:root {
    --nt-page-bg: #F9F8FF;
    --nt-header: #534AB7;
    --nt-footer: #26215C;
    --nt-primary: #534AB7;
    --nt-primary-dark: #443c9f;
    --nt-success: #1D9E75;
    --nt-warning: #F2B84B;
    --nt-danger: #C93A4A;
    --nt-coral: #FF6B5F;
    --nt-card: #ffffff;
    --nt-border: #E7E5F0;
    --nt-text: #242333;
    --nt-muted: #6C687E;
    --nt-white: #ffffff;
    --nt-black: #242333;
    --nt-red: var(--nt-primary);
}

/* Base */
html,
body {
    background-color: var(--nt-page-bg);
    color: var(--nt-text);
}

/* Links */
a {
    color: var(--nt-primary);
    text-decoration: none;
}

a:hover,
a:focus {
    color: var(--nt-primary-dark);
    text-decoration: none;
}

/* Header / Navbar */
.nt-header {
    background-color: var(--nt-header);
}

.logo {
    max-height: 40px;
    height: 40px;
    width: auto;
}

/* Footer */
.nt-footer {
    background-color: var(--nt-footer);
}

/* Botones */
.btn-nt-red {
    background-color: var(--nt-primary);
    color: var(--nt-white);
    border-color: var(--nt-primary);
}

.btn-nt-red:hover,
.btn-nt-red:focus {
    background-color: var(--nt-primary-dark);
    color: var(--nt-white);
    border-color: var(--nt-primary-dark);
}

.btn-nt-outline-red {
    background-color: var(--nt-card);
    color: var(--nt-primary);
    border: 1px solid var(--nt-primary);
}

.btn-nt-outline-red:hover,
.btn-nt-outline-red:focus {
    background-color: var(--nt-primary);
    color: var(--nt-white);
}

.btn-primary {
    background-color: var(--nt-primary);
    border-color: var(--nt-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--nt-primary-dark);
    border-color: var(--nt-primary-dark);
}

.btn-secondary,
.btn-outline-secondary {
    background-color: var(--nt-card);
    color: var(--nt-primary);
    border-color: var(--nt-primary);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background-color: #F1EFFF;
    color: var(--nt-primary-dark);
    border-color: var(--nt-primary-dark);
}

.btn-success {
    background-color: var(--nt-success);
    border-color: var(--nt-success);
}

.btn-danger {
    background-color: var(--nt-danger);
    border-color: var(--nt-danger);
}

.btn-outline-light {
    background-color: var(--nt-card);
    color: var(--nt-primary);
    border-color: var(--nt-primary);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    background-color: #F1EFFF;
    color: var(--nt-primary-dark);
    border-color: var(--nt-primary-dark);
}

/* Bordes y textos utilitarios */
.text-nt-red {
    color: var(--nt-primary) !important;
}

.bg-nt-red {
    background-color: var(--nt-primary) !important;
}

.border-nt-red {
    border-color: var(--nt-primary) !important;
}

/* Tarjetas */
.card {
    background-color: var(--nt-card);
    color: var(--nt-text);
    border: 1px solid var(--nt-border);
}

.card .card-title {
    color: var(--nt-text);
}

.card .card-subtitle,
.card .card-text {
    color: var(--nt-muted);
}

/* Resultados de busqueda dentro de las tarjetas de cursos */
.search-matches {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(83, 74, 183, 0.22);
}

.search-matches .match-title {
    color: var(--nt-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.search-matches .module-item {
    background-color: #F8F7FF;
    border: 1px solid var(--nt-border);
    border-left: 3px solid var(--nt-primary);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    padding: 0.65rem;
}

.search-matches .module-title {
    color: var(--nt-text);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.search-matches .lesson-item {
    align-items: flex-start;
    border-left: 2px solid rgba(83, 74, 183, 0.28);
    color: var(--nt-muted);
    display: flex;
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
    padding: 0.25rem 0 0.25rem 1.5rem;
    position: relative;
}

.search-matches .lesson-item::before {
    content: '\f15c';
    color: var(--nt-primary);
    font-family: "Font Awesome 5 Free";
    font-size: 0.7rem;
    font-weight: 900;
    left: 0.3rem;
    position: absolute;
    top: 0.35rem;
}

