/*
 * theme.css - Système de design partagé "Sport Challenge" (dark néon).
 * Inclus par toutes les pages via <link>. Ne contient QUE du CSS générique
 * réutilisable ; les styles propres à une page restent dans son propre
 * <style> (voir chaque fichier .php).
 */

:root {
    color-scheme: dark;
    --ground: #121212;
    --surface: #1a1b1f;
    --surface-hi: #212226;
    --surface-glass: rgba(26, 27, 31, 0.6);
    --ink: #f5f6f7;
    --ink-muted: #94969f;
    --ink-faint: #5b5d66;
    --line: rgba(255,255,255,0.08);
    --line-strong: rgba(255,255,255,0.14);

    --cyan: #22d3ee;
    --cyan-dim: rgba(34, 211, 238, 0.14);
    --blue: #3d5afe;
    --blue-dim: rgba(61, 90, 254, 0.16);
    --orange: #ff8a3d;
    --orange-dim: rgba(255, 138, 61, 0.16);
    --violet: #a78bfa;
    --violet-dim: rgba(167, 139, 250, 0.16);

    --good: #34d399;
    --good-dim: rgba(52, 211, 153, 0.14);
    --warning: #fbbf24;
    --warning-dim: rgba(251, 191, 36, 0.14);
    --critical: #f87171;
    --critical-dim: rgba(248, 113, 113, 0.14);

    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #d55181;
    --series-5: #a78bfa;

    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 9px;

    --font-display: "Rajdhani", "Segoe UI", sans-serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--ground);
    color: var(--ink);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}
body.with-ambient::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(720px 420px at 12% -8%, rgba(34,211,238,0.08), transparent 60%),
        radial-gradient(640px 480px at 92% 8%, rgba(255,138,61,0.06), transparent 55%),
        radial-gradient(900px 700px at 50% 110%, rgba(61,90,254,0.07), transparent 60%);
    pointer-events: none;
    z-index: 0;
}
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; text-wrap: balance; }
.tabular { font-variant-numeric: tabular-nums; }
::selection { background: var(--cyan-dim); color: var(--ink); }

/* ---------- Layout shell ---------- */
.container { position: relative; z-index: 1; max-width: 1360px; margin: 0 auto; padding: 30px 28px 70px; }
@media (max-width: 1000px) { .container { padding: 22px 16px 60px; } }
/* Le site ne doit pas rester figé à 1360px de large sur un grand écran (4K,
   ultrawide...) : on gagne un peu de largeur par palier plutôt qu'un bond
   brutal, pour que les cartes profitent de l'espace sans devenir illisibles. */
@media (min-width: 1600px) { .container { max-width: 1560px; } }
@media (min-width: 1920px) { .container { max-width: 1760px; } }
@media (min-width: 2400px) { .container { max-width: 2000px; } }

.page-title { font-size: 1.9rem; color: var(--ink); margin-bottom: 24px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: space-between; }
.page-title .sub { font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-muted); font-weight: 500; }
.page-title-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 1rem; }

/* Petit fil de sous-navigation (ex: admin.php <-> ses sous-pages,
   profil.php <-> amis.php) — repris ici (plutôt que dans admin-style.php
   uniquement) car utilisé aussi en dehors des pages d'administration. */
.admin-subnav { display: flex; gap: 18px; margin-bottom: 24px; flex-wrap: wrap; align-items: center; }
.admin-subnav a { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-muted); text-decoration: none; font-size: 0.88rem; font-weight: 600; padding: 4px 0; }
.admin-subnav a:hover { color: var(--cyan); }

/* Petit lien de retour discret au-dessus d'un page-title (ex: amis.php,
   stats.php, concurrents.php -> fiche détail). */
.back-link { display: inline-block; color: var(--ink-faint); text-decoration: none; margin-bottom: 18px; font-size: 0.9rem; }
.back-link:hover { color: var(--ink); }

/* ---------- Top bar + responsive nav ---------- */
.topbar {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 26px;
    background: rgba(18,18,18,0.72);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; text-decoration: none; color: var(--ink); }
.brand img { width: 32px; height: 32px; border-radius: 9px; object-fit: cover; box-shadow: 0 0 16px rgba(34,211,238,0.3); }

