/* =========================================================
   YERFIN.COM — Sistema de diseño
   Paleta: tinta profunda + musgo + oro (logro) + arcilla (bloqueo)
   Tipografía: Fraunces (display) + Public Sans (texto) + IBM Plex Mono (datos)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,500&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --ink: #17243B;
    --ink-soft: #4B5768;
    --ink-faint: #8993A4;
    --paper: #EFF3ED;
    --paper-card: #FFFFFF;
    --moss: #33594B;
    --moss-light: #4C7A67;
    --moss-pale: #E4ECE6;
    --gold: #C99A3A;
    --gold-pale: #F5E9CE;
    --clay: #AD4A38;
    --clay-pale: #F3E1DC;
    --border: #DCE2D8;

    --font-display: 'Fraunces', serif;
    --font-body: 'Public Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 8px 24px -12px rgba(23, 36, 59, 0.18);
    --shadow-lg: 0 20px 45px -18px rgba(23, 36, 59, 0.28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    margin: 0 0 .4em;
    letter-spacing: -0.01em;
    color: var(--ink);
}

p { line-height: 1.6; color: var(--ink-soft); margin: 0 0 1em; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--moss);
}

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------
   Botones y formularios
   --------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--moss); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--moss-light); }

.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #d8ab4d; }

.btn-ghost { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { background: var(--paper-card); }

.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.field { margin-bottom: 18px; text-align: left; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink-soft);
}
.field input, .field select {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #fff;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--ink);
}
.field input:focus, .field select:focus {
    border-color: var(--moss);
    outline: none;
    box-shadow: 0 0 0 3px var(--moss-pale);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 18px;
    border: 1px solid transparent;
}
.alert-error { background: var(--clay-pale); border-color: #e0b7ac; color: var(--clay); }
.alert-success { background: var(--moss-pale); border-color: #b7cdc0; color: var(--moss); }

/* ---------------------------------------------------------
   Páginas de autenticación (login / registro)
   --------------------------------------------------------- */
.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
}
.auth-visual {
    background: var(--ink);
    color: #fff;
    padding: 56px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-visual::after {
    content: '';
    position: absolute;
    inset: auto -20% -30% auto;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,154,58,0.25), transparent 70%);
}
.auth-brand {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.auth-brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(201,154,58,0.25), var(--shadow);
}
.auth-quote {
    font-family: var(--font-display);
    font-size: 34px;
    line-height: 1.25;
    font-style: italic;
    font-weight: 500;
    max-width: 480px;
    position: relative;
}
.auth-foot { font-size: 13px; color: rgba(255,255,255,0.55); position: relative; }

.auth-form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card h1 { font-size: 30px; margin-bottom: 6px; }
.auth-card .sub { margin-bottom: 28px; color: var(--ink-soft); font-size: 15px; }
.auth-switch { margin-top: 22px; font-size: 14px; color: var(--ink-soft); text-align: center; }
.auth-switch a { color: var(--moss); font-weight: 600; }

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 22px 0;
    color: var(--ink-faint);
    font-size: 12.5px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .06em;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.btn-google {
    background: #fff;
    border: 1.5px solid var(--border);
    color: var(--ink);
    gap: 10px;
}
.btn-google:hover { border-color: var(--ink-faint); background: var(--paper); }
.btn-google svg { flex-shrink: 0; }

@media (max-width: 880px) {
    .auth-shell { grid-template-columns: 1fr; }
    .auth-visual { display: none; }
}

/* ---------------------------------------------------------
   Layout general de la app (sidebar + contenido)
   --------------------------------------------------------- */
.app-shell {
    display: grid;
    grid-template-columns: 264px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--ink);
    color: #fff;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}
.sidebar-brand {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(201,154,58,0.25), var(--shadow);
}

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 0 0 auto; }
.nav-icon { font-size: 15px; line-height: 1; flex-shrink: 0; width: 18px; text-align: center; }
.sidebar-nav a {
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    font-weight: 500;
    color: rgba(255,255,255,0.72);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background .15s ease, color .15s ease;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active { background: rgba(201,154,58,0.16); color: var(--gold); }

.sidebar-user {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 16px;
    margin-top: 16px;
    font-size: 13px;
}
.sidebar-user-row { display: flex; align-items: center; gap: 10px; }
.sidebar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.sidebar-avatar-fallback {
    background: rgba(201,154,58,0.18);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
}
.sidebar-user .name { font-weight: 600; color: #fff; margin-bottom: 2px; }
.sidebar-user a { color: rgba(255,255,255,0.55); font-size: 12.5px; }
.sidebar-user a:hover { color: var(--gold); }

