/* =====================================================================
   INFORME ALUMNO — main.css
   Estilos globales de la aplicación
   ===================================================================== */

/* ── Reset y base ─────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary:      #17426f;
    --color-primary-dark: #748ea9;
    --color-success:      #057a55;
    --color-error:        #c81e1e;
    --color-warning:      #9f580a;
    --color-info:         #1c64f2;
    --color-bg:           #f3f4f6;
    --color-surface:      #ffffff;
    --color-border:       #e5e7eb;
    --color-text:         #111827;
    --color-text-muted:   #6b7280;

    --radius:             6px;
    --shadow:             0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:          0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);

    --font-sans:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-base:     16px;
    --line-height:        1.5;
}

html {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover { text-decoration: none; }

/* ── Layout principal ─────────────────────────────────────────────── */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 1.5rem;
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
}

.main-content--centered {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
}

/* ── Cabecera ─────────────────────────────────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.5rem;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.app-header__logo { height: 36px; }

.app-header__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

.app-header__user {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .875rem;
}

.app-header__user-name { font-weight: 500; }

/* ── Navegación ───────────────────────────────────────────────────── */
.app-nav {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 1.5rem;
}

.app-nav__list {
    list-style: none;
    display: flex;
    gap: .25rem;
}

.app-nav__link {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .625rem .75rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s;
}

.app-nav__link:hover,
.app-nav__link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    text-decoration: none;
}

/* ── Footer ───────────────────────────────────────────────────────── */
.app-footer {
    padding: .75rem 1.5rem;
    text-align: center;
    font-size: .75rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

/* ── Badges de rol ────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: .2em .55em;
    border-radius: 9999px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge--alumno   { background-color: #e0f2fe; color: #0369a1; }
.badge--profesor { background-color: #fef3c7; color: #92400e; }
.badge--admin    { background-color: #f3e8ff; color: #6b21a8; }

/* ── Alertas / Flash messages ─────────────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: .625rem;
    padding: .875rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
}

.alert__icon { font-style: normal; flex-shrink: 0; }

.alert--success { background-color: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert--error   { background-color: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert--warning { background-color: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert--info    { background-color: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* ── Botones ──────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color .15s, border-color .15s, color .15s;
    text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn--primary:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover { background-color: var(--color-primary); color: #fff; }

.btn--sm { padding: .3rem .75rem; font-size: .8rem; }
.btn--full { width: 100%; }

/* ── Formularios ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-size: .875rem;
    font-weight: 500;
    margin-bottom: .375rem;
    color: var(--color-text);
}

.form-input {
    display: block;
    width: 100%;
    padding: .5rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .9rem;
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,.2);
}

.form-group--checkbox { display: flex; align-items: center; }
.checkbox-label { display: flex; align-items: center; gap: .5rem; font-size: .875rem; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

/* ── Login ────────────────────────────────────────────────────────── */
.body--minimal { background-color: var(--color-bg); }

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

.login-card {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

.login-card__header { text-align: center; margin-bottom: 1.75rem; }
.login-card__title  { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.login-card__subtitle { font-size: .875rem; color: var(--color-text-muted); margin-top: .25rem; }

/* ── Páginas de error ─────────────────────────────────────────────── */
.error-page {
    text-align: center;
    padding: 4rem 1rem;
}

.error-page__code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.error-page__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: .75rem 0;
}

.error-page__message {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

/* ── Cabecera de página ───────────────────────────────────────────── */
.page-header {
    margin-bottom: 1.5rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: 1.375rem;
    font-weight: 700;
}

/* ── Tablas ───────────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
    background-color: var(--color-surface);
}

.table th, .table td {
    padding: .625rem .875rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: 600;
    background-color: #f9fafb;
    color: var(--color-text-muted);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.table tbody tr:hover { background-color: #f9fafb; }
.table tbody tr:last-child td { border-bottom: none; }

/* Colores para notas */
.grade--pass   { color: var(--color-success); font-weight: 600; }
.grade--fail   { color: var(--color-error);   font-weight: 600; }
.grade--pending { color: var(--color-warning); }

/* ── Tarjeta genérica ─────────────────────────────────────────────── */
.card {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: .875rem;
    color: var(--color-text);
}

/* ── Dashboard: cabecera de página con acciones ───────────────────── */
.page-header--report {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header__actions {
    flex-shrink: 0;
    display: flex;
    gap: .5rem;
    align-items: center;
}

.page-subtitle {
    margin-top: .25rem;
    font-size: .875rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: .25rem;
    flex-wrap: wrap;
}

/* ── Dashboard: cabecera de la tarjeta ────────────────────────────── */
.card__title-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: .875rem;
}

.card__title-row .card__title { margin-bottom: 0; }

.report-meta {
    font-size: .75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ── Dashboard: lista de asignaturas ─────────────────────────────── */
.course-list {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* Fila de cabecera (solo visual, aria-hidden) */
.course-list__header {
    display: grid;
    grid-template-columns: 1.5rem 1fr 12rem 8rem;
    gap: .5rem;
    padding: .5rem .875rem;
    background-color: #f9fafb;
    border-bottom: 1px solid var(--color-border);
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ── Cada asignatura (details/summary) ───────────────────────────── */
.course-item {
    border-bottom: 1px solid var(--color-border);
}
.course-item:last-child { border-bottom: none; }

.course-item__header {
    display: grid;
    grid-template-columns: 1.5rem 1fr 12rem 8rem;
    gap: .5rem;
    align-items: center;
    padding: .75rem .875rem;
    cursor: pointer;
    list-style: none;
    transition: background-color .1s;
    user-select: none;
}

/* Quitar el marcador nativo del summary en todos los navegadores */
.course-item__header::-webkit-details-marker { display: none; }