.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-link { display: flex; align-items: center; gap: 7px; padding: 9px 15px; border-radius: 999px; font-size: 0.88rem; font-weight: 600; color: var(--ink-muted); text-decoration: none; transition: color .15s, background .15s; white-space: nowrap; }
.nav-link:hover { color: var(--ink); background: var(--surface-hi); }
.nav-link.active { color: var(--ground); background: var(--cyan); box-shadow: 0 0 18px rgba(34,211,238,0.35); }
.nav-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 17px; height: 17px; padding: 0 4px; border-radius: 999px; background: var(--critical); color: #fff; font-size: 0.68rem; font-weight: 800; line-height: 1; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-user { display: flex; align-items: center; gap: 9px; padding: 5px 12px 5px 5px; border-radius: 999px; background: var(--surface-hi); border: 1px solid var(--line); font-size: 0.84rem; font-weight: 600; }
.nav-logout { color: #ff9d9d; text-decoration: none; font-size: 0.84rem; font-weight: 600; padding: 8px 10px; border-radius: 8px; }
.nav-logout:hover { background: var(--critical-dim); }
.nav-cgu { color: var(--ink-faint); text-decoration: none; font-size: 0.84rem; font-weight: 600; padding: 8px 10px; border-radius: 8px; }
.nav-cgu:hover { background: var(--surface-hi); color: var(--ink); }

.nav-toggle { display: none; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-hi); color: var(--ink); font-size: 1.05rem; align-items: center; justify-content: center; cursor: pointer; }
.nav-sheet { display: none; position: fixed; top: 62px; left: 12px; right: 12px; z-index: 99; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-md); padding: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); flex-direction: column; gap: 2px; }
.nav-sheet.open { display: flex; }
.nav-sheet .nav-link { justify-content: flex-start; color: var(--ink); }
.nav-sheet .nav-link.active { color: var(--ground); }
.nav-sheet .nav-logout { text-align: left; }

@media (max-width: 860px) {
    .nav-desktop { display: none; }
    .nav-toggle { display: flex; }
    .nav-user span.txt { display: none; }
}

/* ---------- Glass surfaces ---------- */
.glass {
    background: var(--surface-glass);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset, 0 20px 50px rgba(0,0,0,0.3);
}
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 12px 30px rgba(0,0,0,0.25); padding: 25px; }
.card-title { font-size: 1.15rem; color: var(--cyan); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }

/* ---------- Stat cards ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-grid > * { min-width: 0; }
.stat-card { padding: 20px 22px; position: relative; overflow: hidden; }
.stat-card .glow { position: absolute; width: 120px; height: 120px; border-radius: 50%; filter: blur(40px); opacity: 0.45; top: -40px; right: -30px; pointer-events: none; }
.stat-card .label { font-size: 0.76rem; color: var(--ink-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; margin-top: 6px; line-height: 1; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border: none; border-radius: 10px; cursor: pointer; font-size: 0.88rem; font-weight: 700; font-family: var(--font-body); text-decoration: none; transition: transform .15s, box-shadow .15s, background .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.btn-primary { background: var(--cyan); color: #062024; box-shadow: 0 0 20px rgba(34,211,238,0.3); }
.btn-primary:hover { box-shadow: 0 0 26px rgba(34,211,238,0.45); }
.btn-secondary { background: var(--surface-hi); color: var(--ink); border: 1px solid var(--line-strong); }
.btn-danger { background: var(--critical); color: #2a0a0a; }
.btn-warning { background: var(--warning); color: #2a1c02; }
.btn-success { background: var(--good); color: #04241a; }
.btn-ghost { background: transparent; color: var(--ink-muted); border: 1px dashed var(--line-strong); }
.btn-ghost:hover { color: var(--ink); border-color: var(--cyan); }
.btn-sm { padding: 6px 12px; font-size: 0.78rem; border-radius: 8px; }
.btn-xxs { padding: 3px 9px; font-size: 0.68rem; border-radius: 999px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 7px; color: var(--ink-muted); font-size: 0.85rem; font-weight: 600; }
.form-group label .required { color: var(--orange); margin-left: 3px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 13px; border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
    background: var(--surface-hi); color: var(--ink); font-family: var(--font-body); font-size: 0.92rem;
    transition: border-color .15s, box-shadow .15s; color-scheme: dark;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-dim); }
.form-group input[type="checkbox"] { width: auto; }
.optional-label { font-size: 0.72rem; color: var(--ink-faint); font-style: italic; font-weight: 500; }
.field-hint { font-size: 0.78rem; color: var(--ink-faint); margin-top: 6px; }

/* ---------- Alerts ---------- */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 22px; font-weight: 600; font-size: 0.9rem; border: 1px solid transparent; }
.alert-success { background: var(--good-dim); color: #6ee7b7; border-color: rgba(52,211,153,0.3); }
.alert-error { background: var(--critical-dim); color: #ffb3b3; border-color: rgba(248,113,113,0.3); }
.alert-info { background: var(--blue-dim); color: #a9b7ff; border-color: rgba(61,90,254,0.3); }

