:root {
    /* Background */
    --bg-primary: #000000;
    --bg-elevated: #0a0f14;
    --bg-surface: #111820;
    --bg-card: rgba(10, 15, 20, 0.85);
    --bg-card-hover: rgba(15, 22, 30, 0.9);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --text-disabled: rgba(255, 255, 255, 0.2);
    
    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(255, 255, 255, 0.15);
    --border-strong: rgba(255, 255, 255, 0.25);

    /* Module Colors */
    /* Teal - AI Chat Basics */
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    --teal-glow: rgba(20, 184, 166, 0.3);
    
    /* Blue - Model Selection */
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;
    --blue-glow: rgba(59, 130, 246, 0.3);
    
    /* Purple - Multimodal */
    --purple-50: #faf5ff;
    --purple-100: #f3e8ff;
    --purple-200: #e9d5ff;
    --purple-300: #d8b4fe;
    --purple-400: #c084fc;
    --purple-500: #a855f7;
    --purple-600: #9333ea;
    --purple-700: #7e22ce;
    --purple-800: #6b21a8;
    --purple-900: #581c87;
    --purple-glow: rgba(168, 85, 247, 0.3);
    --purple-muted: #a78bfa;
    
    /* Yellow - Prompt Craft (Bright Lemon) */
    --amber-50: #fefce8;
    --amber-100: #fef9c3;
    --amber-200: #fef08a;
    --amber-300: #fde047;
    --amber-400: #fde047;
    --amber-500: #facc15;
    --amber-600: #eab308;
    --amber-700: #ca8a04;
    --amber-800: #a16207;
    --amber-900: #854d0e;
    --amber-glow: rgba(253, 224, 71, 0.45);

    /* Yellow - Pro Tips / Anyra Pro (Gold) */
    --yellow-300: #fde047;
    --yellow-400: #facc15;
    --yellow-500: #eab308;
    --yellow-glow: rgba(250, 204, 21, 0.3);
    
    /* Orange - Gemini in Classroom (Vibrant Coral) */
    --orange-50: #fff7ed;
    --orange-100: #ffedd5;
    --orange-200: #fed7aa;
    --orange-300: #fdba74;
    --orange-400: #fb923c;
    --orange-500: #fb923c;
    --orange-600: #f97316;
    --orange-700: #ea580c;
    --orange-800: #c2410c;
    --orange-900: #9a3412;
    --orange-glow: rgba(251, 146, 60, 0.35);
    
    /* Pink - Custom Gems */
    --pink-50: #fdf2f8;
    --pink-100: #fce7f3;
    --pink-200: #fbcfe8;
    --pink-300: #f9a8d4;
    --pink-400: #f472b6;
    --pink-500: #ec4899;
    --pink-600: #db2777;
    --pink-700: #be185d;
    --pink-800: #9d174d;
    --pink-900: #831843;
    --pink-glow: rgba(236, 72, 153, 0.3);
    
    /* Green - NotebookLM */
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --green-glow: rgba(34, 197, 94, 0.3);
    
    /* Slate - Privacy & Security */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-glow: rgba(100, 116, 139, 0.3);

    /* n8n-Style Colors - Pro Tips / Power User */
    --n8n-orange: #ff6b00;
    --n8n-orange-light: #ff8a3d;
    --n8n-orange-bright: #ffb366;
    --n8n-coral: #fb923c;
    --n8n-glow: rgba(255, 107, 0, 0.4);
    --n8n-glow-soft: rgba(255, 107, 0, 0.2);
    --n8n-bg-dark: #0a0a0b;
    --n8n-bg-card: rgba(20, 18, 25, 0.95);
    --n8n-bg-card-alt: rgba(30, 25, 35, 0.95);
    --n8n-purple-accent: rgba(139, 92, 246, 0.3);
    --n8n-border: rgba(255, 107, 0, 0.3);

    /* Semantic Colors */
    --success: #22c55e;
    --success-muted: rgba(34, 197, 94, 0.15);
    --warning: #f59e0b;
    --warning-muted: rgba(245, 158, 11, 0.15);
    --error: #ef4444;
    --error-muted: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-muted: rgba(59, 130, 246, 0.15);
    
    /* Interactive */
    --focus-ring: rgba(59, 130, 246, 0.5);
    --hover-overlay: rgba(255, 255, 255, 0.05);
    --active-overlay: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    /* Type Scale - Mobile First (slightly larger for readability) */
    --text-xs: 0.8125rem;    /* 13px, was 12px */
    --text-sm: 0.9375rem;    /* 15px, was 14px */
    --text-base: 1.0625rem;  /* 17px, was 16px */
    --text-lg: 1.1875rem;    /* 19px, was 18px */
    --text-xl: 1.375rem;     /* 22px, was 20px */
    --text-2xl: 1.625rem;    /* 26px, was 24px */
    --text-3xl: 2rem;        /* 32px, was 30px */
    --text-4xl: 2.5rem;      /* 40px, was 36px */
    --text-5xl: 3.25rem;     /* 52px, was 48px */
    --text-6xl: 4rem;        /* 64px, was 60px */

