/* ==========================================
   Curso "Domina Tu Dinero" — Estilos
   Usa variables del design system global
   ========================================== */

/* ===== BARRA DE PROGRESO GLOBAL ===== */
.curso-progress {
    background: var(--bg-glass);
    border-bottom: 1px solid var(--bg-glass-border);
    padding: 12px 0;
}

.curso-progress__inner {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.curso-progress__text {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.curso-progress__bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 100px;
    overflow: hidden;
}

.curso-progress__fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 100px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 0;
}

.curso-progress__pct {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 32px;
    text-align: right;
}

/* ===== NAVEGACIÓN DE LECCIÓN ===== */
.leccion-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.leccion-nav a,
.leccion-nav span {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.leccion-nav a:hover {
    color: var(--accent-primary);
}

.leccion-nav__center {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== HEADER DE LECCIÓN ===== */
.leccion-header {
    text-align: center;
    padding: 40px 20px 32px;
    max-width: 680px;
    margin: 0 auto;
}

.leccion-header__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    padding: 5px 14px;
    border-radius: 100px;
}

.leccion-header__badge--free {
    background: rgba(16, 185, 129, 0.12);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.leccion-header__badge--paid {
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(108, 99, 255, 0.25);
}

.leccion-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.leccion-header__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.leccion-header__meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== CONTENIDO PRINCIPAL ===== */
.leccion-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

/* ===== TABS ===== */
.leccion-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 14px;
    padding: 4px;
    margin-bottom: 28px;
}

.leccion-tabs__btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-family);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.leccion-tabs__btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.leccion-tabs__btn--active {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(108, 99, 255, 0.1);
}

.leccion-tab-panel {
    display: none;
}

.leccion-tab-panel--active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* ===== VÍDEO ===== */
.leccion-video {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 */
    border-radius: var(--card-radius);
    overflow: hidden;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    margin-bottom: 24px;
}

.leccion-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.leccion-video__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.leccion-video__placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.4;
}

/* ===== NOTAS CLAVE ===== */
.leccion-notas {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    margin-bottom: 20px;
}

.leccion-notas h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.leccion-notas ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leccion-notas li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}

.leccion-notas li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
}

.leccion-notas__callout {
    margin-top: 16px;
    padding: 14px 18px;
    background: rgba(108, 99, 255, 0.08);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 10px 10px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.leccion-notas__callout strong {
    color: var(--text-primary);
}

/* ===== CHECKLIST ===== */
.leccion-checklist {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    margin-bottom: 20px;
}

.leccion-checklist h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.leccion-checklist__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leccion-checklist__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 10px;
    transition: background var(--transition-fast);
}

.leccion-checklist__item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.leccion-checklist__item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
    margin-top: 1px;
    transition: all var(--transition-fast);
}

.leccion-checklist__item input[type="checkbox"]:checked {
    background: var(--accent-gradient);
    border-color: var(--accent-primary);
}

.leccion-checklist__item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
}

.leccion-checklist__item label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.leccion-checklist__item input:checked+label {
    color: var(--text-muted);
    text-decoration: line-through;
}

/* ===== CALCULADORA ENLAZADA ===== */
.leccion-calc-link {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.02));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--card-radius);
    padding: 18px 22px;
    margin-bottom: 20px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.leccion-calc-link:hover {
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.1);
    color: inherit;
}

.leccion-calc-link__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #10B981;
}

.leccion-calc-link__icon svg {
    width: 22px;
    height: 22px;
}

.leccion-calc-link__info {
    flex: 1;
}

.leccion-calc-link__title {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.leccion-calc-link__desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.leccion-calc-link__arrow {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.leccion-calc-link:hover .leccion-calc-link__arrow {
    transform: translateX(4px);
    color: #10B981;
}

/* ===== DESCARGABLE ===== */
.leccion-download {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.leccion-download__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(108, 99, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.leccion-download__icon svg {
    width: 20px;
    height: 20px;
}

.leccion-download__info {
    flex: 1;
}

.leccion-download__title {
    font-size: 0.85rem;
    font-weight: 600;
}

.leccion-download__desc {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.leccion-download__btn {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-primary);
    white-space: nowrap;
}

/* ===== GUÍA RELACIONADA ===== */
.leccion-guide {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(167, 139, 250, 0.06);
    border: 1px solid rgba(167, 139, 250, 0.15);
    border-radius: var(--card-radius);
    padding: 16px 20px;
    margin-bottom: 28px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.leccion-guide:hover {
    border-color: rgba(167, 139, 250, 0.3);
    transform: translateY(-1px);
    color: inherit;
}

.leccion-guide__icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.leccion-guide__info {
    flex: 1;
}

.leccion-guide__label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--fam-insight);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.leccion-guide__title {
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== SECCIÓN DE GUÍAS MÚLTIPLES ===== */
.leccion-guides-section {
    margin-bottom: 28px;
}