.content { padding: 44px 52px; max-width: 1080px; }

.page-head { margin-bottom: 36px; }
.page-head h1 { font-size: 32px; }

@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; flex-direction: row; align-items: center; padding: 16px 20px; }
    .sidebar-brand { margin-bottom: 0; }
    .sidebar-nav { flex-direction: row; }
    .sidebar-user { display: none; }
    .content { padding: 28px 20px; }
}

/* ---------------------------------------------------------
   Elemento distintivo: Ruta de aprendizaje
   Camino vertical con nodos por curso (bloqueado/desbloqueado/completado)
   --------------------------------------------------------- */
.ruta {
    position: relative;
    padding-left: 8px;
}
.ruta-line {
    position: absolute;
    left: 27px;
    top: 30px;
    bottom: 30px;
    width: 2px;
    background: repeating-linear-gradient(to bottom, var(--border) 0 6px, transparent 6px 12px);
}
.ruta-node {
    position: relative;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding-bottom: 28px;
}
.ruta-node:last-child { padding-bottom: 0; }

.ruta-marker {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    background: var(--paper-card);
    border: 2px solid var(--border);
    color: var(--ink-faint);
    z-index: 1;
}
.ruta-node.completed .ruta-marker { background: var(--moss); border-color: var(--moss); color: #fff; }
.ruta-node.unlocked .ruta-marker { background: var(--gold-pale); border-color: var(--gold); color: var(--gold); }
.ruta-node.locked .ruta-marker { background: var(--paper-card); color: var(--ink-faint); }

.ruta-card {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
}
.ruta-node.locked .ruta-card { opacity: .62; box-shadow: none; }

.ruta-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
}
.ruta-card h3 { font-size: 19px; margin: 0; }
.ruta-status {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
}
.ruta-status.completed { background: var(--moss-pale); color: var(--moss); }
.ruta-status.unlocked { background: var(--gold-pale); color: #96731f; }
.ruta-status.locked { background: var(--paper); color: var(--ink-faint); }

.progress-bar {
    height: 6px;
    border-radius: 6px;
    background: var(--paper);
    overflow: hidden;
    margin: 12px 0 16px;
}
.progress-bar span {
    display: block;
    height: 100%;
    background: var(--moss);
    border-radius: 6px;
    transition: width .4s ease;
}

.ruta-card-actions { display: flex; gap: 10px; align-items: center; }
.ruta-score { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-soft); }

/* ---------------------------------------------------------
   Curso: módulos y clases
   --------------------------------------------------------- */
.module-block { margin-bottom: 30px; }
.module-title {
    font-family: var(--font-mono);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--moss);
    margin-bottom: 12px;
}
.class-list { display: flex; flex-direction: column; gap: 10px; }
.class-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color .15s ease;
}
.class-row:hover { border-color: var(--moss-light); }
.class-check {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    color: transparent;
}
.class-row.viewed .class-check { background: var(--moss); border-color: var(--moss); color: #fff; }
.class-row .class-title { flex: 1; font-weight: 500; }
.class-row .class-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }

.course-quiz-banner {
    margin-top: 8px;
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius);
    padding: 26px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.course-quiz-banner h3 { color: #fff; margin-bottom: 4px; }
.course-quiz-banner p { color: rgba(255,255,255,0.65); margin: 0; }

/* ---------------------------------------------------------
   Visor de PDF (clase)
   --------------------------------------------------------- */
.pdf-shell {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.pdf-shell iframe { width: 100%; height: 78vh; border: none; display: block; }
.class-title-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.class-title-row h1 { margin: 0; }
.class-position {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink-faint);
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 12px;
}
.class-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    gap: 14px;
    flex-wrap: wrap;
}
.class-nav-group { display: flex; gap: 10px; flex-wrap: wrap; }

.btn-toggle-viewed {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all .15s ease;
}
.btn-toggle-viewed:hover { border-color: var(--moss-light); color: var(--moss); }
.btn-toggle-viewed.is-viewed {
    background: var(--moss-pale);
    border-color: var(--moss);
    color: var(--moss);
}
.btn-toggle-viewed:disabled { opacity: .6; cursor: not-allowed; }

@media (max-width: 640px) {
    .class-nav { flex-direction: column; align-items: stretch; }
    .class-nav-group { justify-content: center; }
    .btn-toggle-viewed { order: -1; }
}

