/* ═══════════════════════════════════════════════════════════════
   Aulas Guacurarí — estilos del portal
   ═══════════════════════════════════════════════════════════════ */

:root {
    --aulas-primary:     #009688;
    --aulas-primary-dk:  #00796b;
    --aulas-primary-lt:  #e0f2f1;
    --aulas-surface:     #ffffff;
    --aulas-bg:          #f0f4f3;
    --aulas-text:        #1a2e2b;
    --aulas-text-muted:  #5f7572;
    --aulas-border:      #d0e8e4;
    --aulas-radius:      10px;
    --aulas-radius-sm:   6px;
    --aulas-shadow:      0 2px 14px rgba(0,0,0,.10);
    --aulas-transition:  .18s ease;
    --font: 'DM Sans', 'Roboto', sans-serif;

    --sidebar-w:              240px;
    --sidebar-bg:             #00695c;
    --sidebar-text:           rgba(255,255,255,.7);
    --sidebar-hover-bg:       rgba(255,255,255,.07);
    --sidebar-active-bg:      rgba(77,182,172,.18);
    --sidebar-active-border:  #4db6ac;
    --topbar-h:               54px;
}

/* ── Base ────────────────────────────────────────────────────── */
* { box-sizing: border-box; }

body.aulas-body {
    background: var(--aulas-bg);
    font-family: var(--font);
    color: var(--aulas-text);
    min-height: 100vh;
}

/* ═══════════════════════════════════════════════════════════════
   Layout: sidebar + content
   ═══════════════════════════════════════════════════════════════ */

.aulas-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.aulas-sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 300;
    transition: transform .25s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
}

.aulas-sidebar-header {
    padding: 1.375rem 1.25rem 1.125rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    flex-shrink: 0;
}
.aulas-sidebar-brand img {
    max-height: 28px;
    width: auto;
}

/* ── Nav items ───────────────────────────────────────────────── */
.aulas-sidebar-nav {
    flex: 1;
    padding: .875rem .625rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    overflow-x: hidden;
}

.aulas-nav-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .6rem .875rem;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: background .14s, color .14s, border-color .14s;
    border-left: 3px solid transparent;
    white-space: nowrap;
    overflow: hidden;
}
.aulas-nav-item i {
    font-size: 1.05rem;
    width: 1.2rem;
    flex-shrink: 0;
    text-align: center;
}
.aulas-nav-item:hover {
    background: var(--sidebar-hover-bg);
    color: rgba(255,255,255,.92);
}
.aulas-nav-item.active {
    background: var(--sidebar-active-bg);
    color: #fff;
    border-left-color: var(--sidebar-active-border);
    font-weight: 600;
}

/* ── Sidebar footer: usuario ─────────────────────────────────── */
.aulas-sidebar-footer {
    padding: .875rem .875rem 1rem;
    border-top: 1px solid rgba(255,255,255,.07);
    flex-shrink: 0;
}
.aulas-user-info {
    display: flex;
    align-items: center;
    gap: .6875rem;
    min-width: 0;
}
.aulas-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--aulas-primary);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: .03em;
}
.aulas-user-details {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.aulas-user-name {
    font-size: .8rem;
    color: rgba(255,255,255,.88);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 148px;
    display: block;
}
.aulas-logout-link {
    font-size: .73rem;
    color: rgba(255,255,255,.4);
    text-decoration: none;
    transition: color .15s;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.aulas-logout-link:hover { color: rgba(255,255,255,.75); }

.aulas-portal-back {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .8rem;
    color: rgba(255,255,255,.45);
    text-decoration: none;
    padding: .45rem .5rem;
    border-radius: 8px;
    margin-bottom: .6rem;
    transition: background .15s, color .15s;
}
.aulas-portal-back:hover {
    background: rgba(255,255,255,.07);
    color: rgba(255,255,255,.85);
}

/* ── Content wrap ────────────────────────────────────────────── */
.aulas-content-wrap {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ── Topbar (solo mobile) ────────────────────────────────────── */
.aulas-topbar {
    display: none;
    height: var(--topbar-h);
    background: var(--sidebar-bg);
    align-items: center;
    padding: 0 1rem;
    gap: .875rem;
    position: sticky;
    top: 0;
    z-index: 200;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.aulas-hamburger {
    background: none;
    border: none;
    color: rgba(255,255,255,.8);
    font-size: 1.5rem;
    padding: .2rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: color .15s;
}
.aulas-hamburger:hover { color: #fff; }
.aulas-topbar-brand img {
    max-height: 26px;
    width: auto;
}

/* ── Backdrop (mobile) ───────────────────────────────────────── */
.aulas-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 299;
    backdrop-filter: blur(2px);
}
.aulas-backdrop.active { display: block; }

/* ── Main content ────────────────────────────────────────────── */
.aulas-main {
    flex: 1;
    padding: 1.75rem 2rem;
}

/* ── Botón primario ──────────────────────────────────────────── */
.btn-aulas {
    background: var(--aulas-primary);
    border-color: var(--aulas-primary);
    color: #fff;
    border-radius: var(--aulas-radius-sm);
    font-weight: 500;
    transition: var(--aulas-transition);
}
.btn-aulas:hover:not(:disabled) {
    background: var(--aulas-primary-dk);
    border-color: var(--aulas-primary-dk);
    color: #fff;
}
.btn-aulas:disabled { opacity: .65; }

/* ── Cards de cursos ─────────────────────────────────────────── */
.curso-card {
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    box-shadow: var(--aulas-shadow);
    transition: box-shadow var(--aulas-transition), transform var(--aulas-transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.curso-card:hover {
    box-shadow: 0 10px 36px rgba(0,0,0,.16), 0 0 0 1.5px rgba(0,150,136,.25);
    transform: translateY(-4px);
}

.curso-card-header {
    aspect-ratio: 16 / 7;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.curso-card-header-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform .35s ease;
    z-index: 1;
}
.curso-card:hover .curso-card-header-img {
    transform: scale(1.04);
}

.curso-card-header-wmark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.75rem;
    color: rgba(255,255,255,.22);
    pointer-events: none;
    width: 100%;
    height: 100%;
}

.curso-card-stripe {
    height: 4px;
    flex-shrink: 0;
    background: var(--aulas-primary);
}

.curso-card-body {
    padding: 1rem 1.1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    min-width: 0;
}

.curso-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .5rem;
}

.curso-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--aulas-text);
    line-height: 1.35;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.curso-card-meta {
    font-size: .78rem;
    color: var(--aulas-text-muted);
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: .3rem;
}

/* ── Footer de cards (grid + rail) ──────────────────────────── */
.curso-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-top: auto;
    padding-top: .5rem;
    flex-wrap: nowrap;
}

.curso-card-hora {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .72rem;
    font-weight: 600;
    color: var(--aulas-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.curso-card-hora i { font-size: .75rem; }

/* ── Fila meta (cat + horas) ─────────────────────────────────── */
.curso-card-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .4rem;
}

