/**
 * Sistema de temas claro/oscuro con CSS variables
 * Persistencia mediante localStorage
 */

:root {
    /* Tema Claro (basado en DB) */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1f2933;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);

    /* Colores de marca (solo 3 colores) */
    --primary: #1f3b74;
    --primary-hover: #162a4f;
    --accent-color: #1f3b74;
    --secondary: #6c757d;
    --secondary-hover: #5a6268;
    --success: #1b7b4d;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;

    /* Fondos sutiles para alerts y badges */
    --bg-success-subtle: #d1f0e3;
    --bg-danger-subtle: #f8d7da;
    --bg-warning-subtle: #fff3cd;
    --bg-info-subtle: #d1ecf1;

    /* Componentes específicos */
    --navbar-bg: var(--primary);
    --navbar-text: #ffffff;
    --card-bg: var(--bg-primary);
    --input-bg: var(--bg-primary);
    --input-border: var(--border-color);
    --tab-active-bg: var(--primary);
    --tab-active-text: #ffffff;
    --tab-inactive-bg: var(--bg-secondary);
    --tab-inactive-text: var(--text-secondary);
}

:root[data-bs-theme="dark"] {
    /* Tema Oscuro (simplificado) */
    --bg-primary: #0f172a;
    --bg-secondary: #15213b;
    --bg-tertiary: #1f2d4a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #23385d;
    --shadow: rgba(8, 15, 32, 0.6);
    --shadow-hover: rgba(15, 23, 42, 0.75);

    /* Colores ajustados para tema oscuro manteniendo la marca */
    --primary: #3c5f9c;
    --primary-hover: #2f4c85;
    --accent-color: #3c5f9c;
    --secondary: #6c757d;
    --secondary-hover: #5a6268;
    --success: #1b7b4d;
    --danger: #f87171;
    --warning: #ffc107;
    --info: #17a2b8;

    /* Fondos sutiles para alerts y badges en oscuro */
    --bg-success-subtle: rgba(27, 123, 77, 0.2);
    --bg-danger-subtle: rgba(248, 113, 113, 0.2);
    --bg-warning-subtle: rgba(255, 193, 7, 0.2);
    --bg-info-subtle: rgba(23, 162, 184, 0.2);

    --navbar-bg: rgba(15, 23, 42, 0.95);
    --navbar-text: #e2e8f0;
    --card-bg: var(--bg-secondary);
    --input-bg: var(--bg-tertiary);
    --input-border: var(--border-color);
    --tab-active-bg: rgba(60, 95, 156, 0.35);
    --tab-active-text: var(--text-primary);
    --tab-inactive-bg: rgba(255, 255, 255, 0.05);
    --tab-inactive-text: var(--text-secondary);
}

/* Aplicar variables */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    background-color: var(--navbar-bg);
    color: var(--navbar-text);
}

.card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    box-shadow: 0 2px 4px var(--shadow);
}

.card:hover {
    box-shadow: 0 4px 8px var(--shadow-hover);
}

input, textarea, select {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--input-border);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(31, 59, 116, 0.25);
}

[data-bs-theme="dark"] input:focus,
[data-bs-theme="dark"] textarea:focus,
[data-bs-theme="dark"] select:focus {
    box-shadow: 0 0 0 2px rgba(60, 95, 156, 0.35);
}

[data-bs-theme="dark"] .text-muted,
[data-bs-theme="dark"] .text-secondary {
    color: var(--text-secondary) !important;
}

/* Botón de toggle de tema */
#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.5rem;
    color: var(--navbar-text);
    transition: transform 0.3s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

#theme-toggle:focus {
    outline: 2px solid var(--navbar-text);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Tabs con soporte de temas */
.tabs {
    border-bottom: 2px solid var(--border-color);
}

.tab {
    background-color: var(--tab-inactive-bg);
    color: var(--tab-inactive-text);
    border: 1px solid var(--border-color);
}

.tab.active {
    background-color: var(--tab-active-bg);
    color: var(--tab-active-text);
    border-bottom-color: var(--tab-active-bg);
}

/* Alertas - usar colores de Bootstrap por defecto */
/* Solo ajustes para tema oscuro */
[data-bs-theme="dark"] .alert-info {
    background-color: #055160;
    border-color: #087990;
    color: #cff4fc;
}

[data-bs-theme="dark"] .alert-warning {
    background-color: #664d03;
    border-color: #997404;
    color: #ffecb5;
}

/* Botones */
.btn {
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

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

.btn-secondary {
    background-color: var(--secondary);
    color: white;
    border-color: var(--secondary);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
    color: white;
}

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

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

.btn-info {
    background-color: var(--info);
    color: white;
}

.btn-warning {
    background-color: var(--warning);
    color: var(--text-primary);
}

/* Botones outline */
.btn-outline-primary {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-outline-secondary {
    background-color: transparent;
    border: 1px solid var(--secondary);
    color: var(--secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: white;
}

.btn-outline-danger {
    background-color: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
}

.btn-outline-danger:hover {
    background-color: var(--danger);
    border-color: var(--danger);
    color: white;
}

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

a:hover {
    text-decoration: underline;
}

/* Tablas */
table {
    background-color: var(--card-bg);
    border-collapse: collapse;
    width: 100%;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    text-align: left;
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

tr:hover {
    background-color: var(--bg-tertiary);
}

/* Código */
code, pre {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

pre {
    padding: 1rem;
    overflow-x: auto;
}

/* Accesibilidad: Reducir movimiento si es preferencia del usuario */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Impresión: Siempre usar tema claro */
@media print {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f8f9fa;
        --text-primary: #212529;
        --text-secondary: #6c757d;
        --border-color: #dee2e6;
    }

    #theme-toggle,
    .navbar,
    .footer {
        display: none;
    }
}