/* EDUCI design system — warm neutral palette, light/dark aware. */

:root {
    --bg: #F5F4EE;
    --bg-elevated: #FFFFFF;
    --bg-subtle: #ECEAE1;
    --border: #DEDBCF;
    --text: #2A2822;
    --text-muted: #6B6759;
    --accent: #C2603F;
    --accent-hover: #A94F32;
    --accent-contrast: #FFFFFF;
    --success: #3F7A4E;
    --success-bg: #E4F1E6;
    --warning: #A67C1F;
    --warning-bg: #FBF1D6;
    --danger: #B3432E;
    --danger-bg: #FBE7E2;
    --shadow: 0 1px 2px rgba(42, 40, 34, 0.06), 0 4px 12px rgba(42, 40, 34, 0.06);
    --radius: 10px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #24221D;
        --bg-elevated: #2D2A24;
        --bg-subtle: #34312A;
        --border: #45412F;
        --text: #EDEAE0;
        --text-muted: #A9A492;
        --accent: #E08560;
        --accent-hover: #EC9A78;
        --accent-contrast: #24221D;
        --success: #7FBF8E;
        --success-bg: #2A3A2C;
        --warning: #D8B25B;
        --warning-bg: #3A331E;
        --danger: #E08877;
        --danger-bg: #3C2A26;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

:root[data-theme="dark"] {
    --bg: #24221D;
    --bg-elevated: #2D2A24;
    --bg-subtle: #34312A;
    --border: #45412F;
    --text: #EDEAE0;
    --text-muted: #A9A492;
    --accent: #E08560;
    --accent-hover: #EC9A78;
    --accent-contrast: #24221D;
    --success: #7FBF8E;
    --success-bg: #2A3A2C;
    --warning: #D8B25B;
    --warning-bg: #3A331E;
    --danger: #E08877;
    --danger-bg: #3C2A26;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

html, body {
    /* Belt-and-suspenders: if any element ever overflows again, this keeps it
       from dragging the whole page into horizontal scroll/zoom-out on phones
       (the actual symptom of the topnav overflow bug fixed 2026-08-26). */
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a { color: var(--accent); }

.topnav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0.75rem 1.5rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topnav__toggle { display: none; }

.topnav__collapsible {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
}

.nav-search { display: flex; gap: 0.25rem; margin: 0; }
.nav-search__input {
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    width: 160px;
}

@media (max-width: 900px) {
    .topnav__toggle { display: inline-flex; margin-left: auto; }
    .topnav__collapsible { display: none; }
    .topnav__collapsible.is-open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-elevated);
        border-bottom: 1px solid var(--border);
        padding: 1rem 1.5rem 1.25rem;
        box-shadow: var(--shadow);
        z-index: 15;
    }
    .topnav__collapsible.is-open .topnav__links { flex-direction: column; width: 100%; }
    .topnav__collapsible.is-open .topnav__link { width: 100%; }
    .topnav__collapsible.is-open .nav-search { width: 100%; }
    .topnav__collapsible.is-open .nav-search__input { flex: 1; width: auto; }
    .topnav__collapsible.is-open .profile-chip { width: 100%; }
}

.topnav__brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.01em;
}
.topnav__brand span { color: var(--accent); }

.topnav__links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
    flex-wrap: wrap;
}

.topnav__link {
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
}
.topnav__link:hover { background: var(--bg-subtle); color: var(--text); }
.topnav__link.active { background: var(--accent); color: var(--accent-contrast); }
.topnav__link--disabled { color: var(--text-muted); opacity: 0.6; cursor: not-allowed; }
.topnav__link--disabled:hover { background: none; }

.topnav__spacer { flex: 1; }

.icon-btn {
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-size: 0.95rem;
}
.icon-btn:hover { background: var(--bg-subtle); }

main.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.75rem 1.5rem 4rem;
}

.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.card h2, .card h3 { margin-top: 0; }

.grid { display: grid; gap: 1rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.75rem; }
@media (max-width: 900px) { .grid--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; }
@media (max-width: 700px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75rem; }
@media (max-width: 900px) { .grid--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.dot { display: inline-block; width: 14px; height: 14px; border-radius: 50%; flex: none; }
.dot--success { background: var(--success); }
.dot--warning { background: var(--warning); }
.dot--danger { background: var(--danger); }
.dot--muted { background: var(--border); }

.dot-summary { display: flex; align-items: center; gap: 0.4rem; font-weight: 700; font-size: 1.1rem; }
.dot-summary span { display: inline-flex; align-items: center; gap: 0.3rem; }

.progress-bar { width: 100%; height: 14px; border-radius: 999px; background: var(--bg-subtle); overflow: hidden; }
.progress-bar__fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width 0.3s ease; }

.divider { border: none; border-top: 1px solid var(--border); opacity: 0.6; margin: 1.5rem 0; }