/* ── Bloque valoración docente (estilo card) ─────────────────── */
.curso-card-valora-block {
    display: flex;
    align-items: center;
    gap: .6rem;
    border-radius: 10px;
    padding: .5rem .65rem;
    background: linear-gradient(135deg, #009688 0%, #26c6da 100%);
    box-shadow: 0 3px 10px rgba(0,150,136,.3);
    position: relative;
    overflow: hidden;
}
.curso-card-valora-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(255,255,255,.18) 0%, transparent 55%);
    border-radius: inherit;
    pointer-events: none;
}
.curso-card-valora-block::after {
    content: '';
    position: absolute;
    top: -10%; left: 0;
    width: 38%; height: 120%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.18) 25%, rgba(255,255,255,.55) 50%, rgba(255,255,255,.18) 75%, transparent 100%);
    animation: valora-shine 3s linear infinite;
    pointer-events: none;
}
.curso-card-valora-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .8rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}
.curso-card-valora-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    z-index: 1;
}
.curso-card-valora-title {
    font-size: .7rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: .02em;
    text-transform: uppercase;
}
.curso-card-valora-sub {
    font-size: .62rem;
    color: rgba(255,255,255,.82);
    line-height: 1.3;
}
.curso-card-valora-check {
    color: #fff;
    font-size: 1rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

/* ── Botón full-width + link "Ver curso" ─────────────────────── */
.curso-card-btn-full {
    width: 100%;
    justify-content: center;
    border-radius: 10px !important;
    padding: 8px 14px !important;
    font-size: .78rem !important;
}
.curso-card-ver-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    font-size: .74rem;
    font-weight: 500;
    color: var(--aulas-text-muted);
    text-decoration: none;
    padding: .2rem;
    transition: color var(--aulas-transition);
}
.curso-card-ver-link:hover { color: var(--aulas-primary); text-decoration: none; }

/* ── Label de estado al pie de card ─────────────────────────── */
.curso-card-state-label {
    display: block;
    font-size: .62rem;
    color: var(--aulas-text-muted);
    text-align: center;
    margin-top: .1rem;
    opacity: .7;
}

/* ── Badge valoración docente (detalle de curso) ─────────────── */
@keyframes valora-shine {
    0%   { transform: translateX(-220%) skewX(-22deg); }
    28%  { transform: translateX(400%)  skewX(-22deg); }
    100% { transform: translateX(400%)  skewX(-22deg); }
}
.curso-valora-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-left: auto;
    padding: 5px 13px;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    box-shadow: 0 3px 12px rgba(239,68,68,.45), 0 1px 4px rgba(0,0,0,.12);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}
.curso-valora-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(255,255,255,.22) 0%, transparent 55%);
    border-radius: inherit;
    pointer-events: none;
}
.curso-valora-badge::after {
    content: '';
    position: absolute;
    top: -10%;
    left: 0;
    width: 38%;
    height: 120%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,.18) 25%,
        rgba(255,255,255,.62) 50%,
        rgba(255,255,255,.18) 75%,
        transparent 100%
    );
    animation: valora-shine 3s linear infinite;
    pointer-events: none;
}
.curso-valora-badge i { font-size: .78rem; }

.curso-card-footer-actions {
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-shrink: 0;
}

.curso-card-bottom {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.curso-card-divider {
    border: none;
    border-top: 1px solid var(--aulas-border);
    margin: 0;
    opacity: .6;
}
.curso-card-actions {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.curso-card-actions .curso-card-btn-full { flex: none; }
.curso-card-actions .curso-card-ver-link {
    flex: none;
    border: 1.5px solid var(--aulas-border);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: .78rem;
    font-weight: 600;
    color: var(--aulas-text);
    width: 100%;
    justify-content: center;
    transition: border-color var(--aulas-transition), color var(--aulas-transition), background var(--aulas-transition);
}
.curso-card-actions .curso-card-ver-link:hover {
    border-color: var(--aulas-primary);
    color: var(--aulas-primary);
    background: var(--aulas-primary-lt);
}

/* ── Badges de estado ────────────────────────────────────────── */
.curso-estado-header-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: 0 1px 6px rgba(0,0,0,.15);
}

.curso-estado-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .7rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: .01em;
}
.curso-estado--inscripto { background: #dbeafe; color: #1d4ed8; }
.curso-estado--aprobado  { background: #dcfce7; color: #15803d; }
.curso-estado--vencido   { background: #fef3c7; color: #b45309; }
.curso-estado--default   { background: var(--aulas-bg); color: var(--aulas-text-muted); }
.curso-estado--default .bi-circle-fill {
    color: #22c55e;
    font-size: 8px;
    filter: drop-shadow(0 0 4px rgba(34,197,94,.7));
    animation: glow-pulse 2s ease-in-out infinite;
}
@keyframes glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 3px rgba(34,197,94,.6)); }
    50%       { filter: drop-shadow(0 0 7px rgba(34,197,94,.95)); }
}

/* ── CTA de inscripción (integrado en header) ────────────────── */
.insc-header-cta {
    display: flex;
    align-items: center;
    gap: .875rem;
    margin-top: 1rem;
    padding-top: .875rem;
    border-top: 1px solid var(--aulas-border);
    flex-wrap: wrap;
}
.insc-cta-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    flex: 1;
}
.insc-chip {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: rgba(0,150,136,.09);
    color: #00695c;
    border: 1px solid rgba(0,150,136,.18);
    border-radius: 20px;
    padding: 3px 10px;
    font-size: .72rem;
    font-weight: 600;
}
.insc-chip .bi { font-size: .75rem; }
.insc-btn {
    white-space: nowrap;
    width: auto !important;
    padding: 10px 24px !important;
    flex-shrink: 0;
}
@media (max-width: 680px) {
    .insc-header-cta { flex-direction: column; align-items: stretch; }
    .insc-btn { width: 100% !important; justify-content: center; }
}

/* ── Sección títulos ─────────────────────────────────────────── */
.aulas-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--aulas-text);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.aulas-section-title i { color: var(--aulas-primary); }

/* ── Empty state ─────────────────────────────────────────────── */
.aulas-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--aulas-text-muted);
}

.aulas-empty i {
    font-size: 3rem;
    color: var(--aulas-border);
    display: block;
    margin-bottom: 1rem;
}

/* ── Toast ───────────────────────────────────────────────────── */
.aulas-toast {
    min-width: 240px;
    font-size: .9rem;
}

/* ── Link ────────────────────────────────────────────────────── */
.aulas-link {
    color: var(--aulas-primary);
    text-decoration: none;
    font-weight: 500;
}
.aulas-link:hover { color: var(--aulas-primary-dk); text-decoration: underline; }

/* ── Page header ─────────────────────────────────────────────── */
.aulas-page-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--aulas-text);
    line-height: 1.2;
}
.aulas-page-subtitle {
    font-size: .85rem;
    color: var(--aulas-text-muted);
    margin-top: 2px;
}

/* ── Outline button ──────────────────────────────────────────── */
.btn-aulas-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1.5px solid var(--aulas-primary);
    color: var(--aulas-primary);
    background: transparent;
    border-radius: var(--aulas-radius-sm);
    padding: 7px 14px;
    font-size: .875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.btn-aulas-outline:hover {
    background: var(--aulas-primary-lt);
    color: var(--aulas-primary-dk);
}

/* ── Loading / empty states ──────────────────────────────────── */
.aulas-loading-state {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--aulas-text-muted);
    padding: 2.5rem 0;
    font-size: .9rem;
}
.aulas-empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--aulas-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
}
.aulas-empty-state i {
    font-size: 2.75rem;
    color: var(--aulas-border);
}
.aulas-empty-state p { margin: 0; font-size: .95rem; }

/* ── Cursos grid ─────────────────────────────────────────────── */
.aulas-cursos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    grid-auto-rows: 1fr;
    gap: 1.1rem;
}

/* ── Zona de descubrimiento (contenedor de ambos rails) ────────── */
.catalogo-discovery {
    margin-bottom: 1rem;
}