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.65;

    /* Letter Spacing */
    --tracking-tighter: -0.03em;
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.02em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* Spacing */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    
    /* Animation Tokens */
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;
    
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* Desktop: Larger typography for accessibility (age 50+ friendly) */
@media (min-width: 1024px) {
    :root {
        --text-xs: 1rem;         /* 16px - minimum readable */
        --text-sm: 1.125rem;     /* 18px */
        --text-base: 1.25rem;    /* 20px */
        --text-lg: 1.375rem;     /* 22px */
        --text-xl: 1.625rem;     /* 26px */
        --text-2xl: 2rem;        /* 32px */
        --text-3xl: 2.5rem;      /* 40px */
        --text-4xl: 3rem;        /* 48px */
        --text-5xl: 3.75rem;     /* 60px */
        --text-6xl: 4.5rem;      /* 72px */
    }
}

/* ==========================================================================
   LIGHT MODE (Additive - Dark mode remains default and untouched)
   Toggle via data-theme="light" on <html>
   Matches UI Library glass morphism pattern
   ========================================================================== */

[data-theme="light"] {
    /* Background - Soft off-white base */
    --bg-primary: #F9FAFB;
    --bg-elevated: #FFFFFF;
    --bg-surface: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.65);
    --bg-card-hover: rgba(255, 255, 255, 0.8);

    /* Text - Dark */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --text-disabled: rgba(15, 23, 42, 0.3);

    /* Borders - Navy-tinted for warmth */
    --border-subtle: rgba(2, 6, 23, 0.05);
    --border-default: rgba(2, 6, 23, 0.08);
    --border-accent: rgba(2, 6, 23, 0.12);
    --border-strong: rgba(2, 6, 23, 0.20);

    /* Interactive - Dark overlays */
    --hover-overlay: rgba(0, 0, 0, 0.04);
    --active-overlay: rgba(0, 0, 0, 0.08);

    /* Shadows - Navy-tinted for warmth (matching UI library) */
    --shadow-sm: 0 1px 3px rgba(2, 6, 23, 0.04), 0 1px 2px rgba(2, 6, 23, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(2, 6, 23, 0.06), 0 2px 4px -2px rgba(2, 6, 23, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(2, 6, 23, 0.08), 0 4px 6px -4px rgba(2, 6, 23, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(2, 6, 23, 0.10), 0 8px 10px -6px rgba(2, 6, 23, 0.04);

    /* Glow effects - Boosted for visible accents */
    --teal-glow: rgba(20, 184, 166, 0.25);
    --blue-glow: rgba(59, 130, 246, 0.25);
    --purple-glow: rgba(168, 85, 247, 0.25);
    --amber-glow: rgba(253, 224, 71, 0.30);
    --yellow-glow: rgba(250, 204, 21, 0.25);
    --orange-glow: rgba(251, 146, 60, 0.28);
    --pink-glow: rgba(236, 72, 153, 0.25);
    --green-glow: rgba(34, 197, 94, 0.25);
    --slate-glow: rgba(100, 116, 139, 0.25);
    --n8n-glow: rgba(255, 107, 0, 0.30);
    --n8n-glow-soft: rgba(255, 107, 0, 0.15);

    /* Glass morphism tokens */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-elevated: rgba(255, 255, 255, 0.85);
    --glass-blur: 12px;
    --glass-shadow: 0 10px 15px rgba(2, 6, 23, 0.06);

    /* n8n backgrounds for light mode */
    --n8n-bg-dark: #f8fafc;
    --n8n-bg-card: rgba(255, 255, 255, 0.65);
    --n8n-bg-card-alt: rgba(248, 250, 252, 0.85);
    --n8n-border: rgba(255, 107, 0, 0.2);
}

/* Light mode body background */
[data-theme="light"] {
    background: var(--bg-elevated) !important;
}

/* Light mode: Glass morphism cards (matching UI library pattern) */
[data-theme="light"] .glass,
[data-theme="light"] .glass-card,
[data-theme="light"] .glass-elevated {
    background: var(--glass-bg);
    backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    -webkit-backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    border: 1px solid var(--border-default);
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .glass:hover,
[data-theme="light"] .glass-card:hover,
[data-theme="light"] .glass-elevated:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(2, 6, 23, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
}

/* Light mode: Sidebar - glass treatment */
[data-theme="light"] .module-sidebar {
    background: var(--glass-bg-elevated);
    backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    -webkit-backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    border-color: var(--border-default);
    box-shadow: var(--glass-shadow);
}

