/* ============================================================
   Design tokens
   ============================================================ */

:root {
    /* Paleta "confianza y salud" */
    --color-navy: #0b3d91;
    --color-primary: #0077b6;
    --color-primary-dark: #0b3d91;
    --color-primary-light: #00b894;
    --color-primary-soft: #e6f4f8;
    --color-primary-rgb: 0, 119, 182;

    --color-mint: #a7e3d8;
    --color-mint-soft: #e6f4f8;

    --color-ink: #0b3d91;
    --color-text: #1f2937;
    --color-muted: #667085;
    --color-border: #e5e9f0;

    --color-bg: #f5f7fa;
    --color-surface: #ffffff;

    --color-success: #00b894;
    --color-success-soft: #e0f7f1;
    --color-danger: #c0324a;
    --color-danger-soft: #fbe7ea;
    --color-warning: #b3730b;
    --color-warning-soft: #fdf1dd;

    --radius-sm: 0.5rem;
    --radius: 0.9rem;
    --radius-lg: 1.25rem;

    --shadow-sm: 0 1px 2px rgba(11, 61, 145, 0.06);
    --shadow-md: 0 8px 24px rgba(11, 61, 145, 0.08);
    --shadow-lg: 0 20px 45px rgba(11, 61, 145, 0.12);
}

/* ============================================================
   Base
   ============================================================ */

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.01em;
}

.text-muted {
    color: var(--color-muted) !important;
}

main {
    min-height: 60vh;
}

/* ============================================================
   Navbar
   ============================================================ */

.app-navbar {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--color-ink) !important;
}

.app-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.65rem;
    background: linear-gradient(145deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.app-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-text) !important;
    font-weight: 500;
    font-size: 0.925rem;
}

.app-nav-link:hover {
    background-color: var(--color-primary-soft);
    color: var(--color-primary-dark) !important;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: 0.5rem 1.1rem;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.btn-sm {
    padding: 0.35rem 0.8rem;
}

.btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.28);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark) !important;
    border-color: var(--color-primary-dark) !important;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 1.6rem;
    font-size: 1.05rem;
}

.btn-outline-primary {
    color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #fff !important;
}

.btn-success { background-color: var(--color-success) !important; border-color: var(--color-success) !important; }
.btn-outline-danger { color: var(--color-danger) !important; border-color: var(--color-danger) !important; }
.btn-outline-danger:hover { background-color: var(--color-danger) !important; }

/* ============================================================
   Cards
   ============================================================ */

.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.materia-card {
    border-top: 3px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.materia-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.materia-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border);
}

.materia-arrow-btn {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.materia-card:hover .materia-arrow-btn {
    background-color: var(--color-primary);
    color: #fff;
}

/* Welcome / promo banner */

.welcome-banner {
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary-soft), var(--color-mint-soft));
    border: 1px solid var(--color-border);
    padding: 1.5rem 1.75rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.welcome-banner h5 {
    color: var(--color-ink);
}

/* Quote banner */

.quote-banner {
    border-radius: var(--radius-lg);
    background-color: var(--color-primary-soft);
    padding: 1.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.quote-banner .bi-quote {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.stat-card h3 {
    font-size: 1.9rem;
    margin-bottom: 0.15rem;
}

/* Icon badge used on feature lists and content cards */

.icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
}

.icon-badge-lg {
    width: 3.75rem;
    height: 3.75rem;
    font-size: 1.7rem;
}

/* ============================================================
   Forms
   ============================================================ */

.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border-color: var(--color-border);
    padding: 0.55rem 0.85rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.15);
}

.form-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-ink);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ============================================================
   Badges
   ============================================================ */

.badge {
    font-weight: 600;
    border-radius: 0.4rem;
    padding: 0.4em 0.65em;
}

.bg-success { background-color: var(--color-success) !important; }
.bg-danger { background-color: var(--color-danger) !important; }
.bg-warning { background-color: var(--color-warning-soft) !important; color: var(--color-warning) !important; }

/* ============================================================
   Tables
   ============================================================ */

.table {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background-color: var(--color-bg);
    color: var(--color-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
    border-bottom: 1px solid var(--color-border);
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--color-border);
}

/* ============================================================
   Hero (home)
   ============================================================ */

