/* PastGo Global Theme System */

:root {
    /* Default theme variables - Golden Sands (Default) */
    --primary-gradient: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
    --secondary-gradient: linear-gradient(135deg, #F4E4BC 0%, #D4AF37 100%);
    --success-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    --bg-primary: rgba(250, 246, 240, 0.95);
    --bg-secondary: rgba(245, 241, 232, 0.9);
    --bg-tertiary: rgba(232, 220, 198, 0.85);
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-light: #5d6d7e;
    --border-color: rgba(212, 175, 55, 0.4);
    --accent-color: #d4af37;
    --primary-gold: #d4af37;
    --sandstone: #c6a664;
    --emerald: #2ecc71;
    --jade: #1abc9c;
    --terracotta: #a0522d;
    --marble: #fdfdfd;
    --glass-bg: rgba(250, 246, 240, 0.6);
    --border-glow: rgba(212, 175, 55, 0.6);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.2);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.15), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.15), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.15), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

/* Golden Sands Theme (Default) */
[data-theme="golden-sands"] {
    --primary-gradient: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
    --secondary-gradient: linear-gradient(135deg, #F4E4BC 0%, #D4AF37 100%);
    --success-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    --bg-primary: rgba(250, 246, 240, 0.95);
    --bg-secondary: rgba(245, 241, 232, 0.9);
    --bg-tertiary: rgba(232, 220, 198, 0.85);
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-light: #5d6d7e;
    --border-color: rgba(212, 175, 55, 0.4);
    --accent-color: #d4af37;
    --glass-bg: rgba(250, 246, 240, 0.6);
    --border-glow: rgba(212, 175, 55, 0.6);
}

/* Midnight Theme */
[data-theme="midnight"] {
    --primary-gradient: linear-gradient(135deg, #f4d03f 0%, #f39c12 100%);
    --secondary-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --success-gradient: linear-gradient(135deg, #1abc9c 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #d4af37 0%, #c6a664 100%);
    --bg-primary: rgba(20, 20, 30, 0.8);
    --bg-secondary: rgba(25, 25, 40, 0.7);
    --bg-tertiary: rgba(30, 30, 50, 0.6);
    --text-primary: #f5f5f5;
    --text-secondary: #e0e0e0;
    --text-light: #b8b8b8;
    --border-color: rgba(212, 175, 55, 0.3);
    --accent-color: #f4d03f;
    --glass-bg: rgba(20, 20, 30, 0.4);
    --border-glow: rgba(244, 208, 63, 0.4);
}

/* Golden Sands Theme */
[data-theme="golden-sands"] {
    --primary-gradient: linear-gradient(135deg, #FAF6F0 0%, #F5F1E8 50%, #E8DCC6 100%);
    --secondary-gradient: linear-gradient(135deg, #d4af37 0%, #f39c12 100%);
    --success-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    --bg-primary: rgba(250, 246, 240, 0.95);
    --bg-secondary: rgba(245, 241, 232, 0.9);
    --bg-tertiary: rgba(232, 220, 198, 0.85);
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-light: #5d6d7e;
    --border-color: rgba(212, 175, 55, 0.4);
    --accent-color: #d4af37;
    --glass-bg: rgba(250, 246, 240, 0.6);
    --border-glow: rgba(212, 175, 55, 0.6);
}

/* Emerald Temple Theme */
[data-theme="emerald-temple"] {
    --primary-gradient: linear-gradient(135deg, #0f2027 0%, #1a3332 50%, #2c5530 100%);
    --secondary-gradient: linear-gradient(135deg, #1abc9c 0%, #2ecc71 100%);
    --success-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    --bg-primary: rgba(15, 32, 39, 0.9);
    --bg-secondary: rgba(26, 51, 50, 0.8);
    --bg-tertiary: rgba(44, 85, 48, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #e8f8f5;
    --text-light: #a8e6cf;
    --border-color: rgba(46, 204, 113, 0.3);
    --accent-color: #1abc9c;
    --glass-bg: rgba(15, 32, 39, 0.4);
    --border-glow: rgba(46, 204, 113, 0.4);
}