/* ── Rails de destacados ─────────────────────────────────────── */

/* Contenedor externo — clip natural de cards */
.cursos-rail {
    position: relative;
    background: #fff;
    border-radius: 14px;
    padding: 1.125rem 1.125rem 0;
    box-shadow: 0 2px 14px rgba(0,0,0,.07);
    overflow: hidden;
}

/* Header del rail */
.cursos-rail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .875rem;
}
.cursos-rail-header-left {
    display: flex;
    align-items: center;
    gap: .75rem;
}
.cursos-rail-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.cursos-rail-icon--fire {
    background: #fff7ed;
    color: #ea580c;
    border: 1px solid #fed7aa;
}
.cursos-rail-icon--new {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}
.cursos-rail-icon--grid {
    background: var(--aulas-primary-lt);
    color: var(--aulas-primary);
    border: 1px solid var(--aulas-border);
}
.cursos-rail-titulo {
    font-size: .95rem;
    font-weight: 700;
    color: var(--aulas-text);
    margin: 0;
    line-height: 1.2;
}
.cursos-rail-sub {
    font-size: .73rem;
    color: var(--aulas-text-muted);
    margin: 2px 0 0;
}

/* Flechas de navegación — más grandes */
.cursos-rail-arrows {
    display: flex;
    gap: .35rem;
    flex-shrink: 0;
}
.cursos-rail-arrow {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid var(--aulas-border);
    background: var(--aulas-surface);
    box-shadow: 0 1px 4px rgba(0,0,0,.08);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--aulas-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s, opacity .15s, box-shadow .15s;
}
.cursos-rail-arrow:hover:not(:disabled) {
    border-color: var(--aulas-primary);
    color: #fff;
    background: var(--aulas-primary);
    box-shadow: 0 3px 10px rgba(0,150,136,.3);
}
.cursos-rail-arrow:disabled { opacity: .25; cursor: default; }

/* Track */
.cursos-rail-track {
    display: flex;
    align-items: stretch;
    gap: .875rem;
    overflow-x: auto;
    overflow-y: visible;
    padding-top: 6px;
    margin-top: -6px;
    padding-bottom: 12px;
    margin-bottom: -12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    scrollbar-width: none;
}
.cursos-rail-track::-webkit-scrollbar { display: none; }

/* Dots de posición en carrusel */
.cursos-rail-dots {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding-top: 10px;
}
.cursos-rail-dot {
    width: 5px;
    height: 5px;
    border-radius: 3px;
    background: var(--aulas-border);
    transition: width .2s ease, background .2s ease;
    display: inline-block;
    flex-shrink: 0;
}
.cursos-rail-dot.active {
    width: 16px;
    background: var(--aulas-primary);
}
/* Solo visible en mobile */
@media (min-width: 768px) {
    .cursos-rail-dots { display: none; }
}

.cursos-rail-item {
    flex: 0 0 300px;
    max-width: 300px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
}


/* Botón de acción compacto en rail */
.btn-rail-accion {
    font-size: .72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-family: var(--font);
    transition: background .15s, color .15s, border-color .15s, transform .1s;
    white-space: nowrap;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    line-height: 1.5;
}
.btn-rail-accion:active { transform: scale(.96); }
.btn-rail-accion--inscribir {
    background: var(--aulas-primary);
    color: #fff;
}
.btn-rail-accion--inscribir:hover { background: var(--aulas-primary-dk); color: #fff; }
.btn-rail-accion--renovar {
    background: #fff7ed;
    color: #c2410c;
    border: 1px solid #fdba74;
}
.btn-rail-accion--renovar:hover { background: #ffedd5; color: #9a3412; }
.btn-rail-accion--ver {
    background: transparent;
    color: var(--aulas-text-muted);
    border: 1px solid var(--aulas-border);
}
.btn-rail-accion--ver:hover {
    color: var(--aulas-primary);
    border-color: var(--aulas-primary);
    background: var(--aulas-primary-lt);
}

/* Badge ranking (1, 2, 3...) — estilo medalla */
.rail-rank-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    border-radius: 20px;
    padding: 3px 8px 3px 5px;
    font-size: .67rem;
    font-weight: 700;
    box-shadow: 0 1px 6px rgba(0,0,0,.2);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    letter-spacing: .01em;
    white-space: nowrap;
    width: auto;
    height: auto;
}
.rail-rank-icon {
    line-height: 1;
    font-size: .82rem;
}
.rail-rank-badge--1 {
    background: rgba(254,243,199,.93);
    color: #92400e;
    border: 1px solid rgba(252,211,77,.7);
}
.rail-rank-badge--2 {
    background: rgba(241,245,249,.93);
    color: #334155;
    border: 1px solid rgba(203,213,225,.7);
}
.rail-rank-badge--3 {
    background: rgba(255,247,237,.93);
    color: #7c2d12;
    border: 1px solid rgba(253,186,116,.7);
}
.rail-rank-badge--n {
    background: rgba(0,0,0,.55);
    color: #fff;
    border: 1px solid transparent;
}

/* Badge fecha (Novedades) */
.rail-fecha-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    background: rgba(5, 150, 105, .85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    font-size: .6rem;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: 20px;
    letter-spacing: .04em;
    text-transform: uppercase;
    z-index: 2;
    white-space: nowrap;
}


/* Separación entre rails */
.cursos-rail + .cursos-rail {
    margin-top: 1rem;
}

/* Contenedor blanco de "Todos los cursos" */
.catalogo-section {
    background: #fff;
    border-radius: 14px;
    padding: 1.125rem 1.125rem 1.25rem;
    box-shadow: 0 2px 14px rgba(0,0,0,.07);
}

/* Buscador sticky */
.catalogo-search-sticky {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #fff;
    margin: 0 -1.125rem;
    padding: .625rem 1.125rem;
    transition: box-shadow .2s;
}
.catalogo-search-sticky.is-stuck {
    box-shadow: 0 4px 18px rgba(0,0,0,.10);
}
@media (max-width: 767px) {
    .catalogo-search-sticky { top: var(--topbar-h); }
}

@media (max-width: 767px) {
    .cursos-rail-arrows { display: none; }
    .cursos-rail { padding-bottom: .875rem; }
    .cursos-rail-item { flex: 0 0 280px; max-width: 280px; }
}

/* ── Resumen de categorías (barra superior) ──────────────────── */
.cat-resumen {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 1rem;
    padding: .625rem .75rem;
    background: var(--aulas-surface);
    border-radius: 14px;
    box-shadow: 0 2px 14px rgba(0,0,0,.07);
}

.cat-chip {
    display: inline-flex;
    align-items: center;
    gap: .38rem;
    background: transparent;
    border: 1.5px solid transparent;
    border-radius: 20px;
    padding: .28rem .75rem .28rem .5rem;
    font-size: .8rem;
    font-weight: 600;
    font-family: var(--font);
    color: var(--aulas-text-muted);
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
    white-space: nowrap;
}
.cat-chip i { font-size: .88rem; }
.cat-chip:hover {
    background: var(--aulas-bg);
    border-color: var(--aulas-border);
    color: var(--aulas-text);
}
.cat-chip.active {
    background: var(--aulas-bg);
    border-color: var(--aulas-border);
    color: var(--aulas-text);
}
.cat-chip-count {
    font-size: .68rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 20px;
}

.cat-resumen-sep {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--aulas-border) 20%, var(--aulas-border) 80%, transparent);
    margin-bottom: 1rem;
}

