:root {
    --bg: #020617;
    --bg-card: #0f172a;
    --bg-card-2: #1e293b;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-faint: #64748b;
    --border: #1e293b;
    --accent: #38bdf8;
    --grid: #1e293b;

    --color-green: #22c55e;
    --color-green-bg: #14532d;
    --color-yellow: #eab308;
    --color-yellow-bg: #713f12;
    --color-red: #ef4444;
    --color-red-bg: #7f1d1d;
    --color-blue: #38bdf8;
    --color-blue-bg: #0c4a6e;
}

[data-theme="light"] {
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-2: #e2e8f0;
    --text: #0f172a;
    --text-muted: #475569;
    --text-faint: #94a3b8;
    --border: #e2e8f0;
    --accent: #0284c7;
    --grid: #e2e8f0;

    --color-green-bg: #dcfce7;
    --color-yellow-bg: #fef9c3;
    --color-red-bg: #fee2e2;
    --color-blue-bg: #e0f2fe;
}

body {
    background: var(--bg);
    color: var(--text);
    transition: background-color 0.2s, color 0.2s;
}

.metric-card {
    background: linear-gradient(145deg, var(--bg-card-2), var(--bg-card));
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
}

.metric-sub {
    font-size: 0.7rem;
    color: var(--text-faint);
    margin-top: 0.1rem;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.25rem;
}

.chart-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.75rem;
}

table th, table td {
    white-space: nowrap;
}

table th {
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

table td {
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.badge-recuperacao { background-color: var(--color-red); color: #fff; }
.badge-leve { background-color: var(--color-yellow); color: #1f2937; }
.badge-moderada { background-color: var(--color-blue); color: #fff; }
.badge-alta { background-color: var(--color-green); color: #052e16; }

.record-card {
    background: linear-gradient(145deg, var(--bg-card-2), var(--bg-card));
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    text-align: center;
}

.record-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.record-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.record-sub {
    font-size: 0.7rem;
    color: var(--text-faint);
}

.record-tag {
    display: inline-block;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.05rem 0.4rem;
    border-radius: 0.5rem;
    margin-top: 0.15rem;
}

.record-tag.real {
    background-color: var(--color-green-bg);
    color: var(--color-green);
}

.record-tag.estimado {
    background-color: var(--color-blue-bg);
    color: var(--color-blue);
}

/* ---- Semaforo ---- */
.semaphore-card {
    border-radius: 1.25rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.semaphore-dot {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.semaphore-dot.green { background-color: var(--color-green); box-shadow: 0 0 12px var(--color-green); }
.semaphore-dot.yellow { background-color: var(--color-yellow); box-shadow: 0 0 12px var(--color-yellow); }
.semaphore-dot.red { background-color: var(--color-red); box-shadow: 0 0 12px var(--color-red); }

.semaphore-card.green { border-color: var(--color-green); }
.semaphore-card.yellow { border-color: var(--color-yellow); }
.semaphore-card.red { border-color: var(--color-red); }

/* ---- Alertas ---- */
.alert-item {
    border-radius: 0.75rem;
    padding: 0.6rem 0.9rem;
    font-size: 0.85rem;
    border-left: 4px solid transparent;
    background: var(--bg-card-2);
}

.alert-item.success { border-left-color: var(--color-green); }
.alert-item.warning { border-left-color: var(--color-yellow); }
.alert-item.danger { border-left-color: var(--color-red); }
.alert-item.info { border-left-color: var(--color-blue); }

/* ---- Zonas de FC ---- */
.zone-row td:first-child {
    font-weight: 600;
}

.zone-dot {
    display: inline-block;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    margin-right: 0.4rem;
}

.zone-dot.blue { background-color: var(--color-blue); }
.zone-dot.green { background-color: var(--color-green); }
.zone-dot.yellow { background-color: var(--color-yellow); }
.zone-dot.orange { background-color: #f97316; }
.zone-dot.red { background-color: var(--color-red); }

.zone-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    padding: 0.1rem 0.5rem;
    border-radius: 0.5rem;
    background: var(--bg-card-2);
    white-space: nowrap;
}

/* ---- Theme toggle ---- */
.theme-toggle {
    background: var(--bg-card-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text);
}

/* ---- Predicoes ---- */
.prediction-card {
    background: linear-gradient(145deg, var(--bg-card-2), var(--bg-card));
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    text-align: center;
}

.prediction-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.prediction-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
}

.prediction-pace {
    font-size: 0.75rem;
    color: var(--text-faint);
}

/* ---- Tabs / paginacao ---- */
.best-tab, .page-btn {
    background: var(--bg-card-2);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
}

.best-tab.active, .page-btn.active {
    background: var(--accent);
    color: #0f172a;
    border-color: var(--accent);
    font-weight: 600;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--bg-card-2);
    font-weight: 700;
    font-size: 0.75rem;
}

.rank-badge.gold { background: #facc15; color: #1f2937; }
.rank-badge.silver { background: #cbd5e1; color: #1f2937; }
.rank-badge.bronze { background: #fb923c; color: #1f2937; }

/* responsividade extra para iPhone */
@media (max-width: 480px) {
    .metric-value { font-size: 1.4rem; }
    .record-value { font-size: 1.1rem; }
    .chart-card { padding: 0.85rem; }
}