/* ============================================================
   Piano Armónico — Sistema de diseño
   ============================================================ */

:root {
    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;

    /* Paleta */
    --bg: #f5f4f0;
    --surface: #ffffff;
    --surface-2: #faf9f6;
    --ink: #23263b;
    --ink-soft: #4a4e63;
    --muted: #797d8f;
    --border: #e7e5dd;
    --border-strong: #d9d6cb;

    --primary: #4f46b8;
    --primary-dark: #40389c;
    --primary-soft: #edebfb;
    --primary-tint: #f5f4fd;

    --gold: #b98a2f;
    --gold-soft: #f7edd8;

    --success: #1c7a3d;
    --success-soft: #e3f3e8;
    --warning: #8a6413;
    --warning-soft: #fdf3d8;
    --danger: #b3261e;
    --danger-soft: #fdeceb;
    --info: #0f6c8c;
    --info-soft: #e3f2f8;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(35, 38, 59, 0.06);
    --shadow-md: 0 1px 2px rgba(35, 38, 59, 0.05), 0 8px 24px -12px rgba(35, 38, 59, 0.18);
    --shadow-lg: 0 4px 12px rgba(35, 38, 59, 0.08), 0 16px 40px -16px rgba(35, 38, 59, 0.22);

    /* Radios */
    --radius: 14px;
    --radius-sm: 9px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 70, 184, 0.06), transparent);
    background-repeat: no-repeat;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

::selection {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
    background: linear-gradient(120deg, #232349 0%, #35295e 55%, #45316b 100%);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 16px rgba(24, 22, 51, 0.28);
}

.site-header::after {
    content: '';
    display: block;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold) 30%, #e3c37a 50%, var(--gold) 70%, transparent);
    opacity: 0.85;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: white;
}

.brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 1.35rem;
    color: #e9d9ac;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.brand-subtitle {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 500;
}

.site-nav {
    display: flex;
    gap: 0.35rem;
}

.site-nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    padding: 0.5rem 1.1rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background-color 0.2s, color 0.2s;
}

.site-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.site-nav a.active {
    background-color: rgba(255, 255, 255, 0.14);
    color: white;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

/* Accesos rápidos por día: solo tienen sentido en móvil, donde las
   columnas de la agenda se apilan y el salto scrollea al día. */
.site-nav-divider,
.site-nav-dia {
    display: none;
}

.site-nav-dia {
    font-size: 0.82rem;
    padding: 0.5rem 0.75rem;
}

/* ============================================================
   Main / encabezados de página
   ============================================================ */
main {
    min-height: calc(100vh - 220px);
    padding: 2.25rem 0 3rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.page-header h2 {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.header-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.recuento-alumnos {
    font-size: 0.9rem;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}

.recuento-alumnos strong {
    color: var(--primary);
    font-weight: 700;
}

.subtitle {
    color: var(--muted);
    margin-top: 0.35rem;
    font-size: 0.95rem;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1.6rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.card > h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
    font-size: 1.2rem;
    margin-bottom: 1.1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
    font-size: 1.2rem;
    margin-bottom: 0;
}

/* ============================================================
   Botones
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(180deg, #5a51c9, var(--primary));
    color: white;
    box-shadow: 0 1px 2px rgba(64, 56, 156, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #524ac0, var(--primary-dark));
    box-shadow: 0 3px 10px rgba(64, 56, 156, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--ink-soft);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

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

.btn-danger {
    background-color: var(--danger-soft);
    color: var(--danger);
}

.btn-danger:hover {
    background-color: var(--danger);
    color: white;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: #166332;
}

.btn-link {
    background: none;
    color: var(--muted);
    padding: 0.55rem 0.5rem;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn-sm {
    padding: 0.35rem 0.8rem;
    font-size: 0.82rem;
    border-radius: 8px;
}

.btn-icon {
    padding: 0.3rem 0.5rem;
    font-size: 0.82rem;
    line-height: 1;
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    padding: 0.22rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.65;
    flex-shrink: 0;
}

.badge-primary {
    background-color: var(--primary-soft);
    color: var(--primary-dark);
}

.badge-secondary {
    background-color: #eef0f3;
    color: var(--ink-soft);
}

.badge-info,
.badge-oyente {
    background-color: var(--info-soft);
    color: var(--info);
}

.badge-success,
.badge-regular {
    background-color: var(--success-soft);
    color: var(--success);
}

.badge-warning,
.badge-condicional {
    background-color: var(--warning-soft);
    color: var(--warning);
}

.badge-libre {
    background-color: #eef0f3;
    color: var(--ink-soft);
}

/* ============================================================
   Barra de progreso de requisitos (lista de alumnos)
   ============================================================ */
.progreso-cell {
    min-width: 110px;
}

.progreso {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progreso-barra {
    flex: 1;
    height: 8px;
    min-width: 55px;
    background-color: var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.progreso-relleno {
    height: 100%;
    background-color: var(--warning);
    border-radius: 999px;
    transition: width 0.3s ease;
}

.progreso-relleno.completo {
    background-color: var(--success);
}

.progreso-texto {
    font-size: 0.78rem;
    color: var(--muted);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* ============================================================
   Alertas
   ============================================================ */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
    font-weight: 500;
}

.alert-danger {
    background-color: var(--danger-soft);
    color: var(--danger);
    border: 1px solid #f5c6c3;
}

/* Mensajes flash (confirmaciones al guardar/eliminar) */
.flash-container {
    margin-bottom: 1.25rem;
}

.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    animation: flash-entrada 0.25s ease-out;
}

.flash + .flash {
    margin-top: 0.6rem;
}

.flash-success {
    background-color: var(--success-soft);
    color: var(--success);
    border: 1px solid #b9e0c6;
}

.flash-danger {
    background-color: var(--danger-soft);
    color: var(--danger);
    border: 1px solid #f5c6c3;
}

.flash-cerrar {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
}

.flash-cerrar:hover {
    opacity: 1;
}

.flash.flash-saliente {
    opacity: 0;
    transition: opacity 0.4s ease-out;
}

@keyframes flash-entrada {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Formularios y filtros
   ============================================================ */
.filtros {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1.4rem 1.75rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--shadow-md);
}

.filtros-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.filtros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
}

.filtro-item {
    display: flex;
    flex-direction: column;
}

.filtro-item label {
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filtros-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.45rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--ink-soft);
}

input[type="text"],
input[type="date"],
input[type="time"],
input[type="number"],
input[type="search"],
select,
textarea {
    padding: 0.62rem 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 0.93rem;
    font-family: var(--font-sans);
    color: var(--ink);
    background-color: var(--surface);
    transition: border-color 0.18s, box-shadow 0.18s;
}

select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23797d8f' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' d='M1.5 1.75 6 6.25l4.5-4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.4rem;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.55;
}

input:hover,
select:hover,
textarea:hover {
    border-color: #c4c0b1;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3.5px rgba(79, 70, 184, 0.13);
}

input::placeholder,
textarea::placeholder {
    color: #a9acb9;
}

.form-help {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.82rem;
    color: var(--muted);
}

/* Dictado por voz */
.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.45rem;
}

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

.btn-dictado {
    flex-shrink: 0;
}

.btn-dictado.grabando {
    background-color: var(--danger);
    border-color: var(--danger);
    color: white;
    animation: dictado-pulso 1.4s ease-in-out infinite;
}

.btn-dictado.grabando:hover {
    background-color: var(--danger);
    color: white;
}

.btn-dictado .dictado-icono {
    line-height: 1;
}

@keyframes dictado-pulso {
    0%, 100% { box-shadow: 0 0 0 0 rgba(179, 38, 30, 0.45); }
    50% { box-shadow: 0 0 0 6px rgba(179, 38, 30, 0); }
}

.dictado-estado:empty {
    display: none;
}

.dictado-estado {
    color: var(--primary-dark);
    font-weight: 500;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 0.5rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--border);
}

/* ============================================================
   Tablas
   ============================================================ */
.table-container {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    overflow-y: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: var(--surface-2);
}

.data-table th {
    padding: 0.8rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.93rem;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color 0.15s;
}

.data-table tbody tr:hover {
    background-color: var(--primary-tint);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================
   Horarios
   ============================================================ */
.semana-horarios {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.dia-columna-header {
    margin-bottom: 0.75rem;
}

.dia-columna-header h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
    font-size: 1.1rem;
}

.dia-columna {
    border-radius: var(--radius);
    scroll-margin-top: 90px;
    transition: box-shadow 0.4s ease;
}

.dia-destacado {
    box-shadow: 0 0 0 2px var(--primary);
    border-radius: var(--radius);
}

.dia-destacado .dia-columna-header h3 {
    color: var(--primary-dark);
}

.data-table-horarios td {
    vertical-align: top;
}

.slot-libre td {
    background-color: var(--surface);
}

.slot-libre:hover {
    background-color: var(--surface) !important;
}

.slot-ocupado td {
    background-color: var(--primary-tint);
}

.slot-ocupado td:first-child {
    box-shadow: inset 3px 0 0 var(--primary);
}

.slot-ocupado strong {
    color: var(--primary-dark);
}

.slot-libre strong {
    color: var(--muted);
    font-weight: 500;
}

.horario-alumnos {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.horario-alumno {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-dark);
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(79, 70, 184, 0.25);
    background: var(--surface);
    font-weight: 500;
    font-size: 0.88rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.18s;
}

.horario-alumno::before {
    content: '♪';
    font-size: 0.8rem;
    opacity: 0.6;
}

.horario-alumno:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(64, 56, 156, 0.3);
}

.horario-libre {
    color: #b4b7c2;
    font-style: italic;
    font-size: 0.88rem;
}

.acciones-lista {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.acciones-lista form {
    margin: 0;
}

/* ============================================================
   Perfil del alumno
   ============================================================ */
.datos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.1rem 1.5rem;
    margin-bottom: 0.5rem;
}

.dato-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.dato-item label {
    font-weight: 600;
    color: var(--muted);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.dato-item span {
    color: var(--ink);
    font-size: 0.95rem;
}

.dato-item .badge {
    align-self: flex-start;
}

.comentarios {
    margin-top: 1.25rem;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.comentarios label {
    font-weight: 600;
    color: var(--muted);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.4rem;
    display: block;
}

.comentarios p {
    color: var(--ink-soft);
    white-space: pre-wrap;
    font-size: 0.93rem;
}

/* ============================================================
   Requisitos de examen
   ============================================================ */
.requisitos-card {
    border-left: 4px solid var(--gold);
}

.requisitos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.requisitos-cumplidos,
.requisitos-faltantes {
    padding: 1.1rem 1.3rem;
    border-radius: var(--radius-sm);
}

.requisitos-cumplidos {
    background-color: var(--success-soft);
    border: 1px solid #c4e4cf;
}

.requisitos-faltantes {
    background-color: var(--warning-soft);
    border: 1px solid #efdfae;
}

.requisitos-title {
    margin-bottom: 0.65rem;
    font-size: 1rem;
    font-weight: 700;
}

.requisitos-title.cumplido {
    color: var(--success);
}

.requisitos-title.faltante {
    color: var(--warning);
}

.requisitos-cumplidos ul,
.requisitos-faltantes ul {
    list-style: none;
    padding: 0;
}

.requisitos-cumplidos li,
.requisitos-faltantes li {
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    font-size: 0.92rem;
}

.requisitos-cumplidos li {
    color: #185231;
}

.requisitos-faltantes li {
    color: #6e5316;
}

.requisitos-cumplidos li:last-child,
.requisitos-faltantes li:last-child {
    border-bottom: none;
}

.empty {
    color: var(--muted);
    font-style: italic;
    font-size: 0.92rem;
}

.empty.success {
    color: var(--success);
    font-weight: 600;
    font-style: normal;
}

/* ============================================================
   Trabajos musicales
   ============================================================ */
.trabajos-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.trabajo-item {
    padding: 1.1rem 1.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background-color: var(--surface-2);
    transition: border-color 0.18s, box-shadow 0.18s;
}

.trabajo-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

/* Color de fondo según el estado de estudio, para distinguir de un vistazo */
.trabajo-resuelto {
    background-color: var(--success-soft);
    border-left: 4px solid var(--success);
}

.trabajo-en-proceso {
    background-color: var(--warning-soft);
    border-left: 4px solid var(--warning);
}

.trabajo-iniciado {
    background-color: var(--info-soft);
    border-left: 4px solid var(--info);
}

.trabajo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.7rem;
}

.trabajo-header h4 {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 600;
}

.trabajo-actions {
    display: flex;
    gap: 0.45rem;
}

.trabajo-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.4rem;
}

.trabajo-comentarios {
    margin-top: 0.7rem;
    padding-top: 0.7rem;
    border-top: 1px dashed var(--border-strong);
    color: var(--ink-soft);
    font-size: 0.88rem;
}

.trabajo-clases {
    margin-top: 0.6rem;
    font-size: 0.82rem;
    color: var(--muted);
    font-weight: 500;
}

/* Checkboxes de trabajos en el formulario de seguimiento */
.trabajos-check {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.9rem;
    background-color: var(--surface-2);
}

.trabajo-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    padding: 0.25rem 0;
}

.trabajo-check input {
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
    cursor: pointer;
}

.trabajo-check-titulo {
    flex: 1;
    font-weight: 500;
    color: var(--ink);
}

/* Chips de trabajos abordados en el historial de seguimientos */
.seguimiento-trabajos {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.7rem;
}

.chip-trabajo {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    background-color: var(--primary-soft);
    color: var(--primary-dark);
}

/* ============================================================
   Seguimiento de clases
   ============================================================ */
.seguimientos-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.seguimiento-item {
    padding: 1rem 1.3rem;
    border-radius: var(--radius-sm);
    background-color: var(--surface-2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    transition: box-shadow 0.18s;
}

.seguimiento-item:hover {
    box-shadow: var(--shadow-sm);
}

.seguimiento-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-strong);
    padding-bottom: 0.5rem;
}

.seguimiento-actions {
    display: flex;
    gap: 0.35rem;
}

.seguimiento-fecha {
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 0.88rem;
    letter-spacing: 0.02em;
}

.seguimiento-comentarios p {
    margin-top: 0.25rem;
    white-space: pre-wrap;
    color: var(--ink-soft);
    font-size: 0.93rem;
}

/* ============================================================
   Estados vacíos
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--muted);
}

.empty-state::before {
    content: '♪';
    display: block;
    font-size: 2.2rem;
    color: var(--border-strong);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.empty-state p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* ============================================================
   Accesos rápidos por año
   ============================================================ */
.accesos-rapidos {
    margin-top: 1.75rem;
    padding: 1.4rem 1.75rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.accesos-rapidos h3 {
    font-family: var(--font-display);
    margin-bottom: 0.9rem;
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 600;
}

.año-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.año-links a {
    padding: 0.42rem 1rem;
    background-color: var(--surface-2);
    color: var(--ink-soft);
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.18s;
}

.año-links a:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(64, 56, 156, 0.3);
}

/* ============================================================
   Resumen año
   ============================================================ */
.resumen-año {
    background: var(--surface);
    padding: 0.9rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.resumen-año p {
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.resumen-año strong {
    color: var(--primary-dark);
}

/* ============================================================
   Footer
   ============================================================ */
footer {
    padding: 1.75rem 0 2.25rem;
    text-align: center;
}

footer p {
    font-size: 0.82rem;
    color: var(--muted);
}

footer .footer-note {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

footer .footer-note::before,
footer .footer-note::after {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--border-strong);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .site-nav {
        width: 100%;
        justify-content: center;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header h2 {
        font-size: 1.55rem;
    }

    .filtros-grid,
    .requisitos-grid,
    .datos-grid,
    .semana-horarios {
        grid-template-columns: 1fr;
    }

    .site-nav-divider {
        display: block;
    }

    .site-nav-dia {
        display: inline-flex;
    }

    .card,
    .filtros,
    .accesos-rapidos {
        padding: 1.2rem 1.25rem;
    }

    .trabajo-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .data-table {
        font-size: 0.88rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.65rem 0.75rem;
    }
}