/* ── Botón flotante ir arriba ─────────────────────────────────── */
.btn-top {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--aulas-primary);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(0,150,136,.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .22s, transform .22s, background .15s;
    z-index: 100;
}
.btn-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.btn-top:hover { background: var(--aulas-primary-dk); }

/* ── Acordeón de categorías (Mis cursos) ─────────────────────── */
.cat-acordeon {
    display: flex;
    flex-direction: column;
    gap: .625rem;
}

.cat-panel {
    background: var(--aulas-surface);
    border-radius: 14px;
    box-shadow: 0 2px 14px rgba(0,0,0,.07);
    overflow: hidden;
    transition: box-shadow .2s;
}

.cat-panel.open {
    box-shadow: 0 6px 24px rgba(0,0,0,.11);
}

.cat-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    padding: 1rem 1.125rem;
    cursor: pointer;
    font-family: var(--font);
    gap: .75rem;
    transition: background .15s;
}
.cat-panel-header:hover { background: rgba(0,0,0,.022); }

.cat-panel-header-left {
    display: flex;
    align-items: center;
    gap: .7rem;
    min-width: 0;
}

.cat-panel-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    transition: transform .2s;
}
.cat-panel.open .cat-panel-icon { transform: scale(1.08); }

.cat-panel-name {
    font-size: .9rem;
    font-weight: 600;
    color: var(--aulas-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cat-panel-badge {
    font-size: .72rem;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 20px;
    flex-shrink: 0;
    letter-spacing: .02em;
}

.cat-panel-chevron {
    color: var(--aulas-text-muted);
    font-size: .8rem;
    flex-shrink: 0;
    transition: transform .28s cubic-bezier(.4,0,.2,1), color .2s;
}
.cat-panel.open .cat-panel-chevron {
    transform: rotate(-180deg);
    color: var(--aulas-text);
}

/* Animación altura con grid-template-rows */
.cat-panel-body-wrap {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .3s cubic-bezier(.4,0,.2,1);
}
.cat-panel.open .cat-panel-body-wrap {
    grid-template-rows: 1fr;
}

.cat-panel-body-inner {
    overflow: hidden;
}

.cat-panel-body {
    padding: 1rem 1.125rem 1.125rem;
    border-top: 1px solid var(--aulas-border);
}

/* ── Section sub-header ──────────────────────────────────────── */
.aulas-section-header {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--aulas-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    padding-bottom: .4rem;
    border-bottom: 1px solid var(--aulas-border);
}
.aulas-section-badge {
    background: var(--aulas-border);
    color: var(--aulas-text-muted);
    border-radius: 20px;
    padding: 1px 8px;
    font-size: .72rem;
    font-weight: 600;
}

/* ── Card extras ─────────────────────────────────────────────── */
.curso-card-desc {
    font-size: .81rem;
    color: var(--aulas-text-muted);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.curso-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .76rem;
    font-weight: 500;
    color: var(--aulas-text-muted);
}
.curso-cat-badge i { font-size: .8rem; }

.curso-cert-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 7px;
    border: 1.5px solid #bbf7d0;
    background: #f0fdf4;
    color: #15803d;
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
    margin-top: auto;
}
.curso-cert-btn:hover {
    background: #dcfce7;
    border-color: #86efac;
    color: #166534;
}
.curso-cert-btn--pdf {
    border-color: #fecaca;
    background: #fff5f5;
    color: #dc2626;
}
.curso-cert-btn--pdf:hover {
    background: #fee2e2;
    border-color: #f87171;
    color: #b91c1c;
}

/* ── Botón renovar certificado ───────────────────────────────── */
.btn-aulas-renovar {
    width: 100%;
    background: #fff7ed;
    border: 1.5px solid #fdba74;
    color: #c2410c;
    border-radius: 9px;
    padding: 9px;
    font-size: .875rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    transition: background .15s, border-color .15s;
    margin-top: auto;
}
.btn-aulas-renovar:hover:not(:disabled) {
    background: #ffedd5;
    border-color: #fb923c;
    color: #9a3412;
}
.btn-aulas-renovar:disabled { opacity: .58; cursor: not-allowed; }


/* ── Search input ────────────────────────────────────────────── */
.aulas-search-wrap {
    position: relative;
    max-width: 380px;
}
.aulas-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--aulas-text-muted);
    font-size: .9rem;
    pointer-events: none;
}
.aulas-search-input {
    width: 100%;
    border: 1.5px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    padding: 9px 14px 9px 36px;
    font-size: .9rem;
    background: #fff;
    color: var(--aulas-text);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.aulas-search-input:focus {
    border-color: var(--aulas-primary);
    box-shadow: 0 0 0 3px rgba(0,150,136,.1);
}

/* ═══════════════════════════════════════════════════════════════
   Perfil
   ═══════════════════════════════════════════════════════════════ */

.perfil-wrap {
    max-width: 720px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Header card ──────────────────────────────────────── */
.perfil-header {
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    box-shadow: var(--aulas-shadow);
    overflow: hidden;
}
.perfil-header-body {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.375rem 1.75rem 1.375rem;
    min-width: 0;
}
.perfil-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--aulas-primary);
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: .02em;
    border: 3px solid var(--aulas-surface);
    box-shadow: 0 4px 16px rgba(0,150,136,.35);
}
.perfil-header-info {
    flex: 1;
    min-width: 0;
}
.perfil-nombre {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--aulas-text);
    margin: 0 0 .3rem;
    line-height: 1.2;
}
.perfil-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}
.perfil-chip {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: var(--aulas-bg);
    border: 1px solid var(--aulas-border);
    border-radius: 20px;
    padding: 2px 10px 2px 8px;
    font-size: .75rem;
    color: var(--aulas-text-muted);
    font-weight: 500;
}
.perfil-chip i { font-size: .75rem; }

/* Progreso */
.perfil-progress {
    padding: 0 1.75rem 1.25rem;
    border-top: 1px solid var(--aulas-border);
    margin-top: .25rem;
    padding-top: .875rem;
}
.perfil-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .45rem;
    font-size: .75rem;
}
.perfil-progress-label { color: var(--aulas-text-muted); font-weight: 500; }
.perfil-progress-pct { color: var(--aulas-primary); font-weight: 700; }
.perfil-progress-bar-track {
    height: 5px;
    background: var(--aulas-border);
    border-radius: 10px;
    overflow: hidden;
}
.perfil-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--aulas-primary), #26a69a);
    border-radius: 10px;
    transition: width .5s ease;
}

/* ── Form card ────────────────────────────────────────── */
.perfil-form-card {
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    box-shadow: var(--aulas-shadow);
    padding: 1.625rem 1.75rem;
}
.perfil-section {
    margin-bottom: 1.5rem;
}
.perfil-section:last-of-type { margin-bottom: 0; }
.perfil-section-label {
    font-size: .7rem;
    font-weight: 700;
    color: var(--aulas-primary);
    text-transform: uppercase;
    letter-spacing: .1em;
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 0 .75rem .625rem;
    border-left: 3px solid var(--aulas-primary);
    margin-bottom: 1rem;
}

