/* ============================================================
   SISTEMA DE TEMAS – SLEPT
   Soporta data-bs-theme="light" y data-bs-theme="dark"
   Compatible con Bootstrap 5.3
   ============================================================ */

/* ── Modo Claro (por defecto) ─────────────────────────────── */
:root,
[data-bs-theme="light"] {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --bg-surface: #f8f9fa;
    --bg-card: #ffffff;
    --bg-navbar: var(--primary-color);
    --text-primary: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.075);
    --role-card-bg: #ffffff;
    --role-card-hover-bg: #f8f9fa;
    --login-form-bg: #ffffff;
    --footer-bg: #ffffff;
    --toggle-icon: '\F497'; /* bi-moon-stars */
    --toggle-title: 'Cambiar a Modo Oscuro';
}

/* ── Modo Oscuro ──────────────────────────────────────────── */
[data-bs-theme="dark"] {
    --primary-color: #4d9bff;
    --secondary-color: #adb5bd;
    --bg-surface: #121212;
    --bg-card: #1e1e2e;
    --bg-navbar: #0f0f1a;
    --text-primary: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #2d2d3d;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --role-card-bg: #1e1e2e;
    --role-card-hover-bg: #2a2a3e;
    --login-form-bg: #1e1e2e;
    --footer-bg: #0f0f1a;
    --toggle-icon: '\F5A2'; /* bi-sun */
    --toggle-title: 'Cambiar a Modo Claro';
}

body {
    background-color: var(--bg-surface);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.35s ease, color 0.35s ease;
}

.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem var(--shadow-color);
    background-color: var(--bg-card);
    transition: background-color 0.35s ease, box-shadow 0.35s ease;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.auth-lock-screen {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-bs-theme="dark"] .auth-lock-screen {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

/* ── Transiciones suaves para todos los elementos temáticos ── */
.navbar, .card, .modal-content, .list-group-item,
.form-control, .form-select, .input-group-text,
.table, .dropdown-menu, footer, .alert {
    transition: background-color 0.35s ease,
                color 0.35s ease,
                border-color 0.35s ease;
}

/* ── Toggle de Tema en Navbar ─────────────────────────────── */
#theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.4);
    background: transparent;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    padding: 0;
}

#theme-toggle-btn:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.7);
    transform: rotate(20deg) scale(1.1);
}

/* ── Modo oscuro: ajustes de componentes Bootstrap ─────────── */
[data-bs-theme="dark"] .list-group-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-bs-theme="dark"] .card-header {
    background-color: #252538 !important;
    border-bottom-color: var(--border-color);
}

[data-bs-theme="dark"] .card-footer {
    background-color: #252538 !important;
    border-top-color: var(--border-color);
}

[data-bs-theme="dark"] .bg-light {
    background-color: #1e1e2e !important;
}

[data-bs-theme="dark"] .bg-white {
    background-color: #1e1e2e !important;
}

[data-bs-theme="dark"] .text-dark {
    color: #e2e8f0 !important;
}

[data-bs-theme="dark"] .border-top {
    border-color: var(--border-color) !important;
}

[data-bs-theme="dark"] footer.bg-white {
    background-color: #0f0f1a !important;
}

/* Animación de entrada del toggle */
@keyframes spinOnce {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.theme-spin {
    animation: spinOnce 0.4s ease;
}