/* ============================================
   MODO DUAL - CLARO/OSCURO
   Sistema de temas con toggle profesional
   ============================================ */

/* === VARIABLES MODO CLARO (Por Defecto) === */
:root {
    /* Fondos Claros */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-hover: #e2e8f0;

    /* Textos Claros */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* Colores de Marca (Mantener) */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;

    --secondary: #d97706;
    --secondary-dark: #b45309;

    /* Estados */
    --danger: #dc2626;
    --danger-dark: #991b1b;
    --warning: #d97706;
    --info: #0284c7;
    --success: #059669;

    /* Bordes y Sombras */
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Diseño */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* === VARIABLES MODO OSCURO === */
[data-theme="dark"] {
    /* Fondos Oscuros */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #475569;

    /* Textos Oscuros */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Bordes y Sombras */
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* === TRANSICIÓN SUAVE ENTRE MODOS === */
/* Solo aplicar transición a elementos interactivos, no al body/html */
.navbar,
.card,
.btn,
.form-control,
.modal-content,
.stat-card,
.chart-card,
a,
.theme-toggle,
.nav-link,
.user-button,
.dropdown-menu {
    transition: background-color 0.3s ease,
        color 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

/* === TOGGLE SWITCH PROFESIONAL === */
.theme-toggle {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
}

.theme-toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.theme-toggle-switch::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

[data-theme="dark"] .theme-toggle-switch::before {
    transform: translateX(24px);
}

.theme-toggle-icon {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* === AJUSTES ESPECÍFICOS POR MODO === */

/* Navbar - Modo Claro */
.navbar {
    background: #2d3748 !important;
    border-bottom: 1px solid #4a5568 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
}

/* Navbar - Modo Oscuro */
[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Links del Navbar - Modo Claro */
.navbar-menu a,
.nav-link {
    color: #e2e8f0 !important;
}

.navbar-menu a:hover,
.nav-link:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.1) !important;
}

.navbar-menu a.active,
.nav-link.active {
    color: #60a5fa !important;
    background: rgba(59, 130, 246, 0.3) !important;
}

/* Links del Navbar - Modo Oscuro */
[data-theme="dark"] .navbar-menu a,
[data-theme="dark"] .nav-link {
    color: #cbd5e1 !important;
}

[data-theme="dark"] .navbar-menu a:hover,
[data-theme="dark"] .nav-link:hover {
    color: #f8fafc !important;
    background: #334155 !important;
}

[data-theme="dark"] .navbar-menu a.active,
[data-theme="dark"] .nav-link.active {
    color: #f8fafc !important;
    background: #475569 !important;
}

/* Logo - Modo Claro */
.brand-text {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* User Dropdown - Modo Claro */
.user-button {
    color: #e2e8f0 !important;
    background: transparent !important;
}

.user-button:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .user-button {
    color: #cbd5e1 !important;
}

[data-theme="dark"] .user-button:hover {
    background: #334155 !important;
}

/* Dropdown Menu */
.dropdown-menu {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-secondary) !important;
}

.dropdown-item:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .card {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Inputs */
.form-control {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--secondary);
    background: var(--bg-primary);
}

/* Tablas */
.table {
    background: var(--bg-primary);
}

.table thead {
    background: var(--bg-tertiary);
}

.table tbody tr:hover {
    background: var(--bg-hover);
}

/* Modales */
.modal {
    background: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .modal {
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

/* Botones */
.btn {
    transition: all 0.3s ease;
}

/* Stats Cards */
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .stat-card {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Chart Cards */
.chart-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .chart-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Breadcrumbs */
.breadcrumb {
    background: transparent;
}

.breadcrumb-item a {
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

/* Badges */
.badge {
    border: 1px solid var(--border-color);
}

/* Scrollbar (solo modo oscuro) */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
}

/* Modo Claro - Scrollbar más sutil */
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === OPTIMIZACIONES DE CONTRASTE === */

/* Modo Claro - Asegurar legibilidad */
:root {
    --link-color: #1e40af;
    --link-hover: #1e3a8a;
}

[data-theme="dark"] {
    --link-color: #60a5fa;
    --link-hover: #93c5fd;
}

a {
    color: var(--link-color);
}

a:hover {
    color: var(--link-hover);
}

/* === ICONOS DE TEMA === */
.theme-icon-sun {
    display: none;
}

.theme-icon-moon {
    display: inline;
}

[data-theme="dark"] .theme-icon-sun {
    display: inline;
}

[data-theme="dark"] .theme-icon-moon {
    display: none;
}