/* =====================================================================
   In House Comunicación — Hoja de estilos principal
   Basada en el diseño de referencia (Montserrat, navbar blanca, hero con
   video, tarjetas, noticias sobre fondo oscuro) con la paleta del logo.
   Para cambiar la identidad, editá solo las variables de :root.
   ===================================================================== */

@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../vendor/fonts/montserrat-latin-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../vendor/fonts/montserrat-latin-ext-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --marca: #430c14;          /* bordó del logo */
  --marca-oscuro: #2b070c;
  --marca-vivo: #8e1a2b;     /* resaltados y estados hover */
  --marca-suave: #f6eced;
  --vivo: #e30613;           /* señal EN VIVO */
  --negro: #111111;
  --gris: #f5f5f5;
  --gris-borde: #e7e3e3;
  --texto: #1b1b1b;
  --texto-suave: #6b6b6b;
  --radio: 18px;

  --bs-primary: var(--marca);
  --bs-primary-rgb: 67, 12, 20;
  --bs-link-color: var(--marca-vivo);
  --bs-link-hover-color: var(--marca);
  --bs-link-color-rgb: 142, 26, 43;
  --bs-body-font-family: 'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bs-body-color: var(--texto);
  --bs-border-radius: 10px;
  --bs-focus-ring-color: rgba(142, 26, 43, .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--bs-body-font-family); background: #fff; color: var(--texto); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { text-underline-offset: 3px; }
:focus-visible { outline: 3px solid rgba(142, 26, 43, .45); outline-offset: 2px; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 2000; background: #fff; padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { left: 8px; }

/* ---------- Botones ---------- */
.btn-marca, .btn-primary {
  --bs-btn-bg: var(--marca); --bs-btn-border-color: var(--marca); --bs-btn-color: #fff;
  --bs-btn-hover-bg: var(--marca-vivo); --bs-btn-hover-border-color: var(--marca-vivo); --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--marca-oscuro); --bs-btn-active-border-color: var(--marca-oscuro);
  --bs-btn-disabled-bg: var(--marca); --bs-btn-disabled-border-color: var(--marca);
  font-weight: 700; border-radius: 8px; transition: .25s;
}
.btn-marca:not(.btn-sm):not(.btn-lg) { padding: 11px 22px; }
.btn-marca:hover { transform: translateY(-2px); }
.btn-outline-marca {
  --bs-btn-color: var(--marca); --bs-btn-border-color: var(--marca);
  --bs-btn-hover-bg: var(--marca); --bs-btn-hover-border-color: var(--marca); --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--marca-oscuro); --bs-btn-active-color: #fff;
  border-width: 2px; font-weight: 800; border-radius: 8px;
}
.btn-whatsapp { --bs-btn-bg: #1f9d55; --bs-btn-border-color: #1f9d55; --bs-btn-color: #fff; --bs-btn-hover-bg: #178046; --bs-btn-hover-border-color: #178046; --bs-btn-hover-color: #fff; font-weight: 700; }

/* ---------- Navbar ---------- */
.site-nav { background: #fff; padding: 14px 0; box-shadow: 0 2px 15px rgba(0,0,0,.06); }
.site-nav .navbar-brand { display: flex; align-items: center; gap: 10px; color: var(--negro) !important; }
.brand-mark { width: 42px; height: 42px; object-fit: contain; }
.brand-text { line-height: 1; }
.brand-text strong { display: block; font-weight: 900; font-size: 21px; letter-spacing: -.5px; text-transform: uppercase; color: var(--marca); }
.brand-text small { display: block; font-size: 11px; font-weight: 600; letter-spacing: 2.2px; text-transform: uppercase; color: var(--texto-suave); margin-top: 3px; }
.site-nav .nav-link { font-weight: 600; color: #333 !important; margin-left: 8px; transition: .25s; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--marca-vivo) !important; }
.site-nav .navbar-toggler { border: 0; color: var(--marca); }
.site-nav .navbar-toggler:focus { box-shadow: none; }

/* ---------- Encabezados de sección ---------- */
.section-tag { color: var(--marca-vivo); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; }
.main-title { font-size: 42px; font-weight: 900; margin: 10px 0 15px; letter-spacing: -.5px; }
.main-title span, .section-title span { color: var(--marca-vivo); }
.main-subtitle { color: #666; max-width: 700px; line-height: 1.7; }
.section-title { font-size: 34px; font-weight: 900; margin-bottom: 10px; letter-spacing: -.3px; }
.section-description { color: #777; margin-bottom: 40px; }

