/* SVA Professional Theme - Aligned with getsva.com */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* SVA Brand Colors */
    --sva-primary: #00D09C;
    --sva-primary-dark: #00B88A;
    --sva-primary-light: #00E8B0;
    --sva-secondary: #0A1929;
    --sva-secondary-light: #132F4C;
    --sva-accent: #00E8B0;
    
    /* Light Mode */
    --bg-primary: #F5F7FA;
    --bg-secondary: #FFFFFF;
    --text-primary: #0A1929;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
    --bg-primary: #0A1929;
    --bg-secondary: #132F4C;
    --text-primary: #F5F7FA;
    --text-secondary: #94A3B8;
    --border-color: #1E3A5F;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 32px;
    margin: 20px auto 30px;
    box-shadow: var(--card-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 20px;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--sva-primary);
    text-decoration: none;
}

.navbar-brand::before {
    content: "S";
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--sva-primary), var(--sva-primary-light));
    color: var(--sva-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
}

.navbar-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navbar a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
}

.navbar a:hover {
    background: var(--bg-primary);
    color: var(--sva-primary);
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--sva-primary), var(--sva-primary-light));
    color: var(--sva-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px 0 rgba(0, 208, 156, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px 0 rgba(0, 208, 156, 0.4);
    background: linear-gradient(135deg, var(--sva-primary-light), var(--sva-primary));
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    box-shadow: var(--card-shadow);
}

.btn-danger {
    background: #EF4444;
    color: white;
    box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: #DC2626;
    box-shadow: 0 8px 20px 0 rgba(239, 68, 68, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--sva-primary);
    color: var(--sva-primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--sva-primary);
    color: var(--sva-secondary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    gap: 6px;
}

.badge-success {
    background: rgba(0, 208, 156, 0.1);
    color: var(--sva-primary);
    border: 1px solid rgba(0, 208, 156, 0.2);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Block Items */
.block-item {
    background: var(--bg-primary);
    border-left: 4px solid var(--sva-primary);
    padding: 20px;
    margin: 12px 0;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.block-item:hover {
    transform: translateX(4px);
    box-shadow: var(--card-shadow);
    border-left-color: var(--sva-primary-light);
}

.block-item strong {
    color: var(--sva-primary);
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
}

.block-item.verified {
    background: linear-gradient(135deg, rgba(0, 208, 156, 0.05), rgba(0, 232, 176, 0.05));
    border-left-color: var(--sva-primary-light);
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Typography */
h1 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    color: var(--sva-primary);
    margin: 24px 0 16px 0;
    font-size: 24px;
    font-weight: 600;
}

h3 {
    color: var(--text-primary);
    margin: 16px 0 12px 0;
    font-size: 20px;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--sva-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin: 16px 0;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
    border-left-color: #3B82F6;
}

.alert-success {
    background: rgba(0, 208, 156, 0.1);
    color: var(--sva-primary);
    border-left-color: var(--sva-primary);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
    border-left-color: #F59E0B;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-radius: 24px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--sva-primary), var(--sva-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

/* Section Divider */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 40px 0;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

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

/* Code Block */
.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    overflow-x: auto;
    margin: 16px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .navbar-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 24px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--sva-primary);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}