/* Royal Purple Theme */
[data-theme="royal-purple"] {
    --primary-gradient: linear-gradient(135deg, #1a0f27 0%, #2c1a43 50%, #3d2864 100%);
    --secondary-gradient: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    --success-gradient: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --warning-gradient: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --bg-primary: rgba(26, 15, 39, 0.9);
    --bg-secondary: rgba(44, 26, 67, 0.8);
    --bg-tertiary: rgba(61, 40, 100, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #f4ecf7;
    --text-light: #d7c4e9;
    --border-color: rgba(155, 89, 182, 0.3);
    --accent-color: #9b59b6;
    --glass-bg: rgba(26, 15, 39, 0.4);
    --border-glow: rgba(155, 89, 182, 0.4);
}

/* Theme-specific body backgrounds (applied via JavaScript) */
html[data-theme="golden-sands"] body,
body[data-theme="golden-sands"] {
    background: linear-gradient(135deg, #FAF6F0 0%, #F5F1E8 15%, #F0E6D2 30%, #E8DCC6 50%, #DDD1B8 70%, #D4C5A9 85%, #C8B99C 100%) !important;
    background-attachment: fixed !important;
}

html[data-theme="midnight"] body,
body[data-theme="midnight"] {
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #1a1f3b) !important;
    background-size: 400% 400% !important;
    background-attachment: fixed !important;
    animation: gradientShift 20s ease infinite !important;
}

body[data-theme="emerald-temple"] {
    background: linear-gradient(135deg, #0f2027 0%, #1a3332 50%, #2c5530 100%) !important;
    background-attachment: fixed !important;
}

body[data-theme="royal-purple"] {
    background: linear-gradient(135deg, #1a0f27 0%, #2c1a43 50%, #3d2864 100%) !important;
    background-attachment: fixed !important;
}

/* Animated background overlays for all themes */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    animation: themeShimmer 30s ease-in-out infinite alternate;
}

/* Smooth gradient animation for midnight theme */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

body[data-theme="golden-sands"]::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(184, 134, 11, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(139, 116, 82, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
}

body[data-theme="midnight"]::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(244, 208, 63, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(243, 156, 18, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(46, 204, 113, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(26, 188, 156, 0.08) 0%, transparent 50%);
}

body[data-theme="emerald-temple"]::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(46, 204, 113, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(26, 188, 156, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(22, 160, 133, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(39, 174, 96, 0.08) 0%, transparent 50%);
}

body[data-theme="royal-purple"]::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(155, 89, 182, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(142, 68, 173, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(231, 76, 60, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(243, 156, 18, 0.08) 0%, transparent 50%);
}

@keyframes themeShimmer {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.05) rotate(1deg);
        opacity: 0.9;
    }

    100% {
        transform: scale(1.02) rotate(-0.5deg);
        opacity: 0.8;
    }
}

/* Global theme compatibility classes */
.theme-aware-bg {
    background: var(--bg-primary) !important;
}

.theme-aware-text {
    color: var(--text-primary) !important;
}

.theme-aware-border {
    border-color: var(--border-color) !important;
}

.theme-aware-accent {
    color: var(--accent-color) !important;
}

.theme-aware-gradient {
    background: var(--primary-gradient) !important;
}

/* Midnight theme card styling */
body[data-theme="midnight"] .card,
body[data-theme="midnight"] .course-card,
body[data-theme="midnight"] .stat-card {
    background: rgba(20, 20, 30, 0.8) !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(244, 208, 63, 0.2) !important;
}

/* Midnight theme button styling */
body[data-theme="midnight"] .button,
body[data-theme="midnight"] .btn,
body[data-theme="midnight"] button {
    background: linear-gradient(135deg, #f4d03f, #f39c12) !important;
    color: #111 !important;
    border: none !important;
    border-radius: 12px !important;
    font-weight: bold !important;
    transition: transform 0.2s ease !important;
}

body[data-theme="midnight"] .button:hover,
body[data-theme="midnight"] .btn:hover,
body[data-theme="midnight"] button:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 4px 12px rgba(244, 208, 63, 0.3) !important;
}