[data-tooltip] { position: relative; cursor: help; }
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: var(--text);
    color: var(--bg);
    padding: 0.5rem 0.7rem;
    border-radius: 8px;
    font-size: 0.76rem;
    font-weight: 400;
    line-height: 1.35;
    white-space: normal;
    width: max-content;
    max-width: 220px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 30;
}
[data-tooltip]:hover::after, [data-tooltip]:focus::after, [data-tooltip]:focus-visible::after {
    opacity: 1;
    visibility: visible;
}

/* Dentro de .matrix-wrap el thead está pegado al borde superior del
   contenedor con scroll horizontal — un tooltip "hacia arriba" (el
   default) queda recortado por el propio overflow y nunca se ve. Los
   encabezados lo muestran hacia abajo, superpuesto a las filas. */
.matrix-wrap thead [data-tooltip]::after {
    bottom: auto;
    top: calc(100% + 8px);
}

.kpi {
    background: var(--bg-subtle);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
}
.kpi__label { font-size: 0.8rem; color: var(--text-muted); margin: 0 0 0.25rem; }
.kpi__value { font-size: 1.6rem; font-weight: 700; margin: 0; }

/* Tarjetas grandes para proyectar en clase (Dashboard de evaluación). */
.kpi--hero { padding: 1.5rem 1.25rem; text-align: center; }
.kpi--hero .kpi__label { font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.kpi--hero .kpi__value { font-size: 2.6rem; }
.kpi--hero .kpi__caption { font-size: 0.8rem; color: var(--text-muted); margin: 0.5rem 0 0; line-height: 1.4; }

/* Modo Proyectar (compartido): oculta navegación/pie y agranda las tarjetas
   KPI de cualquier página que lo active. */
body.educi-presentacion .topnav, body.educi-presentacion .site-footer,
body.educi-presentacion [data-hide-in-presentacion] { display: none !important; }
body.educi-presentacion main.page { max-width: 1300px; padding-top: 1.5rem; }
body.educi-presentacion .kpi .kpi__value, body.educi-presentacion .kpi--hero .kpi__value { font-size: 3rem; }
body.educi-presentacion .kpi .kpi__label, body.educi-presentacion .kpi--hero .kpi__label { font-size: 1.05rem; }
body.educi-presentacion .kpi--hero .kpi__caption { font-size: 0.95rem; }
body.educi-presentacion .progress-bar { height: 22px; }

table.table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.table th, table.table td {
    text-align: left;
    padding: 0.5rem 0.65rem;
    border-bottom: 1px solid var(--border);
}
table.table th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }
table.table tbody tr:hover { background: var(--bg-subtle); }

@media (max-width: 900px) {
    /* Grillas editables (notas, cobertura): en desktop estos inputs sueltos
       dentro de <td> no tienen font-size propio y heredan el default del
       navegador (~13px) — en iPhone eso hace que Safari haga zoom automático
       al enfocarlos, y a 20px de alto son difíciles de tocar bien. Solo se
       ajusta bajo este breakpoint para no tocar el layout de escritorio que
       Cifu ya revisó (2026-08-26, item #2 de la auditoría de celular). */
    table.table input[type="number"],
    table.table input[type="text"],
    table.table select {
        font-size: 16px;
        min-height: 40px;
        padding: 0.35rem 0.4rem;
    }
    table.table input[type="checkbox"] { width: 22px; height: 22px; }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 8px;
    padding: 0.55rem 1rem;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--accent-hover); }
.btn--secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn--secondary:hover { background: var(--bg-subtle); }
.btn--danger { background: var(--danger); }

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge--success { background: var(--success-bg); color: var(--success); }
.badge--warning { background: var(--warning-bg); color: var(--warning); }
.badge--danger { background: var(--danger-bg); color: var(--danger); }
.badge--muted { background: var(--bg-subtle); color: var(--text-muted); }

form.stack { display: flex; flex-direction: column; gap: 0.9rem; max-width: 480px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; }
.field input:not([type="radio"]):not([type="checkbox"]), .field select, .field textarea {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.92rem;
    font-family: inherit;
}
.field input:not([type="radio"]):not([type="checkbox"]):focus, .field select:focus, .field textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
/* Grupos de radio/checkbox (ej. RadioSelect de Django, que envuelve cada
   opción en su propio <div><label><input>...) — el círculo se veía
   desfasado de su texto porque heredaba el ancho 100% y el label en bloque
   de arriba, pensados para inputs de texto (2026-08-23). :has() apunta al
   label que envuelve el input, sin depender de si Django lo arma con
   <ul>/<li> o <div> (ha cambiado entre versiones). */
.field label:has(> input[type="radio"]), .field label:has(> input[type="checkbox"]) {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.92rem; font-weight: 400; margin-bottom: 0.4rem;
}
.field input[type="radio"], .field input[type="checkbox"] {
    width: auto; margin: 0; accent-color: var(--accent);
}
.help-text { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.25rem; }
.errorlist { color: var(--danger); font-size: 0.85rem; padding-left: 1.1rem; margin: 0.25rem 0; }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li {
    padding: 0.65rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    background: var(--success-bg);
    color: var(--success);
    font-size: 0.9rem;
}
.messages li.error { background: var(--danger-bg); color: var(--danger); }

