/* ==========================================================================
   RTAAcademy Core Style Sheet - Paleta de Marca
   ========================================================================== */

:root {
    /* ── Paleta de Marca ─────────────────────────────────────────────────── */
    --brand-yellow: #FFC107;
    /* Amarillo Taxi → botones/CTA  */
    --brand-yellow-hover: #E6AC00;
    /* Hover más oscuro              */
    --brand-yellow-glow: rgba(255, 193, 7, 0.18);
    /* Brillo sutil                  */

    --brand-teal: #0F4C5C;
    /* Azul Petróleo → enlaces/iconos*/
    --brand-teal-hover: #0a3745;
    /* Hover más oscuro              */
    --brand-teal-glow: rgba(15, 76, 92, 0.12);
    /* Brillo sutil                  */

    --brand-black: #121212;
    /* Negro       → texto principal  */
    --brand-dark: #2D2D2D;
    /* Gris Oscuro → elementos ui     */
    --brand-light: #F5F5F5;
    /* Gris Claro  → fondos           */
    --brand-white: #FFFFFF;
    /* Blanco      → tarjetas/fondos  */

    /* ── Fondos ──────────────────────────────────────────────────────────── */
    --bg-primary: var(--brand-light);
    --bg-secondary: var(--brand-white);
    --bg-card: var(--brand-white);

    /* ── Bordes ──────────────────────────────────────────────────────────── */
    --border-color: #E0E0E0;
    --border-focus: var(--brand-teal);

    /* ── Texto ───────────────────────────────────────────────────────────── */
    --text-primary: var(--brand-black);
    --text-secondary: #4A4A4A;
    --text-muted: #9E9E9E;

    /* ── Acento Primario: Azul Petróleo (enlaces, iconos, destacados) ─────── */
    --accent-blue: var(--brand-teal);
    --accent-blue-hover: var(--brand-teal-hover);
    --accent-blue-glow: var(--brand-teal-glow);

    /* ── Acento Secundario: Amarillo Taxi (botones, CTA) ─────────────────── */
    --accent-green: var(--brand-yellow);
    --accent-green-hover: var(--brand-yellow-hover);
    --accent-green-glow: var(--brand-yellow-glow);

    /* ── Semántica del sistema ───────────────────────────────────────────── */
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;

    --color-warning: var(--brand-yellow);
    --color-warning-bg: #fffdf0;
    --color-warning-border: #FFE082;

    --color-success-bg: #f0fdf4;
    --color-success-border: #bbf7d0;

    /* ── Tipografías ─────────────────────────────────────────────────────── */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* ── Radios de borde ─────────────────────────────────────────────────── */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;

    /* ── Sombras ─────────────────────────────────────────────────────────── */
    --shadow-card: 0 10px 25px -5px rgba(18, 18, 18, 0.07), 0 8px 10px -6px rgba(18, 18, 18, 0.04);
    --shadow-hover: 0 20px 35px -10px rgba(18, 18, 18, 0.14), 0 10px 20px -5px rgba(18, 18, 18, 0.07);

    /* ── Transiciones ────────────────────────────────────────────────────── */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   1. Reset & Configuración Básica
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-blue-hover);
}

/* ==========================================================================
   2. Header & Navegación (Glassmorphism Light)
   ========================================================================== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-text span {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.auth-buttons {
    display: flex;
    gap: 12px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 20px;
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid var(--accent-blue);
    object-fit: cover;
    box-shadow: var(--shadow-card);
}

.avatar-placeholder {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-hover));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    box-shadow: var(--shadow-card);
}

.username {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================================
   3. Elementos Generales de Interfaz (Botones, Alertas)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-yellow), var(--brand-yellow-hover));
    color: var(--brand-black);
    box-shadow: 0 4px 14px var(--brand-yellow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255, 193, 7, 0.45);
    background: linear-gradient(135deg, var(--brand-yellow-hover), var(--brand-yellow));
    color: var(--brand-black);
}

.btn-success {
    background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-hover));
    color: #ffffff;
    box-shadow: 0 4px 14px var(--brand-teal-glow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 76, 92, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background-color: var(--brand-yellow-glow);
    border-color: var(--brand-yellow);
    color: var(--brand-black);
}