/* ---------------------------------------------------------
   Examen multiple choice interactivo
   --------------------------------------------------------- */
.quiz-progress {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-soft);
    margin-bottom: 10px;
}
.quiz-card {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.quiz-question { display: none; }
.quiz-question.active { display: block; animation: fadeUp .35s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.quiz-question h3 { font-size: 21px; margin-bottom: 22px; }
.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
}
.quiz-option:hover { border-color: var(--moss-light); }
.quiz-option input { accent-color: var(--moss); width: 18px; height: 18px; }
.quiz-option.selected { border-color: var(--moss); background: var(--moss-pale); }

.quiz-controls {
    display: flex;
    justify-content: space-between;
    margin-top: 28px;
}
.quiz-dots { display: flex; gap: 7px; align-items: center; }
.quiz-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.quiz-dot.answered { background: var(--gold); }
.quiz-dot.current { background: var(--moss); }

.quiz-result { text-align: center; padding: 20px 0; }
.quiz-result .score-big {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 4px;
}
.quiz-result.passed .score-big { color: var(--moss); }
.quiz-result.failed .score-big { color: var(--clay); }

/* ---------------------------------------------------------
   Panel de administración
   --------------------------------------------------------- */
.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    gap: 14px;
    flex-wrap: wrap;
}
.admin-breadcrumb {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink-faint);
    margin-bottom: 6px;
}
.admin-breadcrumb a { color: var(--moss); }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 30px;
}
.admin-table th, .admin-table td {
    text-align: left;
    padding: 13px 18px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}
.admin-table th {
    font-family: var(--font-mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-faint);
    background: var(--paper);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table .row-actions { display: flex; gap: 8px; justify-content: flex-end; }
.admin-table .row-title { font-weight: 600; }
.admin-table .row-sub { font-size: 12.5px; color: var(--ink-faint); }

.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 3px 9px;
    border-radius: 20px;
    background: var(--paper);
    color: var(--ink-soft);
}
.badge-gold { background: var(--gold-pale); color: #96731f; }
.badge-moss { background: var(--moss-pale); color: var(--moss); }
.badge-clay { background: var(--clay-pale); color: var(--clay); }

.admin-card {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    margin-bottom: 26px;
}

.admin-empty {
    padding: 30px;
    text-align: center;
    color: var(--ink-faint);
    background: var(--paper-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    margin-bottom: 26px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
}
.form-grid .field-full { grid-column: 1 / -1; }

.field textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #fff;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--ink);
    resize: vertical;
    min-height: 90px;
}
.field textarea:focus { border-color: var(--moss); outline: none; box-shadow: 0 0 0 3px var(--moss-pale); }

.field-checkbox { display: flex; align-items: center; gap: 10px; }
.field-checkbox input { width: 18px; height: 18px; accent-color: var(--moss); }
.field-checkbox label { margin: 0; }

.option-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}
.option-row.is-correct { border-color: var(--moss); background: var(--moss-pale); }
.option-row .option-text { flex: 1; font-size: 14px; }

.form-actions { display: flex; gap: 10px; margin-top: 6px; }

.btn-danger { background: transparent; border: 1px solid var(--clay); color: var(--clay); }
.btn-danger:hover { background: var(--clay-pale); }

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}
.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px 56px;
}
.landing-header .brand {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(201,154,58,0.2);
}
.landing-hero {
    padding: 60px 56px 90px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}
.landing-hero h1 {
    font-size: 54px;
    line-height: 1.08;
    max-width: 620px;
}
.landing-hero .lede { font-size: 18px; max-width: 480px; }
.landing-hero-actions { display: flex; gap: 14px; margin-top: 28px; }

.hero-panel {
    background: var(--ink);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-lg);
}
.hero-panel .ruta-card { background: #1F2E4A; border-color: rgba(255,255,255,0.08); }
.hero-panel .ruta-card h3, .hero-panel p { color: #fff; }
.hero-panel .ruta-line { background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.18) 0 6px, transparent 6px 12px); }

.landing-features {
    padding: 20px 56px 90px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.feature-card .eyebrow { margin-bottom: 10px; }

@media (max-width: 920px) {
    .landing-hero { grid-template-columns: 1fr; }
    .landing-features { grid-template-columns: 1fr; padding: 20px 24px 60px; }
    .landing-header, .landing-hero { padding-left: 24px; padding-right: 24px; }
    .landing-hero h1 { font-size: 38px; }
}

