/* ========================================
   THEME SYSTEM - DARK & LIGHT MODE
   Premium Golden/Yellow Design
   ======================================== */

:root {
    /* Light Mode - Premium Golden Theme */
    --primary-gold: #D4AF37;
    --primary-dark: #B8941E;
    --primary-light: #E5C158;

    --secondary-amber: #FFA500;
    --accent-bronze: #CD7F32;
    --accent-warm: #FF8C00;

    /* Text Colors */
    --text-primary: #1F1F1F;
    --text-secondary: #545454;
    --text-tertiary: #767676;
    --text-light: #FFFFFF;
    --text-gold: #B8941E;
    --text-on-gold: #FFFFFF;
    --text-muted: #9CA3AF;

    /* Background Colors */
    --bg-primary: #FFFBF0;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #FFF8E7;
    --bg-card: #FFFFFF;
    --bg-hover: #F5F5F0;
    --bg-input: #FFFFFF;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Border & Divider */
    --border-color: #E5DCC5;
    --border-light: #F0EBD8;
    --border-gold: #D4AF37;
    --border-input: #E5E7EB;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(184, 148, 30, 0.1);
    --shadow-md: 0 4px 6px rgba(184, 148, 30, 0.15);
    --shadow-lg: 0 10px 20px rgba(184, 148, 30, 0.2);
    --shadow-xl: 0 20px 40px rgba(184, 148, 30, 0.25);
    --shadow-gold: 0 4px 12px rgba(212, 175, 55, 0.3);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-gold), var(--secondary-amber));
    --gradient-card: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(255, 165, 0, 0.05));
    --gradient-hero: linear-gradient(135deg, #D4AF37 0%, #FFA500 50%, #CD7F32 100%);

    /* FAQ & Accordion specific */
    --faq-number-color: var(--primary-gold);
    --faq-bg: var(--bg-card);
    --faq-hover-bg: var(--bg-tertiary);
    --faq-border: var(--border-light);

    /* Testimonial specific */
    --quote-icon-color: var(--primary-gold);
    --testimonial-bg: var(--bg-card);
    --testimonial-border: var(--border-light);

    /* Certificate specific */
    --certificate-bg: #F0FFF4;
    --certificate-border: #22C55E;

    /* Icon colors */
    --icon-primary: var(--primary-gold);
    --icon-secondary: #6B7280;

    /* Mappings for compatibility */
    --bg-light: var(--bg-primary);
    --bg-white: var(--bg-secondary);
    --bg-cream: var(--bg-tertiary);
    --bg-gray: #F5F5F0;
}

/* ========================================
   DARK MODE THEME
   Premium Black & Golden
   ======================================== */
[data-theme="dark"] {
    /* Brand Colors - Premium Gold */
    --primary-gold: #FFD700;
    --primary-dark: #D4AF37;
    --primary-light: #FFED4E;

    --secondary-amber: #FFA500;
    --accent-bronze: #CD7F32;
    --accent-warm: #FF8C00;

    /* Text Colors - High Contrast */
    --text-primary: #FFFFFF;
    --text-secondary: #E5E7EB;
    --text-tertiary: #9CA3AF;
    --text-light: #FFFFFF;
    --text-gold: #FFD700;
    --text-on-gold: #000000;
    --text-muted: #6B7280;

    /* Background Colors - Pure Black */
    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #1A1A1A;
    --bg-card: #111111;
    --bg-hover: #1F1F1F;
    --bg-input: #1A1A1A;
    --bg-overlay: rgba(0, 0, 0, 0.8);

    /* Borders - Golden Accents */
    --border-color: rgba(255, 215, 0, 0.2);
    --border-light: rgba(255, 215, 0, 0.1);
    --border-gold: rgba(255, 215, 0, 0.6);
    --border-input: rgba(255, 215, 0, 0.2);

    /* Shadows - Golden Glows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.8);
    --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.3), 0 0 40px rgba(255, 215, 0, 0.1);
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.5), 0 0 1px rgba(255, 215, 0, 0.2);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-card: linear-gradient(145deg, rgba(26, 26, 26, 0.95), rgba(0, 0, 0, 0.98));
    --gradient-hero: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #CD7F32 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.95));

    /* FAQ & Accordion specific */
    --faq-number-color: var(--primary-gold);
    --faq-bg: var(--bg-card);
    --faq-hover-bg: var(--bg-hover);
    --faq-border: var(--border-color);

    /* Testimonial specific */
    --quote-icon-color: var(--primary-gold);
    --testimonial-bg: var(--bg-card);
    --testimonial-border: var(--border-color);

    /* Certificate specific */
    --certificate-bg: rgba(34, 197, 94, 0.1);
    --certificate-border: #22C55E;

    /* Icon colors */
    --icon-primary: var(--primary-gold);
    --icon-secondary: #9CA3AF;

    /* Premium Elements */
    --glass-bg: rgba(10, 10, 10, 0.9);
    --glass-border: 1px solid rgba(255, 215, 0, 0.2);
    --neon-glow: 0 0 15px rgba(255, 215, 0, 0.6);
    --gold-shimmer: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.3), transparent);

    /* Mappings for compatibility */
    --bg-light: var(--bg-primary);
    --bg-white: var(--bg-secondary);
    --bg-cream: var(--bg-tertiary);
    --bg-gray: var(--bg-tertiary);
}

/* ========================================
   GLOBAL THEME TRANSITIONS
   ======================================== */
*,
*::before,
*::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Disable transition on page load */
.no-transition * {
    transition: none !important;
}

/* ========================================
   BODY & HTML THEME STYLES
   ======================================== */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] body {
    background-color: #000000;
}

/* ========================================
   THEME TOGGLE BUTTON
   ======================================== */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-gold);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    width: 26px;
    height: 26px;
    color: white;
    transition: transform 0.5s ease;
}

.theme-toggle.rotating svg {
    transform: rotate(360deg);
}

/* ========================================
   GLASSMORPHISM EFFECTS
   ======================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .glass-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.15);
}

/* ========================================
   GOLD GLOW EFFECTS
   ======================================== */
.glow-gold {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

[data-theme="dark"] .glow-gold {
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.4);
}

/* Subtle gold border glow */
.gold-border-glow {
    border: 1px solid var(--primary-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

[data-theme="dark"] .gold-border-glow {
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-gold {
    color: var(--text-gold);
}

.bg-gold {
    background: var(--gradient-primary);
}

.border-gold {
    border-color: var(--border-gold);
}

/* ========================================
   RESPONSIVE THEME TOGGLE
   ======================================== */
@media (max-width: 768px) {
    .theme-toggle {
        width: 48px;
        height: 48px;
        bottom: 20px;
        right: 20px;
    }

    .theme-toggle svg {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 480px) {
    .theme-toggle {
        width: 44px;
        height: 44px;
        bottom: 16px;
        right: 16px;
    }

    .theme-toggle svg {
        width: 20px;
        height: 20px;
    }
}