/* ---------- Hero / transmisión en vivo ---------- */
.video-section { padding: 50px 0 80px; background: radial-gradient(circle at top right, rgba(142,26,43,.12), transparent 32%), #f7f7f7; }
.video-box { margin-top: 35px; border-radius: 20px; overflow: hidden; position: relative; background: #111; box-shadow: 0 20px 50px rgba(0,0,0,.18); aspect-ratio: 16 / 9; max-height: 640px; width: 100%; }
.video-box > img.video-banner { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .72; }
.video-box .video-placeholder-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--marca-oscuro), var(--marca) 60%, #6a1422); }
.video-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.15)); display: flex; align-items: center; padding: 60px; }
.video-content h2 { color: #fff; font-size: 42px; font-weight: 900; max-width: 620px; }
.video-content p { color: #eee; max-width: 580px; }
.live-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--vivo); color: #fff; padding: 8px 14px; border-radius: 50px; font-size: 12px; font-weight: 800; margin-bottom: 20px; letter-spacing: .5px; }
.live-badge.off { background: rgba(255,255,255,.18); }
.live-badge i { animation: pulse 1.5s infinite; font-size: 9px; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.play-button { width: 80px; height: 80px; background: var(--vivo); border: 0; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 34px; margin-top: 20px; cursor: pointer; transition: .25s; box-shadow: 0 10px 30px rgba(227,6,19,.35); }
.play-button:hover { transform: scale(1.08); background: #ff1a27; }
.video-box iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Tarjetas de cursos ---------- */
.courses-section { padding: 90px 0; }
.course-card { border: 0; border-radius: var(--radio); overflow: hidden; background: #fff; height: 100%; display: flex; flex-direction: column; box-shadow: 0 8px 30px rgba(0,0,0,.07); transition: .3s; }
.course-card:hover { transform: translateY(-8px); box-shadow: 0 18px 40px rgba(0,0,0,.12); }
.course-image { position: relative; height: 220px; overflow: hidden; background: var(--marca-suave); }
.course-image img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.course-card:hover .course-image img { transform: scale(1.08); }
.course-category { position: absolute; top: 15px; left: 15px; background: var(--marca); color: #fff; padding: 6px 12px; border-radius: 50px; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .5px; }
.course-status { position: absolute; top: 15px; right: 15px; padding: 6px 11px; border-radius: 50px; font-size: 11px; font-weight: 800; background: #fff; color: var(--texto); }
.course-status.open { color: #13733f; }
.course-status.soon { color: #8a5a00; }
.course-status.closed { color: #777; }
.course-body { padding: 25px; display: flex; flex-direction: column; flex: 1; }
.course-body h3 { font-size: 19px; font-weight: 800; line-height: 1.4; }
.course-body h3 a { color: inherit; text-decoration: none; }
.course-body p { color: #6f6f6f; font-size: 14px; line-height: 1.6; }
.course-meta { color: #777; font-size: 13px; font-weight: 600; margin: 6px 0 18px; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.course-meta i { color: var(--marca-vivo); margin-right: 4px; }
.course-price { font-size: 22px; font-weight: 900; color: var(--marca); margin-top: auto; margin-bottom: 14px; }
.btn-course { width: 100%; border: 2px solid var(--marca); color: var(--marca); font-weight: 800; border-radius: 8px; padding: 10px; background: transparent; transition: .25s; text-decoration: none; display: inline-block; text-align: center; }
.btn-course:hover { background: var(--marca); color: #fff; }

/* ---------- Noticias ---------- */
.news-section { background: var(--negro); padding: 90px 0; }
.news-section .section-title { color: #fff; }
.news-section .section-title span { color: #e6a1ab; }
.news-section .section-tag { color: #e6a1ab; }
.news-section .section-description { color: #aaa; }
.news-card { background: #fff; border-radius: var(--radio); overflow: hidden; height: 100%; transition: .3s; display: flex; flex-direction: column; box-shadow: 0 8px 30px rgba(0,0,0,.06); }
.news-card:hover { transform: translateY(-5px); }
.news-image { height: 250px; overflow: hidden; background: var(--marca-suave); display: block; }
.news-image img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.news-card:hover .news-image img { transform: scale(1.06); }
.news-content { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.news-date { color: var(--marca-vivo); font-size: 12px; font-weight: 800; text-transform: uppercase; display: flex; gap: 10px; flex-wrap: wrap; }
.news-cat { color: #fff; background: var(--marca); padding: 2px 9px; border-radius: 50px; text-decoration: none; font-size: 11px; }
.news-content h3 { font-size: 22px; font-weight: 800; margin-top: 12px; line-height: 1.35; }
.news-content h3 a { color: inherit; text-decoration: none; }
.news-content p { color: #777; font-size: 14px; line-height: 1.7; }
.read-more { color: var(--marca-vivo); font-size: 13px; font-weight: 800; text-decoration: none; margin-top: auto; }
.news-featured-badge { position: absolute; top: 14px; left: 14px; background: var(--vivo); color: #fff; font-size: 11px; font-weight: 800; padding: 5px 10px; border-radius: 50px; }