.leccion-guides-section h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.leccion-guides-section .leccion-guide {
    margin-bottom: 10px;
}

/* ===== BOTÓN COMPLETAR ===== */
.leccion-complete {
    text-align: center;
    padding: 20px 0;
}

.leccion-complete__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 100px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.08);
    color: #10B981;
    transition: all var(--transition-normal);
}

.leccion-complete__btn:hover {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
}

.leccion-complete__btn--done {
    background: var(--green);
    border-color: var(--green);
    color: white;
    pointer-events: none;
}

/* ===== NAVEGACIÓN INFERIOR ===== */
.leccion-footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    border-top: 1px solid var(--bg-glass-border);
    margin-top: 20px;
}

.leccion-footer-nav a {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.leccion-footer-nav a:hover {
    color: var(--accent-primary);
}

.leccion-footer-nav__label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.leccion-footer-nav__next {
    text-align: right;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .leccion-header {
        padding: 24px 16px 20px;
    }

    .leccion-header h1 {
        font-size: 1.5rem;
    }

    .leccion-content {
        padding: 0 16px 40px;
    }

    .leccion-tabs {
        border-radius: 12px;
    }

    .leccion-tabs__btn {
        padding: 8px 10px;
        font-size: 0.75rem;
    }

    .leccion-notas,
    .leccion-checklist {
        padding: 20px 16px;
    }

    .leccion-calc-link {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 16px;
    }

    .leccion-calc-link__arrow {
        display: none;
    }

    .leccion-nav {
        padding: 12px 16px;
    }

    .leccion-footer-nav {
        flex-direction: column;
        gap: 12px;
    }

    .leccion-footer-nav__next {
        text-align: left;
    }
}

/* ===== GATE DE ACCESO / LOGIN (OVERLAY CENTRADO) ===== */
.curso-gate {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.curso-gate__box {
    max-width: 400px;
    width: 100%;
    background: #1a1a2e;
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: 40px 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.curso-gate__icon {
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0.5;
}

.curso-gate__box h2 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.curso-gate__box>p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.5;
}

.curso-gate__btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.curso-gate__btn-google:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.curso-gate__divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.curso-gate__divider::before,
.curso-gate__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--bg-glass-border);
}

.curso-gate__form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.curso-gate__form input {
    width: 100%;
    padding: 11px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.curso-gate__form input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.curso-gate__form input::placeholder {
    color: var(--text-muted);
}

.curso-gate__footer {
    margin-top: 20px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.curso-gate__footer a {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Botón usuario en nav */
.curso-user__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: white;
}

.curso-user__name {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.curso-user__login {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-primary);
    cursor: pointer;
}

@media (max-width: 640px) {
    .curso-gate__box {
        padding: 28px 20px;
    }
}

/* ===== FEEDBACK ENTRE LECCIONES ===== */
.leccion-feedback {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    margin-top: 28px;
    text-align: center;
}

.leccion-feedback h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.leccion-feedback>p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* Estrellas */
.leccion-feedback__stars {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.leccion-feedback__star {
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.15);
    transition: color 0.15s, transform 0.15s;
}

.leccion-feedback__star:hover,
.leccion-feedback__star.active {
    color: #FBBF24;
    transform: scale(1.15);
}

.leccion-feedback__star svg {
    width: 100%;
    height: 100%;
}

/* Textarea */
.leccion-feedback__text {
    width: 100%;
    min-height: 80px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    resize: vertical;
    margin-bottom: 14px;
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.leccion-feedback__text:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.leccion-feedback__text::placeholder {
    color: var(--text-muted);
}

/* Botón enviar */
.leccion-feedback__submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    background: var(--accent-gradient);
    color: white;
    transition: all var(--transition-normal);
}

.leccion-feedback__submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 99, 255, 0.25);
}

.leccion-feedback__submit:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Estado enviado */
.leccion-feedback--done {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.06);
}

.leccion-feedback--done h3 {
    color: #10B981;
}

.leccion-feedback__done-msg {
    display: none;
    font-size: 0.88rem;
    color: #10B981;
    font-weight: 600;
    margin-top: 8px;
}

.leccion-feedback--done .leccion-feedback__done-msg {
    display: block;
}

.leccion-feedback--done .leccion-feedback__stars,
.leccion-feedback--done .leccion-feedback__text,
.leccion-feedback--done .leccion-feedback__submit,
.leccion-feedback--done>p {
    display: none;
}

/* Nav siguiente bloqueada */
.leccion-footer-nav__next--locked {
    opacity: 0.3;
    pointer-events: none;
    position: relative;
}

.leccion-footer-nav__next--locked::after {
    content: '🔒';
    margin-left: 6px;
    font-size: 0.75rem;
}

@media (max-width: 640px) {
    .leccion-feedback {
        padding: 20px 16px;
    }

    .leccion-feedback__star {
        width: 32px;
        height: 32px;
    }
}