/* Light mode: Header - glass treatment */
[data-theme="light"] .header,
[data-theme="light"] header {
    background: var(--glass-bg-elevated);
    backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    -webkit-backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    border-color: var(--border-default);
    box-shadow: 0 1px 3px rgba(2, 6, 23, 0.06);
}

/* Light mode: Step indicators in sidebar */
[data-theme="light"] .sidebar-step .step-indicator {
    background: var(--bg-surface);
}

[data-theme="light"] .sidebar-step.active .step-indicator {
    background: color-mix(in srgb, var(--module-color) 15%, white);
}

[data-theme="light"] .sidebar-step.completed .step-indicator {
    background: linear-gradient(135deg, var(--module-color), var(--module-color-dark));
}

/* Light mode: Buttons */
[data-theme="light"] .btn-secondary,
[data-theme="light"] .sidebar-footer-btn {
    background: var(--bg-surface);
    border-color: var(--border-default);
    color: var(--text-primary);
}

[data-theme="light"] .btn-secondary:hover,
[data-theme="light"] .sidebar-footer-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-accent);
}

/* Primary buttons need white text in both modes */
.btn-primary,
.btn.btn-primary,
button[class*="btn-primary"] {
    color: #ffffff !important;
}

/* Light mode: Ensure primary buttons stay white */
[data-theme="light"] .btn-primary,
[data-theme="light"] .btn.btn-primary,
[data-theme="light"] button[class*="btn-primary"] {
    color: #ffffff !important;
}

/* Light mode: Transform shiny buttons to glass tab style (UI library pattern) */
[data-theme="light"] .btn-module-shiny,
[data-theme="light"] .btn--shiny {
    background: rgba(17, 24, 39, 0.92) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15),
                inset 0 0 0 1px rgba(255, 255, 255, 0.06) !important;
    animation: none !important;
    overflow: visible;
    color: #ffffff !important;
}

/* Gradient underlay (skewed, reveals on hover) */
[data-theme="light"] .btn-module-shiny::before,
[data-theme="light"] .btn--shiny::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    width: 60% !important;
    height: 100% !important;
    background: linear-gradient(135deg, #3B82F6, #06B6D4, #10B981) !important;
    border-radius: inherit !important;
    transform: translateX(-50%) skewX(15deg) !important;
    transform-origin: center center !important;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
    opacity: 0 !important;
    z-index: -1 !important;
    filter: none !important;
    pointer-events: none !important;
    inset: auto !important;
}

/* Glow blur (behind button, reveals on hover) */
[data-theme="light"] .btn-module-shiny::after,
[data-theme="light"] .btn--shiny::after {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 50% !important;
    width: 90% !important;
    height: 100% !important;
    background: linear-gradient(135deg, #3B82F6, #06B6D4, #10B981) !important;
    border-radius: inherit !important;
    transform: translateX(-50%) skewX(15deg) !important;
    transform-origin: center center !important;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
    filter: blur(20px) !important;
    opacity: 0 !important;
    z-index: -2 !important;
    pointer-events: none !important;
}

[data-theme="light"] .btn-module-shiny:hover,
[data-theme="light"] .btn--shiny:hover {
    border-color: rgba(255, 255, 255, 0.2) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2),
                inset 0 0 0 1px rgba(255, 255, 255, 0.08) !important;
}

[data-theme="light"] .btn-module-shiny:hover::before,
[data-theme="light"] .btn-module-shiny:hover::after,
[data-theme="light"] .btn--shiny:hover::before,
[data-theme="light"] .btn--shiny:hover::after {
    transform: translateX(-50%) skewX(0deg) scaleX(1.2) !important;
    opacity: 0.7 !important;
}

/* Ensure shiny button text/icons stay above pseudo-elements */
[data-theme="light"] .btn-module-shiny span,
[data-theme="light"] .btn-module-shiny i,
[data-theme="light"] .btn-module-shiny svg,
[data-theme="light"] .btn--shiny span,
[data-theme="light"] .btn--shiny i,
[data-theme="light"] .btn--shiny svg {
    position: relative;
    z-index: 2;
    color: #ffffff !important;
}

/* Light mode: Sidebar needs full light treatment */
[data-theme="light"] .module-sidebar {
    background: var(--glass-bg-elevated) !important;
    backdrop-filter: saturate(1.2) blur(var(--glass-blur)) !important;
    -webkit-backdrop-filter: saturate(1.2) blur(var(--glass-blur)) !important;
    color: var(--text-primary);
}

[data-theme="light"] .module-sidebar * {
    color: inherit;
}

[data-theme="light"] .sidebar-header .sidebar-title,
[data-theme="light"] .module-sidebar .sidebar-title {
    color: #0f172a !important;
}

[data-theme="light"] .sidebar-header .sidebar-subtitle,
[data-theme="light"] .module-sidebar .sidebar-subtitle {
    color: var(--module-color) !important;
}

[data-theme="light"] .sidebar-step .step-title,
[data-theme="light"] .module-sidebar [class*="step-title"] {
    color: #334155 !important;
}