/* ---------- Páginas internas ---------- */
.page-hero { padding: 60px 0 50px; background: radial-gradient(circle at top right, rgba(142,26,43,.10), transparent 35%), #f7f7f7; }
.page-hero .main-title { font-size: 38px; }
.breadcrumb { --bs-breadcrumb-divider-color: #aaa; font-size: 13px; font-weight: 600; }
.breadcrumb a { color: var(--texto-suave); text-decoration: none; }
.content-section { padding: 60px 0 90px; }
.panel-card { background: #fff; border: 1px solid var(--gris-borde); border-radius: var(--radio); padding: 28px; }
.sticky-aside { position: sticky; top: 100px; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 30px; margin-bottom: 10px; line-height: 1.55; }
.check-list li::before { content: "\F26B"; font-family: bootstrap-icons; position: absolute; left: 0; top: 0; color: var(--marca-vivo); font-size: 18px; }
.course-cover { border-radius: var(--radio); overflow: hidden; aspect-ratio: 16/8; background: var(--marca-suave); }
.course-cover img { width: 100%; height: 100%; object-fit: cover; }
.price-tag { font-size: 34px; font-weight: 900; color: var(--marca); }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--gris-borde); font-size: 14px; }
.info-list li:last-child { border-bottom: 0; }
.info-list i { color: var(--marca-vivo); font-size: 18px; }
.module-acc .accordion-button { font-weight: 700; }
.module-acc .accordion-button:not(.collapsed) { background: var(--marca-suave); color: var(--marca); box-shadow: none; }
.module-acc .accordion-button:focus { box-shadow: none; }
.lesson-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--gris-borde); font-size: 14px; }
.lesson-row:last-child { border-bottom: 0; }
.teacher { display: flex; gap: 16px; align-items: flex-start; }
.teacher-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--marca); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 20px; flex: 0 0 56px; }

/* Artículo */
.article-body { font-size: 17px; line-height: 1.8; }
.article-body h2, .article-body h3 { font-weight: 800; margin-top: 2rem; }
.article-body img { border-radius: 14px; height: auto; margin: 1rem 0; }
.article-body blockquote { border-left: 4px solid var(--marca); padding: 6px 20px; color: #444; font-style: italic; margin: 1.5rem 0; }
.article-cover { border-radius: var(--radio); overflow: hidden; }
.share-bar a { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--gris); color: var(--texto); text-decoration: none; transition: .2s; margin-right: 6px; }
.share-bar a:hover { background: var(--marca); color: #fff; }
.social-card { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border: 1px solid var(--gris-borde); border-radius: 14px; text-decoration: none; color: var(--texto); max-width: 540px; }
.social-card > i:first-child { font-size: 28px; color: var(--marca); }
.social-card small { display: block; color: var(--texto-suave); }

/* Sobre nosotros */
.about-card { background: #fff; border-radius: var(--radio); padding: 30px; height: 100%; box-shadow: 0 8px 30px rgba(0,0,0,.06); }
.about-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--marca-suave); color: var(--marca); display: grid; place-items: center; font-size: 24px; margin-bottom: 18px; }
.about-image { border-radius: var(--radio); overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.12); }

/* Contacto */
.contact-item { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; }
.contact-item .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--marca-suave); color: var(--marca); display: grid; place-items: center; font-size: 20px; flex: 0 0 46px; }
.contact-item a { color: var(--texto); text-decoration: none; font-weight: 600; }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