/* Fields */
.perfil-field { margin-bottom: 1rem; }
.perfil-field:last-child { margin-bottom: 0; }
.perfil-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.perfil-label {
    display: block;
    font-size: .79rem;
    font-weight: 600;
    color: var(--aulas-text);
    margin-bottom: .3rem;
}
.perfil-input {
    width: 100%;
    border: 1.5px solid var(--aulas-border);
    border-radius: 8px;
    padding: 9px 12px;
    font-size: .875rem;
    font-family: var(--font);
    color: var(--aulas-text);
    background: #fafffe;
    outline: none;
    transition: border-color .18s, box-shadow .18s;
    -webkit-appearance: none;
    appearance: none;
}
.perfil-input:focus {
    border-color: var(--aulas-primary);
    box-shadow: 0 0 0 3px rgba(0,150,136,.1);
    background: #fff;
}
.perfil-input:disabled {
    opacity: .45;
    cursor: not-allowed;
    background: var(--aulas-bg);
}

/* Slide show/hide para provincia y localidad */
.perfil-ubicacion-extra {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height .32s ease, opacity .25s ease, margin-top .32s ease;
    margin-top: 0;
}
.perfil-ubicacion-extra.visible {
    max-height: 110px;
    opacity: 1;
    margin-top: 1rem;
}

/* Actions */
.perfil-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.375rem;
    padding-top: 1.125rem;
    border-top: 1px solid var(--aulas-border);
}
.perfil-save-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--aulas-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 9px 22px;
    font-size: .875rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: background .18s, transform .14s, box-shadow .18s;
}
.perfil-save-btn:hover:not(:disabled) {
    background: var(--aulas-primary-dk);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,150,136,.3);
}
.perfil-save-btn:disabled { opacity: .6; cursor: not-allowed; }
.perfil-save-status { font-size: .82rem; }
.perfil-locked-note {
    font-size: .82rem;
    color: var(--aulas-text-muted);
    display: flex;
    align-items: center;
    gap: .4rem;
}

/* Banner bloqueado */
.perfil-locked-banner {
    display: flex;
    align-items: center;
    gap: .65rem;
    background: #fff8e1;
    border: 1px solid #ffe082;
    border-radius: var(--aulas-radius);
    padding: .75rem 1.1rem;
    font-size: .875rem;
    color: #7c5e00;
}
.perfil-locked-banner i { font-size: 1rem; color: #e6a800; flex-shrink: 0; }

/* Chip muted */
.perfil-chip--muted { color: var(--aulas-text-muted); background: var(--aulas-bg); }
.perfil-chip--pendiente { color: #92400e; background: #fef3c7; border-color: #fde68a; cursor: default; }

/* ── Sección email ───────────────────────────────────────── */
.perfil-email-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 0;
}
.perfil-email-info {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    min-width: 0;
}
.perfil-email-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--aulas-text-muted);
}
.perfil-email-value {
    font-size: .95rem;
    color: var(--aulas-text);
    font-weight: 500;
    word-break: break-all;
}
.perfil-email-pendiente {
    font-size: .75rem;
    color: #92400e;
    display: flex;
    align-items: center;
    gap: .3rem;
}
.perfil-email-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: none;
    border: 1px solid var(--aulas-border);
    border-radius: 6px;
    padding: .4rem .85rem;
    font-size: .82rem;
    color: var(--aulas-text-muted);
    cursor: pointer;
    transition: border-color .15s, color .15s;
}
.perfil-email-btn:hover { border-color: var(--aulas-primary); color: var(--aulas-primary); }
.perfil-email-sep { border: none; border-top: 1px solid var(--aulas-border); margin: .25rem 0; }
.perfil-email-form { margin-top: .75rem; display: flex; flex-direction: column; gap: .6rem; }
.perfil-email-form-actions { display: flex; align-items: center; gap: .75rem; }
.perfil-save-btn--sm { padding: .45rem 1rem; font-size: .85rem; }
.perfil-email-cancel {
    background: none; border: none; font-size: .85rem;
    color: var(--aulas-text-muted); cursor: pointer; padding: 0;
}
.perfil-email-cancel:hover { color: var(--aulas-text); }
.perfil-email-hint   { font-size: .78rem; color: var(--aulas-text-muted); margin: 0; }
.perfil-email-locked { font-size: .8rem; color: var(--aulas-text-muted); display: flex; align-items: center; gap: .3rem; }

/* Mobile */
@media (max-width: 575px) {
    .perfil-header-body { flex-direction: column; align-items: flex-start; gap: .75rem; padding: 1.25rem; }
    .perfil-progress { padding: 0 1.25rem 1.1rem; }
    .perfil-form-card { padding: 1.375rem 1.25rem; }
    .perfil-field-row { grid-template-columns: 1fr; gap: 0; }
    .perfil-ubicacion-extra.visible { max-height: 220px; }
}

/* ═══════════════════════════════════════════════════════════════
   Login / Registro
   ═══════════════════════════════════════════════════════════════ */

.aulas-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    background: #00695c;
}

.aulas-login-body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 12% 82%, rgba(0,220,200,.2) 0%, transparent 100%),
        radial-gradient(ellipse 55% 65% at 90% 10%, rgba(0,40,35,.55) 0%, transparent 100%),
        radial-gradient(ellipse 90% 90% at 50% 50%, #00897b 0%, #004d40 100%);
    pointer-events: none;
}

.aulas-login-body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,.055) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
}

.aulas-login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 460px;
}

.aulas-login-card {
    background: #fff;
    border-radius: 20px;
    box-shadow:
        0 24px 64px rgba(0,0,0,.22),
        0 4px 16px rgba(0,0,0,.1);
    overflow: hidden;
}

.aulas-login-card-accent {
    height: 3px;
    background: linear-gradient(90deg, #4db6ac, #009688, #00bfa5, #009688, #4db6ac);
    background-size: 300% 100%;
    animation: accentShimmer 4s linear infinite;
}

@keyframes accentShimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.aulas-login-inner  { padding: 2.25rem 2.5rem 2rem; }

.aulas-login-footer {
    padding: 1rem 2.5rem 1.25rem;
    background: #f7fafa;
    border-top: 1px solid #edf2f1;
    text-align: center;
    font-size: .84rem;
    color: var(--aulas-text-muted);
}
.aulas-login-guest {
    padding: .5rem 2.5rem 1.5rem;
    background: #f7fafa;
    text-align: center;
}
.aulas-login-guest-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .82rem;
    color: var(--aulas-text-muted);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px dashed var(--aulas-border);
    transition: color var(--aulas-transition), border-color var(--aulas-transition),
                background var(--aulas-transition);
}
.aulas-login-guest-btn:hover {
    color: var(--aulas-primary);
    border-color: var(--aulas-primary);
    background: var(--aulas-primary-lt);
}

.aulas-login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.aulas-login-logo img {
    max-height: 74px;
    width: auto;
    margin-bottom: .5rem;
}

.aulas-login-subtitle {
    font-size: .72rem;
    color: var(--aulas-text-muted);
    margin: 0;
    letter-spacing: .09em;
    text-transform: uppercase;
    font-weight: 600;
}

/* ── Numbered step indicator ─────────────────────────────────── */
.reg-steps { margin-bottom: 2rem; }

/* Fila 1: círculos + líneas perfectamente centrados */
.reg-steps-track {
    display: flex;
    align-items: center;
}

.reg-step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .78rem;
    font-weight: 700;
    border: 2px solid #d1d9e0;
    background: #fff;
    color: #b0bec5;
    flex-shrink: 0;
    transition: all .35s cubic-bezier(.4,0,.2,1);
}

.reg-step-line {
    flex: 1;
    height: 2px;
    background: #e2e8f0;
    border-radius: 1px;
    transition: background .35s;
}
.reg-step-line.done { background: var(--aulas-primary); }