.btn-text {
    background: transparent;
    color: var(--text-secondary);
}

.btn-text:hover {
    color: var(--brand-teal);
    background: var(--brand-teal-glow);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-locked {
    background-color: rgba(15, 23, 42, 0.02);
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
}

.btn-locked:hover {
    background-color: rgba(15, 23, 42, 0.05);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Efecto Brillo (Shine) para botones primarios */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(30deg);
    transition: none;
}

.btn-shine:hover::after {
    left: 120%;
    transition: all 0.75s ease-in-out;
}

/* Alertas Modernas */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: var(--color-warning);
}

.alert-success {
    background-color: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: var(--accent-green);
}

/* ==========================================================================
   4. Formularios de Autenticación (Login & Registro)
   ========================================================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.auth-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    position: relative;
    z-index: 1;
}

/* Formas Abstractas de Fondo - Tonalidades Pasteles Sutiles */
.auth-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.06;
}

.shape-1 {
    top: 15%;
    left: 20%;
    width: 300px;
    height: 300px;
    background-color: var(--accent-blue);
    /* Animación eliminada para reducir carga GPU */
}

.shape-2 {
    bottom: 15%;
    right: 20%;
    width: 350px;
    height: 350px;
    background-color: var(--accent-green);
    /* Animación eliminada para reducir carga GPU */
}

/* Tarjeta de Autenticación */
.auth-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 460px;
    padding: 40px;
    box-shadow: var(--shadow-card);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-title {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 48px 12px 42px;
    /* padding-right: 48px para el botón ojo */
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

/* Input sin icono izquierdo */
.input-wrapper input.no-left-icon {
    padding-left: 16px;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.15);
    background-color: #ffffff;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: color var(--transition-fast);
}

.input-wrapper:focus-within .input-icon {
    color: var(--accent-blue);
}

.btn-toggle-password {
    position: absolute;
    right: 14px;
    z-index: 2;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.btn-toggle-password:hover {
    color: var(--text-primary);
}

/* Ocultar el botón nativo del navegador para mostrar contraseña
   (Edge, Chrome e IE añaden su propio ojito — lo eliminamos para
   que sólo aparezca nuestro botón personalizado) */
input[type="password"]::-ms-reveal,
input[type="password"]::-ms-clear {
    display: none;
}

input[type="password"]::-webkit-contacts-auto-fill-button,
input[type="password"]::-webkit-credentials-auto-fill-button {
    display: none;
}

/* Mensajes de Validación Local */
.error-msg {
    font-size: 0.78rem;
    color: var(--color-danger);
    min-height: 16px;
    display: block;
    margin-top: 2px;
}

/* Divisor OR */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.auth-divider::before {
    margin-right: .75em;
}

.auth-divider::after {
    margin-left: .75em;
}

/* Botón OAuth */
.btn-google {
    background-color: #ffffff;
    color: #1f2937;
    border: 1px solid #d1d5db;
}

.btn-google:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
}

.google-icon {
    margin-right: 4px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.auth-link {
    font-weight: 600;
    color: var(--accent-blue);
}

/* Contenedor de acciones OAuth (Google, etc.) */
.oauth-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Estado de error en inputs (activado por JS) */
.input-error {
    border-color: var(--color-danger) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
    background-color: #fff5f5 !important;
}

/* ==========================================================================
   5. Dashboard del Curso (Héroe, Barra de Progreso y Tarjetas)
   ========================================================================== */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px;
    width: 100%;
}

.dashboard-hero {
    text-align: center;
    margin-bottom: 40px;
}

.dashboard-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 50%, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.dashboard-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 32px auto;
}

/* Banner de Bienvenida Invitados */
.guest-banner {
    display: flex;
    align-items: center;
    gap: 24px;
    background-color: var(--brand-teal-glow);
    border: 1px solid rgba(15, 76, 92, 0.15);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
    box-shadow: var(--shadow-card);
}

.guest-banner-icon {
    font-size: 1.8rem;
    color: var(--brand-teal);
    background-color: #ffffff;
    border: 2px solid rgba(15, 76, 92, 0.15);
    box-shadow: 0 4px 12px rgba(15, 76, 92, 0.10);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.guest-banner-content {
    flex: 1;
}

.guest-banner-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.guest-banner-content p {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

/* Barra de Progreso */
.progress-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-card);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.progress-label {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.progress-label i {
    color: var(--accent-blue);
}