.course-item__header:hover { background-color: #f9fafb; }

/* Icono toggle ▶ / ▼ */
.course-item__icon::before {
    content: '\25B6'; /* ▶ */
    font-size: .65rem;
    color: var(--color-text-muted);
    display: inline-block;
    transition: transform .2s;
}

details[open] > .course-item__header .course-item__icon::before {
    transform: rotate(90deg);
}

.course-item__name {
    font-weight: 500;
    font-size: .9rem;
}

.course-item__code {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: .8rem;
}

.course-item__period {
    font-size: .8rem;
    color: var(--color-text-muted);
}

.course-item__grade {
    text-align: right;
    font-weight: 600;
    font-size: .95rem;
}

/* ── Detalle de actividades ──────────────────────────────────────── */
.course-item__detail {
    background-color: #fafafa;
    border-top: 1px solid var(--color-border);
    padding: .75rem 1rem .75rem 2.5rem;
}

.course-item__empty {
    font-size: .85rem;
    color: var(--color-text-muted);
    padding: .25rem 0;
}

/* Tabla compacta dentro del detalle */
.table--compact th,
.table--compact td {
    padding: .375rem .625rem;
    font-size: .8rem;
}

/* ── Utilidades ───────────────────────────────────────────────────── */
.text-right  { text-align: right; }
.text-muted  { color: var(--color-text-muted); }

/* ── Badges de estado ─────────────────────────────────────────────── */
.badge--active   { background-color: #dcfce7; color: #166534; }
.badge--inactive { background-color: #f3f4f6; color: #6b7280; }

/* ── Botón de peligro (desactivar usuario) ───────────────────────── */
.btn--danger {
    background-color: var(--color-error);
    color: #fff;
    border-color: var(--color-error);
}
.btn--danger:hover {
    background-color: #9b1c1c;
    border-color: #9b1c1c;
}

/* ── Fila de usuario inactivo en tabla ───────────────────────────── */
tr.row--inactive td {
    opacity: .55;
}

/* ── Badge de fallo (login_fail) ─────────────────────────────────── */
.badge--fail    { background-color: #fde8e8; color: #c81e1e; }
.badge--warning { background-color: #fef3c7; color: #92400e; }

/* ── Barra de impersonación ──────────────────────────────────────── */
.impersonation-bar {
    background-color: #fef3c7;
    color: #92400e;
    border-bottom: 2px solid #f59e0b;
    padding: .5rem 1.5rem;
    font-size: .875rem;
    text-align: center;
}
.impersonation-bar a {
    color: #92400e;
    font-weight: 600;
    text-decoration: underline;
}

/* ── Páginas de error (403, 404, 500) ────────────────────────────── */
.error-page {
    display:         flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: center;
    text-align:      center;
    padding:         4rem 1rem;
    min-height:      60vh;
}
.error-page__code {
    font-size:   6rem;
    font-weight: 800;
    line-height: 1;
    color:       var(--color-border);
}
.error-page__title {
    font-size:   1.5rem;
    font-weight: 700;
    margin:      .75rem 0 .5rem;
}
.error-page__message {
    color:       var(--color-text-muted);
    max-width:   32rem;
    margin-bottom: 1.5rem;
}

/* ── Paginación ──────────────────────────────────────────────────── */
.pagination {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             .75rem;
    padding:         1rem 0 .25rem;
}
.pagination__info {
    font-size:  .875rem;
    color:      var(--color-text-muted);
}
.pagination__btn {
    display:         inline-flex;
    align-items:     center;
    padding:         .35rem .85rem;
    border-radius:   var(--radius);
    border:          1px solid var(--color-border);
    background:      var(--color-bg);
    color:           var(--color-primary);
    font-size:       .875rem;
    text-decoration: none;
    transition:      background .15s, border-color .15s;
}
.pagination__btn:hover {
    background:    var(--color-primary-light, #eff6ff);
    border-color:  var(--color-primary);
}
.pagination__btn--disabled {
    color:        var(--color-text-muted);
    cursor:       default;
    pointer-events: none;
}

/* ── Buscador inline ─────────────────────────────────────────────── */
.search-bar {
    display:       flex;
    align-items:   center;
    gap:           .5rem;
    margin-bottom: 1rem;
}
.search-bar__input {
    flex:          1;
    max-width:     28rem;
    padding:       .45rem .75rem;
    border:        1px solid var(--color-border);
    border-radius: var(--radius);
    font-size:     .875rem;
    background:    var(--color-bg);
    color:         var(--color-text);
}
.search-bar__input:focus {
    outline:      none;
    border-color: var(--color-primary);
    box-shadow:   0 0 0 2px rgba(26,86,219,.15);
}

/* ── Enrollment de máster ────────────────────────────────────────── */
.master-enrollment {
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}
.master-enrollment:last-child {
    border-bottom: none;
}
.master-enrollment__header {
    display:     flex;
    align-items: baseline;
    flex-wrap:   wrap;
    gap:         .5rem;
    margin-bottom: .5rem;
}
.master-enrollment__name {
    font-size:   .95rem;
    font-weight: 600;
}
.master-enrollment__edition {
    font-size: .875rem;
    flex:      1 1 auto;
}
.master-enrollment__chips {
    display: flex;
    gap:     .35rem;
    flex-wrap: wrap;
}
.master-enrollment__detail {
    width:      100%;
    margin-top: .25rem;
}
.master-enrollment__detail th {
    width: 9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: .8125rem;
    padding: .2rem .5rem .2rem 0;
    white-space: nowrap;
    vertical-align: top;
}
.master-enrollment__detail td {
    font-size: .875rem;
    padding: .2rem .5rem;
}