/* =============================================================================
   Autogestión · Cursos (acceso, aula del alumno y panel del administrador)
   Misma identidad que el sitio de Uppering: fondo #030305, vidrio, cian → violeta.
   Prefijos: ag- (compartido) · al- (aula del alumno) · ad- (panel admin)
   ============================================================================= */

:root {
    --bg: #030305;
    --card: rgba(255, 255, 255, 0.035);
    --card-b: rgba(255, 255, 255, 0.09);
    --card-h: rgba(255, 255, 255, 0.065);
    --suave: #a0a0a8;
    --cian: 34, 211, 238;
    --violeta: 192, 132, 252;
    --verde: 52, 211, 153;
    --ambar: 251, 191, 36;
    --rojo: 255, 107, 107;
    --grad: linear-gradient(135deg, #00c6fb 0%, #005bea 100%);
    --f-titulo: 'Space Grotesk', sans-serif;
    --f-texto: 'Outfit', sans-serif;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    font-family: var(--f-texto);
    line-height: 1.6;
    color: #fff;
    background: var(--bg);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(700px circle at 0% 0%, rgba(0, 198, 251, 0.14), transparent 60%),
        radial-gradient(700px circle at 100% 100%, rgba(112, 0, 255, 0.14), transparent 60%);
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

h1,
h2,
h3 {
    font-family: var(--f-titulo);
    line-height: 1.15;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    touch-action: manipulation;
}

:focus-visible {
    outline: 2px solid rgb(var(--cian));
    outline-offset: 2px;
}

[hidden] {
    display: none !important;
}

.ag-solo-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.ag-suave {
    color: var(--suave);
}

/* --- BOTONES --- */
.ag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 11px 24px;
    border: 1px solid transparent;
    border-radius: 100px;
    font-size: 0.98rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.ag-btn--primario {
    color: #fff;
    background: var(--grad);
    box-shadow: 0 10px 24px -8px rgba(0, 198, 251, 0.5);
}

.ag-btn--primario:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -8px rgba(0, 198, 251, 0.6);
}

.ag-btn--ghost {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.16);
}

.ag-btn--ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
}

.ag-btn--ok {
    color: rgb(var(--verde));
    background: rgba(var(--verde), 0.12);
    border-color: rgba(var(--verde), 0.4);
}

.ag-btn--ok:hover:not(:disabled) {
    background: rgba(var(--verde), 0.22);
}

.ag-btn--peligro {
    color: #ffb4b4;
    background: rgba(var(--rojo), 0.12);
    border-color: rgba(var(--rojo), 0.4);
}

.ag-btn--peligro:hover:not(:disabled) {
    background: rgba(var(--rojo), 0.22);
}

.ag-btn--chico {
    min-height: 40px;
    padding: 7px 16px;
    font-size: 0.88rem;
}

.ag-btn--bloque {
    width: 100%;
}

.ag-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* --- FORMULARIOS --- */
.ag-campo {
    margin-bottom: 18px;
}

.ag-campo label,
.ag-etiqueta {
    display: block;
    margin-bottom: 7px;
    font-size: 0.92rem;
    font-weight: 500;
}

.ag-input,
.ag-select,
.ag-area {
    width: 100%;
    min-height: 46px;
    padding: 11px 14px;
    border-radius: 12px;
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.14);
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.ag-input:focus,
.ag-select:focus,
.ag-area:focus {
    outline: none;
    border-color: rgb(var(--cian));
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 3px rgba(var(--cian), 0.18);
}

.ag-input::placeholder,
.ag-area::placeholder {
    color: #6f6f78;
}

.ag-area {
    min-height: 110px;
    resize: vertical;
}

.ag-select {
    padding-right: 40px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.ag-select option {
    color: #fff;
    background: #0b0b10;
}

.ag-ayuda {
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--suave);
}

.ag-grupo {
    position: relative;
}

.ag-grupo .ag-input {
    padding-right: 52px;
}

.ag-ojo {
    position: absolute;
    top: 50%;
    right: 4px;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 10px;
    color: var(--suave);
    background: none;
    cursor: pointer;
    transform: translateY(-50%);
}

.ag-ojo:hover {
    color: #fff;
}

.ag-fila {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0 18px;
}

.ag-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.ag-check input {
    width: 20px;
    height: 20px;
    accent-color: #00c6fb;
}

/* --- AVISOS --- */
.ag-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.ag-alert i {
    margin-top: 4px;
}

.ag-alert--ok {
    color: #b7f5dc;
    background: rgba(var(--verde), 0.1);
    border-color: rgba(var(--verde), 0.35);
}

.ag-alert--error {
    color: #ffc2c2;
    background: rgba(var(--rojo), 0.1);
    border-color: rgba(var(--rojo), 0.35);
}

.ag-alert--info {
    color: #c7f1fb;
    background: rgba(var(--cian), 0.1);
    border-color: rgba(var(--cian), 0.35);
}

.ag-alert--aviso {
    color: #fde7a6;
    background: rgba(var(--ambar), 0.1);
    border-color: rgba(var(--ambar), 0.35);
}

.ag-alert a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --- ETIQUETAS --- */
.ag-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 11px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.ag-badge--ok {
    color: rgb(var(--verde));
    background: rgba(var(--verde), 0.12);
}

.ag-badge--aviso {
    color: rgb(var(--ambar));
    background: rgba(var(--ambar), 0.12);
}

.ag-badge--error {
    color: rgb(var(--rojo));
    background: rgba(var(--rojo), 0.12);
}

.ag-badge--info {
    color: rgb(var(--cian));
    background: rgba(var(--cian), 0.12);
}

.ag-badge--mudo {
    color: var(--suave);
    background: rgba(255, 255, 255, 0.08);
}

.ag-chip {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.8rem;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.07);
}

/* --- PROGRESO --- */
.ag-progreso {
    height: 8px;
    overflow: hidden;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.1);
}

.ag-progreso span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #00c6fb, #7000ff);
    transition: width 0.5s ease;
}

/* --- TARJETAS Y GRILLAS --- */
.ag-card {
    padding: 24px;
    border-radius: 20px;
    background: var(--card);
    border: 1px solid var(--card-b);
}

.ag-card h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 1.15rem;
}

.ag-card h2 i {
    color: rgb(var(--cian));
}

.ag-card__cab {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.ag-card__cab h2 {
    margin-bottom: 0;
}

.ag-grid {
    display: grid;
    gap: 20px;
}

.ag-grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.ag-grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
}

.ag-grid--principal {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
}

.ag-pila {
    min-width: 0;
}

.ag-pila > * + * {
    margin-top: 20px;
}

.ag-kpi {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: 20px;
    background: var(--card);
    border: 1px solid var(--card-b);
}

.ag-kpi__icono {
    display: grid;
    flex: none;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 15px;
    font-size: 1.25rem;
    color: rgb(var(--k, var(--cian)));
    background: rgba(var(--k, var(--cian)), 0.13);
}

.ag-kpi--verde {
    --k: var(--verde);
}

.ag-kpi--violeta {
    --k: var(--violeta);
}

.ag-kpi--ambar {
    --k: var(--ambar);
}

.ag-kpi__etiqueta {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--suave);
}

.ag-kpi__valor {
    font-family: var(--f-titulo);
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.ag-kpi__nota {
    font-size: 0.82rem;
    color: var(--suave);
}

/* --- TABLAS --- */
.ag-tabla-marco {
    overflow-x: auto;
    border-radius: 16px;
    background: var(--card);
    border: 1px solid var(--card-b);
}

.ag-tabla {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
}

.ag-tabla th {
    padding: 14px 16px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-align: left;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--suave);
    border-bottom: 1px solid var(--card-b);
}

.ag-tabla td {
    padding: 14px 16px;
    vertical-align: middle;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ag-tabla tr:last-child td {
    border-bottom: none;
}

.ag-tabla tbody tr:hover td {
    background: rgba(255, 255, 255, 0.025);
}

.ag-tabla .num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.ag-tabla .ag-nowrap,
.ag-tabla .ag-codigo {
    white-space: nowrap;
}

.ag-tabla a {
    text-decoration: none;
}

.ag-tabla a:hover {
    color: rgb(var(--cian));
}

.ag-celda-sub {
    display: block;
    font-size: 0.82rem;
    color: var(--suave);
}

.ag-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* --- HERRAMIENTAS DE LISTADO --- */
.ag-filtros {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
    gap: 14px;
    margin-bottom: 18px;
}

.ag-filtros .ag-campo {
    margin-bottom: 0;
    min-width: 0;
}

.ag-filtros .ag-campo--ancho {
    grid-column: span 2;
}

.ag-filtros .ag-acciones {
    flex-wrap: nowrap;
}

@media (max-width: 900px) {
    .ag-filtros {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .ag-filtros {
        grid-template-columns: minmax(0, 1fr);
    }

    .ag-filtros .ag-campo--ancho {
        grid-column: auto;
    }
}

.ag-paginacion {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.ag-paginacion a,
.ag-paginacion span {
    min-width: 42px;
    padding: 8px 14px;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--card-b);
}

.ag-paginacion a:hover {
    background: var(--card-h);
}

.ag-paginacion .is-actual {
    color: #fff;
    background: rgba(var(--cian), 0.18);
    border-color: rgba(var(--cian), 0.5);
}

.ag-vacio {
    padding: 56px 20px;
    text-align: center;
    color: var(--suave);
}

.ag-vacio i {
    display: block;
    margin-bottom: 14px;
    font-size: 2.2rem;
    color: rgb(var(--cian));
}

.ag-vacio h3 {
    margin-bottom: 6px;
    color: #fff;
}

.ag-dl {
    display: grid;
    grid-template-columns: minmax(110px, 160px) minmax(0, 1fr);
    gap: 12px 20px;
}

.ag-dl dt {
    color: var(--suave);
}

.ag-dl dd {
    font-weight: 500;
    word-break: break-word;
}

.ag-codigo {
    padding: 2px 8px;
    border-radius: 8px;
    overflow-wrap: anywhere;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.86em;
    background: rgba(255, 255, 255, 0.07);
}

.ag-linea {
    display: grid;
    gap: 16px;
    margin-left: 8px;
    padding-left: 22px;
    list-style: none;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.ag-linea li {
    position: relative;
    font-size: 0.93rem;
}

.ag-linea li::before {
    content: '';
    position: absolute;
    top: 7px;
    left: -29px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgb(var(--cian));
    box-shadow: 0 0 0 4px var(--bg);
}

.ag-linea time {
    display: block;
    font-size: 0.8rem;
    color: var(--suave);
}

/* Gráfico de barras simple (sin librerías) */
.ag-barras {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 170px;
    padding-top: 10px;
}

/* En el resumen la tarjeta del gráfico se estira con la de al lado: las barras usan el alto que sobra */
.ag-card--grafico {
    display: flex;
    flex-direction: column;
}

.ag-card--grafico .ag-barras {
    flex: 1 1 170px;
    height: auto;
    min-height: 170px;
    max-height: 360px;
}

.ag-barras__col {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: flex-end;
    min-width: 0;
    height: 100%;
}

.ag-barras__col span {
    display: block;
    min-height: 3px;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, rgba(var(--cian), 0.95), rgba(var(--violeta), 0.55));
    transition: filter 0.2s ease;
}

.ag-barras__col:hover span {
    filter: brightness(1.35);
}

.ag-barras__ejes {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--suave);
}

/* --- ESTADO DEL SISTEMA Y PASOS --- */
.ag-estado {
    display: grid;
    gap: 16px;
    list-style: none;
}

.ag-estado li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.ag-estado i {
    margin-top: 5px;
    font-size: 1.05rem;
}

.ag-estado strong {
    display: block;
    font-weight: 600;
}

.ag-estado span {
    display: block;
    font-size: 0.88rem;
    line-height: 1.45;
    color: var(--suave);
}

/* Versión corta (resumen): lo correcto y lo informativo ocupan una línea; solo lo que hay que arreglar lleva detalle (el resto está en Ajustes) */
.ag-estado--compacto {
    gap: 12px;
}

.ag-estado--compacto li.is-ok,
.ag-estado--compacto li.is-info {
    align-items: center;
}

.ag-estado--compacto li.is-ok i,
.ag-estado--compacto li.is-info i {
    margin-top: 0;
}

.ag-estado--compacto li.is-ok span,
.ag-estado--compacto li.is-info span {
    display: none;
}

.ag-pasos {
    display: grid;
    gap: 10px;
    margin: 18px 0 0 20px;
    font-size: 0.92rem;
    color: var(--suave);
}

.ag-pasos strong,
.ag-pasos em {
    font-style: normal;
    color: #fff;
}

/* --- MÓDULOS (ADMIN) --- */
.ag-modulos {
    display: grid;
    gap: 12px;
}

.ag-modulo {
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--card-b);
}

.ag-modulo[open] {
    border-color: rgba(var(--cian), 0.35);
}

.ag-modulo summary {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    list-style: none;
    cursor: pointer;
}

.ag-modulo summary::-webkit-details-marker {
    display: none;
}

.ag-modulo summary::after {
    content: '\f078';
    margin-left: 4px;
    font-family: 'Font Awesome 6 Free';
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--suave);
    transition: transform 0.2s ease;
}

.ag-modulo[open] summary::after {
    transform: rotate(180deg);
}

.ag-modulo__num {
    display: grid;
    flex: none;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
}

.ag-modulo__tit {
    flex: 1;
    min-width: 0;
    font-weight: 500;
}

.ag-modulo__form {
    padding: 4px 18px 8px;
}

.ag-modulo>form:not(.ag-modulo__form) {
    padding: 0 18px 18px;
}

.ag-input[type='file'] {
    padding: 9px 12px;
}

.ag-input[type='file']::file-selector-button {
    margin-right: 12px;
    padding: 6px 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

/* --- TOAST Y DIÁLOGO --- */
.ag-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    z-index: 999;
    max-width: calc(100% - 32px);
    padding: 12px 20px;
    border-radius: 14px;
    pointer-events: none;
    background: #101018;
    border: 1px solid var(--card-b);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translate(-50%, 20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.ag-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.ag-toast--ok {
    border-color: rgba(var(--verde), 0.5);
}

.ag-toast--error {
    border-color: rgba(var(--rojo), 0.5);
}

.ag-dialogo {
    width: calc(100% - 32px);
    max-width: 520px;
    padding: 28px;
    border-radius: 22px;
    color: #fff;
    background: #0b0b11;
    border: 1px solid var(--card-b);
}

.ag-dialogo::backdrop {
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
}

.ag-dialogo h2 {
    margin-bottom: 14px;
    font-size: 1.3rem;
}

.ag-dialogo__pie {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 22px;
}

/* =============================================================================
   ACCESO (login, recuperar, crear contraseña)
   ============================================================================= */
.ag-auth__marco {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 32px 16px;
}

.ag-auth__card {
    width: 100%;
    max-width: 440px;
    padding: clamp(28px, 5vw, 44px);
    border-radius: 28px;
    background: var(--card);
    border: 1px solid var(--card-b);
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}

.ag-auth__logo {
    display: inline-block;
    margin-bottom: 24px;
}

.ag-auth__logo img {
    height: 46px;
}

.ag-auth__card h1 {
    margin-bottom: 8px;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
}

.ag-auth__sub {
    margin-bottom: 26px;
    color: var(--suave);
}

.ag-auth__enlace {
    display: block;
    margin: -6px 0 20px;
    font-size: 0.9rem;
    text-align: right;
    color: rgb(var(--cian));
}

.ag-auth__pie {
    margin-top: 24px;
    padding-top: 20px;
    font-size: 0.92rem;
    text-align: center;
    color: var(--suave);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ag-auth__pie a {
    color: rgb(var(--cian));
}

/* =============================================================================
   AULA DEL ALUMNO
   ============================================================================= */
.al-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(3, 3, 5, 0.82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-b);
}

.al-nav__interior {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
}

.al-nav__marca {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--f-titulo);
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
}

.al-nav__marca img {
    height: 34px;
}

.al-nav__marca span {
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgb(var(--cian));
    background: rgba(var(--cian), 0.12);
}

.al-nav__links {
    display: flex;
    flex: 1;
    gap: 6px;
    overflow-x: auto;
}

.al-nav__links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 100px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    color: var(--suave);
    transition: color 0.2s ease, background 0.2s ease;
}

.al-nav__links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.al-nav__links a.is-activo {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.al-nav__salir {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.al-nav__avatar {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-weight: 700;
    background: var(--grad);
}

.al-contenido {
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 20px 80px;
}

.al-saludo h1 {
    margin-bottom: 6px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    letter-spacing: -0.02em;
}

.al-saludo p {
    color: var(--suave);
}

.al-cursos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
    gap: 22px;
    margin-top: 30px;
}

.al-curso {
    --accent: var(--cian);
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    padding: 28px;
    overflow: hidden;
    border-radius: 26px;
    background: var(--card);
    border: 1px solid var(--card-b);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.al-curso::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(420px circle at 0% 0%, rgba(var(--accent), 0.16), transparent 62%);
}

.al-curso:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--accent), 0.45);
}

.al-curso--violeta {
    --accent: var(--violeta);
}

.al-curso--verde {
    --accent: var(--verde);
}

.al-curso--ambar {
    --accent: var(--ambar);
}

.al-curso__cab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}

.al-curso__icono {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    font-size: 1.35rem;
    color: rgb(var(--accent));
    background: rgba(var(--accent), 0.13);
    border: 1px solid rgba(var(--accent), 0.3);
}

.al-curso h2 {
    margin-bottom: 8px;
    font-size: 1.45rem;
}

.al-curso__resumen {
    margin-bottom: 20px;
    color: var(--suave);
}

.al-curso__prog {
    margin-top: auto;
    margin-bottom: 20px;
}

.al-curso__prog p {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.88rem;
    color: var(--suave);
}

.al-aula {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: start;
}

.al-migas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    font-size: 0.92rem;
    color: var(--suave);
}

.al-migas a {
    text-decoration: none;
}

.al-migas a:hover {
    color: #fff;
}

.al-video {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 20px;
    background: #000;
    border: 1px solid var(--card-b);
}

.al-video iframe,
.al-video video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.al-video--vacio {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px;
    text-align: center;
    color: var(--suave);
    background: var(--card);
}

.al-video--vacio i {
    font-size: 2.4rem;
    color: rgb(var(--cian));
}

.al-info {
    margin-top: 24px;
}

.al-info h1 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    letter-spacing: -0.01em;
}

.al-info__meta {
    margin: 8px 0 0;
    color: var(--suave);
}

.al-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 20px 0;
}

.al-info p.al-resumen {
    color: rgba(255, 255, 255, 0.85);
}

.al-temas {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    list-style: none;
}

.al-temas li {
    display: flex;
    gap: 12px;
    color: rgba(255, 255, 255, 0.88);
}

.al-temas i {
    margin-top: 6px;
    font-size: 0.8rem;
    color: rgb(var(--cian));
}

.al-lista {
    position: sticky;
    top: 92px;
    padding: 22px;
    border-radius: 22px;
    background: var(--card);
    border: 1px solid var(--card-b);
}

.al-lista h2 {
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.al-lista__prog {
    margin: 14px 0 18px;
}

.al-lista__prog p {
    margin-bottom: 8px;
    font-size: 0.88rem;
    color: var(--suave);
}

.al-mod {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 13px;
    border: 1px solid transparent;
    border-radius: 14px;
    text-decoration: none;
    transition: background 0.2s ease;
}

.al-mod:hover {
    background: rgba(255, 255, 255, 0.05);
}

.al-mod.is-actual {
    background: rgba(var(--cian), 0.1);
    border-color: rgba(var(--cian), 0.35);
}

.al-mod__num {
    display: grid;
    flex: none;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
}

.al-mod.is-hecho .al-mod__num {
    color: rgb(var(--verde));
    background: rgba(var(--verde), 0.18);
}

.al-mod__tit {
    font-weight: 500;
    line-height: 1.3;
}

.al-mod__min {
    font-size: 0.82rem;
    color: var(--suave);
}

.al-bloque {
    margin-top: 24px;
}

/* =============================================================================
   PANEL DEL ADMINISTRADOR
   ============================================================================= */
.ad-shell {
    display: grid;
    grid-template-columns: 264px minmax(0, 1fr);
    min-height: 100vh;
}

.ad-side {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 22px 16px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.02);
    border-right: 1px solid var(--card-b);
}

.ad-side__marca {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 10px 24px;
    font-family: var(--f-titulo);
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
}

.ad-side__marca img {
    height: 34px;
}

.ad-side__marca span {
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgb(var(--violeta));
    background: rgba(var(--violeta), 0.14);
}

.ad-side__nav {
    display: grid;
    gap: 4px;
}

.ad-side__nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
    color: var(--suave);
    transition: background 0.2s ease, color 0.2s ease;
}

.ad-side__nav a i {
    width: 1.3em;
    text-align: center;
}

.ad-side__nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.ad-side__nav a.is-activo {
    color: #fff;
    background: rgba(var(--cian), 0.12);
    box-shadow: inset 3px 0 0 rgb(var(--cian));
}

.ad-side__pie {
    display: grid;
    gap: 4px;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--card-b);
}

.ad-side__pie a,
.ad-side__pie button {
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: 10px;
    font-size: 0.92rem;
    text-align: left;
    text-decoration: none;
    color: var(--suave);
    background: none;
    cursor: pointer;
}

.ad-side__pie a:hover,
.ad-side__pie button:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.ad-main {
    min-width: 0;
}

.ad-top {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 28px;
    background: rgba(3, 3, 5, 0.84);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--card-b);
}

.ad-top h1 {
    margin-right: auto;
    font-size: 1.35rem;
}

.ad-top__menu {
    display: none;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--card-b);
    border-radius: 12px;
    background: var(--card);
    cursor: pointer;
}

.ad-top__acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ad-top__usuario {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 240px;
    font-size: 0.88rem;
    color: var(--suave);
}

.ad-top__usuario span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ad-contenido {
    max-width: 1400px;
    padding: 28px;
}

.ad-scrim {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.6);
}

/* --- RESPONSIVE --- */
@media (max-width: 1100px) {
    .ag-grid--principal {
        grid-template-columns: minmax(0, 1fr); /* 1fr a secas toma el ancho mínimo de las tablas y desborda el celular */
    }
}

@media (max-width: 960px) {
    .al-aula {
        grid-template-columns: 1fr;
    }

    .al-lista {
        position: static;
    }

    .ad-shell {
        grid-template-columns: 1fr;
    }

    .ad-side {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 100;
        width: 280px;
        background: #08080c;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .ad-side.is-abierto {
        transform: none;
    }

    .ad-top__menu {
        display: grid;
    }

    .ad-top {
        padding: 12px 16px;
    }

    .ad-contenido {
        padding: 20px 16px 48px;
    }

    .ad-top__usuario span {
        display: none;
    }
}

@media (max-width: 720px) {
    .al-nav__interior {
        padding: 10px 16px;
    }

    .al-nav__marca span {
        display: none;
    }

    .al-nav__links {
        order: 3;
        flex: 1 1 100%; /* con flex: 1 el ancho (base 0) no fuerza el salto de línea */
        gap: 2px;
        margin: 0 -6px;
    }

    .al-nav__links a {
        gap: 6px;
        padding: 8px 12px;
        font-size: 0.95rem;
    }

    .al-contenido {
        padding: 24px 16px 64px;
    }

    .ag-dl {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .ag-dl dd {
        margin-bottom: 12px;
    }
}

@media (max-width: 520px) {
    .al-nav__salir .ag-btn span {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    .al-curso:hover,
    .ag-btn--primario:hover:not(:disabled) {
        transform: none;
    }
}