/* ---------- Badges / chips / pills ---------- */
.badge { display: inline-flex; align-items: center; padding: 4px 11px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.badge-admin { background: var(--violet-dim); color: #c4b5fd; }
.badge-user { background: var(--surface-hi); color: var(--ink-muted); }
.badge-friends { background: var(--good-dim); color: #6ee7b7; }
.badge-pending { background: var(--warning-dim); color: #fde68a; }
.badge-active, .status-active { background: var(--good-dim); color: #6ee7b7; }
.badge-blocked, .status-ended { background: var(--critical-dim); color: #ffb3b3; }
.badge-future, .status-future { background: var(--warning-dim); color: #fde68a; }

.chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; background: var(--surface-hi); color: var(--ink-muted); border: 1px solid var(--line); }
.group-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.group-tag { display: inline-flex; align-items: center; gap: 5px; background: var(--blue-dim); color: #a9b7ff; padding: 4px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; }
.group-tag .remove-badge { cursor: pointer; opacity: .7; font-weight: 800; }
.group-tag .remove-badge:hover { opacity: 1; color: var(--critical); }
.no-groups { color: var(--ink-faint); font-style: italic; font-size: 0.82rem; }

/* ---------- Avatars ---------- */
.avatar, .avatar-placeholder { border-radius: 50%; object-fit: cover; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.avatar-placeholder { background: linear-gradient(135deg, var(--orange), #ffb37a); color: #2a1704; font-weight: 700; font-family: var(--font-display); }
.avatar-header { width: 30px; height: 30px; font-size: 0.85rem; }
.avatar-sm { width: 32px; height: 32px; font-size: 0.85rem; }
.avatar-md { width: 48px; height: 48px; font-size: 1.1rem; }
.avatar-lg { width: 120px; height: 120px; font-size: 2.4rem; }

/* ---------- Tables ---------- */
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th { text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); font-weight: 700; padding: 0 14px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.data-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); font-size: 0.9rem; white-space: nowrap; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ---------- Rankings ---------- */
.ranking-list { list-style: none; margin: 0; padding: 0; }
.ranking-item { display: flex; justify-content: space-between; align-items: center; padding: 13px 16px; margin-bottom: 9px; background: var(--surface-hi); border-radius: var(--radius-sm); border: 1px solid transparent; transition: transform .15s, border-color .15s; }
.ranking-item:hover { transform: translateX(4px); border-color: var(--line-strong); }
.ranking-item.user-current { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan) inset; }
.rank-number { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; width: 34px; text-align: center; color: var(--ink-muted); }
.rank-1 .rank-number { color: #facc15; } .rank-2 .rank-number { color: #cbd5e1; } .rank-3 .rank-number { color: #f0a868; }
.participant-link { display: flex; align-items: center; flex: 1; min-width: 0; gap: 12px; text-decoration: none; color: inherit; }
.participant-link:hover .participant-name { color: var(--cyan); }
.participant-info { flex: 1; min-width: 0; }
.participant-name { font-weight: 700; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.participant-meta { font-size: 0.78rem; color: var(--ink-faint); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.participant-points { font-family: var(--font-display); font-weight: 700; color: var(--cyan); font-size: 1.05rem; min-width: 90px; text-align: right; }
.participant-side { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; flex-shrink: 0; margin-left: 10px; }
.participant-side .participant-points { min-width: 0; white-space: nowrap; }
.ranking-friend-widget .btn-xxs { white-space: nowrap; }
.ranking-friend-widget .btn-xxs:disabled { opacity: 0.6; }