/* =========================================================
   Panel del alumno — avisos y certificados
   ========================================================= */
.notice-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 24px;
    background: var(--paper-card);
    box-shadow: var(--shadow);
}
.notice-banner h3 { margin: 0 0 4px; font-size: 17px; }
.notice-banner p { margin: 0; font-size: 13.5px; max-width: 620px; }
.notice-banner.pending { border-color: #e0b7ac; background: var(--clay-pale); }
.notice-banner.pending h3 { color: var(--clay); }
.notice-banner.pending p { color: var(--ink-soft); }

.cert-list { display: flex; flex-direction: column; gap: 10px; }
.cert-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
}
.cert-row-info { min-width: 220px; }
.cert-row-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* =========================================================
   Progreso de alumnos (admin)
   ========================================================= */
.admin-inline-form {
    display: flex;
    align-items: flex-end;
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px;
    background: var(--paper);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}
.admin-inline-form .field label { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; }
.admin-inline-form select, .admin-inline-form input {
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-family: var(--font-body);
    font-size: 13.5px;
}

.progress-module {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-top: 12px;
}
.progress-module-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 6px;
}
.progress-module-classes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 6px 14px;
    margin-bottom: 12px;
}
.progress-class-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13.5px;
    color: var(--ink-soft);
    cursor: pointer;
}
.progress-class-check input { margin-top: 3px; accent-color: var(--moss); }

/* =========================================================
   Mi panel — rediseño (datos, verificación, progreso, certificados)
   ========================================================= */
.panel-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}
.panel-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--moss), var(--moss-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}
.panel-header-info h1 { margin: 2px 0 10px; font-size: 28px; }
.panel-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.panel-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: start;
}
.panel-main { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.panel-side { display: flex; flex-direction: column; gap: 24px; }

.panel-section {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    box-shadow: var(--shadow);
}
.panel-section-head { margin-bottom: 18px; }
.panel-section-head h2 { font-size: 19px; margin-bottom: 4px; }
.panel-section-head p { font-size: 13.5px; margin: 0; }

.panel-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 18px;
}
.panel-form { margin-bottom: 4px; }

.progress-course-list { display: flex; flex-direction: column; gap: 10px; }
.progress-course {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
}
.progress-course summary {
    cursor: pointer;
    list-style: none;
}
.progress-course summary::-webkit-details-marker { display: none; }
.progress-course-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.progress-course-title { font-weight: 600; }
.progress-course-body { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.progress-mini-module { margin-bottom: 12px; }
.progress-mini-classes { margin: 6px 0 4px; }
.progress-mini-classes li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--ink-faint);
    padding: 3px 0;
}
.progress-mini-classes li.done { color: var(--ink-soft); }
.progress-mini-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
}
.progress-mini-classes li.done .progress-mini-dot { background: var(--moss); border-color: var(--moss); color: #fff; }

.cert-general {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
.cert-general h3 { font-size: 15px; margin-bottom: 4px; }
.cert-general p { font-size: 13px; margin-bottom: 12px; }

@media (max-width: 980px) {
    .panel-grid { grid-template-columns: 1fr; }
    .panel-form-grid { grid-template-columns: 1fr; }
}


/* =========================================================
   Sidebar: lista de cursos individuales + nav secundaria + usuario
   ========================================================= */
.sidebar-nav-courses {
    flex: 1 1 auto;
    min-height: 40px;
    overflow-y: auto;
    margin-top: 14px;
    padding-top: 14px;
    padding-right: 2px;
    border-top: 1px solid rgba(255,255,255,0.1);
    gap: 2px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}
.sidebar-nav-courses::-webkit-scrollbar { width: 5px; }
.sidebar-nav-courses::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.18); border-radius: 4px; }

.course-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    color: rgba(255,255,255,0.72);
    transition: background .15s ease, color .15s ease;
}
.course-nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.course-nav-item.active { background: rgba(201,154,58,0.16); color: var(--gold); }

.course-nav-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.course-nav-status {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10.5px;
    border: 1.5px solid rgba(255,255,255,0.3);
}
.course-nav-status.completed {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--ink);
    font-weight: 700;
}
.course-nav-status.unlocked { border-color: rgba(255,255,255,0.3); }
.course-nav-status.locked { border-color: rgba(255,255,255,0.18); color: rgba(255,255,255,0.4); font-size: 9px; }
.course-nav-item.course-nav-locked { opacity: .6; }

