/* OpenClaw Agent Feeds - Vibrant Restoration & SEO Optimized Style */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700;900&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary-blue: #1a73e8;
    --primary-green: #34a853;
    --hero-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 25%, #2193b0 50%, #6dd5ed 75%, #00c853 100%);
    /* Refining gradient to match screenshot more closely */
    --vibrant-gradient: linear-gradient(105deg, #1565C0 0%, #1976D2 30%, #009688 70%, #43A047 100%);
    
    --text-dark: #202124;
    --text-muted: #3c4043;
    --bg-light: #ffffff;
    --bg-smoke: #f8f9fa;
    --border-color: #dadce0;
    
    --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);
}

body {
    font-family: 'Noto Sans TC', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Navbar Restoration */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-blue) !important;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-blue) !important;
}

.nav-link.active {
    color: var(--primary-blue) !important;
    font-weight: 700;
}

.btn-fb-follow {
    background-color: #1877f2;
    color: white !important;
    border-radius: 20px;
    padding: 6px 20px;
    font-weight: 600;
}

/* Vibrant Hero Section (Based on Reference) */
.hero-section {
    background: var(--vibrant-gradient);
    padding: 140px 0 100px;
    color: white;
    text-align: center;
}

.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-section p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.8;
}

/* Buffet Section Header */
.buffet-header {
    margin-top: -50px;
    background: white;
    padding: 40px 30px;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -10px 25px rgba(0,0,0,0.05);
    text-align: center;
}

.buffet-header h2 {
    color: var(--primary-blue);
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.buffet-header p {
    color: var(--text-muted);
}

/* Filter Navigation */
.filter-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 2rem 0 1rem;
}

.filter-nav.mt-0 {
    margin-top: 0 !important;
    margin-bottom: 3rem;
}

.filter-btn {
    background: white;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    padding: 10px 24px;
    border-radius: 50rem;
    font-weight: 600;
    transition: all 0.3s;
    white-space: nowrap;
}

.filter-btn:hover {
    background: #e8f0fe;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

/* Feed Cards - High Contrast Light Theme */
.service-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-8px);
}

.category-badge {
    color: var(--primary-blue);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.btn-view-spec {
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    border-radius: 50rem;
    padding: 8px 20px;
    font-weight: 600;
    transition: all 0.2s;
    background: white;
}

.btn-view-spec:hover {
    background: var(--primary-blue);
    color: white;
}

/* Footer Implementation */
.site-footer {
    background-color: var(--bg-smoke);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-brand {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: block;
    text-decoration: none;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Modal Styling */
.modal-content {
    border-radius: 20px;
    border: none;
    overflow: hidden;
}

.modal-header {
    background: var(--bg-smoke);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.modal-title {
    color: var(--primary-blue);
    font-weight: 800;
}

.modal-body {
    padding: 2.5rem;
}

/* Marked Content Styles */
.markdown-content {
    color: var(--text-dark);
}

.markdown-content h1, .markdown-content h2, .markdown-content h3 {
    color: var(--primary-blue);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.markdown-content pre {
    background: #f1f3f4;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
}

.markdown-content code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    color: #d81b60;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-nav {
        background: white;
        padding: 1rem;
        border-radius: 12px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        margin-top: 1rem;
    }
}