:root {
    --f1-red:    #e8002d;
    --dark-bg:   #15151e;
    --card-bg:   #1f1f2a;
    --text:      #e5e5e5;
    --muted:     #888;
    --border:    #2e2e3e;
    --accent:    #ff4c4c;
    --gold:      #ffd700;
    --green:     #39d353;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text);
    padding: 0 0 40px 0;
}

/* ── Header ── */
header {
    background: linear-gradient(135deg, #0a0a10 0%, #1a0a0a 100%);
    border-bottom: 3px solid var(--f1-red);
    padding: 20px 24px 0;
}

header h1 {
    font-size: 1.6rem;
    color: #fff;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
}
.tab-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 10px 18px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 3px solid transparent;
    transition: 0.2s;
    white-space: nowrap;
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Tab content ── */
.tab-content { display: none; padding: 24px; }
.tab-content.active { display: block; }

/* ── Dashboard grid ── */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

/* ── Cards ── */
.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    border-left: 4px solid var(--f1-red);
    padding: 20px;
    margin-bottom: 20px;
}
.stat-card h3 {
    color: var(--accent);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

/* ── Cuenta atrás ── */
.cuenta-atras {
    text-align: center;
    border-left: none;
    border-bottom: 4px solid var(--f1-red);
    margin-bottom: 20px;
}
#countdown {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: #fff;
    margin-top: 8px;
}

/* ── Tablas ── */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
th {
    color: var(--accent);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 6px;
    border-bottom: 2px solid var(--border);
    text-align: left;
}
td {
    padding: 9px 6px;
    border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.03); }

.pos { font-weight: 800; color: var(--accent); }

tr.campeon td { background: rgba(255, 215, 0, 0.06); }
tr.campeon .pos { color: var(--gold); }
tr.ganador td { background: rgba(232, 0, 45, 0.07); }

/* ── Últimas carreras ── */
.carreras-recientes { display: flex; flex-direction: column; gap: 10px; }
.carrera-mini {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255,255,255,0.04);
    border-radius: 8px;
    border-left: 3px solid var(--f1-red);
}

/* ── Calendario ── */
#lista-gp { display: flex; flex-direction: column; gap: 10px; }
.gp-card {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 14px 18px;
    border-radius: 10px;
    background: rgba(255,255,255,0.03);
    border-left: 4px solid var(--border);
    transition: 0.2s;
}
.gp-card.pasado  { border-left-color: var(--f1-red); }
.gp-card.proximo { border-left-color: var(--green); }
.gp-card:hover   { background: rgba(255,255,255,0.06); }

.gp-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--border);
    text-align: center;
}
.gp-card.pasado .gp-num  { color: var(--f1-red); }
.gp-card.proximo .gp-num { color: var(--green); }

.gp-info { display: flex; flex-direction: column; gap: 2px; }
.gp-info strong { font-size: 0.95rem; }
.gp-info span   { font-size: 0.78rem; color: var(--muted); }

.gp-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; font-size: 0.78rem; color: var(--muted); }

.badge-proximo {
    background: rgba(57, 211, 83, 0.15);
    color: var(--green);
    border: 1px solid var(--green);
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
}

/* ── Botones ── */
.btn-resultados {
    background: var(--f1-red);
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    transition: 0.2s;
}
.btn-resultados:hover { background: #c0001f; }

/* ── Modal ── */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal.hidden { display: none; }
.modal-content {
    background: var(--card-bg);
    border-radius: 14px;
    border-top: 4px solid var(--f1-red);
    padding: 24px;
    width: min(700px, 95vw);
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
}
.modal-content h3 {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 1.1rem;
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.2rem;
    cursor: pointer;
}
.modal-close:hover { color: #fff; }

@media (max-width: 600px) {
    .gp-card { grid-template-columns: 32px 1fr; }
    .gp-meta { display: none; }
    #countdown { font-size: 1.5rem; }
}