/* =========================================================================
   SAC | Acreditaciones — Hoja de estilos base
   Paleta inspirada en el sistema interno de SAC (Módulo Web).
   Detalle de colores en README.md §8.
   ========================================================================= */

:root {
    /* Paleta SAC */
    --sac-yellow: #ffeb3b;
    --sac-black: #000000;
    --sac-red: #c0392b;
    --sac-bg: #f5f6f8;
    --sac-card: #ffffff;
    --sac-pill-inactive: #9ea3a8;
    --sac-text: #3a3a3a;
    --sac-text-muted: #6c757d;
    --sac-border: #e6e8eb;

    /* Acciones */
    --sac-action-primary: #27ae60;
    --sac-action-primary-hover: #1f8a4d;
    --sac-action-view: #5dade2;
    --sac-action-edit: #82c995;
    --sac-action-delete: #e57373;

    /* Estados */
    --sac-status-pending: #e67e22;
    --sac-status-ok: #27ae60;
    --sac-status-controlled: #27ae60;

    /* Chips / tags */
    --sac-chip-bg: #ecf0f1;
    --sac-chip-text: #555c63;

    /* Typography */
    --sac-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    /* Layout */
    --sac-radius: 10px;
    --sac-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--sac-font);
    background-color: var(--sac-bg);
    color: var(--sac-text);
    font-size: 15px;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header amarillo ---------- */
.sac-header {
    background-color: var(--sac-yellow);
    color: var(--sac-black);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.sac-header__brand {
    font-size: 16px;
    letter-spacing: 0.3px;
}

.sac-header__brand strong { font-weight: 800; }

.sac-header__logout {
    color: var(--sac-red);
    font-size: 14px;
    font-weight: 600;
}

.sac-header__logout:hover { text-decoration: underline; }

/* ---------- Navegación tipo pills ---------- */
.sac-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 22px 16px 8px;
}

.sac-nav__pill {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 6px;
    background-color: var(--sac-pill-inactive);
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.sac-nav__pill:hover { text-decoration: none; opacity: 0.92; }

.sac-nav__pill--active {
    background-color: var(--sac-yellow);
    color: var(--sac-black);
}

/* ---------- Contenedor principal ---------- */
.sac-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px 24px 64px;
}

.sac-card {
    background-color: var(--sac-card);
    border-radius: var(--sac-radius);
    box-shadow: var(--sac-shadow);
    padding: 28px;
    margin-bottom: 24px;
}

.sac-card h1, .sac-card h2 {
    margin-top: 0;
    font-weight: 600;
    color: #2c2c2c;
}

.sac-page-title {
    text-align: center;
    margin: 18px 0 28px;
    font-size: 28px;
    font-weight: 500;
    color: #4a4a4a;
}

/* ---------- Grid de cards de panel (estilo dashboard SAC) ---------- */
.sac-panel-grid {
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    padding-top: 12px;
}

.sac-panel-card {
    background-color: var(--sac-card);
    border-radius: var(--sac-radius);
    box-shadow: var(--sac-shadow);
    padding: 28px 16px 22px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.sac-panel-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
    text-decoration: none;
}

.sac-panel-card__icon {
    width: 64px;
    height: 64px;
    color: #6b6b6b;
}

.sac-panel-card__label {
    background-color: var(--sac-yellow);
    color: var(--sac-black);
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
}

/* ---------- Botones ---------- */
.sac-btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 4px;
    border: none;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.4px;
    cursor: pointer;
    color: #ffffff;
    text-transform: uppercase;
}

.sac-btn:hover { text-decoration: none; opacity: 0.92; }

.sac-btn--primary {
    background-color: var(--sac-action-primary);
}

.sac-btn--primary:hover { background-color: var(--sac-action-primary-hover); }

.sac-btn--view   { background-color: var(--sac-action-view);   color: #ffffff; padding: 6px 14px; }
.sac-btn--edit   { background-color: var(--sac-action-edit);   color: #ffffff; padding: 6px 14px; }
.sac-btn--delete { background-color: var(--sac-action-delete); color: #ffffff; padding: 6px 14px; }

.sac-btn--yellow {
    background-color: var(--sac-yellow);
    color: var(--sac-black);
}

/* ---------- Forms ---------- */
.sac-form-group {
    margin-bottom: 18px;
}

.sac-form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
    color: #2c2c2c;
    font-size: 14px;
}

.sac-form-group input[type="text"],
.sac-form-group input[type="email"],
.sac-form-group input[type="password"],
.sac-form-group input[type="number"],
.sac-form-group input[type="date"],
.sac-form-group input[type="datetime-local"],
.sac-form-group select,
.sac-form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--sac-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    background-color: #ffffff;
}

.sac-form-group textarea { min-height: 80px; resize: vertical; }

.sac-form-group input:focus, .sac-form-group select:focus, .sac-form-group textarea:focus {
    outline: none;
    border-color: var(--sac-action-view);
    box-shadow: 0 0 0 3px rgba(93, 173, 226, 0.15);
}

/* ---------- Tablas ---------- */
.sac-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.sac-table thead th {
    text-align: left;
    font-weight: 700;
    color: #4a4a4a;
    padding: 12px 10px;
    border-bottom: 1px solid var(--sac-border);
}

.sac-table tbody td {
    padding: 16px 10px;
    border-bottom: 1px solid var(--sac-border);
    vertical-align: middle;
}