/* ---------- Gauges ---------- */
.gauge-card { padding: 22px; text-align: center; }
.gauge-card h3 { font-size: 0.82rem; color: var(--ink-muted); font-weight: 700; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- Modals ---------- */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 1000; justify-content: center; align-items: center; padding: 20px; }
.modal-overlay.active { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--line-strong); padding: 28px; border-radius: var(--radius-lg); max-width: 460px; width: 100%; box-shadow: 0 24px 70px rgba(0,0,0,0.55); }
.modal-edit { max-width: 560px; }
.modal-title { font-size: 1.3rem; color: var(--critical); margin-bottom: 14px; }
.modal-text { color: var(--ink-muted); margin-bottom: 20px; line-height: 1.55; font-size: 0.92rem; }
.modal-buttons { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- Photo lightbox ---------- */
.session-photos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.session-photo-thumb { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; cursor: pointer; border: 2px solid transparent; transition: border-color .15s, transform .15s; }
.session-photo-thumb:hover { border-color: var(--cyan); transform: scale(1.04); }
.photo-preview { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.photo-preview img { width: 68px; height: 68px; object-fit: cover; border-radius: 10px; border: 1.5px solid var(--line-strong); }
.photo-thumb-wrapper { position: relative; display: inline-block; }
.photo-remove-x { position: absolute; top: -6px; right: -6px; background: var(--critical); color: #2a0a0a; border-radius: 50%; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 0.78rem; cursor: pointer; font-weight: 800; box-shadow: 0 2px 6px rgba(0,0,0,0.4); }
.photo-modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 1100; justify-content: center; align-items: center; cursor: zoom-out; }
.photo-modal-overlay.active { display: flex; }
.photo-modal-overlay img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 24px 70px rgba(0,0,0,0.6); cursor: default; }
.photo-modal-close { position: absolute; top: 22px; right: 32px; color: var(--ink); font-size: 2rem; cursor: pointer; line-height: 1; }

/* ---------- Competitors checklist / favorites ---------- */
.competitors-checklist { display: flex; flex-wrap: wrap; gap: 10px; background: var(--surface-hi); border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); padding: 11px 13px; }
.competitor-check { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--ink-muted); cursor: pointer; }
.favorites-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.favorite-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--orange-dim); border: 1px solid rgba(255,138,61,0.35); color: #ffcaa0; padding: 6px 11px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: background .15s; }
.favorite-chip:hover { background: rgba(255,138,61,0.28); }
.favorite-delete { color: var(--critical); font-weight: 800; cursor: pointer; padding: 0 2px; }

/* ---------- Explainer / details ---------- */
.explainer { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 6px 24px; }
.explainer summary { cursor: pointer; padding: 18px 0; font-weight: 700; color: var(--cyan); font-size: 1.02rem; list-style: none; font-family: var(--font-display); }
.explainer summary::-webkit-details-marker { display: none; }
.explainer summary::before { content: '▶ '; display: inline-block; transition: transform .2s; font-size: 0.8em; }
.explainer[open] summary::before { transform: rotate(90deg); }
.explainer-item { padding: 14px 0; border-top: 1px solid var(--line); }
.explainer-item h4 { color: var(--ink); margin-bottom: 6px; font-size: 0.98rem; }
.explainer-item p { color: var(--ink-muted); font-size: 0.86rem; line-height: 1.6; margin: 4px 0 0; }
.explainer-item:last-child { padding-bottom: 20px; }

/* ---------- Empty states ---------- */
.empty-state { text-align: center; padding: 55px 25px; color: var(--ink-faint); }
.empty-state h2 { color: var(--ink-muted); font-size: 1.2rem; margin-bottom: 8px; }

/* ---------- Chart tooltip (used by theme.js line chart) ---------- */
.chart-wrap { position: relative; }
.chart-tooltip { position: absolute; pointer-events: none; opacity: 0; transition: opacity .1s; background: #0e0f12; border: 1px solid var(--line-strong); border-radius: 10px; padding: 9px 12px; font-size: 0.78rem; box-shadow: 0 12px 30px rgba(0,0,0,0.5); white-space: nowrap; z-index: 5; }
.chart-tooltip .tt-date { color: var(--ink-muted); font-weight: 700; margin-bottom: 5px; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 6px; }
.chart-tooltip .tt-swatch { width: 8px; height: 8px; border-radius: 50%; }
.chart-tooltip .tt-val { margin-left: auto; padding-left: 12px; font-weight: 700; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--ink-muted); font-weight: 600; }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; }

/* ---------- Live indicator ---------- */
.live-indicator { font-size: 0.62em; color: var(--good); font-weight: 700; text-transform: none; letter-spacing: normal; display: inline-flex; align-items: center; gap: 6px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); display: inline-block; animation: live-pulse 1.6s ease-in-out infinite; }
@keyframes live-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.75); } }

/* ---------- Misc utility ---------- */
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.grid-2 > * { min-width: 0; }
@media (max-width: 1200px) { .grid-2 { grid-template-columns: 1fr; } }
.challenge-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.challenge-pill.active { background: var(--good-dim); color: #6ee7b7; border: 1px solid rgba(52,211,153,.3); }
.challenge-pill.future { background: var(--warning-dim); color: #fde68a; border: 1px solid rgba(251,191,36,.3); }
.challenge-pill.ended { background: var(--critical-dim); color: #ffb3b3; border: 1px solid rgba(248,113,113,.3); }
.challenge-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }