/* =========================================================================
   RepSalud — Tema visual unificado para los 12 tableros del módulo Alumnos
   Universidad Nacional de Mar del Plata
   ========================================================================= */

:root {
    --rs-primary:        #1F4E79;
    --rs-primary-dark:   #163A5C;
    --rs-primary-soft:   #E6EEF6;
    --rs-secondary:      #2EB6B0;
    --rs-secondary-soft: #E1F5F4;
    --rs-success:        #3FA86B;
    --rs-success-soft:   #E5F4EB;
    --rs-warning:        #E8A33D;
    --rs-warning-soft:   #FBEFD9;
    --rs-danger:         #C0392B;
    --rs-danger-soft:    #F8E1DD;

    --rs-ink:            #1B2330;
    --rs-ink-mute:       #5C6B7F;
    --rs-ink-soft:       #8896A8;

    --rs-bg:             #F5F7FB;
    --rs-card-bg:        #FFFFFF;
    --rs-border:         #E4E9F1;

    --rs-radius:         12px;
    --rs-radius-sm:      8px;
    --rs-shadow:         0 2px 10px rgba(20, 40, 80, 0.06);
    --rs-shadow-hover:   0 4px 18px rgba(20, 40, 80, 0.10);

    --rs-font:           'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ---------- Layout base de tableros ---------- */
.rs-dashboard {
    font-family: var(--rs-font);
    color: var(--rs-ink);
    background: var(--rs-bg);
    min-height: calc(100vh - 60px);
    padding: 24px 24px 48px 24px;
}

.rs-dashboard h1, .rs-dashboard h2, .rs-dashboard h3 {
    color: var(--rs-ink);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* ---------- Encabezado del tablero ---------- */
.rs-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--rs-primary-soft);
}

.rs-header__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--rs-primary);
    margin: 0;
    line-height: 1.2;
}

.rs-header__subtitle {
    font-size: 13px;
    color: var(--rs-ink-mute);
    margin: 4px 0 0 0;
}

.rs-header__meta {
    display: flex;
    gap: 16px;
    align-items: center;
    font-size: 12px;
    color: var(--rs-ink-mute);
}

.rs-header__meta strong { color: var(--rs-ink); }

/* ---------- Filtros (sticky) ---------- */
.rs-filters {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--rs-card-bg);
    border: 1px solid var(--rs-border);
    border-radius: var(--rs-radius);
    padding: 14px 18px;
    margin-bottom: 20px;
    box-shadow: var(--rs-shadow);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.rs-filters__label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--rs-ink-soft);
    font-weight: 600;
    margin-right: 4px;
}

.rs-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--rs-primary-soft);
    color: var(--rs-primary);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.rs-chip__close {
    cursor: pointer;
    opacity: .6;
    margin-left: 2px;
}

.rs-chip__close:hover { opacity: 1; }

/* ---------- KPI cards ---------- */
.rs-kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.rs-kpi {
    background: var(--rs-card-bg);
    border: 1px solid var(--rs-border);
    border-radius: var(--rs-radius);
    padding: 18px 20px;
    box-shadow: var(--rs-shadow);
    transition: box-shadow .15s ease, transform .15s ease;
    position: relative;
    overflow: hidden;
}

.rs-kpi::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--rs-primary);
}

.rs-kpi--success::before { background: var(--rs-success); }
.rs-kpi--warning::before { background: var(--rs-warning); }
.rs-kpi--danger::before  { background: var(--rs-danger); }
.rs-kpi--secondary::before { background: var(--rs-secondary); }

.rs-kpi:hover {
    box-shadow: var(--rs-shadow-hover);
    transform: translateY(-1px);
}

.rs-kpi__label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--rs-ink-soft);
    font-weight: 600;
    margin-bottom: 6px;
}

.rs-kpi__value {
    font-size: 32px;
    font-weight: 700;
    color: var(--rs-ink);
    line-height: 1.1;
    margin-bottom: 6px;
}

.rs-kpi__value sup {
    font-size: 16px;
    color: var(--rs-ink-mute);
    font-weight: 500;
    margin-left: 2px;
}

