
        0 4px 0 rgba(0, 0, 0, 0.5);
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .hero-button:hover {
    box-shadow:
        inset 3px 3px 0 rgba(255, 255, 255, 0.4),
        inset -3px -3px 0 rgba(0, 0, 0, 0.3),
        0 6px 0 rgba(0, 0, 0, 0.5);
}

.minecraft .submit-btn {
    background:
        linear-gradient(180deg,
            #70B070 0%, #70B070 40%,
            #5C9C5C 40%, #5C9C5C 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #8BC08B;
    border-left-color: #8BC08B;
    box-shadow:
        inset 3px 3px 0 rgba(255, 255, 255, 0.3),
        inset -3px -3px 0 rgba(0, 0, 0, 0.3),
        0 4px 0 rgba(0, 0, 0, 0.5);
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

.minecraft .form-group input,
.minecraft .form-group select,
.minecraft .form-group textarea {
    background:
        linear-gradient(180deg,
            #5A5A5A 0%, #5A5A5A 40%,
            #4A4A4A 40%, #4A4A4A 100%
        );
    border: 4px solid #1A1A1A;
    border-top-color: #6A6A6A;
    border-left-color: #6A6A6A;
    box-shadow:
        inset 3px 3px 0 rgba(0, 0, 0, 0.3),
        inset -3px -3px 0 rgba(255, 255, 255, 0.1);
    font-family: 'Courier New', monospace;
    image-rendering: pixelated;
}

/* Castle Theme - Landing Page */
.castle .hero {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 8px,
            rgba(0,0,0,0.15) 8px, rgba(0,0,0,0.15) 9px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 12px,
            rgba(212,175,55,0.1) 12px, rgba(212,175,55,0.1) 13px
        ),
        linear-gradient(
            135deg,
            #464646 0%,
            #323232 50%,
            #1E1E1E 100%
        );
    border-bottom: 4px solid #D4AF37;
    box-shadow:
        0 4px 20px rgba(212, 175, 55, 0.3),
        inset 0 -4px 10px rgba(0, 0, 0, 0.5);
}

.castle .service-card {
    background:
        repeating-linear-gradient(45deg,
            transparent 0px, transparent 2px,
            rgba(212, 175, 55, 0.05) 2px, rgba(212, 175, 55, 0.05) 4px
        ),
        linear-gradient(135deg, rgba(70, 70, 70, 0.95) 0%, rgba(50, 50, 50, 0.95) 100%);
    border: 4px solid #3A3A3A;
    border-top-color: #5A5A5A;
    border-left-color: #5A5A5A;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.9),
        inset 3px 3px 6px rgba(0, 0, 0, 0.4),
        inset -2px -2px 4px rgba(255, 255, 255, 0.05);
}

.castle .service-card:hover {
    box-shadow:
        0 8px 20px rgba(212, 175, 55, 0.4),
        0 0 30px rgba(212, 175, 55, 0.3),
        inset 0 0 25px rgba(212, 175, 55, 0.1),
        inset 3px 3px 6px rgba(0, 0, 0, 0.4);
}

.castle .service-icon {
    background:
        radial-gradient(circle at 30% 30%, #FFD700, #D4AF37, #8B6914);
    border: 3px solid #8B6914;
    box-shadow:
        0 0 20px rgba(212, 175, 55, 0.8),
        inset -3px -3px 6px rgba(0, 0, 0, 0.5),
        inset 2px 2px 4px rgba(255, 215, 0, 0.4);
}

.castle .content-box {
    background:
        repeating-linear-gradient(0deg,
            transparent 0px, transparent 8px,
            rgba(0,0,0,0.15) 8px, rgba(0,0,0,0.15) 9px
        ),
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 12px,
            rgba(0,0,0,0.1) 12px, rgba(0,0,0,0.1) 13px
        ),
        linear-gradient(135deg, #3A3530 0%, #2A2520 100%);
    border: 6px solid #1A1A1A;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        inset 0 0 40px rgba(0, 0, 0, 0.4),
        inset 4px 4px 8px rgba(0, 0, 0, 0.5),
        inset -4px -4px 8px rgba(255, 255, 255, 0.03);
}

