/* CSBench — Page Components: Dark Theme */

/* ========================================
   Navigation
   ======================================== */
nav {
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(12px) saturate(1.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.2);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    transition: color var(--t-fast);
    position: relative;
    padding: 0.85rem 1rem;
    letter-spacing: 0.01em;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--t-base);
    border-radius: 1px;
}

nav a:hover {
    color: var(--primary);
}

nav a:hover::after,
nav a.active::after {
    width: 60%;
}

nav a.active {
    color: var(--primary);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--t-base);
}

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

.card h3 {
    color: var(--primary);
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
}

/* ========================================
   Grids
   ======================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

/* ========================================
   Pipeline
   ======================================== */
.pipeline-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.pipeline-stages {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.2rem 0;
}

.pipeline-stage {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--t-base);
}

.pipeline-stage:hover {
    border-color: var(--primary-border);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.stage-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: var(--text-inverse);
    font-size: 1rem;
    font-weight: 800;
    font-family: var(--font-mono);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 12px rgba(6, 214, 160, 0.2);
}

.stage-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.stage-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   Figures
   ======================================== */
.figure-wrap {
    margin-top: 1.5rem;
    text-align: center;
}

.figure-wrap img {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.figure-caption {
    margin-top: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ========================================
   Failure Cards
   ======================================== */
.failure-card {
    transition: all var(--t-base) !important;
}

.failure-card:hover {
    transform: translateY(-3px) !important;
}

.failure-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.failure-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   Metrics
   ======================================== */
.metric-panel,
.metric-card {
    border-radius: var(--radius-md);
    padding: 1.1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
}

.metric-panel h3,
.metric-card h3 {
    color: var(--primary);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.8rem;
    border-top: 1px solid var(--border);
    padding: 0.7rem 0;
}

.metric-row:first-of-type {
    border-top: none;
    padding-top: 0;
}

.metric-row .label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.metric-row .value {
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    white-space: nowrap;
}

/* ========================================
   Results Note
   ======================================== */
.results-note {
    margin-top: 1.2rem;
    background: var(--bg-surface);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1rem 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.92rem;
}

/* ========================================
   News
   ======================================== */
.news-section {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 209, 102, 0.15);
    border-left: 4px solid var(--accent);
}

/* ========================================
   Resources / Buttons
   ======================================== */
.resources {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.resource-btn {
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    border: 1px solid var(--primary-border);
    font-weight: 600;
    font-size: 0.85rem;
    background: transparent;
    color: var(--primary);
    transition: all var(--t-base);
}

.resource-btn:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
}

.resource-btn.primary {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: transparent;
}

.resource-btn.primary:hover {
    box-shadow: 0 4px 16px rgba(6, 214, 160, 0.3);
}

/* ========================================
   Citation
   ======================================== */
.citation-box {
    margin-top: 1rem;
    background: var(--bg-secondary);
    color: var(--primary);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    border: 1px solid var(--border);
    overflow-x: auto;
    position: relative;
}

.citation-box pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ========================================
   Footer
   ======================================== */
footer {
    margin-top: 2rem;
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    nav {
        gap: 0;
    }

    nav a {
        padding: 0.6rem 0.6rem;
        font-size: 0.78rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .pipeline-stage {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}