.hero {
    position: relative;
    padding: 4.5rem 1rem 3.5rem;
    text-align: center;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 15% 20%, rgba(var(--color-primary-rgb), 0.12), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(var(--color-primary-rgb), 0.1), transparent 40%),
        var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--color-primary-soft);
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero p.lead {
    color: var(--color-muted);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* ============================================================
   Auth split layout
   ============================================================ */

.auth-shell {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

.auth-panel {
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.15), transparent 40%),
        linear-gradient(155deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    padding: 3rem 2.5rem;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-panel h2 {
    color: #fff;
    font-size: 1.75rem;
}

.auth-panel .auth-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.1rem;
    color: rgba(255, 255, 255, 0.92);
}

.auth-panel .auth-point i {
    font-size: 1.15rem;
    margin-top: 0.15rem;
}

.auth-form-side {
    padding: 3rem 2.5rem;
}

/* ============================================================
   Flashcard
   ============================================================ */

.flashcard-escena {
    perspective: 1200px;
}

.flashcard-interior {
    position: relative;
    min-height: 280px;
    width: 100%;
    transition: transform 0.5s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flashcard-interior.volteada {
    transform: rotateY(180deg);
}

.flashcard-cara {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.flashcard-cara-trasera {
    transform: rotateY(180deg);
}

/* ============================================================
   Footer
   ============================================================ */

footer {
    color: var(--color-muted);
    font-size: 0.875rem;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

@media (max-width: 767.98px) {
    .auth-panel { display: none; }
    .hero h1 { font-size: 2rem; }
}

/* ============================================================
   App shell (sidebar + topbar)
   ============================================================ */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 264px;
    flex-shrink: 0;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.app-sidebar-brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0 0.5rem 1.5rem;
}

.app-sidebar-brand .app-sidebar-brand-name {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--color-ink);
}

.app-sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.app-sidebar-section {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    padding: 1rem 0.75rem 0.4rem;
    font-weight: 700;
}

.app-sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-text) !important;
    font-weight: 500;
    font-size: 0.925rem;
}

.app-sidebar-link i {
    font-size: 1.05rem;
    width: 1.2rem;
    text-align: center;
    color: var(--color-muted);
}

.app-sidebar-link:hover {
    background-color: var(--color-primary-soft);
    color: var(--color-primary-dark) !important;
}

.app-sidebar-link:hover i {
    color: var(--color-primary-dark);
}

.app-sidebar-link.active {
    background-color: var(--color-primary-soft);
    color: var(--color-primary) !important;
}

.app-sidebar-link.active i {
    color: var(--color-primary);
}

.app-sidebar-logout {
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
    padding-top: 1rem;
}

.app-sidebar-help {
    background-color: var(--color-primary-soft);
    border-radius: var(--radius);
    padding: 1.1rem;
    margin-top: 1rem;
}

.app-sidebar-help .icon-badge {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.75rem;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-topbar-title {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-ink);
}

.app-topbar-center {
    flex: 1;
    max-width: 420px;
}

.app-topbar-user-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
}

.app-topbar-user-btn:hover, .app-topbar-user-btn:focus {
    background-color: var(--color-primary-soft);
}

.app-topbar-user-btn::after {
    margin-left: 0.4rem;
}

.app-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 50%;
    background-color: var(--color-primary-soft);
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 0.85rem;
}

.app-avatar-img {
    object-fit: cover;
}

.app-content {
    padding: 1.75rem;
    flex: 1;
}

.app-focus-content {
    padding-top: 1.75rem;
    padding-bottom: 2.5rem;
}

@media (max-width: 991.98px) and (min-width: 768px) {
    /* Portátiles con pantalla pequeña o escalado de Windows: se angosta en vez de ocultarse. */
    .app-sidebar.d-md-flex { width: 210px; }
    .app-sidebar-brand-name, .app-sidebar-link, .app-sidebar-section { font-size: 0.9rem; }
}

@media (max-width: 767.98px) {
    .app-sidebar.d-md-flex { display: none !important; }
    .app-content { padding: 1.25rem; }
}

/* ============================================================
   Materia icon colors
   ============================================================ */