[data-theme="light"] .sidebar-step .step-subtitle,
[data-theme="light"] .module-sidebar [class*="step-subtitle"] {
    color: #64748b !important;
}

[data-theme="light"] .sidebar-step.active .step-title {
    color: #0f172a !important;
}

[data-theme="light"] .sidebar-step .step-indicator,
[data-theme="light"] .module-sidebar [class*="step-indicator"] {
    color: #64748b !important;
    background: #f1f5f9 !important;
}

[data-theme="light"] .sidebar-step.active .step-indicator {
    color: var(--module-color) !important;
    background: color-mix(in srgb, var(--module-color) 15%, white) !important;
}

[data-theme="light"] .sidebar-step.completed .step-indicator {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--module-color), var(--module-color-dark)) !important;
}

[data-theme="light"] .sidebar-toggle {
    background: #f1f5f9 !important;
    border-color: rgba(0, 0, 0, 0.1) !important;
    color: #64748b !important;
}

[data-theme="light"] .sidebar-toggle:hover {
    background: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="light"] .sidebar-footer {
    border-color: rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .sidebar-footer-btn {
    background: #f1f5f9 !important;
    border-color: rgba(0, 0, 0, 0.1) !important;
    color: #334155 !important;
}

[data-theme="light"] .sidebar-footer-btn:hover {
    background: #e2e8f0 !important;
}

/* ==========================================================================
   Light Mode: Override inline-styled dark cards throughout modules
   These use inline styles so we need [style*=""] attribute selectors
   ========================================================================== */

/* Target any element with dark rgba background inline styles */
[data-theme="light"] [style*="rgba(10, 15, 20"],
[data-theme="light"] [style*="rgba(15, 22, 30"],
[data-theme="light"] [style*="rgba(0, 0, 0, 0.85"],
[data-theme="light"] [style*="rgba(0, 0, 0, 0.7"],
[data-theme="light"] [style*="background: #0"],
[data-theme="light"] [style*="background:#0"] {
    background: rgba(255, 255, 255, 0.65) !important;
    border-color: rgba(2, 6, 23, 0.08) !important;
    box-shadow: 0 10px 15px rgba(2, 6, 23, 0.06) !important;
}

/* Target elements with white/light border meant for dark mode */
[data-theme="light"] [style*="border: 1px solid rgba(255, 255, 255"],
[data-theme="light"] [style*="border:1px solid rgba(255, 255, 255"] {
    border-color: rgba(2, 6, 23, 0.08) !important;
}

/* Keep backdrop blur in light mode (glass morphism) */
[data-theme="light"] [style*="backdrop-filter"] {
    backdrop-filter: saturate(1.2) blur(12px) !important;
    -webkit-backdrop-filter: saturate(1.2) blur(12px) !important;
}

/* Code blocks in light mode */
[data-theme="light"] [style*="background: rgba(0,0,0,0.3)"],
[data-theme="light"] [style*="background: rgba(0, 0, 0, 0.3)"],
[data-theme="light"] [style*="background:rgba(0,0,0"] {
    background: #f1f5f9 !important;
}

/* Ensure text in converted cards is readable */
[data-theme="light"] [style*="rgba(10, 15, 20"] *,
[data-theme="light"] [style*="rgba(15, 22, 30"] * {
    color: inherit;
}

[data-theme="light"] [style*="rgba(10, 15, 20"] p,
[data-theme="light"] [style*="rgba(15, 22, 30"] p {
    color: #334155 !important;
}

[data-theme="light"] [style*="rgba(10, 15, 20"] code,
[data-theme="light"] [style*="rgba(15, 22, 30"] code {
    color: #64748b !important;
}

/* Headers/labels that use module color should stay colored */
[data-theme="light"] [style*="rgba(10, 15, 20"] [style*="color: var(--"],
[data-theme="light"] [style*="rgba(15, 22, 30"] [style*="color: var(--"] {
    /* Keep module colors as-is */
}

/* Ambient/gradient backgrounds - keep visible in light mode */
[data-theme="light"] [style*="radial-gradient"][style*="position: fixed"] {
    opacity: 0.4 !important;
}

/* Slide ambient backgrounds */
[data-theme="light"] .slide-ambient {
    opacity: 0.35 !important;
}

/* Progress bars and indicators inside cards */
[data-theme="light"] [style*="rgba(10, 15, 20"] [style*="background: var(--"],
[data-theme="light"] [style*="rgba(15, 22, 30"] [style*="background: var(--"] {
    /* Keep colored elements as-is */
}

/* Border highlights in light mode */
[data-theme="light"] [style*="border-bottom: 1px solid rgba(255, 255, 255"] {
    border-color: rgba(0, 0, 0, 0.08) !important;
}

