:root {
    --bg-body: #f8faf9;
    --bg-surface: #ffffff;
    --bg-subtle: #f1f5f3;
    --text-primary: #19211d;
    --text-secondary: #526059;
    --text-muted: #84948c;
    --accent: #2e7d4f;
    --accent-hover: #24643f;
    --accent-subtle: #e8f3ec;
    --border-color: #e2e8e4;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
    --radius: 12px;
    --radius-sm: 8px;
}

[data-theme="dark"] {
    --bg-body: #0d1210;
    --bg-surface: #141b17;
    --bg-subtle: #1c2520;
    --text-primary: #e6ede8;
    --text-secondary: #9cb0a4;
    --text-muted: #64786d;
    --accent: #48a86f;
    --accent-hover: #5ec086;
    --accent-subtle: #182e21;
    --border-color: #233028;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 6px 16px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-body: #0d1210;
        --bg-surface: #141b17;
        --bg-subtle: #1c2520;
        --text-primary: #e6ede8;
        --text-secondary: #9cb0a4;
        --text-muted: #64786d;
        --accent: #48a86f;
        --accent-hover: #5ec086;
        --accent-subtle: #182e21;
        --border-color: #233028;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
        --shadow-md: 0 6px 16px rgba(0,0,0,0.4);
    }
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}

.brand-badge {
    background: var(--accent-subtle);
    color: var(--accent);
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 26px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.15s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle-btn {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, transform 0.15s;
}

.theme-toggle-btn:hover {
    background: var(--accent-subtle);
    transform: scale(1.05);
}

.burger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--text-primary);
}

.burger-icon {
    width: 22px;
    height: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.burger-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
}

/* Page Containers */
.container {
    max-width: 1040px;
    margin: 28px auto 60px;
    padding: 0 24px;
}

.hero-banner {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 36px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    background-color: var(--accent-subtle);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--accent);
}

.hero-title {
    font-size: 1.6rem;
    line-height: 1.3;
    margin: 0 0 12px 0;
    letter-spacing: -0.02em;
}

.hero-lead {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 820px;
    line-height: 1.65;
}

/* 2-Column Main Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    height: 28px;
}

.section-title {
    font-size: 1.18rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.articles {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.article-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.tag {
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.article-title {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 10px 0;
    color: var(--text-primary);
}

.article-card:hover .article-title {
    color: var(--accent);
}

.article-excerpt {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.55;
}

.read-more-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent);
}

/* Sidebar & Widgets */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 14px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.widget-title span:first-child {
    white-space: nowrap;
    overflow: hidden;
    
}

.station-status {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.85rem;
}

.station-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.station-name {
    color: var(--text-primary);
    font-weight: 500;
}

.badge-live {
    background: #e6f7ec;
    color: #1b8042;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    white-space: nowrap;
}

.badge-archived {
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    white-space: nowrap;
}

.live-pulse {
    display: inline-block;
    width: 7px;
    height: 7px;
    background-color: #28a745;
    border-radius: 50%;
    margin-right: 5px;
    box-shadow: 0 0 0 rgba(40, 167, 69, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    70% { box-shadow: 0 0 0 5px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

.bullet-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.88rem;
}

.bullet-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

.bullet-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.bullet-list span.val {
    font-weight: 600;
    color: var(--text-primary);
}

/* Single page / Article layout */
.layout-single {
    max-width: 820px;
    margin: 28px auto 60px;
    padding: 0 24px;
}

.breadcrumbs {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 18px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.breadcrumbs a {
    color: var(--accent);
    text-decoration: none;
}

.post-header {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.post-title {
    font-size: 1.75rem;
    line-height: 1.3;
    margin: 12px 0 16px 0;
    letter-spacing: -0.02em;
}

.post-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.post-content h2 {
    font-size: 1.28rem;
    margin: 32px 0 14px 0;
    letter-spacing: -0.01em;
}

.post-content p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
}

.post-content ul, .post-content ol {
    margin: 0 0 20px 20px;
    padding: 0;
    color: var(--text-secondary);
}

.post-content li {
    margin-bottom: 8px;
}

.post-content blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    background-color: var(--bg-subtle);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.88rem;
}

.data-table th, .data-table td {
    padding: 10px 14px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--bg-subtle);
    font-weight: 600;
}

.data-table tr:nth-child(even) td {
    background-color: var(--bg-subtle);
}

.chart-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px;
    margin: 24px 0;
    font-family: monospace;
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--text-secondary);
    overflow-x: auto;
}

.player-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.player-btn {
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s;
}

.player-btn:hover {
    background: var(--accent-hover);
}

.player-status {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.wave-canvas {
    width: 100%;
    height: 40px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.journal-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.journal-filter-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.journal-filter-btn:hover, .journal-filter-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.error-404-container {
    text-align: center;
    padding: 40px 20px;
}

.error-code {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.04em;
}

.error-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.error-desc {
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto 24px;
}

footer {
    max-width: 1040px;
    margin: 50px auto 30px;
    padding: 24px 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Responsive */
@media (max-width: 860px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .burger-btn {
        display: block;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        gap: 0;
        padding: 12px 24px 18px;
        box-shadow: var(--shadow-md);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
    }
    .nav-links li:last-child {
        border-bottom: none;
    }
    .nav-links a {
        font-size: 1rem;
        display: block;
    }
    .hero-banner {
        padding: 24px 20px;
    }
    .hero-title {
        font-size: 1.35rem;
    }
    footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}