.rs-kpi__delta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
}

.rs-kpi__delta--up   { background: var(--rs-success-soft); color: var(--rs-success); }
.rs-kpi__delta--down { background: var(--rs-danger-soft);  color: var(--rs-danger); }
.rs-kpi__delta--flat { background: #EEF2F7; color: var(--rs-ink-mute); }

.rs-kpi__sparkline {
    height: 32px;
    margin-top: 10px;
}

.rs-kpi__hint {
    font-size: 11px;
    color: var(--rs-ink-soft);
    margin-top: 6px;
}

/* ---------- Cards de gráficos ---------- */
.rs-card {
    background: var(--rs-card-bg);
    border: 1px solid var(--rs-border);
    border-radius: var(--rs-radius);
    padding: 20px;
    box-shadow: var(--rs-shadow);
    margin-bottom: 20px;
}

.rs-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--rs-border);
}

.rs-card__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--rs-ink);
    margin: 0;
}

.rs-card__subtitle {
    font-size: 12px;
    color: var(--rs-ink-mute);
    margin-top: 2px;
}

.rs-card__actions {
    display: flex;
    gap: 8px;
}

.rs-card__body {
    position: relative;
    min-height: 220px;
}

.rs-card__body--tall { min-height: 360px; }

/* ---------- Grilla de gráficos ---------- */
.rs-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}

.rs-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rs-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rs-grid--7-5 { grid-template-columns: 7fr 5fr; }
.rs-grid--8-4 { grid-template-columns: 8fr 4fr; }

@media (max-width: 1100px) {
    .rs-grid--2,
    .rs-grid--3,
    .rs-grid--7-5,
    .rs-grid--8-4 { grid-template-columns: 1fr; }
}

/* ---------- Estados ---------- */
.rs-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--rs-ink-soft);
    font-size: 13px;
}

.rs-empty__icon {
    font-size: 36px;
    color: var(--rs-border);
    margin-bottom: 8px;
}

.rs-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--rs-ink-soft);
    font-size: 13px;
}

/* ---------- Tabla detalle ---------- */
.rs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.rs-table thead th {
    background: var(--rs-primary-soft);
    color: var(--rs-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid var(--rs-primary);
}

.rs-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--rs-border);
}

.rs-table tbody tr:hover td { background: var(--rs-bg); }

/* ---------- Banda de referencia clínica (overlay sobre el chart) ---------- */
.rs-ref-band {
    background: rgba(63, 168, 107, 0.08);
    border-left: 3px solid rgba(63, 168, 107, 0.4);
    padding: 4px 8px;
    font-size: 11px;
    color: var(--rs-ink-mute);
    display: inline-block;
    margin-right: 8px;
}

.rs-ref-legend {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
    font-size: 11px;
    color: var(--rs-ink-mute);
}

.rs-ref-legend span::before {
    content: "■";
    margin-right: 4px;
}

.rs-ref-legend .ref-normal::before    { color: rgba(63, 168, 107, 0.55); }
.rs-ref-legend .ref-alerta::before    { color: rgba(232, 163, 61, 0.55); }
.rs-ref-legend .ref-critico::before   { color: rgba(192, 57, 43, 0.55); }

/* ---------- Header de la app — logo UNMdP ---------- */
.rs-applogo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
}

.rs-applogo img {
    height: 36px;
    width: auto;
}

.rs-applogo__text {
    line-height: 1.1;
}

.rs-applogo__text strong {
    display: block;
    font-size: 14px;
    color: var(--rs-primary);
    font-weight: 700;
}

.rs-applogo__text small {
    font-size: 10px;
    color: var(--rs-ink-mute);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Watermark export ---------- */
.rs-watermark {
    position: fixed;
    bottom: 12px;
    right: 12px;
    font-size: 10px;
    color: var(--rs-ink-soft);
    opacity: .6;
    pointer-events: none;
    z-index: 1;
}

/* ---------- Tooltips ---------- */
.rs-tip {
    cursor: help;
    color: var(--rs-ink-soft);
    margin-left: 4px;
    font-size: 11px;
}

/* ---------- Print ---------- */
@media print {
    .rs-filters,
    .rs-card__actions { display: none; }
    .rs-card,
    .rs-kpi { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
}