/* Success/completion banners */
[data-theme="light"] [style*="background: rgba(34, 197, 94"] {
    background: rgba(34, 197, 94, 0.15) !important;
}

/* ==========================================================================
   Light Mode: Specific component overrides
   ========================================================================== */

/* Sorting game cards and buckets */
[data-theme="light"] .sorting-task-card,
[data-theme="light"] .shiny-selected {
    background: rgba(255, 255, 255, 0.65) !important;
    border-color: rgba(2, 6, 23, 0.08) !important;
}

[data-theme="light"] .sorting-bucket {
    background: rgba(255, 255, 255, 0.65) !important;
    border-color: rgba(2, 6, 23, 0.08) !important;
    box-shadow: 0 10px 15px rgba(2, 6, 23, 0.06) !important;
}

[data-theme="light"] .sorting-bucket:hover {
    background: rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 6px 15px rgba(2, 6, 23, 0.08) !important;
    transform: translateY(-1px);
}

[data-theme="light"] .sorting-bucket-desc {
    color: #64748b !important;
}

/* Progress bars with white background meant for dark mode */
[data-theme="light"] [style*="background: rgba(255,255,255,0.1)"],
[data-theme="light"] [style*="background: rgba(255, 255, 255, 0.1)"] {
    background: rgba(0, 0, 0, 0.08) !important;
}

/* Quiz answer options */
[data-theme="light"] .quiz-option,
[data-theme="light"] [class*="quiz-option"] {
    background: rgba(255, 255, 255, 0.65) !important;
    border-color: rgba(2, 6, 23, 0.08) !important;
}

[data-theme="light"] .quiz-option:hover {
    background: rgba(255, 255, 255, 0.8) !important;
    border-color: rgba(59, 130, 246, 0.15) !important;
    transform: translateY(-1px);
}

/* Header navigation in light mode */
[data-theme="light"] .nav-btn,
[data-theme="light"] [class*="nav-btn"] {
    color: #334155 !important;
}

[data-theme="light"] .nav-btn:hover {
    background: rgba(0, 0, 0, 0.05) !important;
}

/* Sub-navigation dots background */
[data-theme="light"] .header-sub-nav,
[data-theme="light"] [class*="header-sub-nav"] {
    background: rgba(0, 0, 0, 0.05) !important;
    border-color: rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .sub-btn {
    color: #64748b !important;
}

/* Presentation slides - general content cards */
[data-theme="light"] .presentation-slide [style*="background: rgba(10"],
[data-theme="light"] .presentation-slide [style*="background: rgba(0, 0, 0"] {
    background: rgba(255, 255, 255, 0.65) !important;
}

/* Mock interface components */
[data-theme="light"] [style*="background: #1e1f20"],
[data-theme="light"] [style*="background:#1e1f20"],
[data-theme="light"] [style*="background: #131314"],
[data-theme="light"] [style*="background:#131314"] {
    background: #f1f5f9 !important;
}

/* Text that uses var(--text-primary) should work automatically,
   but explicit white text needs to flip */
[data-theme="light"] [style*="color: #fff"],
[data-theme="light"] [style*="color:#fff"],
[data-theme="light"] [style*="color: white"],
[data-theme="light"] [style*="color:white"] {
    color: #0f172a !important;
}

/* But keep white text on colored backgrounds (buttons, badges) */
[data-theme="light"] .btn-primary [style*="color"],
[data-theme="light"] [style*="background: linear-gradient"] [style*="color: white"],
[data-theme="light"] [style*="background: var(--"] [style*="color: white"] {
    color: #ffffff !important;
}

/* ==================== MOCK GEMINI UI STYLES ==================== */

/* Dark mode defaults for Mock Gemini UI */
.mock-gemini-ui {
    background: #131314;
    border: 1px solid #333;
}

.mock-gemini-sidebar {
    background: #1e1f20;
    border-right: 1px solid #333;
}

.mock-gemini-main {
    background: #131314;
}

.mock-gemini-header {
    color: #e3e3e3;
    border-bottom: 1px solid #333;
}

.mock-gemini-title {
    color: #e3e3e3;
}

.mock-gemini-newchat-btn {
    background: #313235;
    color: #e3e3e3;
    border: 1px solid #444;
}

.mock-gemini-chat-item {
    color: #e3e3e3;
}

.mock-gemini-chat-item:hover {
    background: #313235;
}

.mock-gemini-settings-btn {
    color: #888;
}

.mock-gemini-settings-btn span {
    color: #e3e3e3;
}

.mock-gemini-label {
    color: #888;
}

.mock-gemini-prompt {
    background: #1e1f20;
    border: 1px solid #444;
}

.mock-gemini-input {
    color: #e3e3e3;
}

.mock-gemini-input::placeholder {
    color: #888;
}

.mock-gemini-icon-btn {
    color: #888;
    border: none !important;
    outline: none;
    background: transparent;
}

