/******************************************************
 * Leaderboard — sci-fi dark theme
 ******************************************************/

.main:has(.leaderboard-page) {
    background: #070b12;
}

.main:has(.leaderboard-page) .interface {
    background:
        radial-gradient(circle at top left, rgba(255, 209, 102, 0.1), transparent 28%),
        radial-gradient(circle at top right, rgba(124, 77, 255, 0.08), transparent 24%),
        linear-gradient(180deg, #070b12 0%, #0c1220 48%, #090e16 100%);
    color: #d7e0f0;
}






.leaderboard-page {
    --lb-border: #2a3a5c;
    --lb-text-muted: #8b9bb8;
    --lb-accent: #ffd166;
    --lb-accent-secondary: #b794ff;
    color: #d7e0f0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1100px;
}

.leaderboard-header {
    background: linear-gradient(180deg, rgba(24, 34, 53, 0.95) 0%, rgba(18, 26, 43, 0.98) 100%);
    border: 1px solid var(--lb-border);
    border-radius: 8px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
    margin: 0 0 16px;
    padding: 16px 20px;
}

.leaderboard-title {
    color: #fff4d6;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    margin: 0 0 6px;
    text-shadow: 0 0 18px rgba(255, 209, 102, 0.28);
    text-transform: uppercase;
}

.leaderboard-subtitle {
    color: var(--lb-text-muted);
    margin: 0 0 8px;
}

.leaderboard-page .page-help-hint {
    color: var(--lb-text-muted);
    font-size: 0.88rem;
    margin: 0;
}

.leaderboard-page .page-help-hint a {
    color: var(--lb-accent);
}

.leaderboard-page .page-help-hint a:hover {
    color: #ffe08a;
}

.leaderboard-sections {
    display: grid;
    gap: 16px;
}

.leaderboard-stats {
    background: rgba(10, 16, 26, 0.85);
    border: 1px solid rgba(42, 58, 92, 0.85);
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 0 0 16px;
    padding: 12px 16px;
}

.leaderboard-stat {
    display: flex;
    gap: 8px;
}

.leaderboard-stat dt {
    color: var(--lb-text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    margin: 0;
    text-transform: uppercase;
}

.leaderboard-stat dd {
    color: #fff4d6;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.88rem;
    margin: 0;
}

.leaderboard-deck {
    align-items: start;
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 34%);
}

.leaderboard-main {
    display: grid;
    gap: 12px;
}

.leaderboard-tab-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.leaderboard-tab-link {
    background: rgba(10, 16, 26, 0.85);
    border: 1px solid rgba(42, 58, 92, 0.85);
    border-radius: 999px;
    color: #c5d4ea;
    font-size: 0.84rem;
    padding: 7px 14px;
    text-decoration: none;
}

.leaderboard-tab-link:hover {
    border-color: rgba(255, 209, 102, 0.45);
    color: #fff4d6;
}

.leaderboard-tab-link-active {
    background: rgba(255, 209, 102, 0.12);
    border-color: rgba(255, 209, 102, 0.55);
    color: #ffd166;
}

.leaderboard-area-filter {
    color: var(--lb-text-muted);
    display: grid;
    font-size: 0.82rem;
    gap: 6px;
    letter-spacing: 0.04em;
    margin: 0 0 12px;
    max-width: 280px;
    text-transform: uppercase;
}

.leaderboard-area-filter-select {
    display: block;
    min-width: 180px;
}

.leaderboard-page select.tableitem,
.leaderboard-page .leaderboard-area-filter-select {
    appearance: none;
    background: linear-gradient(180deg, rgba(15, 23, 40, 0.98) 0%, rgba(10, 16, 26, 0.98) 100%);
    border: 1px solid var(--lb-border);
    border-radius: 6px;
    box-sizing: border-box;
    color: #d7e0f0;
    cursor: pointer;
    padding: 8px 10px;
    width: 100%;
}

.leaderboard-page select.tableitem:focus,
.leaderboard-page .leaderboard-area-filter-select:focus {
    border-color: rgba(255, 209, 102, 0.55);
    box-shadow: 0 0 0 2px rgba(255, 209, 102, 0.16);
    outline: none;
}

.leaderboard-sidebar {
    display: grid;
    gap: 12px;
}

.leaderboard-sidebar-panel {
    background: linear-gradient(180deg, rgba(24, 34, 53, 0.96) 0%, rgba(16, 24, 39, 0.98) 100%);
    border: 1px solid var(--lb-border);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
    padding: 16px;
}