.sac-table tbody tr:hover { background-color: #fafbfc; }

/* ---------- Estados (chips) ---------- */
.sac-status {
    display: inline-block;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.4px;
}

.sac-status--pending    { color: var(--sac-status-pending); }
.sac-status--ok         { color: var(--sac-status-ok); }
.sac-status--controlled { color: var(--sac-status-controlled); }
.sac-status--failed     { color: var(--sac-action-delete); }

.sac-chip {
    display: inline-block;
    background-color: var(--sac-chip-bg);
    color: var(--sac-chip-text);
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 12px;
    margin-right: 4px;
}

/* ---------- Alertas (flash) ---------- */
.sac-alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 14px;
    border: 1px solid transparent;
}

.sac-alert--success { background-color: #e8f7ee; color: #1d6e3a; border-color: #c8e6d2; }
.sac-alert--error   { background-color: #fdecea; color: #9b2620; border-color: #f5c2bd; }
.sac-alert--info    { background-color: #e8f0fa; color: #1f4f8a; border-color: #c5d8ee; }
.sac-alert--warning { background-color: #fff5e6; color: #7a4a10; border-color: #f4d9b1; }

/* ---------- Barra de filtros ---------- */
.sac-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: end;
    background-color: #fbfbfc;
    border: 1px solid var(--sac-border);
    border-radius: 6px;
    padding: 18px;
    margin-bottom: 22px;
}

.sac-filters .sac-form-group { margin-bottom: 0; flex: 1 1 180px; }

/* ---------- Sidebar de Acciones (forms) ---------- */
.sac-layout-with-sidebar {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .sac-layout-with-sidebar { grid-template-columns: 1fr; }
}

.sac-sidebar h3 {
    font-size: 16px;
    font-weight: 600;
    color: #4a4a4a;
    margin: 0 0 12px;
}

.sac-sidebar a {
    display: block;
    color: #6c8aa8;
    padding: 4px 0;
    font-size: 14px;
}

/* ---------- Paginación ---------- */
.sac-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    color: var(--sac-text-muted);
    font-size: 14px;
}

.sac-pagination a {
    color: var(--sac-action-view);
    font-weight: 600;
}

.sac-pagination a:hover { text-decoration: underline; }

/* ---------- Examen del alumno: barra superior con timer ---------- */
.sac-exam-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    border-radius: var(--sac-radius);
    box-shadow: var(--sac-shadow);
    padding: 14px 22px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 14px;
}

.sac-exam-bar__title { font-size: 14px; }
.sac-exam-bar__step  { color: var(--sac-text-muted); margin-left: 10px; }

.sac-exam-bar__timer {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    background: #f7f8fa;
    padding: 8px 18px;
    border-radius: 6px;
    border: 1px solid var(--sac-border);
}
.sac-exam-bar__timer-label {
    font-size: 11px;
    color: var(--sac-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.sac-exam-bar__timer-value {
    font-family: 'Courier New', monospace;
    font-size: 22px;
    font-weight: 700;
    color: var(--sac-text);
    margin-top: 2px;
}
.sac-exam-bar__timer--low {
    background: #fdecea;
    border-color: #f5c2bd;
}
.sac-exam-bar__timer--low .sac-exam-bar__timer-value {
    color: #9b2620;
}

/* ---------- Examen del alumno: preguntas ---------- */
.sac-question {
    border: 1px solid var(--sac-border);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 14px;
    background: #fff;
}

.sac-question__head {
    display: flex;
    gap: 10px;
    align-items: baseline;
    margin-bottom: 12px;
}
.sac-question__number  { font-weight: 700; color: var(--sac-text-muted); }
.sac-question__statement { font-weight: 600; flex: 1; }

.sac-question__image { margin: 0 0 12px; }
.sac-question__image img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 6px;
    border: 1px solid var(--sac-border);
}

.sac-question__options { display: grid; gap: 8px; }

.sac-question__option {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--sac-border);
    border-radius: 6px;
    padding: 10px 14px;
    cursor: pointer;
    transition: background-color 0.12s ease, border-color 0.12s ease;
}
.sac-question__option:hover {
    background: #fafbfc;
}
.sac-question__option input[type="radio"] {
    margin: 0;
    cursor: pointer;
}
.sac-question__option--selected {
    background: #fff8c6;
    border-color: var(--sac-yellow);
}
.sac-question__letter {
    background: #ecf0f1;
    color: var(--sac-text);
    font-weight: 700;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.sac-question__option--selected .sac-question__letter {
    background: var(--sac-yellow);
    color: #000;
}
.sac-question__text { flex: 1; }

.sac-question__status {
    margin-top: 10px;
    font-size: 12px;
    min-height: 16px;
}
.sac-question__status .sac-question__status-saving,
.sac-question__status .sac-question__status-saved,
.sac-question__status .sac-question__status-error {
    display: none;
}
.sac-question__status[data-state="saving"] .sac-question__status-saving { display: inline; color: var(--sac-text-muted); }
.sac-question__status[data-state="saved"]  .sac-question__status-saved  { display: inline; color: #1d6e3a; }
.sac-question__status[data-state="error"]  .sac-question__status-error  { display: inline; color: #9b2620; }

.sac-block-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
    flex-wrap: wrap;
}
.sac-block-footer__hint { color: var(--sac-text-muted); font-size: 13px; }

/* ---------- Footer ---------- */
.sac-footer {
    text-align: center;
    color: var(--sac-text-muted);
    font-size: 12px;
    padding: 24px 16px 32px;
}