/* Fila 2: labels alineados debajo de cada círculo */
.reg-steps-labels {
    display: flex;
    margin-top: 6px;
}

.reg-step-label {
    flex: 1;
    font-size: .64rem;
    color: #b0bec5;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: color .35s;
    text-align: center;
}

/* Aplica estado done/active a círculos y labels vía data-attr en los wrappers */
.reg-step-num.done  { background: var(--aulas-primary); border-color: var(--aulas-primary); color: #fff; }
.reg-step-num.active {
    border-color: var(--aulas-primary);
    color: var(--aulas-primary);
    box-shadow: 0 0 0 4px rgba(0,150,136,.13);
}
.reg-step-label.done   { color: var(--aulas-primary); }
.reg-step-label.active { color: var(--aulas-primary-dk); }

/* ── Botón Volver ────────────────────────────────────────────── */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--aulas-primary-lt);
    border: none;
    color: var(--aulas-primary-dk);
    font-size: .82rem;
    font-weight: 600;
    font-family: var(--font);
    padding: 5px 11px 5px 8px;
    border-radius: 20px;
    cursor: pointer;
    margin-bottom: 1.25rem;
    transition: background .15s, color .15s;
}
.btn-back:hover { background: #b2dfdb; color: #004d40; }
.btn-back i { font-size: .78rem; }

/* ── Step transitions ────────────────────────────────────────── */
.registro-step { display: none; }
.registro-step.active {
    display: block;
    animation: stepReveal .28s cubic-bezier(.4,0,.2,1) forwards;
}

@keyframes stepReveal {
    from { opacity: 0; transform: translateY(9px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Step description ────────────────────────────────────────── */
.step-desc {
    font-size: .875rem;
    color: var(--aulas-text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.55;
}

/* ── Custom inputs ───────────────────────────────────────────── */
.reg-field              { margin-bottom: 1rem; }
.reg-field-row          { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1rem; }
.reg-field-row .reg-field { margin-bottom: 0; }

.reg-label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: .35rem;
}
.reg-label .req { color: var(--aulas-primary); margin-left: 1px; }

.reg-input-wrap { position: relative; }

.reg-input {
    width: 100%;
    border: 1.5px solid #d1d9e0;
    border-radius: 9px;
    padding: 11px 14px;
    font-size: .92rem;
    font-family: var(--font);
    color: var(--aulas-text);
    background: #fafbfc;
    transition: border-color .2s, box-shadow .2s, background .2s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.reg-input:focus {
    border-color: var(--aulas-primary);
    box-shadow: 0 0 0 3px rgba(0,150,136,.13);
    background: #fff;
}
.reg-input::placeholder { color: #c4cdd6; }
.reg-input.with-icon    { padding-left: 40px; }
.reg-input.with-btn     { padding-right: 44px; }

.reg-input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: #b0bec5;
    font-size: .95rem;
    pointer-events: none;
    transition: color .2s;
}
.reg-input-wrap:focus-within .reg-input-icon { color: var(--aulas-primary); }

.reg-input-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 6px 10px;
    color: #90a4ae;
    cursor: pointer;
    border-radius: 6px;
    line-height: 1;
    transition: color .15s, background .15s;
}
.reg-input-btn:hover { color: #37474f; background: #f0f4f7; }

/* ── DNI preview chip ────────────────────────────────────────── */
.dni-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #e0f2f1;
    color: #00695c;
    border-radius: 20px;
    padding: 4px 11px 4px 8px;
    font-size: .79rem;
    font-weight: 700;
    letter-spacing: .07em;
    margin-top: 7px;
    font-family: 'Courier New', monospace;
    animation: chipPop .22s ease;
}
.dni-chip i { font-size: .72rem; }

@keyframes chipPop {
    from { transform: scale(.8); opacity: 0; }
    to   { transform: scale(1);  opacity: 1; }
}

/* ── Domain hint ─────────────────────────────────────────────── */
.domain-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    padding: 8px 11px;
    margin-top: 7px;
    font-size: .82rem;
    color: #92400e;
    animation: stepReveal .2s ease;
}
.domain-hint i  { color: #d97706; flex-shrink: 0; }
.domain-hint a  { color: #065f46; font-weight: 600; text-decoration: none; }
.domain-hint a:hover { text-decoration: underline; }

/* ── Error / Info alerts ─────────────────────────────────────── */
.reg-alert {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    border-radius: 9px;
    padding: 10px 13px;
    font-size: .85rem;
    margin-bottom: 1.1rem;
    animation: stepReveal .2s ease;
}
.reg-alert.hidden { display: none !important; }
.reg-alert i { flex-shrink: 0; margin-top: 1px; }

.reg-alert--error {
    background: #fff1f2;
    border: 1px solid #fecdd3;
    color: #be123c;
}
.reg-alert--info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

/* ── Primary button (overrides Bootstrap) ────────────────────── */
.aulas-login-body .btn-aulas,
.btn-aulas {
    width: 100%;
    background: var(--aulas-primary);
    color: #fff;
    border: none;
    border-radius: 9px;
    padding: 13px;
    font-size: .95rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .2s, transform .15s, box-shadow .2s;
    letter-spacing: .01em;
    margin-top: .25rem;
    text-decoration: none;
}
.btn-aulas:hover:not(:disabled) {
    background: var(--aulas-primary-dk);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,150,136,.28);
    color: #fff;
}
.btn-aulas:active:not(:disabled) { transform: translateY(0); box-shadow: none; }
.btn-aulas:disabled { opacity: .58; cursor: not-allowed; }

/* ── DNI confirm badge (step 3) ──────────────────────────────── */
.step-confirm-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .79rem;
    color: var(--aulas-text-muted);
    padding: 5px 10px;
    background: #f0fdf9;
    border-radius: 6px;
    border: 1px solid #a7f3d0;
    margin-bottom: 1.25rem;
}
.step-confirm-badge strong {
    color: var(--aulas-primary-dk);
    letter-spacing: .06em;
    font-family: 'Courier New', monospace;
}

/* ── "Ya tiene cuenta" step ──────────────────────────────────── */
.step-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
}
.step-icon-circle--success { background: #dcfce7; color: #16a34a; }

/* ═══════════════════════════════════════════════════════════════
   Responsive — portal sidebar
   ═══════════════════════════════════════════════════════════════ */

/* Tablet: sidebar más angosta con solo iconos */
@media (max-width: 1023px) and (min-width: 768px) {
    :root { --sidebar-w: 64px; }

    .aulas-sidebar-header { padding: 1.25rem .75rem; text-align: center; }
    .aulas-sidebar-brand img { max-height: 22px; }

    .aulas-nav-item { padding: .625rem; justify-content: center; border-left-width: 0; border-radius: 8px; }
    .aulas-nav-item span { display: none; }
    .aulas-nav-item i { width: auto; font-size: 1.2rem; }
    .aulas-nav-item.active { border-bottom: 2px solid var(--sidebar-active-border); }

    .aulas-sidebar-footer { padding: .75rem .5rem; }
    .aulas-user-avatar { margin: 0 auto; }
    .aulas-user-details { display: none; }
    .aulas-user-info { justify-content: center; }
}

/* Mobile: sidebar oculta, topbar visible */
@media (max-width: 767px) {
    .aulas-sidebar {
        transform: translateX(-100%);
        width: 260px;
        box-shadow: 4px 0 24px rgba(0,0,0,.35);
    }
    .aulas-sidebar.open { transform: translateX(0); }

