/* ==========================================================================
   Tableau des scores — leaderboard démo
   ========================================================================== */

.ns-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Section classement */
.ns-leaderboard {
    position: relative;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255, 45, 58, 0.12), transparent 65%),
        radial-gradient(ellipse 45% 40% at 90% 80%, rgba(45, 80, 143, 0.14), transparent 60%),
        var(--ns-night);
    overflow: hidden;
}

.ns-leaderboard__head {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.ns-leaderboard__emblem {
    flex-shrink: 0;
    width: 80px;
    filter: drop-shadow(0 0 20px rgba(255, 45, 58, 0.4));
}

.ns-leaderboard__emblem svg {
    width: 100%;
    height: auto;
    display: block;
}

.ns-leaderboard__demo {
    margin-top: 0.75rem;
    font-size: 0.82rem;
    color: var(--ns-grey);
    font-style: italic;
}

/* Podium top 3 */
.ns-leaderboard__podium {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: end;
}

.ns-leaderboard__podium-item {
    position: relative;
    text-align: center;
    padding: 1.2rem 0.8rem 1rem;
    border: 1px solid var(--ns-glass-border);
    border-radius: var(--ns-radius);
    background: var(--ns-glass);
    backdrop-filter: blur(8px);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.ns-leaderboard__podium-item--1 {
    order: 2;
    padding-top: 1.6rem;
    border-color: rgba(255, 45, 58, 0.45);
    box-shadow: 0 0 32px rgba(255, 45, 58, 0.15);
    transform: translateY(-8px);
}

.ns-leaderboard__podium-item--2 { order: 1; }
.ns-leaderboard__podium-item--3 { order: 3; }

.ns-leaderboard__medal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: 0.5rem;
    border-radius: 50%;
    font-family: var(--ns-font-display);
    font-size: 0.9rem;
    background: linear-gradient(145deg, #2d508f, #0c1630);
    border: 1px solid rgba(255, 45, 58, 0.4);
    color: var(--ns-white);
}

.ns-leaderboard__podium-item--1 .ns-leaderboard__medal {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1rem;
    background: linear-gradient(145deg, #ff2d3a, #c4121f);
    box-shadow: 0 0 16px var(--ns-red-glow);
}

.ns-leaderboard__podium-name {
    display: block;
    font-family: var(--ns-font-display);
    font-size: 1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.ns-leaderboard__podium-time {
    display: block;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 12px rgba(255, 45, 58, 0.35);
    font-variant-numeric: tabular-nums;
}

.ns-leaderboard__podium-meta {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.75rem;
    color: var(--ns-grey);
}

/* Panel tableau */
.ns-leaderboard__panel {
    border: 1px solid var(--ns-glass-border);
    border-radius: var(--ns-radius);
    background:
        linear-gradient(180deg, rgba(28, 48, 88, 0.35) 0%, rgba(12, 22, 48, 0.65) 100%);
    backdrop-filter: blur(10px);
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.ns-leaderboard__toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--ns-glass-border);
    background: rgba(5, 10, 24, 0.35);
}

.ns-leaderboard__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.ns-leaderboard__filter {
    padding: 0.4rem 0.85rem;
    border: 1px solid rgba(154, 165, 196, 0.25);
    border-radius: 999px;
    background: transparent;
    color: var(--ns-grey);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ns-leaderboard__filter:hover,
.ns-leaderboard__filter:focus-visible {
    color: var(--ns-white);
    border-color: rgba(255, 45, 58, 0.4);
    outline: none;
}

.ns-leaderboard__filter.is-active {
    color: var(--ns-white);
    border-color: rgba(255, 45, 58, 0.55);
    background: rgba(255, 45, 58, 0.12);
    box-shadow: 0 0 14px rgba(255, 45, 58, 0.15);
}

.ns-leaderboard__updated {
    font-size: 0.72rem;
    color: var(--ns-grey);
    white-space: nowrap;
}

.ns-leaderboard__table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ns-leaderboard__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.ns-leaderboard__table thead th {
    padding: 0.85rem 1rem;
    text-align: left;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ns-grey);
    border-bottom: 1px solid var(--ns-glass-border);
    background: rgba(5, 10, 24, 0.25);
    white-space: nowrap;
}