.mock-gemini-send-btn {
    background: #313235;
    color: #888;
}

.mock-gemini-chip {
    background: #1e1f20;
    color: #e3e3e3;
    border: 1px solid #444;
}

.mock-gemini-chip:hover {
    background: #313235;
}

.mock-gemini-headline {
    color: #e3e3e3;
}

.mock-gemini-sidebar-footer {
    border-top: 1px solid #333;
}

/* Light mode overrides for Mock Gemini UI - matches real Gemini light mode */
/* These target both CSS classes AND inline styles with attribute selectors */

[data-theme="light"] .mock-gemini-ui {
    background: #ffffff !important;
    border-color: #e5e7eb !important;
}

[data-theme="light"] .mock-gemini-sidebar {
    background: #f8f9fa !important;
    border-color: #e5e7eb !important;
}

[data-theme="light"] .mock-gemini-main {
    background: #ffffff !important;
}

[data-theme="light"] .mock-gemini-header {
    color: #1f1f1f !important;
    border-color: transparent !important;
}

[data-theme="light"] .mock-gemini-newchat-btn {
    background: transparent !important;
    color: #1f1f1f !important;
    border: 1px solid #e5e7eb !important;
}

[data-theme="light"] .mock-gemini-newchat-btn:hover {
    background: #f1f3f4 !important;
}

[data-theme="light"] .mock-gemini-chat-item {
    color: #1f1f1f !important;
}

[data-theme="light"] .mock-gemini-chat-item:hover {
    background: #e8eaed !important;
}

[data-theme="light"] .mock-gemini-settings-btn {
    color: #5f6368 !important;
}

[data-theme="light"] .mock-gemini-settings-btn span {
    color: #1f1f1f !important;
}

[data-theme="light"] .mock-gemini-label {
    color: #5f6368 !important;
}

/* Prompt box - white with subtle shadow like real Gemini */
[data-theme="light"] .mock-gemini-prompt {
    background: #ffffff !important;
    border: 1px solid #dfe1e5 !important;
    box-shadow: 0 1px 6px rgba(32, 33, 36, 0.1) !important;
}

[data-theme="light"] .mock-gemini-prompt input::placeholder {
    color: #80868b !important;
}

[data-theme="light"] .mock-gemini-icon-btn {
    color: #5f6368 !important;
    border: none !important;
    outline: none;
    background: transparent !important;
}

[data-theme="light"] .mock-gemini-send-btn {
    background: #e8eaed !important;
    color: #5f6368 !important;
}

/* Quick action chips - cream/beige color like real Gemini */
[data-theme="light"] .mock-gemini-chip {
    background: #f0ebe1 !important;
    color: #1f1f1f !important;
    border: none !important;
}

[data-theme="light"] .mock-gemini-chip:hover {
    background: #e4dfd5 !important;
}

/* Welcome text and headlines */
[data-theme="light"] .mock-gemini-welcome-text {
    color: #1f1f1f !important;
}

[data-theme="light"] .mock-gemini-headline {
    color: #1f1f1f !important;
}

[data-theme="light"] .mock-gemini-placeholder {
    color: #5f6368 !important;
}

/* Section headers in sidebar */
[data-theme="light"] .mock-gemini-section-header {
    color: #5f6368 !important;
}

/* Title text ("Gemini") */
[data-theme="light"] .mock-gemini-title {
    color: #1f1f1f !important;
}

/* Input text */
[data-theme="light"] .mock-gemini-input {
    color: #1f1f1f !important;
}

[data-theme="light"] .mock-gemini-input::placeholder {
    color: #80868b !important;
}

/* Sidebar footer border */
[data-theme="light"] .mock-gemini-sidebar-footer {
    border-top: 1px solid #e5e7eb !important;
}

/* ==================== MOCK HUB UI STYLES ==================== */

/* Dark mode defaults for Mock Hub UI */
.mock-hub-ui {
    background: #0a0a0f;
}

/* Ambient glow - purple/pink radial gradient */
.mock-hub-ambient {
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(168, 85, 247, 0.15), transparent 50%),
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(236, 72, 153, 0.1), transparent 40%),
        radial-gradient(ellipse 50% 40% at 70% 30%, rgba(59, 130, 246, 0.08), transparent 40%);
}

/* Dot pattern overlay */
.mock-hub-dots {
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.6;
}

.mock-hub-header {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(8px);
}

.mock-hub-title {
    color: #ffffff;
}

.mock-hub-nav-btn {
    color: rgba(255, 255, 255, 0.7);
}

.mock-hub-nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mock-hub-main {
    background: transparent;
}

.mock-hub-view-toggle {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.mock-hub-toggle-btn {
    background: transparent;
    color: rgba(255, 255, 255, 0.5);
}

.mock-hub-toggle-btn.mock-hub-toggle-active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}


/* Mock Hub category styles removed - now using real .category-card classes from components.css */