.icon-badge.color-rojo { background-color: #fde3e7; color: #d23a56; }
.icon-badge.color-naranja { background-color: #fdead2; color: #c2660d; }
.icon-badge.color-morado { background-color: #f1e6fb; color: #7c3aed; }
.icon-badge.color-azul { background-color: #e1ecfd; color: #2563eb; }
.icon-badge.color-indigo { background-color: #e9e7fd; color: #6366f1; }
.icon-badge.color-verde { background-color: #dff5e8; color: #16a34a; }
.icon-badge.color-teal { background-color: var(--color-primary-soft); color: var(--color-primary); }

/* ============================================================
   Breadcrumb
   ============================================================ */

.app-breadcrumb {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.app-breadcrumb a {
    color: var(--color-muted);
}

.app-breadcrumb a:hover {
    color: var(--color-primary);
}

/* ============================================================
   Segmented tabs
   ============================================================ */

.segmented-tabs {
    display: inline-flex;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.segmented-tabs a {
    padding: 0.45rem 1.1rem;
    border-radius: calc(var(--radius-sm) - 0.15rem);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-muted) !important;
}

.segmented-tabs a.active {
    background-color: var(--color-surface);
    color: var(--color-ink) !important;
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   Stat boxes (results page)
   ============================================================ */

.stat-box {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem;
    text-align: center;
}

.stat-box h3 {
    font-size: 1.75rem;
    margin-bottom: 0.1rem;
}

/* ============================================================
   Custom radio option rows (exam)
   ============================================================ */

.opcion-respuesta {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: 0.65rem;
    cursor: pointer;
    transition: border-color 0.12s ease, background-color 0.12s ease;
}

.opcion-respuesta:hover {
    border-color: var(--color-primary-light);
    background-color: var(--color-primary-soft);
}

.opcion-respuesta input {
    margin-right: 0.6rem;
}

.opcion-respuesta:has(input:checked) {
    border-color: var(--color-primary);
    background-color: var(--color-primary-soft);
}

/* Repaso: una vez respondida, la opción queda fija (retroalimentación inmediata) */

.opcion-respuesta-resuelta {
    cursor: default;
}

.opcion-respuesta-resuelta:hover {
    border-color: var(--color-border);
    background-color: transparent;
}

.opcion-respuesta.opcion-correcta {
    border-color: var(--color-success);
    background-color: var(--color-success-soft);
}

.opcion-respuesta.opcion-incorrecta {
    border-color: var(--color-danger);
    background-color: var(--color-danger-soft);
}

/* Review rows on results page */

.revision-item {
    border-left: 4px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
}

.revision-item.es-correcta { border-left-color: var(--color-success); }
.revision-item.es-incorrecta { border-left-color: var(--color-danger); }

.list-group-item.active {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

.list-group-item-action:hover {
    background-color: var(--color-primary-soft);
}

.revision-explicacion {
    background-color: var(--color-primary-soft);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-top: 0.75rem;
}

/* ============================================================
   Chat del mentor IA
   ============================================================ */

.chat-lista {
    height: 52vh;
    min-height: 320px;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.chat-msg {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    max-width: 88%;
}

.chat-msg-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-burbuja {
    padding: 0.7rem 1rem;
    border-radius: var(--radius);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    overflow-wrap: anywhere;
}

.chat-msg-user .chat-burbuja {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.chat-burbuja.chat-error {
    background-color: var(--color-danger-soft);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.chat-md > :last-child { margin-bottom: 0; }
.chat-md p { margin-bottom: 0.5rem; }
.chat-md ul, .chat-md ol { padding-left: 1.25rem; margin-bottom: 0.5rem; }

.chat-sugerencias {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1.25rem 0.75rem;
}

.chat-entrada {
    display: flex;
    gap: 0.6rem;
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--color-border);
    align-items: flex-end;
}

.chat-entrada textarea {
    resize: none;
}

/* ============================================================
   Resúmenes clínicos y estudio con flashcards
   ============================================================ */

.resumen-grupo-titulo {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    margin-bottom: 0.75rem;
}

.resumen-tarjeta {
    transition: transform 0.15s, box-shadow 0.15s;
}

.resumen-tarjeta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.resumen-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

@media (min-width: 1200px) {
    .resumen-layout { grid-template-columns: minmax(0, 1fr) 260px; }
}

.resumen-articulo {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    min-width: 0;
}

.resumen-indice {
    position: sticky;
    top: 1rem;
}

.resumen-indice-titulo {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 0.6rem;
}

