/* ========================================
   preguntascnp - Estilo personalizado
   ======================================== */

/* --- Variables de tema --- */
:root {
    --quiz-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --quiz-border-radius: 16px;
    --transition-speed: 0.2s;
    --bs-primary: #053563;
    --bs-primary-rgb: 5, 53, 99;
    --bs-primary-bg-subtle: #e6edf5;
    --bs-primary-text-emphasis: #032545;
    --bs-link-color: #053563;
    --bs-link-color-rgb: 5, 53, 99;
    --bs-info: #053563;
    --bs-info-rgb: 5, 53, 99;
    --bs-info-bg-subtle: #e6edf5;
    --bs-info-text-emphasis: #032545;
}

/* --- Tipografía --- */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* --- Cards de temas (index) --- */
.topic-card {
    border-radius: var(--quiz-border-radius);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.topic-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12) !important;
}

.topic-card .card-title {
    font-size: 0.95rem;
    line-height: 1.3;
}

/* --- Opciones de pregunta (quiz) --- */
.opcion {
    border-radius: 12px;
    transition: all var(--transition-speed);
    cursor: pointer;
    border-width: 2px;
}

.opcion:hover:not(.btn-success):not(.btn-danger) {
    border-color: var(--bs-primary) !important;
    background-color: var(--bs-primary-bg-subtle) !important;
    color: var(--bs-body-color) !important;
    font-weight: 700;
    transform: scale(1.02);
}

.opcion.active {
    border-color: var(--bs-primary) !important;
    background-color: var(--bs-primary-bg-subtle) !important;
    color: var(--bs-body-color) !important;
    font-weight: 700;
}

.opcion.correcta-glow {
    animation: glowPulse 0.6s ease-in-out;
}

@keyframes glowPulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--bs-success-rgb), 0.5); }
    50% { box-shadow: 0 0 20px 5px rgba(var(--bs-success-rgb), 0.3); }
    100% { box-shadow: 0 0 0 0 rgba(var(--bs-success-rgb), 0); }
}

/* --- Stats de sesión (tema.php) --- */
.stats-sesion .badge {
    font-size: 0.9rem;
    min-width: 80px;
}

/* --- Barra de progreso --- */
.progress {
    border-radius: 10px;
    background-color: var(--bs-progress-bg);
}

/* --- Cards generales --- */
.card {
    border-radius: var(--quiz-border-radius);
    transition: box-shadow var(--transition-speed);
}

/* --- Lista de temas en perfil --- */
.list-group-item {
    border-left: 4px solid transparent;
    transition: border-color var(--transition-speed);
}

.list-group-item:hover {
    border-left-color: var(--bs-primary);
}

/* --- Botones --- */
.btn {
    border-radius: 10px;
    transition: all var(--transition-speed);
}

.btn-sm {
    border-radius: 8px;
}

/* Forzar btn-primary a #053563 (Bootstrap hardcodea los valores, las vars :root no cascaden) */
.btn-primary {
    --bs-btn-bg: #053563;
    --bs-btn-border-color: #053563;
    --bs-btn-hover-bg: #042a50;
    --bs-btn-hover-border-color: #042a50;
    --bs-btn-focus-shadow-rgb: 5, 53, 99;
    --bs-btn-active-bg: #032040;
    --bs-btn-active-border-color: #032040;
    --bs-btn-disabled-bg: #053563;
    --bs-btn-disabled-border-color: #053563;
}

/* Forzar btn-outline-primary a #053563 */
.btn-outline-primary {
    --bs-btn-color: #053563;
    --bs-btn-border-color: #053563;
    --bs-btn-hover-bg: #053563;
    --bs-btn-hover-border-color: #053563;
    --bs-btn-active-bg: #042a50;
    --bs-btn-active-border-color: #042a50;
    --bs-btn-disabled-color: #053563;
    --bs-btn-disabled-border-color: #053563;
}

/* Forzar btn-info a #053563 (mapeado tb en :root) */
.btn-info {
    --bs-btn-bg: #053563;
    --bs-btn-border-color: #053563;
    --bs-btn-hover-bg: #042a50;
    --bs-btn-hover-border-color: #042a50;
    --bs-btn-focus-shadow-rgb: 5, 53, 99;
    --bs-btn-active-bg: #032040;
    --bs-btn-active-border-color: #032040;
    --bs-btn-disabled-bg: #053563;
    --bs-btn-disabled-border-color: #053563;
}
.btn-info {
    color: #fff;
}
.btn-info:hover {
    color: #fff;
}

/* Corregir color de texto en btn-primary hover/active/disabled por si hay conflicto */
.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus-visible,
.btn-check:checked + .btn-primary {
    color: #fff !important;
}

/* --- Caja de dificultad --- */
.dificultad-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    padding: 6px 14px;
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
}
.dificultad-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
    font-weight: 600;
}
.dificultad-valor {
    font-size: 1.25rem;
}
.diff-verde {
    background-color: #198754;
}
.diff-naranja {
    background-color: #fd7e14;
}
.diff-rojo {
    background-color: #dc3545;
}

/* --- Checkboxes de temas (simulacro) --- */
.tema-check-label:hover {
    background-color: var(--bs-primary-bg-subtle);
}
.area-header {
    color: var(--bs-primary);
    cursor: pointer;
    transition: background-color 0.15s;
}
.area-header:hover {
    background-color: rgba(5, 53, 99, 0.08);
}

/* --- Navbar: sección de usuario --- */
.user-nav-section {
    padding: 0.5rem 0;
}
@media (min-width: 992px) {
    .user-nav-section {
        padding: 0;
        border-left: 1px solid rgba(255,255,255,0.25);
        padding-left: 1rem;
    }
}

/* --- Navbar --- */
.navbar {
    border-bottom: none;
    background-image: linear-gradient(rgba(5, 53, 99, 0.85), rgba(5, 53, 99, 0.85)), url('../../img/header.png');
    background-size: cover;
    background-position: center;
}

.navbar-brand {
    font-size: 1.2rem;
    letter-spacing: -0.3px;
}

/* Navbar links en blanco puro para todos los usuarios */
.navbar-dark .navbar-nav .nav-link {
    color: #fff;
}
.navbar-dark .navbar-nav .nav-link:hover {
    color: rgba(255,255,255,0.85);
}

/* --- Alertas de feedback --- */
.alert {
    border-radius: 12px;
    border: none;
}

.alert .bg-body-tertiary {
    border-radius: 8px;
}

/* --- Badges --- */
.badge {
    font-weight: 500;
    border-radius: 8px;
}

/* --- Tabla admin --- */
.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Responsive --- */
@media (max-width: 576px) {
    .stats-sesion .badge {
        font-size: 0.8rem;
        min-width: 60px;
        padding: 0.4rem 0.6rem;
    }

    .topic-card .card-title {
        font-size: 0.85rem;
    }
}

/* --- Scrollbar sutil --- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--bs-border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--bs-secondary-color);
}