.castle .landing-header,
.castle .hero {
    border-image: linear-gradient(180deg, #4A4A4A, #2A2A2A, #1A1A1A) 1;
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.9),
        inset 0 2px 0 rgba(255,215,0,0.1),
        inset 0 -4px 8px rgba(0,0,0,0.5);
}

/* TMNT Theme - Landing Page */
.tmnt .service-card,
.turtle-power .service-card {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.9) 0%, rgba(26, 42, 26, 0.9) 100%);
    border: 4px solid #3A4A3A;
    border-top-color: #4A5A4A;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.9),
        0 0 20px rgba(127, 255, 0, 0.1),
        inset 3px 3px 6px rgba(0, 0, 0, 0.5);
}

.tmnt .service-card:hover,
.turtle-power .service-card:hover {
    border-color: #FF6B1A;
    box-shadow:
        0 8px 20px rgba(255, 107, 26, 0.5),
        0 0 30px rgba(127, 255, 0, 0.3),
        inset 0 0 25px rgba(127, 255, 0, 0.1);
}

.tmnt .service-icon,
.turtle-power .service-icon {
    background:
        radial-gradient(circle at 30% 30%, #FF6B1A, #7FFF00, #4A8B2A);
    border: 3px solid #3A4A3A;
    box-shadow:
        0 0 20px rgba(127, 255, 0, 0.6),
        0 0 30px rgba(255, 107, 26, 0.4),
        inset -3px -3px 6px rgba(0, 0, 0, 0.5);
}

.tmnt .content-box,
.turtle-power .content-box {
    background:
        linear-gradient(135deg, rgba(37, 53, 37, 0.98) 0%, rgba(26, 42, 26, 0.98) 100%);
    border: 6px solid #3A4A3A;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.95),
        0 0 30px rgba(127, 255, 0, 0.2);
}

/* Cyber Blue Theme - Landing Page */
.cyber-blue .service-card {
    background: rgba(13, 20, 25, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.cyber-blue .service-card:hover {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.5), 0 0 50px rgba(255, 107, 0, 0.4);
}

.cyber-blue .service-icon {
    background: linear-gradient(135deg, #FF6B00 0%, #00F0FF 100%);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5), 0 0 10px rgba(255, 107, 0, 0.3);
}

.cyber-blue .content-box {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-blue .landing-header {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00F0FF;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.2);
}

.cyber-blue .hero {
    background:
        linear-gradient(
            135deg,
            rgba(0, 180, 216, 0.85) 0%,
            rgba(0, 119, 182, 0.9) 50%,
            rgba(3, 4, 94, 0.92) 100%
        ),
        url('/images/hero-background.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    border-bottom: 2px solid #00F0FF;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3), 0 2px 10px rgba(255, 107, 0, 0.2);
}

/* Cyber Pink Theme - Landing Page */
.cyber-pink .service-card {
    background: rgba(25, 10, 30, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.2);
}

.cyber-pink .service-card:hover {
    box-shadow: 0 0 25px rgba(255, 0, 245, 0.5), 0 0 50px rgba(0, 212, 255, 0.4);
}

.cyber-pink .service-icon {
    background: linear-gradient(135deg, #00D4FF 0%, #FF00F5 100%);
    box-shadow: 0 0 15px rgba(255, 0, 245, 0.5), 0 0 10px rgba(0, 212, 255, 0.3);
}

.cyber-pink .content-box {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 245, 0.4), 0 0 60px rgba(0, 212, 255, 0.3);
}

.cyber-pink .landing-header {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #FF00F5;
    box-shadow: 0 4px 20px rgba(255, 0, 245, 0.4), 0 0 40px rgba(255, 0, 245, 0.2);
}

.cyber-pink .hero {
    background:
        linear-gradient(
            135deg,
            rgba(255, 0, 245, 0.85) 0%,
            rgba(139, 0, 139, 0.9) 50%,
            rgba(75, 0, 130, 0.92) 100%
        ),
        url('/images/hero-pink.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    border-bottom: 2px solid #FF00F5;
    box-shadow: 0 4px 20px rgba(255, 0, 245, 0.3), 0 2px 10px rgba(0, 212, 255, 0.2);
}