.resumen-indice-lista a {
    display: block;
    font-size: 0.85rem;
    color: var(--color-muted);
    padding: 0.3rem 0.6rem;
    border-left: 2px solid var(--color-border);
}

.resumen-indice-lista a:hover { color: var(--color-primary); }

.resumen-indice-lista a.activo {
    color: var(--color-ink);
    font-weight: 600;
    border-left-color: var(--color-primary-light);
}

.resumen-migas {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-danger);
    margin-bottom: 0.4rem;
}

.resumen-titulo {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
}

.resumen-titulo .bi-patch-check-fill {
    color: var(--color-primary);
    font-size: 1.3rem;
    vertical-align: middle;
}

.resumen-fecha {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.resumen-aviso {
    background-color: var(--color-danger-soft);
    border: 1px solid #f3c6cd;
    border-radius: var(--radius-sm);
    padding: 0.9rem 1.1rem;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.resumen-aviso > :last-child { margin-bottom: 0; }

.resumen-figura {
    margin: 1.25rem 0;
    text-align: center;
}

.resumen-figura img {
    max-width: 100%;
    max-height: 380px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.resumen-contenido h2 {
    background-color: #1c2333;
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    margin: 2rem 0 1rem;
}

.resumen-contenido h2::before {
    content: "\25B6";
    font-size: 0.7rem;
    margin-right: 0.6rem;
    color: var(--color-primary-light);
}

.resumen-contenido h3 {
    font-size: 1.05rem;
    margin: 1.5rem 0 0.6rem;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid var(--color-primary-soft);
}

.resumen-contenido h4 { font-size: 0.95rem; margin-top: 1.1rem; }

.resumen-contenido ul, .resumen-contenido ol { padding-left: 1.4rem; }

.resumen-contenido li { margin-bottom: 0.25rem; }

.resumen-contenido blockquote {
    background-color: var(--color-warning-soft);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    margin: 1rem 0;
}

.resumen-contenido blockquote > :last-child { margin-bottom: 0; }

.resumen-contenido img {
    max-width: 100%;
    border-radius: var(--radius);
}

.tabla-resumen {
    overflow-x: auto;
    margin: 1rem 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.tabla-resumen table {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.tabla-resumen th {
    background-color: var(--color-bg);
    color: var(--color-ink);
    font-size: 0.8rem;
    white-space: nowrap;
}

.tabla-resumen td:first-child { font-weight: 600; white-space: nowrap; }

/* Estudio con flashcards */

.estudio-tarjeta {
    min-height: 320px;
}

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

.estudio-chip {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-muted);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.15rem 0.65rem;
}

.estudio-chip:empty { display: none; }

.estudio-chip-nuevo {
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
    border-color: transparent;
}

.estudio-pregunta {
    text-align: center;
    font-size: 1.45rem;
    line-height: 1.35;
    margin: 0.5rem 0 0;
}

.resumen-contenido-tarjeta { font-size: 0.95rem; }

/* Diagramas (Mermaid) e ilustraciones */

.diagrama-mermaid {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    text-align: center;
}

.diagrama-mermaid svg {
    max-width: 100%;
    height: auto;
}

.diagrama-error {
    font-size: 0.8rem;
    color: var(--color-warning);
    background-color: var(--color-warning-soft);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.75rem;
    margin: 1rem 0 0.25rem;
}

.resumen-figura figcaption {
    font-size: 0.75rem;
    color: var(--color-muted);
    margin-top: 0.4rem;
}

.chat-md pre {
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
    overflow-x: auto;
}

.imagen-pendiente {
    border: 2px dashed var(--color-warning);
    background-color: var(--color-warning-soft);
    color: var(--color-warning);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    margin: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
}

.resumen-proximamente {
    opacity: 0.6;
    background-color: var(--color-bg);
    cursor: default;
}
.resumen-proximamente:hover { transform: none; box-shadow: var(--shadow-sm); }

/* Términos del diccionario enlazados dentro de un resumen */

a.termino-enlace {
    color: inherit;
    text-decoration: none;
    border-bottom: 1.5px dotted var(--color-primary);
    cursor: help;
}

a.termino-enlace:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
}

.popover { max-width: 320px; font-size: 0.85rem; }
.popover-header { font-weight: 700; color: var(--color-ink); }

.texto-enriquecido p:last-child {
    margin-bottom: 0;
}