.progress-percentage {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-blue);
}

.progress-bar-container {
    background-color: #E0E0E0;
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--brand-teal), var(--brand-yellow));
    height: 100%;
    width: 0;
    border-radius: 5px;
    transition: width 0.8s cubic-bezier(0.1, 0.8, 0.2, 1);
    box-shadow: 0 0 8px rgba(15, 76, 92, 0.3);
}

/* ── Learning Path (Ruta de Aprendizaje) ── */
.modules-track {
    display: flex;
    flex-direction: column;
    position: relative;
    padding-left: 0;
    gap: 0;
}

/* Línea conectora vertical */
.modules-track::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 35px;
    width: 2px;
    bottom: 40px;
    background: linear-gradient(to bottom, var(--brand-teal), rgba(15, 76, 92, 0.08));
    z-index: 0;
}

/* Fila de Módulo */
.module-row {
    display: grid;
    grid-template-columns: 70px 1fr auto;
    align-items: center;
    gap: 28px;
    padding: 20px 24px 20px 0;
    border-radius: 16px;
    transition: background var(--transition-normal), transform var(--transition-normal);
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.module-row:hover {
    background: rgba(15, 76, 92, 0.04);
    transform: translateX(6px);
}

.module-row.locked {
    cursor: not-allowed;
    opacity: 0.6;
}

.module-row.locked * {
    pointer-events: none;
}

.module-row.locked:hover {
    background: transparent;
    transform: none;
}

.module-row.locked .module-row-btn {
    background: #cbd5e1 !important;
    color: #64748b !important;
    box-shadow: none !important;
}

.module-row.completed .module-row-num {
    background: var(--brand-teal);
    color: #fff;
    border-color: var(--brand-teal);
    box-shadow: 0 4px 14px rgba(15, 76, 92, 0.28);
}

/* Número grande circular con ícono */
.module-row-num {
    position: relative;
    z-index: 1;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid rgba(15, 76, 92, 0.18);
    box-shadow: 0 2px 12px rgba(15, 76, 92, 0.10);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.module-row-num i {
    font-size: 1.3rem;
    color: var(--brand-teal);
    transition: color var(--transition-normal);
}

.module-row.completed .module-row-num i {
    color: #fff;
}

.module-row-num span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1;
    transition: color var(--transition-normal);
}

.module-row.completed .module-row-num span {
    color: rgba(255, 255, 255, 0.7);
}

/* Separador entre filas */
.module-row-sep {
    height: 1px;
    background: var(--border-color);
    margin-left: 98px;
    margin-right: 24px;
    opacity: 0.6;
}

.modules-track .module-row:last-child+.module-row-sep {
    display: none;
}

/* Contenido de la fila */
.module-row-body {
    flex: 1;
    min-width: 0;
}

.module-row-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--brand-teal);
    margin-bottom: 4px;
}

.module-row-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.3;
    transition: color var(--transition-fast);
}

.module-row:hover .module-row-title {
    color: var(--brand-teal);
}

.module-row-desc {
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.module-row-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* Acción en el extremo derecho */
.module-row-action {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.module-row-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all var(--transition-normal);
    white-space: nowrap;
    background: var(--brand-yellow);
    color: #121212;
    box-shadow: 0 3px 12px rgba(255, 193, 7, 0.30);
}

.module-row-btn:hover {
    background: var(--brand-yellow-hover);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.45);
    transform: translateY(-1px);
}

.module-row.completed .module-row-btn {
    background: rgba(15, 76, 92, 0.08);
    color: var(--brand-teal);
    box-shadow: none;
    border: 1.5px solid rgba(15, 76, 92, 0.18);
}

.module-row.completed .module-row-btn:hover {
    background: var(--brand-teal);
    color: #fff;
    border-color: var(--brand-teal);
    box-shadow: 0 4px 14px rgba(15, 76, 92, 0.25);
}

.module-row-complete-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--brand-teal);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Mini-progreso de lecciones */
.module-lesson-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.lesson-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #E0E0E0;
    border: 2px solid #CCCCCC;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.lesson-dot.done {
    background-color: var(--brand-teal);
    border-color: var(--brand-teal);
    box-shadow: 0 0 5px rgba(15, 76, 92, 0.3);
}