/* Formularios */
.form-label { font-weight: 600; font-size: 14px; }
.form-control, .form-select { border-radius: 10px; padding: .65rem .9rem; border-color: #ddd; }
.form-control:focus, .form-select:focus { border-color: var(--marca-vivo); box-shadow: 0 0 0 .2rem rgba(142,26,43,.15); }
.form-check-input:checked { background-color: var(--marca); border-color: var(--marca); }
.pay-option { border: 2px solid var(--gris-borde); border-radius: 14px; padding: 16px; cursor: pointer; display: flex; gap: 12px; align-items: flex-start; height: 100%; transition: .2s; }
.pay-option:has(input:checked) { border-color: var(--marca); background: var(--marca-suave); }
.pay-option i { font-size: 24px; color: var(--marca); }

/* Auth */
.auth-wrap { min-height: calc(100vh - 220px); display: grid; place-items: center; padding: 50px 16px; background: radial-gradient(circle at top right, rgba(142,26,43,.10), transparent 35%), #f7f7f7; }
.auth-card { width: 100%; max-width: 440px; background: #fff; border-radius: 20px; padding: 36px; box-shadow: 0 20px 50px rgba(0,0,0,.08); }

/* ---------- Área del alumno ---------- */
.student-nav { background: #fff; border-bottom: 1px solid var(--gris-borde); }
.student-nav .nav-link { color: #444; font-weight: 600; padding: 14px 4px; margin-right: 18px; border-bottom: 3px solid transparent; border-radius: 0; }
.student-nav .nav-link.active { color: var(--marca); border-bottom-color: var(--marca); }
.my-course { border: 1px solid var(--gris-borde); border-radius: var(--radio); overflow: hidden; background: #fff; height: 100%; display: flex; flex-direction: column; }
.my-course .thumb { height: 150px; background: var(--marca-suave); position: relative; }
.my-course .thumb img { width: 100%; height: 100%; object-fit: cover; }
.my-course .body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.progress { --bs-progress-bar-bg: var(--marca); --bs-progress-height: 8px; border-radius: 50px; background: #eee; }
.progress-ring { font-weight: 800; color: var(--marca); }
.pending-box { background: #fff8e6; border: 1px solid #f2dca3; border-radius: 14px; padding: 18px; }
.bank-box { background: var(--gris); border-radius: 14px; padding: 18px; font-size: 14px; }
.bank-box dt { font-weight: 600; color: var(--texto-suave); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.bank-box dd { font-weight: 700; margin-bottom: 10px; word-break: break-all; }

/* Aula */
.learn-layout { display: grid; grid-template-columns: 1fr 360px; gap: 24px; }
.learn-player { border-radius: 16px; overflow: hidden; background: #000; }
.learn-sidebar { background: #fff; border: 1px solid var(--gris-borde); border-radius: 16px; max-height: calc(100vh - 140px); overflow: auto; position: sticky; top: 90px; }
.learn-sidebar .mod-title { padding: 14px 18px; font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; background: var(--gris); color: #444; }
.learn-sidebar a.lesson-link { display: flex; gap: 10px; padding: 12px 18px; color: var(--texto); text-decoration: none; font-size: 14px; border-left: 3px solid transparent; align-items: flex-start; }
.learn-sidebar a.lesson-link:hover { background: #faf7f7; }
.learn-sidebar a.lesson-link.current { border-left-color: var(--marca); background: var(--marca-suave); font-weight: 700; }
.learn-sidebar .st { font-size: 18px; color: #bbb; line-height: 1; }
.learn-sidebar .st.done { color: #13733f; }
@media (max-width: 991px) { .learn-layout { grid-template-columns: 1fr; } .learn-sidebar { position: static; max-height: none; } }

/* ---------- Footer ---------- */
.site-footer { background: #080808; color: #999; padding: 50px 0 30px; border-top: 1px solid #222; font-size: 14px; }
.site-footer strong, .site-footer h6 { color: #fff; }
.site-footer h6 { font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: 1.5px; margin-bottom: 14px; }
.site-footer a { color: #bbb; text-decoration: none; overflow-wrap: anywhere; }
.site-footer a:hover { color: #fff; }
.footer-logo { height: 70px; width: auto; }
.footer-bottom { border-top: 1px solid #1d1d1d; margin-top: 30px; padding-top: 20px; font-size: 13px; }
.social a { width: 38px; height: 38px; background: #222; color: #fff; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; text-decoration: none; margin: 0 5px 5px 0; transition: .25s; }
.social a:hover { background: var(--marca-vivo); color: #fff; }
.wa-float { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%; background: #1f9d55; color: #fff; display: grid; place-items: center; font-size: 28px; box-shadow: 0 10px 25px rgba(0,0,0,.25); z-index: 1030; text-decoration: none; }
.wa-float:hover { color: #fff; transform: scale(1.06); }