.course-nav-final {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px dashed rgba(255,255,255,0.14);
}
.course-nav-final .course-nav-title { font-weight: 600; }
.course-nav-status.final {
    background: rgba(201,154,58,0.16);
    border-color: var(--gold);
    color: var(--gold);
}

.sidebar-nav-secondary {
    flex: 0 0 auto;
    margin-top: 12px;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-nav-secondary a { font-size: 13px; padding: 8px 14px; color: rgba(255,255,255,0.5); }
.sidebar-nav-secondary a:hover { color: rgba(255,255,255,0.85); }
.sidebar-nav-secondary a.active { background: rgba(201,154,58,0.14); color: var(--gold); }

.sidebar-user-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px;
    margin: -6px -6px 10px;
    border-radius: var(--radius-sm);
    transition: background .15s ease;
}
.sidebar-user-row:hover, .sidebar-user-row.active { background: rgba(255,255,255,0.06); }
.sidebar-user-name { font-weight: 600; color: #fff; font-size: 13.5px; }
.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.sidebar-avatar-fallback {
    background: rgba(201,154,58,0.18);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 12.5px;
}
.sidebar-logout { display: block; font-size: 12.5px; color: rgba(255,255,255,0.45); padding-left: 6px; }
.sidebar-logout:hover { color: var(--gold); }

@media (max-width: 900px) {
    .sidebar-nav-courses { display: none; }
    .sidebar-nav-secondary { display: none; }
}

/* =========================================================
   Programa completo (temario)
   ========================================================= */
.program-hero {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 36px;
    min-height: 240px;
    display: flex;
    align-items: flex-end;
    background: url('../img/programa-cover.svg') center/cover no-repeat;
    box-shadow: var(--shadow-lg);
}
.program-hero-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 40px 44px 30px;
    background: linear-gradient(180deg, rgba(23,36,59,0) 0%, rgba(15,23,40,0.82) 100%);
}
.program-hero-overlay .eyebrow { color: var(--gold); }
.program-hero-overlay h1 { color: #fff; margin-bottom: 8px; }
.program-hero-overlay p { color: rgba(255,255,255,0.82); margin: 0; max-width: 560px; }

@media (max-width: 640px) {
    .program-hero { min-height: 190px; }
    .program-hero-overlay { padding: 26px 24px 22px; }
    .program-hero-overlay h1 { font-size: 26px; }
}

.syllabus-list { display: flex; flex-direction: column; gap: 10px; }
.syllabus-course {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
}
.syllabus-course summary { cursor: pointer; list-style: none; }
.syllabus-course summary::-webkit-details-marker { display: none; }
.syllabus-course-summary { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.syllabus-course-num { font-family: var(--font-mono); color: var(--ink-faint); font-size: 13px; }
.syllabus-course-title { font-weight: 600; flex: 1; }
.syllabus-course-body { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.syllabus-module-list { margin: 10px 0 14px; padding-left: 20px; }
.syllabus-module-list li { margin-bottom: 8px; }
.syllabus-module-title { font-weight: 500; margin-right: 8px; }

/* =========================================================
   Ayuda (FAQ)
   ========================================================= */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: var(--paper-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
}
.faq-item summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 10px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }

/* =========================================================
   Legal (términos / privacidad)
   ========================================================= */
.legal-notice {
    background: var(--gold-pale);
    border: 1px solid #e6cd94;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-size: 13px;
    color: #6b5320;
    margin-bottom: 24px;
    line-height: 1.6;
}
.legal-text h2 { font-size: 16px; margin: 22px 0 8px; }
.legal-text h2:first-child { margin-top: 0; }
.legal-text p, .legal-text li { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }
.legal-text ul { padding-left: 20px; margin: 6px 0; }

/* =========================================================
   Enlaces de texto simple (herramientas, contacto)
   ========================================================= */
.text-link-list { display: flex; flex-direction: column; gap: 8px; padding: 0; list-style: none; }
.text-link-list li { font-size: 14px; color: var(--ink-soft); }
.text-link-list a { color: var(--moss); font-weight: 600; }
.text-link-list a:hover { text-decoration: underline; }

/* =========================================================
   Calculadora financiera
   ========================================================= */
.calc-result {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
}
.calc-result-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
    color: var(--ink-soft);
}
.calc-result-total {
    border-top: 1px solid var(--border);
    margin-top: 6px;
    padding-top: 12px;
    font-size: 16px;
    color: var(--ink);
}