.ns-leaderboard__table tbody tr {
    border-bottom: 1px solid rgba(154, 165, 196, 0.1);
    transition: background 0.2s ease;
}

.ns-leaderboard__table tbody tr:hover {
    background: rgba(255, 45, 58, 0.06);
}

.ns-leaderboard__table tbody tr.is-top {
    background: rgba(255, 45, 58, 0.04);
}

.ns-leaderboard__table td {
    padding: 0.9rem 1rem;
    vertical-align: middle;
}

.ns-leaderboard__rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.75rem;
    height: 1.75rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.82rem;
    background: rgba(45, 80, 143, 0.35);
    color: var(--ns-white);
}

.ns-leaderboard__row.is-top .ns-leaderboard__rank-num {
    background: linear-gradient(145deg, rgba(255, 45, 58, 0.85), rgba(196, 18, 31, 0.85));
}

.ns-leaderboard__nick strong {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.ns-leaderboard__buzzer {
    display: inline-block;
    margin-left: 0.45rem;
    padding: 0.15rem 0.45rem;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: var(--ns-red);
    border-radius: 3px;
    transform: skewX(-6deg);
    box-shadow: 0 0 8px var(--ns-red-glow);
}

.ns-leaderboard__time {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: #fff;
    font-size: 1rem;
}

.ns-leaderboard__players {
    font-weight: 600;
    text-align: center;
}

.ns-leaderboard__date span {
    display: block;
    font-weight: 600;
}

.ns-leaderboard__date small {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.75rem;
    color: var(--ns-grey);
}

.ns-leaderboard__course {
    font-size: 0.85rem;
    color: var(--ns-grey);
    white-space: nowrap;
}

.ns-leaderboard__share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.7rem;
    border: 1px solid rgba(255, 45, 58, 0.35);
    border-radius: 8px;
    background: rgba(255, 45, 58, 0.08);
    color: var(--ns-white);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ns-leaderboard__share-btn svg {
    width: 14px;
    height: 14px;
}

.ns-leaderboard__share-btn:hover,
.ns-leaderboard__share-btn:focus-visible {
    background: rgba(255, 45, 58, 0.18);
    border-color: rgba(255, 45, 58, 0.6);
    box-shadow: 0 0 14px rgba(255, 45, 58, 0.2);
    outline: none;
}

.ns-leaderboard__share-btn.is-copied {
    border-color: rgba(100, 220, 140, 0.55);
    background: rgba(60, 180, 100, 0.15);
}

.ns-leaderboard__toast {
    position: fixed;
    left: 50%;
    bottom: calc(6rem + env(safe-area-inset-bottom, 0px));
    z-index: 120;
    transform: translateX(-50%) translateY(12px);
    padding: 0.65rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 45, 58, 0.4);
    background: rgba(12, 22, 48, 0.95);
    color: var(--ns-white);
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 8px 28px rgba(5, 10, 24, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    pointer-events: none;
}

.ns-leaderboard__toast.is-show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
    .ns-leaderboard__head {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .ns-leaderboard__podium {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .ns-leaderboard__podium-item,
    .ns-leaderboard__podium-item--1 {
        order: unset;
        transform: none;
    }

    .ns-leaderboard__toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .ns-leaderboard__updated {
        text-align: center;
    }

    .ns-leaderboard__table thead {
        display: none;
    }

    .ns-leaderboard__table tbody tr {
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-areas:
            "rank nick share"
            "rank time share"
            "meta meta meta";
        gap: 0.35rem 0.75rem;
        padding: 1rem;
    }

    .ns-leaderboard__table td {
        padding: 0;
        border: none;
    }

    .ns-leaderboard__rank { grid-area: rank; align-self: start; }
    .ns-leaderboard__nick { grid-area: nick; }
    .ns-leaderboard__time { grid-area: time; font-size: 1.1rem; }
    .ns-leaderboard__share { grid-area: share; align-self: center; }
    .ns-leaderboard__players,
    .ns-leaderboard__date,
    .ns-leaderboard__course {
        grid-area: meta;
        display: inline;
        font-size: 0.78rem;
        color: var(--ns-grey);
    }

    .ns-leaderboard__players::after { content: ' · '; }
    .ns-leaderboard__date::after { content: ' · '; }

    .ns-leaderboard__share-btn span {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ns-leaderboard__podium-item--1 {
        transform: none;
    }
}