/* RTL Arena — leaderboard page. Ported from the internal RTLArena dashboard
   and retuned to the marketing site's tokens (IBM Plex, violet single accent). */

.arena-hero {
    padding: 7rem 0 3.5rem;
    text-align: center;
}

.arena-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: rgba(22, 22, 26, 0.6);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.arena-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.14);
}

.arena-hero h1 {
    margin: 1.5rem auto 1.25rem;
    max-width: 20ch;
    font-size: clamp(2.1rem, 4.6vw, 3.4rem);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -0.022em;
}

.arena-hero h1 .accent { color: var(--primary-light); }

.arena-lede {
    max-width: 60ch;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.075rem;
    line-height: 1.65;
}

.arena-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1px;
    margin: 3rem auto 0;
    max-width: 780px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.arena-stat {
    flex: 1 1 160px;
    padding: 1.4rem 1rem;
    background: rgba(16, 16, 19, 0.7);
    backdrop-filter: blur(18px) saturate(130%);
}

.arena-stat .n {
    font-family: var(--font-mono);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.arena-stat .l {
    margin-top: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.arena-section { padding: 4.5rem 0; }

.arena-section-head { margin-bottom: 1.75rem; }

.arena-eyebrow {
    display: block;
    margin-bottom: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.arena-section-head h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.arena-section-sub {
    max-width: 72ch;
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.97rem;
    line-height: 1.7;
}

.arena-panel {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(16, 16, 19, 0.62);
    backdrop-filter: blur(18px) saturate(130%);
    overflow: hidden;
}

.arena-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--border-subtle);
}

.arena-filter {
    padding: 0.38rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.arena-filter:hover { color: var(--text-primary); border-color: var(--text-muted); }

.arena-filter.is-active {
    color: var(--text-primary);
    border-color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
}

.arena-toolbar-spacer { flex: 1; }

.arena-updated {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-muted);
}

.arena-table-scroll { overflow-x: auto; }

table.arena-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.arena-table thead th {
    position: sticky;
    top: 0;
    padding: 0.8rem 0.9rem;
    background: rgba(12, 12, 15, 0.94);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.arena-table thead th:first-child,
.arena-table thead th:nth-child(2) { text-align: left; }

.arena-table thead th:hover { color: var(--text-secondary); }

.arena-table thead th .sort-caret {
    margin-left: 0.3rem;
    opacity: 0;
    font-size: 0.65rem;
}

.arena-table thead th.is-sorted { color: var(--primary-light); }
.arena-table thead th.is-sorted .sort-caret { opacity: 1; }

.arena-table tbody td {
    padding: 0.72rem 0.9rem;
    border-bottom: 1px solid var(--border-subtle);
    text-align: right;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.arena-table tbody tr:hover td { background: rgba(139, 92, 246, 0.045); }

.arena-table td.col-rank {
    width: 3.2rem;
    text-align: left;
    color: var(--text-muted);
}

.arena-table td.col-model {
    text-align: left;
    white-space: normal;
    font-family: var(--font-sans);
}

.arena-model-name {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
}

.arena-model-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.18rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.arena-provider-dot {
    width: 7px;
    height: 7px;
    border-radius: 2px;
    flex: none;
}

.arena-variant {
    padding: 0.05rem 0.36rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.arena-table td.col-combined {
    color: var(--text-primary);
    font-weight: 600;
}

.arena-ci {
    margin-left: 0.3rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
}

/* Inline pass-rate bar behind the combined score. */
.arena-bar {
    position: relative;
    display: block;
    height: 3px;
    margin-top: 0.4rem;
    border-radius: 2px;
    background: var(--border-subtle);
}

.arena-bar > span {
    position: absolute;
    inset: 0 auto 0 0;
    border-radius: 2px;
    background: var(--primary-color);
}

.arena-table tbody tr.rank-1 td.col-combined { color: #fff; }
.arena-table tbody tr.rank-1 .arena-bar > span { background: var(--primary-light); }

.arena-table-foot {
    display: flex;
    justify-content: center;
    padding: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.arena-more-btn {
    padding: 0.5rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.arena-more-btn:hover { color: var(--text-primary); border-color: var(--text-muted); }

.arena-empty {
    padding: 2.5rem;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* --- Charts (cost frontier + failure taxonomy) --- */

.arena-chart-body { padding: 1.5rem; }

.arena-note-line {
    max-width: 78ch;
    margin-bottom: 1.25rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--border-subtle);
    border-left: 2px solid var(--text-muted);
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.arena-note-line code {
    font-family: var(--font-mono);
    font-size: 0.95em;
    color: var(--text-secondary);
}

.arena-chart-scroll { overflow-x: auto; }
.arena-chart-scroll svg { display: block; width: 100%; height: auto; min-width: 640px; }

.chart-grid-line { stroke: var(--border-subtle); }
.chart-axis-line { stroke: var(--border-color); }

.chart-axis-label {
    fill: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.chart-series-line {
    fill: none;
    stroke-width: 1.5;
    opacity: 0.55;
}

.chart-marker {
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.chart-marker:hover { opacity: 0.75; }

.arena-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-subtle);
}

.legend-group-title {
    margin-bottom: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.28rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-swatch {
    width: 9px;
    height: 9px;
    flex: none;
}

/* Failure taxonomy bars */
.tax-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.tax-row {
    display: grid;
    grid-template-columns: 190px 1fr 150px;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 0.45rem;
}

.tax-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tax-track {
    display: flex;
    height: 16px;
    border-radius: 2px;
    background: var(--border-subtle);
    overflow: hidden;
}

.tax-seg {
    height: 100%;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.tax-seg:hover { opacity: 0.75; }

.tax-total {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.arena-tooltip {
    position: fixed;
    z-index: 9600;
    max-width: 340px;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(10, 10, 12, 0.97);
    box-shadow: var(--shadow-lg);
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.arena-tooltip.is-visible { opacity: 1; }
.arena-tooltip b { color: var(--text-primary); }
.arena-tooltip .dim { color: var(--text-muted); }

.arena-bench-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}

.arena-bench-card {
    padding: 1.4rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(16, 16, 19, 0.6);
    backdrop-filter: blur(18px) saturate(130%);
}

.arena-bench-card .bname {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.arena-bench-card .bcount {
    display: block;
    margin: 0.5rem 0 0.35rem;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-light);
}

.arena-bench-card .bmeta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.arena-method-list {
    display: grid;
    gap: 1.15rem;
    max-width: 78ch;
}

.arena-method-list dt {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--primary-light);
}

.arena-method-list dd {
    margin: 0.35rem 0 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.arena-method-list code {
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.3);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .arena-hero { padding: 5rem 0 2.5rem; }
    .arena-stat { flex-basis: 50%; }
    .arena-section { padding: 3rem 0; }
    .arena-table tbody td,
    .arena-table thead th { padding: 0.6rem 0.65rem; }

    /* Per-suite columns are the first thing to go on narrow screens. */
    .arena-table .col-suite { display: none; }

    .arena-chart-body { padding: 1rem; }
    .tax-row { grid-template-columns: 116px 1fr; row-gap: 0.2rem; }
    .tax-total { grid-column: 2; font-size: 0.7rem; }
}