/* ==================== LIGHT MODE: Mock Hub UI ==================== */

[data-theme="light"] .mock-hub-ui {
    background: #f8fafc !important;
}

/* Light mode: Boosted ambient glow - visible purple/blue tint */
[data-theme="light"] .mock-hub-ambient {
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(168, 85, 247, 0.12), transparent 50%),
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(236, 72, 153, 0.08), transparent 40%),
        radial-gradient(ellipse 50% 40% at 70% 30%, rgba(59, 130, 246, 0.08), transparent 40%) !important;
}

/* Light mode: Subtle dot pattern */
[data-theme="light"] .mock-hub-dots {
    background-image: radial-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px) !important;
    background-size: 24px 24px !important;
    opacity: 0.8 !important;
}

[data-theme="light"] .mock-hub-header {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: saturate(1.2) blur(12px) !important;
    -webkit-backdrop-filter: saturate(1.2) blur(12px) !important;
}

[data-theme="light"] .mock-hub-title {
    color: #0f172a !important;
}

[data-theme="light"] .mock-hub-nav-btn {
    color: #64748b !important;
}

[data-theme="light"] .mock-hub-nav-btn:hover {
    background: rgba(0, 0, 0, 0.05) !important;
}

[data-theme="light"] .mock-hub-main {
    background: transparent !important;
}

[data-theme="light"] .mock-hub-view-toggle {
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
}

[data-theme="light"] .mock-hub-toggle-btn {
    background: transparent !important;
    color: #64748b !important;
}

[data-theme="light"] .mock-hub-toggle-btn.mock-hub-toggle-active {
    background: #ffffff !important;
    color: #0f172a !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

/* Light mode: Mock category styles removed - now using real .category-card classes */

/* ==================== LIGHT MODE: Featured Card ==================== */

/* Light mode featured card - glass fill with animated border */
[data-theme="light"] .featured-card {
    background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)) padding-box,
        conic-gradient(
            from var(--featured-gradient-angle),
            transparent 0%,
            var(--pink-400) 5%,
            var(--pink-300) 15%,
            var(--purple-300) 25%,
            var(--pink-400) 35%,
            transparent 45%
        ) border-box !important;
    backdrop-filter: saturate(1.2) blur(12px);
    -webkit-backdrop-filter: saturate(1.2) blur(12px);
    box-shadow:
        inset 0 0 0 1px rgba(2, 6, 23, 0.04),
        0 0 25px rgba(236, 72, 153, 0.20),
        0 10px 15px rgba(2, 6, 23, 0.06) !important;
}

[data-theme="light"] .featured-card::before {
    background: radial-gradient(circle at 50% 120%, rgba(236, 72, 153, 0.08), transparent 60%) !important;
}

[data-theme="light"] .featured-card::after {
    background: radial-gradient(circle at 2px 2px, rgba(0, 0, 0, 0.15) 0.5px, transparent 0) padding-box !important;
    opacity: 0.3 !important;
}

[data-theme="light"] .featured-card:hover {
    transform: translateY(-2px);
    box-shadow:
        inset 0 0 0 1px rgba(2, 6, 23, 0.06),
        0 10px 40px rgba(236, 72, 153, 0.25),
        0 6px 15px rgba(2, 6, 23, 0.08) !important;
}

[data-theme="light"] .featured-card-icon {
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.25) !important;
}

[data-theme="light"] .featured-card-label {
    color: var(--pink-500) !important;
}

[data-theme="light"] .featured-card-title {
    background: linear-gradient(135deg, var(--pink-500), var(--purple-500)) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .featured-card-desc {
    color: #64748b !important;
}

[data-theme="light"] .featured-card-arrow {
    color: var(--pink-500) !important;
}

/* ==================== LIGHT MODE: Category Cards ==================== */

/* Light mode category cards - glass morphism with hover glow */
[data-theme="light"] .category-card {
    background: rgba(255, 255, 255, 0.65) !important;
    backdrop-filter: saturate(1.2) blur(12px) !important;
    -webkit-backdrop-filter: saturate(1.2) blur(12px) !important;
    border: 1px solid rgba(2, 6, 23, 0.08) !important;
    box-shadow: 0 10px 15px rgba(2, 6, 23, 0.06) !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .category-card:hover {
    transform: translateY(-2px);
    border-color: var(--category-color) !important;
    box-shadow: 0 6px 15px rgba(2, 6, 23, 0.08), 0 0 25px var(--category-glow) !important;
}

[data-theme="light"] .category-card-icon {
    background: color-mix(in srgb, var(--category-color) 12%, transparent) !important;
}

[data-theme="light"] .category-card-title {
    color: #0f172a !important;
}

[data-theme="light"] .category-card-desc {
    color: #64748b !important;
}

[data-theme="light"] .category-card-label {
    color: var(--category-color) !important;
}

[data-theme="light"] .category-card-progress-ring span {
    color: #334155 !important;
}