/* Paginación */
.pagination { --bs-pagination-color: var(--marca); --bs-pagination-active-bg: var(--marca); --bs-pagination-active-border-color: var(--marca); --bs-pagination-hover-color: var(--marca-vivo); --bs-pagination-focus-box-shadow: 0 0 0 .2rem rgba(142,26,43,.15); }

.empty-state { text-align: center; padding: 50px 20px; color: var(--texto-suave); }
.empty-state i { font-size: 42px; color: #ccc; display: block; margin-bottom: 10px; }
.news-section .empty-state { color: #aaa; }

/* ---------- Responsive (igual al diseño de referencia) ---------- */
@media (max-width: 991px) {
  .video-content h2 { font-size: 32px; }
  .site-nav .nav-link { margin-left: 0; }
}
@media (max-width: 767px) {
  .main-title, .page-hero .main-title { font-size: 30px; }
  .section-title { font-size: 28px; }
  .video-box { aspect-ratio: auto; min-height: 460px; }
  .video-box.playing { aspect-ratio: 16 / 9; min-height: 0; }
  .video-overlay { padding: 30px; background: rgba(0,0,0,.55); }
  .video-content h2 { font-size: 26px; }
  .navbar-collapse { padding-top: 16px; }
  .site-nav .nav-link { padding: 12px 0; }
  .courses-section, .news-section { padding: 60px 0; }
  .panel-card, .auth-card { padding: 22px; }
  .brand-text strong { font-size: 18px; }
}

/* =====================================================================
   PANEL ADMINISTRATIVO
   ===================================================================== */
.admin-body { background: #f4f2f2; }
.admin-sidebar { width: 260px; background: var(--negro); color: #bbb; position: fixed; top: 0; bottom: 0; left: 0; overflow-y: auto; z-index: 1040; }
.admin-sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 20px; border-bottom: 1px solid #222; text-decoration: none; }
.admin-sidebar .brand img { width: 36px; height: 36px; }
.admin-sidebar .brand strong { color: #fff; font-weight: 900; text-transform: uppercase; font-size: 15px; line-height: 1; }
.admin-sidebar .brand small { color: #888; font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; }
.admin-sidebar .nav-section { font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: #666; padding: 18px 20px 6px; font-weight: 700; }
.admin-sidebar a.nav-item-link { display: flex; align-items: center; gap: 12px; padding: 10px 20px; color: #c9c9c9; text-decoration: none; font-size: 14px; font-weight: 500; border-left: 3px solid transparent; }
.admin-sidebar a.nav-item-link:hover { background: #1b1b1b; color: #fff; }
.admin-sidebar a.nav-item-link.active { background: #1f1416; color: #fff; border-left-color: #e6a1ab; }
.admin-sidebar a.nav-item-link i { font-size: 17px; width: 20px; }
.admin-sidebar .count { margin-left: auto; background: var(--vivo); color: #fff; font-size: 11px; font-weight: 700; border-radius: 50px; padding: 1px 8px; }
.admin-main { margin-left: 260px; min-height: 100vh; }
.admin-topbar { background: #fff; border-bottom: 1px solid var(--gris-borde); padding: 12px 24px; display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 1020; }
.admin-content { padding: 26px 24px 60px; }
.admin-title { font-weight: 800; font-size: 24px; margin: 0; }
.admin-card { background: #fff; border: 1px solid var(--gris-borde); border-radius: 14px; }
.admin-card .card-head { padding: 16px 20px; border-bottom: 1px solid var(--gris-borde); display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.admin-card .card-head h2, .admin-card .card-head h3 { font-size: 16px; font-weight: 800; margin: 0; }
.admin-card .card-pad, .admin-card.card-pad { padding: 20px; }
.kpi { background: #fff; border: 1px solid var(--gris-borde); border-radius: 14px; padding: 18px 20px; height: 100%; }
.kpi .label { color: var(--texto-suave); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.kpi .value { font-size: 28px; font-weight: 900; color: var(--negro); margin-top: 4px; line-height: 1.1; }
.kpi .ico { width: 40px; height: 40px; border-radius: 10px; background: var(--marca-suave); color: var(--marca); display: grid; place-items: center; font-size: 19px; }
.kpi.alert-kpi .ico { background: #fff3d6; color: #9a6400; }
.table-admin { margin: 0; font-size: 14px; }
.table-admin th { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--texto-suave); font-weight: 700; background: #faf9f9; white-space: nowrap; }
.table-admin td, .table-admin th { padding: 12px 16px; vertical-align: middle; }
.thumb-sm { width: 56px; height: 40px; object-fit: cover; border-radius: 6px; background: var(--marca-suave); }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters .form-control, .filters .form-select { min-width: 160px; }
.editor-toolbar { display: flex; gap: 4px; flex-wrap: wrap; padding: 8px; border: 1px solid #ddd; border-bottom: 0; border-radius: 10px 10px 0 0; background: #faf9f9; }
.editor-toolbar button { border: 0; background: transparent; padding: 6px 9px; border-radius: 6px; font-size: 15px; }
.editor-toolbar button:hover { background: #ece7e7; }
.editor-area { min-height: 340px; border: 1px solid #ddd; border-radius: 0 0 10px 10px; padding: 16px; background: #fff; overflow: auto; }
.editor-area:focus { outline: 2px solid rgba(142,26,43,.25); }
.editor-area img { max-width: 100%; height: auto; }
.editor-area div[data-embed] { background: var(--marca-suave); border: 1px dashed var(--marca-vivo); border-radius: 8px; padding: 12px; margin: 10px 0; font-size: 13px; color: var(--marca); }
.editor-area div[data-embed]::before { content: "▶ Inserción: " attr(data-embed) " — " attr(data-src); }
.img-preview { max-height: 120px; border-radius: 10px; border: 1px solid var(--gris-borde); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0 10px 22px; border-left: 2px solid var(--gris-borde); position: relative; font-size: 13px; }
.timeline li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--marca); position: absolute; left: -6px; top: 15px; }
.lesson-admin-row { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-top: 1px solid var(--gris-borde); background: #fff; }
.admin-backdrop { display: none; }
@media (max-width: 991px) {
  .admin-sidebar { transform: translateX(-100%); transition: .25s; }
  .admin-sidebar.show { transform: none; }
  .admin-main { margin-left: 0; }
  .admin-backdrop.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1035; }
  .admin-content { padding: 18px 14px 50px; }
}

