:root {
    --bg: #0f172a;
    --bg2: #1e3a5f;
    --card: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.09);
    --t1: #f1f5f9;
    --t2: #94a3b8;
    --t3: #64748b;
    --accent: #06b6d4;
    --green: #22c55e;
    --red: #ef4444;
    --orange: #f97316;
    --purple: #8b5cf6;
    --r: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg), var(--bg2));
    color: var(--t1);
    min-height: 100vh;
    font-size: 14px;
}

.container {
    max-width: 100%;
    margin: 0;
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Header ── */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.header-sub {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--t3);
    margin-left: 6px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.last-fetched { color: var(--t3); font-size: 0.75rem; }

.btn-refresh {
    background: rgba(6,182,212,0.12);
    color: var(--accent);
    border: 1px solid rgba(6,182,212,0.25);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.2s;
    white-space: nowrap;
}
.btn-refresh:hover { background: rgba(6,182,212,0.22); }
.btn-refresh:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── KPI Row ── */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.kpi {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 10px 11px;
    backdrop-filter: blur(8px);
    min-width: 0;
}

.kpi-label {
    font-size: 0.62rem;
    color: var(--t2);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 3px;
}

.kpi-value {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.1;
}

.kpi-sm { font-size: 0.95rem; }

.kpi-sub {
    font-size: 0.65rem;
    color: var(--t3);
    margin-top: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trend-up { color: var(--red); }
.trend-down { color: var(--green); }
.weight-up { color: var(--orange); }
.weight-down { color: var(--accent); }

/* ── Main 3-col Grid ── */
.layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: stretch;
}
.layout-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.layout-sidebar {
    width: 110px;
    flex-shrink: 0;
    display: flex;
}
.layout-sidebar > .card {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.sidebar-card { padding: 10px; }
.sidebar-h2 { font-size: 0.8rem; margin-bottom: 8px; }

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 12px;
    align-items: stretch;
}
.main-grid .col > .card:last-child { flex: 1; }
.main-grid-2 {
    grid-template-columns: 1fr 1.5fr;
}

.col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Card ── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 14px 16px;
    backdrop-filter: blur(8px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}

.card-date {
    font-size: 0.7rem;
    color: var(--t3);
}

h2 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--t2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 10px;
}

/* ── Body Composition ── */
.comp-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.comp-item {
    text-align: center;
    padding: 8px 4px;
    background: rgba(255,255,255,0.04);
    border-radius: 8px;
}

.comp-val {
    font-size: 1.3rem;
    font-weight: 700;
}

.comp-item.accent .comp-val { color: var(--accent); }
.comp-item.orange .comp-val { color: var(--orange); }
.comp-item.green .comp-val { color: var(--green); }
.comp-item.muted .comp-val { color: var(--t2); }

.comp-lbl {
    font-size: 0.65rem;
    color: var(--t3);
    margin-top: 2px;
}

/* ── Clubs ── */
.clubs-list { display: flex; flex-direction: column; gap: 6px; }

.club-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.club-name {
    width: 140px;
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--t1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.club-bar-wrap {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
    height: 6px;
}

.club-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
}

.club-count {
    font-size: 0.72rem;
    color: var(--t3);
    min-width: 28px;
    text-align: right;
}

/* ── Charts ── */
.chart-sm { position: relative; height: 120px; }
.chart-md { position: relative; height: 185px; }
.chart-visits { position: relative; height: 200px; }
.chart-tall { position: relative; height: 100%; min-height: 420px; }
.card-tall { display: flex; flex-direction: column; height: 100%; }
.card-tall .chart-tall { flex: 1; }

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    color: var(--t1);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.82rem;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 100;
}
.toast.hidden { opacity: 0; transform: translateY(8px); pointer-events: none; }
.toast.error { border-color: var(--red); color: var(--red); }

/* ── Responsive ── */
@media (max-width: 1400px) {
    .kpi-row { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1100px) {
    .main-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .kpi-row { grid-template-columns: repeat(3, 1fr); }
    .main-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
    .comp-row { grid-template-columns: repeat(2, 1fr); }
    h1 { font-size: 1.1rem; }
}

/* ── Filter buttons ── */
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0.5rem; gap: 0.75rem;
}
.filter-group {
    display: inline-flex; gap: 2px; background: rgba(255,255,255,0.04);
    border: 1px solid var(--border); border-radius: 6px; padding: 2px;
}
.filter-group button {
    background: transparent; border: 0; color: var(--t2);
    padding: 0.2rem 0.55rem; font-size: 0.75rem; font-weight: 600;
    border-radius: 4px; cursor: pointer; transition: all 0.15s;
}
.filter-group button:hover { color: var(--t1); }
.filter-group button.active { background: var(--accent); color: #001; }

/* ── KPI accent variants ── */
.kpi.accent-streak .kpi-value { color: var(--green); }
.kpi-warn .kpi-value { color: var(--orange); }
.kpi-alert .kpi-value { color: var(--red); }

/* ── Heatmap ── */
.heatmap {
    display: grid;
    grid-template-columns: repeat(7, 8px);
    grid-auto-flow: row;
    grid-auto-rows: 8px;
    gap: 2px;
    padding: 4px 2px;
    margin: 0 auto;
    justify-content: center;
}
.heatmap-vertical {
    /* taille fixe, centrée — pas d'aspect-ratio (cellules petites) */
}
.hm-cell { border-radius: 1.5px; }
.hm-cell {
    border-radius: 2px;
    background: rgba(255,255,255,0.05);
    width: 100%;
    height: 100%;
    display: block;
}
.hm-0 { background: rgba(255,255,255,0.05); }
.hm-1 { background: rgba(6,182,212,0.35); }
.hm-2 { background: rgba(6,182,212,0.65); }
.hm-3 { background: rgba(6,182,212,1); }
.heatmap-legend {
    display: inline-flex; gap: 4px; align-items: center;
    font-size: 0.7rem; color: var(--t3);
}
.heatmap-legend .hm-cell {
    width: 10px; height: 10px; aspect-ratio: auto;
}