.lesson-dot-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-left: 2px;
}

/* Responsive */
@media (max-width: 640px) {
    .modules-track::before {
        left: 25px;
        top: 30px;
        bottom: 30px;
    }

    .module-row {
        grid-template-columns: 50px 1fr;
        grid-template-rows: auto auto;
    }

    .module-row-num {
        width: 50px;
        height: 50px;
    }

    .module-row-num i {
        font-size: 1rem;
    }

    .module-row-action {
        grid-column: 2;
    }

    .module-row-sep {
        margin-left: 74px;
    }
}


/* ==========================================================================
   6. Footer (Pie de Página)
   ========================================================================== */
.app-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--brand-teal);
}

/* ==========================================================================
   7. Animaciones Keyframes & Utilidades
   ========================================================================== */
.animate-fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-up {
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-shake {
    animation: shake 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* keyframes pulse-slow y pulse eliminados — usados solo en animaciones de fondo removidas */

@keyframes pop-check {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-6px);
    }

    75% {
        transform: translateX(6px);
    }
}

/* ==========================================================================
   8. Media Queries (Responsividad - Mobile First)
   ========================================================================== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 16px;
    }

    .user-profile {
        width: 100%;
        justify-content: space-between;
    }

    .guest-banner {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .guest-banner-icon {
        margin: 0 auto;
    }

    .dashboard-title {
        font-size: 2.2rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .auth-card {
        padding: 30px 20px;
    }
}

/* ==========================================================================
   9. Dashboard - Puntos de progreso por lección en tarjetas de módulo
   ========================================================================== */
.module-lesson-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: -4px;
}

.lesson-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    border: 2px solid #cbd5e1;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.lesson-dot.done {
    background-color: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.35);
}

.lesson-dot-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-left: 4px;
    white-space: nowrap;
}

/* ==========================================================================
   10. Página de Módulo
   ========================================================================== */
.module-page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 64px;
    width: 100%;
}

/* Breadcrumb */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.breadcrumb-nav a:hover {
    color: var(--accent-blue);
}

.breadcrumb-sep {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* Hero del módulo */
.module-page-hero {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-card);
}

.module-page-icon {
    font-size: 2rem;
    color: var(--brand-teal);
    background-color: #ffffff;
    border: 2px solid rgba(15, 76, 92, 0.15);
    box-shadow: 0 4px 14px rgba(15, 76, 92, 0.12);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.module-page-info {
    flex: 1;
}

.module-badge-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 20px;
    padding: 3px 12px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.module-page-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.2;
}

.module-page-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.6;
}

.module-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.module-meta span {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.module-meta i {
    color: var(--accent-blue);
}

/* Lista de lecciones */
.lessons-list-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lessons-list-title i {
    color: var(--accent-blue);
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.lesson-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(14, 165, 233, 0.15);
}

.lesson-item.passed {
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.02);
}

.lesson-num-circle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.07);
    border: 2px solid rgba(14, 165, 233, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--accent-blue);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.lesson-num-circle.done {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.lesson-item-info {
    flex: 1;
}

.lesson-item-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.lesson-item-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.lesson-item-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.lesson-item-meta span {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.lesson-item-meta i {
    color: var(--accent-blue);
}

.badge-passed {
    color: var(--accent-green) !important;
    font-weight: 700 !important;
}

.badge-passed i {
    color: var(--accent-green) !important;
}

.lesson-item-action {
    flex-shrink: 0;
}

.module-back-btn {
    margin-bottom: 20px;
}

/* ==========================================================================
   11. Página de Lección (Video + Quiz)
   ========================================================================== */
.lesson-page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 24px 64px;
    width: 100%;
}

.lesson-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
    align-items: start;
}

/* Reproductor de Video */
.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 */
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-hover);
    margin-bottom: 28px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.lesson-content-header {
    margin-bottom: 28px;
}

.lesson-module-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 20px;
    padding: 3px 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.lesson-content-title {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.2;
}

.lesson-content-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 14px;
}

.lesson-meta-tags {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.lesson-meta-tags span {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.lesson-meta-tags i {
    color: var(--accent-blue);
}

/* ---- QUIZ ---- */
.quiz-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.quiz-header {
    margin-bottom: 28px;
    text-align: center;
}

.quiz-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.quiz-title i {
    color: var(--accent-blue);
}

.quiz-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.quiz-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}


