/* ── Secciones del dashboard ─────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.page-title {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

/* ── KPI Cards ───────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.kpi-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--space-5);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.kpi-card:hover {
    border-color: rgba(255,255,255,0.12);
    transform: translateY(-2px);
}

.kpi-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.kpi-card-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.kpi-card-value {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.kpi-card-change {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

.kpi-card-change.positive { color: var(--color-green); }
.kpi-card-change.negative { color: var(--color-red);   }
.kpi-card-change.neutral  { color: var(--text-muted);  }

/* ── Gráficos ────────────────────────────────────────────── */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.chart-container {
    position: relative;
    width: 100%;
}

.chart-canvas-wrapper {
    height: 280px;
    position: relative;
}

.chart-canvas-wrapper canvas,
.chart-canvas-wrapper > div {
    width: 100% !important;
    height: 100% !important;
}

/* ── Tabla de señales / movers ───────────────────────────── */
.dashboard-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

/* ── Topbar: usuario + notificaciones ───────────────────── */
.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-md);
    transition: background var(--transition-fast);
}

.topbar-user:hover { background: rgba(255,255,255,0.05); }

.topbar-user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.topbar-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    background: none;
    border: none;
    position: relative;
    transition: all var(--transition-fast);
}

.topbar-icon-btn:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
}

.notif-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    background: var(--color-red);
    border-radius: var(--border-radius-full);
    font-size: 10px;
    font-weight: var(--font-bold);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* ── Hamburger btn mobile ────────────────────────────────── */
.hamburger-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--border-radius-sm);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    background: none;
    border: none;
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .hamburger-btn { display: flex; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .dashboard-bottom { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .kpi-card-value { font-size: var(--text-xl); }
}