.oa-block {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.oa-block summary {
    cursor: pointer;
    padding: 0.85rem 1.1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: baseline;
    flex-wrap: wrap;
    background: var(--bg-subtle);
}
.oa-block summary::-webkit-details-marker { display: none; }
.oa-block summary::before { content: '▸'; color: var(--text-muted); margin-right: 0.5rem; }

.explainer { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1rem; background: var(--bg-subtle); overflow: hidden; }
.explainer summary { cursor: pointer; padding: 0.85rem 1.1rem; list-style: none; font-weight: 600; }
.explainer summary::-webkit-details-marker { display: none; }
.explainer summary::before { content: '▸'; color: var(--accent); margin-right: 0.5rem; }
.explainer[open] summary::before { content: '▾'; }
.explainer__body { padding: 0 1.1rem 1.1rem; }
.explainer__body h4 { margin-bottom: 0.25rem; }
.explainer__body p { margin-top: 0.25rem; }
.oa-block[open] summary::before { content: '▾'; }
.oa-block__heading { flex: 1; min-width: 200px; }
.oa-block__eje { color: var(--text-muted); font-size: 0.8rem; }
.oa-block__body { padding: 1.1rem; border-top: 1px solid var(--border); }
.oa-block__dates { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.85rem; }
.oa-block__dates label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.8rem; color: var(--text-muted); }

.matrix-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.matrix {
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.82rem;
    white-space: nowrap;
}
table.matrix th, table.matrix td {
    padding: 0.4rem 0.55rem;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: center;
}
table.matrix thead th {
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-weight: 600;
    white-space: normal;
    vertical-align: middle;
}
table.matrix tbody td:nth-child(4), table.matrix thead th.matrix-name { text-align: left; }
table.matrix tfoot td, table.matrix tfoot th {
    background: var(--bg-subtle);
    font-weight: 600;
    white-space: normal;
}
.matrix-sticky {
    position: sticky;
    background: var(--bg-elevated);
    z-index: 2;
}
thead .matrix-sticky, tfoot .matrix-sticky { background: var(--bg-subtle); z-index: 3; }
.matrix-s1 { left: 0; width: 36px; min-width: 36px; }
.matrix-s2 { left: 36px; width: 100px; min-width: 100px; }
.matrix-s3 { left: 136px; width: 100px; min-width: 100px; }
.matrix-s4 { left: 236px; width: 130px; min-width: 130px; }
.matrix-s5 { left: 366px; width: 46px; min-width: 46px; border-right: 2px solid var(--border) !important; }
.matrix-eval-block { border-left: 2px solid var(--border); }

/* Tabla de notas (evaluation_grade.html): solo N° y Estudiante quedan
   fijos al hacer scroll horizontal — a diferencia de .matrix-s1..s5
   (pensadas para la nómina de Panorama), aquí el nombre va en una sola
   columna, así que necesita más ancho. */
.grade-s1 { left: 0; width: 46px; min-width: 46px; }
.grade-s2 { left: 46px; min-width: 220px; border-right: 2px solid var(--border) !important; }

@media (max-width: 900px) {
    /* Las 5 columnas fijas (N°, Ap. Paterno, Ap. Materno, Nombres, semáforo)
       suman 412px — ya más que un celular completo, sin dejar nada de pantalla
       para desplazarse hacia las notas. Se sueltan Ap. Paterno/Materno (se
       desplazan junto con las evaluaciones); N°, Nombres y el semáforo siguen
       fijos como ancla de identidad (2026-08-26, item #3 de la auditoría). El
       ancho total de la tabla no cambia — solo qué tan "pegadas" quedan estas
       dos columnas — así que las filas de pie con colspan="5" no se ven
       afectadas. */
    .matrix-s2, .matrix-s3 { position: static; left: auto; }
    .matrix-s4 { left: 36px; }
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2.5rem 1rem;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.avatar--placeholder {
    background: var(--accent);
    color: var(--accent-contrast);
    font-weight: 700;
    font-size: 1rem;
}
.avatar--lg { width: 88px; height: 88px; font-size: 2rem; }

.profile-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.6rem 0.25rem 0.25rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
}
.profile-chip:hover { background: var(--bg-subtle); }

.site-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.78rem;
    text-align: center;
    padding: 0.55rem 1rem;
}
.site-footer strong { color: var(--text); }

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.no-print { }
@media print {
    .no-print { display: none !important; }
    body { background: #fff; color: #000; }
    .card { border: 1px solid #ccc; box-shadow: none; break-inside: avoid; }
}