.quiz-q-header {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.quiz-q-number {
    min-width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #ffffff;
    color: var(--brand-teal);
    border: 2px solid rgba(15, 76, 92, 0.18);
    box-shadow: 0 2px 8px rgba(15, 76, 92, 0.08);
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    flex-shrink: 0;
    margin-top: 2px;
}

.quiz-q-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 44px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 22px;
    background: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.quiz-option:hover {
    border-color: rgba(14, 165, 233, 0.35);
    background: rgba(14, 165, 233, 0.04);
}

.quiz-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.quiz-option input[type="radio"]:checked~.option-text {
    font-weight: 600;
}

.quiz-option:has(input:checked) {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.06);
}

.option-letter {
    min-width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.quiz-option:has(input:checked) .option-letter {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.option-text {
    font-size: 0.92rem;
    color: var(--text-primary);
}

.option-indicator {
    margin-left: auto;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Resultado coloración de opciones */
.quiz-option.correct {
    border-color: var(--accent-green) !important;
    background: rgba(16, 185, 129, 0.07) !important;
}

.quiz-option.correct .option-letter {
    background: var(--accent-green) !important;
    border-color: var(--accent-green) !important;
    color: #fff !important;
}

.quiz-option.incorrect {
    border-color: var(--color-danger) !important;
    background: rgba(239, 68, 68, 0.06) !important;
}

.quiz-option.incorrect .option-letter {
    background: var(--color-danger) !important;
    border-color: var(--color-danger) !important;
    color: #fff !important;
}

.quiz-actions {
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.quiz-actions .btn {
    min-width: 220px;
    padding: 14px 28px;
    font-size: 1rem;
}

/* Resultado Card */
.quiz-result-card {
    text-align: center;
    padding: 36px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    margin-top: 20px;
}

.quiz-result-card.passed {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.04);
}

.quiz-result-card.failed {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.03);
}

.quiz-result-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.quiz-result-card.passed h3 {
    color: var(--accent-green);
}

.quiz-result-card.failed h3 {
    color: var(--color-danger);
}

.quiz-result-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.quiz-result-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 18px;
}

.quiz-result-icon.passed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.quiz-result-icon.failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Ya aprobado */
.quiz-already-passed {
    text-align: center;
    padding: 28px;
    background: rgba(16, 185, 129, 0.04);
    border: 1.5px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.quiz-already-passed h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 6px;
}

.quiz-already-passed p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Navegación Prev/Next */
.lesson-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.lesson-nav-btn {
    flex: 1;
    min-width: 160px;
    max-width: 48%;
    justify-content: center;
}

/* Sidebar de lecciones */
.lesson-sidebar {
    position: sticky;
    top: 80px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.sidebar-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title i {
    color: var(--accent-blue);
}

.sidebar-lesson-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-lesson-item a {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.sidebar-lesson-item a:hover {
    background: rgba(14, 165, 233, 0.06);
    color: var(--accent-blue);
}

.sidebar-lesson-item.current a {
    background: rgba(14, 165, 233, 0.08);
    color: var(--accent-blue);
    font-weight: 600;
}

.sidebar-lesson-item.done a {
    color: var(--accent-green);
}

.sidebar-lesson-item.done.current a {
    background: rgba(16, 185, 129, 0.08);
    color: var(--accent-green);
}

.sbl-num {
    font-weight: 700;
    font-size: 0.8rem;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sbl-title {
    font-size: 0.82rem;
    line-height: 1.3;
}

.sbl-dur {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Utilidad hidden */
.hidden {
    display: none !important;
}

/* ==========================================================================
   12. Responsive para Lección y Módulo
   ========================================================================== */
@media (max-width: 900px) {
    .lesson-layout {
        grid-template-columns: 1fr;
    }

    .lesson-sidebar {
        position: static;
        order: -1;
    }

    .module-page-hero {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .module-meta {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .lesson-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .lesson-item-action {
        width: 100%;
    }

    .lesson-item-action .btn {
        width: 100%;
        justify-content: center;
    }

    .quiz-options {
        padding-left: 0;
    }

    .lesson-nav-btn {
        max-width: 100%;
    }

    .lesson-nav {
        flex-direction: column;
    }

    .quiz-section {
        padding: 24px 18px;
    }
}

/* ── Pantalla de Carga Premium (Login Preloader) ── */
.login-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #ffffff;
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 1;
}