/* =====================================================================
   NOTIFICACIONES (campanita del panel y del alumno)
   ===================================================================== */
.notif-btn { position: relative; line-height: 1; padding: 7px 10px; }
.notif-badge { position: absolute; top: -4px; right: -4px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 50px; background: var(--marca-vivo); color: #fff; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; }
.notif-menu { width: 360px; max-width: calc(100vw - 24px); border: 1px solid var(--gris-borde); border-radius: 14px; overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0,.14); }
.notif-head, .notif-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; background: #faf9f9; }
.notif-head { border-bottom: 1px solid var(--gris-borde); }
.notif-foot { border-top: 1px solid var(--gris-borde); }
.notif-list { max-height: 380px; overflow-y: auto; }
.notif-empty { padding: 28px 16px; text-align: center; color: var(--texto-suave); font-size: 14px; }
.notif-item { display: flex; gap: 12px; padding: 12px 16px; text-decoration: none; color: inherit; border-bottom: 1px solid var(--gris-borde); }
.notif-list .notif-item:last-child { border-bottom: 0; }
.notif-item:hover { background: #faf9f9; color: inherit; }
.notif-item.unread { background: var(--marca-suave); }
.notif-item > i { flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px; background: #fff; border: 1px solid var(--gris-borde); color: var(--marca); display: grid; place-items: center; font-size: 17px; }
.notif-body { display: flex; flex-direction: column; min-width: 0; font-size: 14px; line-height: 1.35; }
.notif-body .notif-msg { color: #555; font-size: 13px; overflow-wrap: anywhere; }
.notif-body small { color: var(--texto-suave); font-size: 11px; margin-top: 2px; }
.notif-toasts { position: fixed; top: 76px; right: 16px; z-index: 1090; }
.notif-toast { display: flex; align-items: flex-start; width: 340px; max-width: calc(100vw - 32px); background: #fff; border: 1px solid var(--gris-borde); border-left: 4px solid var(--marca); border-radius: 12px; box-shadow: 0 16px 40px rgba(0,0,0,.18); }
.notif-toast .notif-item { flex: 1; border: 0; background: transparent; }
.notif-toast .btn-close { margin: 12px 12px 0 0; }