/* Web 3.0 Futuristic Design System with Glassmorphism */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #475569;
    --border-color: rgba(15, 23, 42, 0.1);

    /* Brand Colors - Blue Theme (No Teal) */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #06b6d4;
    --accent: #10b981;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-hover: 0 16px 48px 0 rgba(31, 38, 135, 0.25);

    /* Neon Glow */
    --neon-primary: 0 0 20px rgba(59, 130, 246, 0.5), 0 0 40px rgba(59, 130, 246, 0.3);
    --neon-accent: 0 0 20px rgba(245, 158, 11, 0.5), 0 0 40px rgba(245, 158, 11, 0.3);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
}

/* Dark Mode - Default */
:root, [data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);

    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-bg-strong: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --glass-shadow-hover: 0 16px 48px 0 rgba(0, 0, 0, 0.5);
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #475569;
    --border-color: rgba(15, 23, 42, 0.1);

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-hover: 0 16px 48px 0 rgba(31, 38, 135, 0.25);
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 80px;
    transition: background var(--transition-base), color var(--transition-base);
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: backgroundPulse 15s ease-in-out infinite;
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Grid Pattern Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.page-content,
.container {
    position: relative;
    z-index: 2;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    gap: 0.375rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 0.375rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-base);
    position: fixed;
    bottom: 10px;
    left: 110px;
    z-index: 1000;
}

.theme-toggle:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.theme-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
    opacity: 0.6;
}

.theme-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.theme-btn.active {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    opacity: 1;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

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

/* Modern Buttons with Defined Borders and Shadows */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-color: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.7), 0 4px 10px rgba(0, 0, 0, 0.4);
    transform: translateY(-3px);
    border-color: var(--primary);
}

.btn-secondary {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4), 0 3px 6px rgba(0, 0, 0, 0.3);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--neon-primary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes glow {
    0%, 100% { box-shadow: var(--neon-primary); }
    50% { box-shadow: var(--neon-accent); }
}

/* Utility Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .theme-toggle {
        bottom: 10px;
        left: 110px;
    }
}

/* Glassmorphic Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--space-6);
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.nav-brand:hover {
    transform: translateY(-2px);
}

.nav-logo {
    filter: drop-shadow(0 4px 12px rgba(14, 165, 233, 0.4));
    transition: all var(--transition-base);
}

.nav-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-base);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

[data-theme="light"] .nav-logo-img {
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

.nav-brand:hover .nav-logo {
    filter: drop-shadow(0 8px 20px rgba(14, 165, 233, 0.6));
    transform: rotate(5deg);
}

.nav-brand:hover .nav-logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.nav-brand-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::before {
    width: 60%;
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
}

/* Page Hero Section */
.page-hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: var(--text-primary);
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

/* FAQ Styles */
.faq-category {
    margin-bottom: 3rem;
}

.faq-category h2 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

.faq-question {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 4rem 0;
    text-align: center;
    border-top: 2px solid var(--border-color);
    position: relative;
}

.cta-section h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2rem;
}

/* Form Elements */
select, input[type="text"], input[type="email"], input[type="password"], input[type="number"], textarea {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-family: 'Space Grotesk', sans-serif;
    transition: all var(--transition-fast);
}

select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Admin Uniform Header Styles */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.admin-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* ==========================
   LIGHT MODE COMPREHENSIVE FIX
   ========================== */

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

[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6 {
    color: var(--text-primary) !important;
}

[data-theme="light"] p,
[data-theme="light"] span,
[data-theme="light"] div,
[data-theme="light"] li {
    color: var(--text-primary);
}

[data-theme="light"] a:not(.btn) {
    color: var(--primary);
}

[data-theme="light"] .btn,
[data-theme="light"] .btn-primary,
[data-theme="light"] .btn-large,
[data-theme="light"] button.btn-primary {
    color: white !important;
}

[data-theme="light"] .nav-links a:not(.btn),
[data-theme="light"] .nav-link {
    color: var(--text-primary) !important;
}

[data-theme="light"] .nav-links a:not(.btn):hover,
[data-theme="light"] .nav-link:hover {
    color: var(--primary) !important;
}

[data-theme="light"] .text-secondary {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .glass-card,
[data-theme="light"] .feature-card,
[data-theme="light"] .pricing-card {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.95);
}