.search-matches .lesson-item a {
    color: var(--nt-text);
    transition: color 0.2s ease;
}

.search-matches .lesson-item a:hover {
    color: var(--nt-primary-dark) !important;
    text-decoration: underline !important;
}

.search-matches .search-context {
    color: var(--nt-muted);
    font-size: 0.7rem;
    line-height: 1.4;
    padding: 0.2rem 0 0 1.5rem;
}

.search-matches .search-context mark {
    background-color: rgba(83, 74, 183, 0.18);
    border-radius: 2px;
    color: var(--nt-text);
    padding: 0 2px;
}

/* Formularios */
.form-control,
.form-select {
    background-color: var(--nt-card);
    color: var(--nt-text);
    border: 1px solid var(--nt-border);
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(83, 74, 183, 0.18);
    border-color: var(--nt-primary);
}

/* Helper text needs contrast on the dark theme */
.form-text {
    color: var(--nt-muted);
}

/* Tablas */
.table {
    color: var(--nt-text);
    background-color: var(--nt-card);
}

.table thead th {
    border-bottom: 2px solid var(--nt-primary);
}

.table,
.table td,
.table th {
    border-color: var(--nt-border);
}

/* Enlaces con subrayado rojo al pasar */
.link-underline:hover {
    box-shadow: inset 0 -2px 0 0 var(--nt-primary);
}

/* Ajuste de espacio por header fijo */
main {
    min-height: 60vh;
}

/* Tarjetas con hover */
.hover-card {
    transition: all 0.3s ease;
    border-width: 1px;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(38, 33, 92, 0.12);
    border-color: var(--nt-primary);
    border-width: 2px;
}

/* Paginación estilo Netflix */
.pagination {
    margin-top: 2rem;
}

.pagination .page-item .page-link {
    background-color: var(--nt-card);
    color: var(--nt-primary);
    border-color: var(--nt-border);
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.pagination .page-item.active .page-link {
    background-color: var(--nt-primary);
    border-color: var(--nt-primary);
    color: var(--nt-white);
}

.pagination .page-item .page-link:hover,
.pagination .page-item .page-link:focus {
    background-color: var(--nt-primary);
    border-color: var(--nt-primary);
    color: var(--nt-white);
    box-shadow: 0 0 0 0.25rem rgba(83, 74, 183, 0.18);
}

.pagination .page-item.disabled .page-link {
    background-color: #F2F0FA;
    color: var(--nt-muted);
    border-color: var(--nt-border);
}

.bg-black {
    background-color: var(--nt-page-bg) !important;
}

.bg-dark,
.card.bg-dark,
.form-control.bg-dark,
.form-select.bg-dark {
    background-color: var(--nt-card) !important;
    color: var(--nt-text) !important;
}

.border-secondary {
    border-color: var(--nt-border) !important;
}

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

.nt-header .text-white,
.nt-header .nav-link,
.nt-footer .text-white,
.nt-footer .text-white-50,
.footer .text-white-50,
.topbar .text-white,
.sidebar .text-white {
    color: var(--nt-white) !important;
}

.bg-dark .text-white,
.card.bg-dark .text-white,
.card.bg-dark.text-white {
    color: var(--nt-text) !important;
}

.text-white-50 {
    color: var(--nt-muted) !important;
}

.border-danger {
    border-color: rgba(255, 255, 255, 0.22) !important;
}

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

.bg-danger {
    background-color: var(--nt-danger) !important;
}

.bg-primary {
    background-color: var(--nt-primary) !important;
}

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

.alert-success {
    color: #0E5F46;
    background-color: #E8F7F2;
    border-color: #BEE8DC;
}

.alert-danger {
    color: #8E1F2F;
    background-color: #FFEDEE;
    border-color: #FFC9CE;
}

.alert-warning {
    color: #6B4A00;
    background-color: #FFF6DF;
    border-color: #FFE3A3;
}

.alert-info {
    color: #342C86;
    background-color: #EFEDFF;
    border-color: #D8D4FF;
}