.login-preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 400px;
    padding: 20px;
}

.preloader-logo-area {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preloader-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    z-index: 2;
    /* Sin animación continua */
}

.preloader-glow {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: rgba(15, 76, 92, 0.08);
    filter: blur(20px);
    z-index: 1;
    /* Animación de brillo eliminada */
}

.preloader-brand {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: #121212;
    margin-bottom: 8px;
    letter-spacing: 1.5px;
}

.preloader-brand span {
    color: #0F4C5C;
}

.preloader-status {
    font-size: 1.05rem;
    font-weight: 500;
    color: #4A4A4A;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.preloader-progress-track {
    position: relative;
    width: 260px;
    height: 4px;
    background: #EAEAEA;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.preloader-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #0F4C5C, #268fa8);
    border-radius: 10px;
    transition: width 0.4s cubic-bezier(0.1, 0.8, 0.25, 1);
    box-shadow: 0 0 10px rgba(15, 76, 92, 0.2);
}

.preloader-subtext {
    font-size: 0.82rem;
    color: #999999;
    letter-spacing: 1px;
    text-transform: uppercase;
}

@keyframes preloader-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

@keyframes preloader-glow-anim {

    0%,
    100% {
        transform: scale(0.9);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.25);
        opacity: 0.95;
    }
}

.preloader-progress-bar.infinite {
    position: absolute;
    left: -30%;
    top: 0;
    width: 30%;
    height: 100%;
    animation: preloader-infinite-slide 1.5s infinite linear;
}

@keyframes preloader-infinite-slide {
    0% {
        left: -30%;
    }

    100% {
        left: 100%;
    }
}

/* ==========================================================================
   Dashboard Hero – dos columnas (texto | imagen)
   ========================================================================== */
.dash-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 32px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.dash-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    color: var(--brand-black);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.dash-hero-lead {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 480px;
}

.dash-hero-img {
    display: flex;
    align-items: center;
    justify-content: center;
}

.dash-hero-img img {
    width: 100%;
    max-width: 520px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(15,76,92,0.10));
}

/* ==========================================================================
   Fila de tarjetas de progreso
   ========================================================================== */
.dash-progress-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.dash-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.dash-card-label {
    width: 100%;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.dash-card-label i { color: var(--brand-teal); }

/* Anillo SVG circular */
.dash-ring-wrap {
    position: relative;
    width: 140px;
    height: 140px;
}

.dash-ring {
    width: 140px;
    height: 140px;
    transform: rotate(-90deg);
}

.dash-ring-bg {
    fill: none;
    stroke: #e5e7eb;
    stroke-width: 10;
}

.dash-ring-fill {
    fill: none;
    stroke: #22c55e;
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dasharray 1s ease;
}

.dash-ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dash-ring-pct {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--brand-black);
    line-height: 1;
}

.dash-ring-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.dash-congrats-msg {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}

.dash-progress-bar-wrap {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.dash-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-teal), var(--brand-yellow));
    border-radius: 4px;
    transition: width 0.8s ease;
}

/* Tarjeta certificado */
.dash-card-cert {
    background: linear-gradient(145deg, #fffbeb, #ffffff);
    border-color: #fde68a;
    justify-content: center;
    text-align: center;
    gap: 10px;
}

.dash-cert-trophy {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(251,191,36,0.35);
    margin-bottom: 4px;
}

.dash-cert-trophy i {
    font-size: 2rem;
    color: #fff;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
}

.dash-cert-trophy-pending {
    background: linear-gradient(135deg, #94a3b8, #64748b);
    box-shadow: 0 8px 24px rgba(100,116,139,0.25);
    opacity: 0.7;
}

.dash-cert-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--brand-black);
    margin: 0;
}

.dash-cert-sub {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0;
}

.dash-cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
}

.dash-cert-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-yellow);
    color: var(--brand-black);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(255,193,7,0.35);
    transition: all var(--transition-normal);
    margin-top: 4px;
}

.dash-cert-btn:hover {
    background: var(--brand-yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255,193,7,0.45);
    color: var(--brand-black);
}

/* Tarjeta pendiente */
.dash-card-pending {
    background: #f8fafc;
    border-color: var(--border-color);
}

.dash-pending-bar {
    width: 80%;
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    overflow: hidden;
}