    .aulas-content-wrap { margin-left: 0; }

    .aulas-topbar { display: flex; }

    .aulas-main { padding: 1.25rem 1rem; }

    /* Grilla 1 columna */
    .aulas-cursos-grid {
        grid-template-columns: 1fr;
        gap: .75rem;
        grid-auto-rows: auto;
    }
    .curso-card-desc {
        display: none;
    }
    /* Título de página más compacto */
    .aulas-page-title {
        font-size: 1rem;
    }

    /* Buscador sticky */
    .mb-3:has(.aulas-search-wrap) {
        position: sticky;
        top: var(--topbar-h);
        background: var(--aulas-bg);
        padding: 8px 0 6px;
        margin: 0 -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
        z-index: 150;
        box-shadow: 0 2px 6px rgba(0,0,0,.06);
    }
    .aulas-search-wrap {
        max-width: 100%;
    }
}

/* ── Login/Registro mobile (scroll fix) ──────────────────────── */
@media (max-width: 575px) {
    .aulas-login-body {
        overflow-x: hidden;
        overflow-y: auto;
        align-items: flex-start;
        padding: 1.25rem .875rem;
    }
    .aulas-login-wrapper {
        width: 100%;
        padding-bottom: 1.5rem;
    }

    /* Card más compacta */
    .aulas-login-card {
        border-radius: 16px;
    }
    .aulas-login-inner {
        padding: 1.5rem 1.25rem 1.25rem;
    }
    .aulas-login-footer {
        padding: .75rem 1.25rem 1rem;
        font-size: .8rem;
    }

    /* Logo más chico */
    .aulas-login-logo {
        margin-bottom: 1.25rem;
    }
    .aulas-login-logo img {
        max-height: 52px;
    }
    .aulas-login-subtitle {
        font-size: .65rem;
    }

    /* Step indicator compacto */
    .reg-steps {
        margin-bottom: 1.25rem;
    }
    .reg-step-num {
        width: 26px;
        height: 26px;
        font-size: .72rem;
    }
    .reg-step-label {
        font-size: .58rem;
        letter-spacing: .03em;
    }

    /* Inputs más compactos */
    .reg-input {
        padding: 9px 12px;
        font-size: .875rem;
    }
    .reg-input.with-icon {
        padding-left: 36px;
    }
    .reg-input-icon {
        left: 11px;
        font-size: .875rem;
    }
    .reg-label {
        font-size: .78rem;
    }
    .reg-field {
        margin-bottom: .875rem;
    }

    /* Stack nombre/apellido en 1 columna */
    .reg-field-row {
        grid-template-columns: 1fr;
        margin-bottom: 0;
    }
    .reg-field-row .reg-field {
        margin-bottom: .875rem;
    }

    /* Botón más compacto */
    .aulas-login-body .btn-aulas,
    .btn-aulas {
        padding: 11px;
        font-size: .9rem;
    }

    /* step-desc más compacto */
    .step-desc {
        font-size: .82rem;
        margin-bottom: 1rem;
    }
    .btn-back {
        margin-bottom: 1rem;
    }
}

/* ══════════════════════════════════════════════════════════════════
   Vista detalle de curso (curso.php)
   ══════════════════════════════════════════════════════════════════ */

/* ── Wrapper y breadcrumb ──────────────────────────────────────── */
.curso-detalle-wrap {
    max-width: 820px;
}

.curso-detalle-breadcrumb {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .85rem;
    color: var(--aulas-text-muted);
    margin-bottom: 1.25rem;
}
.curso-detalle-breadcrumb-sep {
    font-size: .75rem;
    opacity: .6;
}

/* ── Header del curso ──────────────────────────────────────────── */
.curso-detalle-header {
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    overflow: hidden;
    box-shadow: var(--aulas-shadow);
    margin-bottom: 1.5rem;
}

.curso-detalle-header .curso-card-header {
    aspect-ratio: 21/6;
    border-radius: 0;
}

.curso-detalle-header-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.curso-detalle-header-meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: .6rem;
}

.curso-detalle-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--aulas-text);
    margin: 0 0 .75rem;
    line-height: 1.25;
}

.curso-detalle-attrs {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    font-size: .875rem;
    color: var(--aulas-text-muted);
}
.curso-detalle-attrs span {
    display: flex;
    align-items: center;
    gap: .3rem;
}

/* ── Secciones ─────────────────────────────────────────────────── */
.curso-detalle-section {
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--aulas-shadow);
}
.curso-detalle-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--aulas-text);
    margin: 0 0 1rem;
    padding-bottom: .6rem;
    border-bottom: 1px solid var(--aulas-border);
}
.curso-detalle-desc {
    font-size: .9375rem;
    color: var(--aulas-text);
    line-height: 1.6;
    margin: 0;
}

/* ── Instrucciones e avisos de evaluación ─────────────────────── */
.eval-instrucciones {
    font-size: .82rem;
    color: var(--aulas-text-muted);
    display: flex;
    align-items: flex-start;
    gap: .4rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}
.eval-instrucciones i { flex-shrink: 0; margin-top: .1rem; }

.aulas-eval-notice {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .875rem 1rem;
    border-radius: var(--aulas-radius-sm);
    font-size: .9rem;
    margin-bottom: 1rem;
}
.aulas-eval-notice i { font-size: 1.15rem; flex-shrink: 0; margin-top: .1rem; }

.aulas-eval-notice--success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}
.aulas-eval-notice--warn {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}
.aulas-eval-notice--info {
    background: #e0f2fe;
    color: #075985;
    border: 1px solid #7dd3fc;
}

/* ── Cuestionario inline ───────────────────────────────────────── */
.eval-pregunta {
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--aulas-border);
}
.eval-pregunta:last-child { border-bottom: none; }

/* ── Certificados — secciones y badges ────────────────────────── */
.cert-seccion-header {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin-bottom: 1rem;
    padding: .55rem .85rem;
    border-radius: var(--aulas-radius);
    font-size: .875rem;
    font-weight: 600;
}
.cert-seccion-header--vigente {
    background: var(--aulas-primary-lt);
    color: var(--aulas-primary-dk);
}
.cert-seccion-header--vencido {
    background: #fef3c7;
    color: #92400e;
    margin-top: 1.75rem;
}
.cert-seccion-icon { font-size: 1rem; line-height: 1; }
.cert-seccion-count {
    background: currentColor;
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 20px;
    opacity: .85;
    margin-left: .1rem;
}
.cert-seccion-header--vigente .cert-seccion-count { background: var(--aulas-primary); color: #fff; opacity: 1; }
.cert-seccion-header--vencido .cert-seccion-count { background: #d97706; color: #fff; opacity: 1; }
.cert-seccion-hint {
    font-size: .75rem;
    font-weight: 400;
    opacity: .8;
    margin-left: auto;
}

/* Badge "Vencido" en card — ámbar, distinto del teal de Aprobado */
.curso-estado--vencido-cert {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}
.curso-estado--vencido-cert i { color: #d97706; }

/* Badge pequeño "Renovación" */
.cert-renov-badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .68rem;
    font-weight: 600;
    color: #475569;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 20px;
    padding: 2px 8px;
    margin-top: .2rem;
    letter-spacing: .02em;
    text-transform: uppercase;
}
.cert-renov-badge i { font-size: .7rem; }

/* Columna de badges en la card */
.cert-badges-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .2rem;
    flex-shrink: 0;
}