.leaderboard-standing-list {
    display: grid;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.leaderboard-standing-item {
    background: rgba(10, 16, 26, 0.85);
    border: 1px solid rgba(42, 58, 92, 0.85);
    border-radius: 6px;
    display: grid;
    gap: 4px;
    padding: 10px 12px;
}

.leaderboard-standing-label {
    color: var(--lb-text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.leaderboard-standing-value {
    color: #fff4d6;
    font-size: 0.88rem;
}

.leaderboard-row-self {
    background: rgba(255, 209, 102, 0.08);
}

.leaderboard-row-self:hover {
    background: rgba(255, 209, 102, 0.12);
}

.leaderboard-you-badge {
    background: rgba(255, 209, 102, 0.14);
    border: 1px solid rgba(255, 209, 102, 0.45);
    border-radius: 999px;
    color: var(--lb-accent);
    font-size: 0.68rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    margin-left: 8px;
    padding: 2px 7px;
    text-transform: uppercase;
    vertical-align: middle;
}

.leaderboard-owner-self,
.leaderboard-name-self {
    color: #fff4d6;
}

.leaderboard-panel {
    background: linear-gradient(180deg, rgba(24, 34, 53, 0.96) 0%, rgba(16, 24, 39, 0.98) 100%);
    border: 1px solid var(--lb-border);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
    padding: 16px;
}

.leaderboard-section-title {
    color: #fff4d6;
    font-size: 1rem;
    letter-spacing: 0.06em;
    margin: 0 0 6px;
    text-transform: uppercase;
}

.leaderboard-section-hint {
    color: var(--lb-text-muted);
    font-size: 0.88rem;
    margin: 0 0 12px;
}

.leaderboard-section-actions {
    color: var(--lb-text-muted);
    font-size: 0.86rem;
    margin: 0 0 12px;
}

.leaderboard-section-action,
.leaderboard-row-link,
.leaderboard-standing-link {
    color: var(--lb-accent);
    text-decoration: none;
}

.leaderboard-section-action:hover,
.leaderboard-row-link:hover,
.leaderboard-standing-link:hover {
    color: #ffe08a;
}

.leaderboard-load-more-wrap {
    margin: 14px 0 0;
    text-align: center;
}

.leaderboard-load-more-link {
    background: rgba(10, 16, 26, 0.85);
    border: 1px solid rgba(255, 209, 102, 0.35);
    border-radius: 999px;
    color: #ffd166;
    display: inline-block;
    font-size: 0.86rem;
    padding: 8px 16px;
    text-decoration: none;
}

.leaderboard-load-more-link:hover {
    border-color: rgba(255, 209, 102, 0.55);
    color: #ffe08a;
}

.leaderboard-page .leaderboard-table th[title] {
    cursor: help;
    text-decoration: underline dotted rgba(255, 209, 102, 0.35);
    text-underline-offset: 3px;
}

.leaderboard-empty {
    color: var(--lb-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.leaderboard-empty-state {
    background: rgba(10, 16, 26, 0.55);
    border: 1px dashed rgba(42, 58, 92, 0.85);
    border-radius: 8px;
    margin: 0 0 12px;
    padding: 14px 16px;
}

.leaderboard-empty-state p {
    color: var(--lb-text-muted);
    margin: 0;
}

.leaderboard-empty-actions {
    font-size: 0.86rem;
    margin-top: 10px;
}

.leaderboard-climb-hint {
    background: rgba(10, 16, 26, 0.55);
    border: 1px solid rgba(255, 209, 102, 0.18);
    border-radius: 8px;
    margin-top: 14px;
    padding: 14px 16px;
}

.leaderboard-climb-title {
    color: #fff4d6;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    margin: 0 0 8px;
    text-transform: uppercase;
}

.leaderboard-climb-copy {
    color: var(--lb-text-muted);
    font-size: 0.88rem;
    margin: 0 0 8px;
}

.leaderboard-climb-links {
    font-size: 0.86rem;
    margin: 0;
}

.leaderboard-metric-glossary {
    display: grid;
    gap: 10px;
    margin: 0;
}

.leaderboard-metric-item {
    background: rgba(10, 16, 26, 0.85);
    border: 1px solid rgba(42, 58, 92, 0.85);
    border-radius: 6px;
    padding: 10px 12px;
}