[data-theme="light"] .category-card-arrow {
    color: #94a3b8 !important;
}

[data-theme="light"] .category-card:hover .category-card-arrow {
    color: var(--category-color) !important;
}

/* ==================== LIGHT MODE: Gradient Text Cycle ==================== */

/* Light mode needs darker, more saturated colors for the cycling text */
[data-theme="light"] .gradient-text-cycle {
    background: linear-gradient(
        135deg,
        #0f172a 0%,
        #0d9488 20%,
        #14b8a6 40%,
        #7c3aed 60%,
        #a855f7 80%,
        #0f172a 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .gradient-text-cycle--teal {
    background: linear-gradient(
        135deg,
        #0f766e 0%,
        #14b8a6 20%,
        #7c3aed 50%,
        #a855f7 70%,
        #14b8a6 90%,
        #0f766e 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .gradient-text-cycle--purple {
    background: linear-gradient(
        135deg,
        #6b21a8 0%,
        #7c3aed 20%,
        #8b5cf6 40%,
        #a855f7 60%,
        #7c3aed 80%,
        #6b21a8 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .gradient-text-cycle--blue {
    background: linear-gradient(
        135deg,
        #1d4ed8 0%,
        #2563eb 20%,
        #3b82f6 40%,
        #60a5fa 60%,
        #2563eb 80%,
        #1d4ed8 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .gradient-text-cycle--amber {
    background: linear-gradient(
        135deg,
        #b45309 0%,
        #d97706 20%,
        #f59e0b 40%,
        #fbbf24 60%,
        #d97706 80%,
        #b45309 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="light"] .gradient-text-cycle--pink {
    background: linear-gradient(
        135deg,
        #be185d 0%,
        #db2777 20%,
        #ec4899 40%,
        #f472b6 60%,
        #db2777 80%,
        #be185d 100%
    ) !important;
    background-size: 200% 200% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* ==================== LIGHT MODE: Path Cards ==================== */

/* Light mode path cards - glass morphism */
[data-theme="light"] .path-card {
    background: rgba(255, 255, 255, 0.65) !important;
    backdrop-filter: saturate(1.2) blur(12px);
    -webkit-backdrop-filter: saturate(1.2) blur(12px);
    border: 1px solid rgba(2, 6, 23, 0.08) !important;
    box-shadow: 0 10px 15px rgba(2, 6, 23, 0.06) !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .path-card::before {
    background: radial-gradient(circle at 50% 0%, rgba(2, 6, 23, 0.02) 0%, transparent 60%) !important;
}

[data-theme="light"] .path-card:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.15) !important;
    box-shadow: 0 6px 15px rgba(2, 6, 23, 0.08), 0 0 20px rgba(59, 130, 246, 0.12) !important;
}

/* Recommended card variant - subtle purple tint with glass */
[data-theme="light"] .path-card--recommended {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.08) 0%, rgba(255, 255, 255, 0.65) 100%) !important;
    border-color: var(--purple-300) !important;
    box-shadow: 0 10px 15px rgba(2, 6, 23, 0.06), 0 0 20px rgba(168, 85, 247, 0.12) !important;
}

[data-theme="light"] .path-card--recommended:hover {
    transform: translateY(-2px);
    border-color: var(--purple-400) !important;
    box-shadow: 0 6px 15px rgba(2, 6, 23, 0.08), 0 0 30px rgba(168, 85, 247, 0.18) !important;
}

/* Path card text colors for light mode */
[data-theme="light"] .path-card__title {
    color: #0f172a !important;
}

[data-theme="light"] .path-card__subtitle {
    color: #64748b !important;
}

[data-theme="light"] .path-card__description {
    color: #475569 !important;
}

/* CTA buttons - keep colored but adjust for light backgrounds */
[data-theme="light"] .path-card__cta--blue {
    color: var(--blue-600) !important;
    background: rgba(59, 130, 246, 0.1) !important;
}

[data-theme="light"] .path-card:hover .path-card__cta--blue {
    background: rgba(59, 130, 246, 0.15) !important;
    color: var(--blue-700) !important;
}

[data-theme="light"] .path-card__cta--teal {
    color: var(--teal-600) !important;
    background: rgba(20, 184, 166, 0.1) !important;
}

[data-theme="light"] .path-card:hover .path-card__cta--teal {
    background: rgba(20, 184, 166, 0.15) !important;
    color: var(--teal-700) !important;
}

/* Icon shadows - softer in light mode */
[data-theme="light"] .path-card__icon--blue {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25) !important;
}

[data-theme="light"] .path-card:hover .path-card__icon--blue {
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.35) !important;
}

[data-theme="light"] .path-card__icon--teal {
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.25) !important;
}

[data-theme="light"] .path-card:hover .path-card__icon--teal {
    box-shadow: 0 8px 28px rgba(20, 184, 166, 0.35) !important;
}