.dash-pending-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-teal), var(--brand-yellow));
    border-radius: 3px;
    transition: width 0.8s ease;
}

.dash-pending-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .dash-hero {
        grid-template-columns: 1fr;
        padding: 32px 24px;
        text-align: center;
    }
    .dash-hero-img { order: -1; }
    .dash-hero-img img { max-width: 320px; }
    .dash-progress-row { grid-template-columns: 1fr; }
}

/* ==========================================================================
   6. Menú desplegable de perfil y Modal de Edición
   ========================================================================== */

/* Dropdown del Perfil */
.user-profile-dropdown {
    position: relative;
    display: inline-block;
}

.profile-info-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 30px;
    background-color: rgba(15, 76, 92, 0.04);
    border: 1px solid rgba(15, 76, 92, 0.08);
    transition: all var(--transition-normal);
    user-select: none;
}

.profile-info-trigger:hover {
    background-color: rgba(15, 76, 92, 0.08);
    transform: translateY(-1px);
}

.profile-info-trigger .dropdown-arrow {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
}

.user-profile-dropdown.active .profile-info-trigger .dropdown-arrow {
    transform: rotate(180deg);
}

.profile-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    width: 250px;
    background-color: var(--brand-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
    z-index: 150;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.profile-menu-dropdown.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.profile-menu-dropdown .dropdown-header {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background-color: rgba(15, 76, 92, 0.02);
}

.profile-menu-dropdown .dropdown-header .header-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-menu-dropdown .dropdown-header .header-email {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-menu-dropdown .dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

.profile-menu-dropdown .dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    transition: all var(--transition-fast);
}

.profile-menu-dropdown .dropdown-item:hover {
    background-color: var(--brand-teal-glow);
    color: var(--accent-blue);
}

.profile-menu-dropdown .dropdown-item i {
    font-size: 1rem;
    color: var(--text-muted);
    width: 16px;
    text-align: center;
    transition: color var(--transition-fast);
}

.profile-menu-dropdown .dropdown-item:hover i {
    color: var(--accent-blue);
}

.profile-menu-dropdown .dropdown-item.logout-action {
    color: var(--color-danger);
}

.profile-menu-dropdown .dropdown-item.logout-action:hover {
    background-color: var(--color-danger-bg);
}

.profile-menu-dropdown .dropdown-item.logout-action i {
    color: var(--color-danger);
    opacity: 0.8;
}

/* Modales */
.app-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-wrapper {
    position: relative;
    background-color: var(--brand-white);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    transform: scale(0.95) translateY(15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

.app-modal.active .modal-wrapper {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-close-modal {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.btn-close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: #f8fafc;
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.modal-tab-btn {
    flex: 1;
    padding: 12px;
    text-align: center;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.modal-tab-content {
    display: none;
}

.modal-tab-content.active {
    display: block;
}

/* Avatar Grid / Selector */
.avatar-selector-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.avatar-selector-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.avatar-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.avatar-option {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-option:hover {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.avatar-option.active {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.15);
    transform: scale(1.05);
}

.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-option-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-hover));
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
}

.avatar-upload-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px dashed var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #f8fafc;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.avatar-upload-btn:hover {
    background-color: var(--brand-teal-glow);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Wallpaper Grid */
.wallpaper-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.wallpaper-option {
    position: relative;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    height: 90px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wallpaper-option:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.wallpaper-option.active {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.15);
}

.wallpaper-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    background-size: cover !important;
}

.wallpaper-preview.wp-default {
    background: var(--brand-light);
    color: var(--text-primary);
    text-shadow: none;
}

.wallpaper-preview.wp-arctic {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0fdf4 100%);
    color: #0369a1;
    text-shadow: none;
}

.wallpaper-preview.wp-sunset {
    background: linear-gradient(135deg, #fef3c7 0%, #fce7f3 100%);
    color: #be185d;
    text-shadow: none;
}

.wallpaper-preview.wp-space {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.wallpaper-preview.wp-nebula {
    background: linear-gradient(135deg, #1e1b4b 0%, #311042 100%);
}

.wallpaper-preview.wp-custom {
    background-color: #475569;
}

.wallpaper-option-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.wallpaper-option.active .wallpaper-option-check {
    opacity: 1;
    transform: scale(1);
}