.leaderboard-metric-item dt {
    color: #fff4d6;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    margin: 0 0 4px;
    text-transform: uppercase;
}

.leaderboard-metric-item dd {
    color: var(--lb-text-muted);
    font-size: 0.84rem;
    margin: 0;
}

.leaderboard-standing-climb .leaderboard-standing-value {
    color: #ffe08a;
}

.leaderboard-page .leaderboard-table {
    background: transparent;
    border: 1px solid rgba(42, 58, 92, 0.85);
    border-collapse: collapse;
    margin: 0;
    width: 100%;
}

.leaderboard-page .leaderboard-table th,
.leaderboard-page .leaderboard-table td {
    border: 1px solid rgba(42, 58, 92, 0.65);
    padding: 10px 12px;
    vertical-align: middle;
}

.leaderboard-page .leaderboard-table th {
    background: rgba(10, 16, 26, 0.9);
    color: var(--lb-text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.leaderboard-page .leaderboard-table tbody tr {
    background: rgba(10, 16, 26, 0.55);
}

.leaderboard-page .leaderboard-table tbody tr:hover {
    background: rgba(16, 24, 39, 0.95);
}

.leaderboard-col-rank {
    width: 4.5rem;
}

.leaderboard-col-score {
    text-align: right;
    width: 8rem;
}

.leaderboard-rank {
    color: var(--lb-text-muted);
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.9rem;
    font-weight: bold;
}

.leaderboard-rank-1 {
    color: #ffd166;
    text-shadow: 0 0 10px rgba(255, 209, 102, 0.35);
}

.leaderboard-rank-2 {
    color: #c8d2e6;
}

.leaderboard-rank-3 {
    color: #e8a86a;
}

.leaderboard-row-rank-1 {
    box-shadow: inset 3px 0 0 rgba(255, 209, 102, 0.85);
}

.leaderboard-row-rank-2 {
    box-shadow: inset 3px 0 0 rgba(200, 210, 230, 0.75);
}

.leaderboard-row-rank-3 {
    box-shadow: inset 3px 0 0 rgba(232, 168, 106, 0.75);
}

.leaderboard-name {
    color: #e8f4ff;
    font-weight: 600;
}

.leaderboard-owner {
    color: #c5d4ea;
}

.leaderboard-score {
    text-align: right;
}

.leaderboard-score-value {
    color: #fff4d6;
    display: block;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.95rem;
}

.leaderboard-score-meta {
    color: var(--lb-text-muted);
    display: block;
    font-size: 0.78rem;
    margin-top: 2px;
}

@media (max-width: 720px) {
    .leaderboard-deck {
        grid-template-columns: 1fr;
    }

    /*
     * Four-column robot/area boards use a card grid on narrow viewports.
     * WebKit keeps <td> as table-cell inside display:grid <tr>, which stacks
     * every cell into the first column — force block so grid-area works on iOS.
     */
    .leaderboard-page .leaderboard-table-split {
        display: block;
        width: 100%;
    }

    .leaderboard-page .leaderboard-table-split thead {
        display: none;
    }

    .leaderboard-page .leaderboard-table-split tbody {
        display: block;
    }

    .leaderboard-page .leaderboard-table-split tbody tr {
        display: grid;
        gap: 4px 10px;
        grid-template-areas:
            "rank name score"
            "rank owner score";
        grid-template-columns: auto 1fr auto;
        padding: 10px 12px;
    }

    .leaderboard-page .leaderboard-table-split tbody td {
        border: 0;
        display: block;
        min-width: 0;
        padding: 0;
    }

    .leaderboard-page .leaderboard-table-split tbody tr td:first-child {
        grid-area: rank;
    }

    .leaderboard-page .leaderboard-table-split tbody tr td:nth-child(2) {
        grid-area: name;
    }

    .leaderboard-page .leaderboard-table-split tbody tr td:nth-child(3) {
        grid-area: owner;
    }

    .leaderboard-page .leaderboard-table-split tbody tr td:last-child {
        grid-area: score;
        text-align: right;
    }

    .leaderboard-page .leaderboard-table th,
    .leaderboard-page .leaderboard-table td {
        padding: 8px 10px;
    }

    .leaderboard-section-hint {
        font-size: 0.84rem;
    }
}