/* Cyber Green Theme - Landing Page */
.cyber-green .service-card {
    background: rgba(10, 20, 10, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.cyber-green .service-card:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.5), 0 0 50px rgba(255, 20, 147, 0.4);
}

.cyber-green .service-icon {
    background: linear-gradient(135deg, #FF1493 0%, #00FF41 100%);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5), 0 0 10px rgba(255, 20, 147, 0.3);
}

.cyber-green .content-box {
    background: rgba(0, 0, 0, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.4), 0 0 60px rgba(255, 20, 147, 0.3);
}

.cyber-green .landing-header {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00FF41;
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.4), 0 0 40px rgba(0, 255, 65, 0.2);
}

.cyber-green .hero {
    background:
        linear-gradient(
            135deg,
            rgba(0, 255, 65, 0.85) 0%,
            rgba(0, 180, 50, 0.9) 50%,
            rgba(0, 100, 30, 0.92) 100%
        ),
        url('/images/hero-green.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    border-bottom: 2px solid #00FF41;
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.3), 0 2px 10px rgba(255, 20, 147, 0.2);
}

/* Cyber Red Theme - Landing Page */
.cyber-red .service-card {
    background: rgba(21, 21, 21, 0.8);
    border: none;
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.2);
}

.cyber-red .service-card:hover {
    box-shadow: 0 0 25px rgba(255, 0, 64, 0.5), 0 0 50px rgba(255, 107, 0, 0.4);
}

.cyber-red .service-icon {
    background: linear-gradient(135deg, #FF6B00 0%, #FF0040 100%);
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.5), 0 0 10px rgba(255, 107, 0, 0.3);
}

.cyber-red .content-box {
    background: rgba(10, 10, 10, 0.8);
    border: none;
    box-shadow: 0 0 30px rgba(255, 0, 64, 0.4), 0 0 60px rgba(255, 107, 0, 0.3);
}

.cyber-red .landing-header {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #FF0040;
    box-shadow: 0 4px 20px rgba(255, 0, 64, 0.4), 0 0 40px rgba(255, 0, 64, 0.2);
}

.cyber-red .hero {
    background:
        linear-gradient(
            135deg,
            rgba(255, 0, 64, 0.85) 0%,
            rgba(180, 0, 40, 0.9) 50%,
            rgba(100, 0, 20, 0.92) 100%
        ),
        url('/images/hero-red.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    border-bottom: 2px solid #FF0040;
    box-shadow: 0 4px 20px rgba(255, 0, 64, 0.3), 0 2px 10px rgba(255, 107, 0, 0.2);
}

/* Dark Theme - Hero Background */
.dark .hero {
    background:
        linear-gradient(
            135deg,
            rgba(15, 15, 15, 0.85) 0%,
            rgba(26, 26, 26, 0.9) 50%,
            rgba(42, 42, 42, 0.92) 100%
        ),
        url('/images/hero-dark.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
}

/* Light Theme - Hero Background */
.light .hero {
    background:
        linear-gradient(
            135deg,
            rgba(240, 244, 248, 0.85) 0%,
            rgba(220, 230, 240, 0.9) 50%,
            rgba(200, 215, 230, 0.92) 100%
        ),
        url('/images/hero-background.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
}

/* Turtle Power Theme - Hero Background */
.turtle-power .hero {
    background:
        linear-gradient(
            135deg,
            rgba(0, 180, 216, 0.85) 0%,
            rgba(0, 119, 182, 0.9) 50%,
            rgba(3, 4, 94, 0.92) 100%
        ),
        url('/images/hero-background.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    border-bottom: 4px solid #00F0FF;
    box-shadow:
        0 4px 20px rgba(0, 240, 255, 0.4),
        0 0 30px rgba(127, 255, 0, 0.3);
}

/* Service Grid - AI Generated Cards in Chat */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.service-card[data-service-uid] {
    margin: 0.5rem;
}

/* Responsive grid based on chat size modes */
.chatbot-window.size-small .service-grid {
    grid-template-columns: 1fr;
}

.chatbot-window.size-medium .service-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.chatbot-window.size-large .service-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.model-card {
    margin: 0.5rem 0;
}