/* Card vencida: header ligeramente desaturado */
.cert-card--vencido .curso-card-header { filter: saturate(.55) brightness(.95); }
.cert-card--vencido .curso-card-title  { color: var(--aulas-text-muted); }

/* Botón descargar vencido — ámbar en lugar de teal */
.btn-rail-accion--vencido-dl {
    background: #d97706;
    color: #fff;
    border: none;
}
.btn-rail-accion--vencido-dl:hover { background: #b45309; color: #fff; }

/* Animación escalonada de cards */
.cert-card {
    animation: certFadeUp .35s ease both;
    animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes certFadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.eval-pregunta-texto {
    font-size: .9375rem;
    color: var(--aulas-text);
    margin-bottom: .75rem;
    line-height: 1.5;
}

.eval-opciones {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.eval-opcion {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    padding: .5rem .75rem;
    border-radius: var(--aulas-radius-sm);
    border: 1px solid var(--aulas-border);
    cursor: pointer;
    transition: background var(--aulas-transition), border-color var(--aulas-transition);
    font-size: .9rem;
    color: var(--aulas-text);
}
.eval-opcion:hover {
    background: var(--aulas-primary-lt);
    border-color: var(--aulas-primary);
}
.eval-opcion input { margin-top: .15rem; flex-shrink: 0; }

.eval-quiz-footer {
    padding-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

/* ── Historial de intentos ─────────────────────────────────────── */
.curso-intentos-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
.curso-intentos-tabla th,
.curso-intentos-tabla td {
    padding: .6rem .75rem;
    text-align: left;
    border-bottom: 1px solid var(--aulas-border);
}
.curso-intentos-tabla th {
    font-weight: 600;
    color: var(--aulas-text-muted);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.curso-intentos-tabla tbody tr:last-child td { border-bottom: none; }

/* ── Botón +info en cards ──────────────────────────────────────── */
.curso-info-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .35rem .75rem;
    border-radius: var(--aulas-radius-sm);
    font-size: .8rem;
    font-weight: 500;
    color: var(--aulas-text-muted);
    border: 1px solid var(--aulas-border);
    text-decoration: none;
    transition: color var(--aulas-transition), border-color var(--aulas-transition),
                background var(--aulas-transition);
}
.curso-info-btn:hover {
    color: var(--aulas-primary);
    border-color: var(--aulas-primary);
    background: var(--aulas-primary-lt);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .curso-detalle-title { font-size: 1.2rem; }
    .curso-detalle-section { padding: 1rem; }
    .curso-detalle-header-body { padding: 1rem; }
}

/* ═══════════════════════════════════════════════════════════════
   Visor de contenidos
   ═══════════════════════════════════════════════════════════════ */

/* Barra de progreso */
.visor-progress-track {
    height: 6px;
    background: var(--aulas-border);
    border-radius: 3px;
    overflow: hidden;
}
.visor-progress-fill {
    height: 100%;
    background: var(--aulas-primary);
    border-radius: 3px;
    transition: width .4s ease;
}

/* Layout sidebar + área principal */
.visor-layout {
    display: flex;
    border-top: 1px solid var(--aulas-border);
    min-height: 420px;
}

/* Sidebar */
.visor-sidebar {
    width: 260px;
    flex-shrink: 0;
    border-right: 1px solid var(--aulas-border);
    overflow-y: auto;
    max-height: 640px;
}

.visor-unidad-header {
    padding: 8px 16px 4px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--aulas-text-muted);
    background: var(--aulas-bg);
    border-bottom: 1px solid var(--aulas-border);
    position: sticky;
    top: 0;
    z-index: 1;
}

.visor-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--aulas-border);
    transition: background var(--aulas-transition);
    font-size: .83rem;
}
.visor-item:hover { background: var(--aulas-primary-lt); }
.visor-item--activo {
    background: var(--aulas-primary-lt);
    border-left: 3px solid var(--aulas-primary);
}
.visor-item--visto .visor-item-titulo { color: var(--aulas-text-muted); }
.visor-item-icon {
    flex-shrink: 0;
    width: 18px;
    margin-top: 1px;
    text-align: center;
}
.visor-item-titulo {
    line-height: 1.35;
    color: var(--aulas-text);
}
.visor-item--eval {
    background: #fdf4ff;
    border-top: 2px solid #e9d5ff;
}
.visor-item--eval:hover { background: #f3e8ff; }
.visor-item--bloqueado {
    opacity: .55;
    cursor: not-allowed;
}
.visor-item--bloqueado:hover { background: transparent; }

/* Área principal */
.visor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.visor-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 40px;
    color: var(--aulas-text-muted);
    font-size: .9rem;
}
.visor-placeholder i { font-size: 2.5rem; margin-bottom: 12px; }

.visor-renderer { flex: 1; overflow: auto; }

.visor-nav {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-top: 1px solid var(--aulas-border);
    background: var(--aulas-bg);
    gap: 8px;
}

/* Tipos de contenido */
.visor-tipo-video { padding: 16px; }
.visor-video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--aulas-radius);
    background: #000;
}
.visor-video-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.visor-tipo-pdf {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 480px;
}
.visor-tipo-pdf iframe {
    flex: 1;
    border: none;
    width: 100%;
    min-height: 440px;
}
.visor-tipo-pdf-footer {
    padding: 8px 16px;
    border-top: 1px solid var(--aulas-border);
    background: var(--aulas-bg);
}

.visor-tipo-imagen {
    padding: 16px;
    text-align: center;
}
.visor-tipo-imagen img {
    max-width: 100%;
    max-height: 560px;
    border-radius: var(--aulas-radius);
    box-shadow: var(--aulas-shadow);
}

.visor-tipo-audio {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 32px;
}
.visor-audio-card {
    text-align: center;
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    padding: 32px;
    max-width: 400px;
    width: 100%;
}
.visor-audio-icon {
    font-size: 2.5rem;
    color: var(--aulas-primary);
    margin-bottom: 12px;
    display: block;
}
.visor-audio-titulo { font-weight: 500; margin-bottom: 16px; }
.visor-audio-player { width: 100%; }

.visor-tipo-texto {
    padding: 24px 28px;
    font-size: .93rem;
    line-height: 1.7;
    color: var(--aulas-text);
}
.visor-tipo-texto h1, .visor-tipo-texto h2, .visor-tipo-texto h3 {
    color: var(--aulas-text);
    margin-top: 1.2em;
}
.visor-tipo-texto ul, .visor-tipo-texto ol { padding-left: 1.4em; }
.visor-tipo-texto a { color: var(--aulas-primary); }
.visor-tipo-texto img { max-width: 100%; border-radius: var(--aulas-radius-sm); }

.visor-tipo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 32px;
}
.visor-link-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--aulas-surface);
    border: 1px solid var(--aulas-border);
    border-radius: var(--aulas-radius);
    padding: 28px;
    max-width: 480px;
    width: 100%;
}
.visor-link-icon {
    font-size: 2rem;
    color: var(--aulas-primary);
    flex-shrink: 0;
}

.visor-tipo-embed { height: 100%; min-height: 480px; }
.visor-tipo-embed iframe {
    width: 100%;
    height: 100%;
    min-height: 480px;
    border: none;
}

/* Responsive del visor */
@media (max-width: 680px) {
    .visor-layout { flex-direction: column; }
    .visor-sidebar {
        width: 100%;
        max-height: 220px;
        border-right: none;
        border-bottom: 1px solid var(--aulas-border);
    }
}