/**
 * Ordentia Sales Operations
 * Estilos principales - Sistema de temas (Dark/Light)
 * 
 * Sistema de diseño elegante y moderno:
 * - Soporte para tema oscuro y claro
 * - Cards con fondo semi-transparente
 * - Sombras pronunciadas
 * - Estilo profesional/elegante
 */

/* ============================================
   CSS Variables - Tema Oscuro (default)
   ============================================ */
:root, [data-theme="dark"] {
    /* Colores del tema oscuro */
    --color-bg-dark: #141829;
    --color-bg-main: #1a1f35;
    --color-bg-card: #252b43;
    --color-bg-card-hover: #2d3450;
    --color-bg-hover: rgba(255, 255, 255, 0.06);
    --color-bg-subtle: rgba(255, 255, 255, 0.03);
    --color-border-dark: #3a4158;
    --color-border-light: #454d6a;
    
    /* Texto */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;
    
    /* Acentos */
    --color-accent-blue: #4299e1;
    --color-accent-green: #48bb78;
    --color-accent-red: #fc5c65;
    --color-accent-orange: #ed8936;
    --color-accent-purple: #9f7aea;
    --color-accent-cyan: #38b2ac;
    
    /* Input backgrounds */
    --color-input-bg: var(--color-bg-card);
    --color-input-border: var(--color-border-dark);
    
    /* Modal overlay */
    --color-overlay: rgba(0, 0, 0, 0.6);
    
    /* Shadows for dark theme */
    --shadow-color: rgba(0, 0, 0, 0.4);
    
    /* Grays temáticos (cambian según tema) */
    --color-gray-theme-50: #1e2338;
    --color-gray-theme-100: #252b43;
    --color-gray-theme-200: #2d3450;
    --color-gray-theme-text: #ffffff;
}

/* ============================================
   CSS Variables - Tema Claro
   ============================================ */
[data-theme="light"] {
    /* Colores del tema claro */
    --color-bg-dark: #e2e8f0;
    --color-bg-main: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f8fafc;
    --color-bg-hover: rgba(0, 0, 0, 0.06);
    --color-bg-subtle: rgba(0, 0, 0, 0.03);
    --color-border-dark: #e2e8f0;
    --color-border-light: #cbd5e1;
    
    /* Texto */
    --color-text-primary: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    
    /* Acentos - ligeramente más saturados para tema claro */
    --color-accent-blue: #3b82f6;
    --color-accent-green: #22c55e;
    --color-accent-red: #ef4444;
    --color-accent-orange: #f97316;
    --color-accent-purple: #8b5cf6;
    --color-accent-cyan: #14b8a6;
    
    /* Input backgrounds */
    --color-input-bg: #ffffff;
    --color-input-border: #d1d5db;
    
    /* Modal overlay */
    --color-overlay: rgba(0, 0, 0, 0.4);
    
    /* Shadows for light theme */
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Grays temáticos (cambian según tema) */
    --color-gray-theme-50: #F8FAFC;
    --color-gray-theme-100: #F1F5F9;
    --color-gray-theme-200: #E2E8F0;
    --color-gray-theme-text: #1e293b;
}

/* ============================================
   Variables comunes (no cambian por tema)
   ============================================ */
:root {
    /* Colores principales legacy (para compatibilidad) */
    --color-white: #FFFFFF;
    --color-gray-25: #FCFCFD;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Azul - Color estructural */
    --color-blue-50: #EFF6FF;
    --color-blue-100: #DBEAFE;
    --color-blue-500: #3B82F6;
    --color-blue-600: #2563EB;
    --color-blue-700: #1D4ED8;
    --color-blue-800: #1E40AF;
    --color-blue-900: #1E3A8A;

    /* Rojo - Color de acción */
    --color-red-50: #FEF2F2;
    --color-red-500: #EF4444;
    --color-red-600: #DC2626;
    --color-red-700: #B91C1C;

    /* Verde - Estados positivos */
    --color-green-50: #F0FDF4;
    --color-green-500: #22C55E;
    --color-green-600: #16A34A;

    /* Colores semánticos - actualizados para tema oscuro */
    --color-primary: var(--color-accent-blue);
    --color-primary-dark: #3182ce;
    --color-action: var(--color-accent-red);
    --color-action-hover: #e53e3e;
    --color-background: var(--color-bg-main);
    --color-background-subtle: var(--color-bg-dark);
    --color-surface: var(--color-bg-card);
    --color-text: var(--color-text-primary);
    --color-text-muted: var(--color-text-secondary);
    --color-border: var(--color-border-dark);
    --color-border-light: var(--color-border-light);

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Espaciado - más generoso para aire */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;

    /* Bordes */
    --border-radius-sm: 4px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Sistema de sombras - más pronunciadas para tema oscuro */
    --shadow-xs: 0 2px 4px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px 0 rgba(0, 0, 0, 0.35);
    --shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 20px -4px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 12px 28px -6px rgba(0, 0, 0, 0.5);
    --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --shadow-glow-blue: 0 0 20px rgba(66, 153, 225, 0.3);
    --shadow-glow-green: 0 0 20px rgba(72, 187, 120, 0.3);
    --shadow-glow-red: 0 0 20px rgba(252, 92, 101, 0.3);

    /* Transiciones - sutiles y rápidas */
    --transition-fast: 120ms ease-out;
    --transition-base: 160ms ease-out;
    --transition-slow: 200ms ease-out;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --navbar-height: 60px;
}

/* ============================================
   Reset y Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-bg-main) 0%, var(--color-bg-dark) 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* ============================================
   Tipografía
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ============================================
   Componentes - Cards (con sombras suaves)
   ============================================ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border-dark);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ============================================
   Componentes - Botones (3 tipos: primario, secundario, texto)
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Botón primario - Rojo (acción principal) */
.btn-primary {
    background-color: var(--color-accent-red);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background-color: #e53e3e;
    box-shadow: var(--shadow-md), var(--shadow-glow-red);
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Botón secundario */
.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-dark);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active:not(:disabled) {
    background-color: var(--color-bg-card);
    box-shadow: none;
}

/* Botón success (verde) */
.btn-success {
    background-color: var(--color-accent-green);
    color: var(--color-white);
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
    background-color: #38a169;
    box-shadow: var(--shadow-md);
}

.btn-success:active:not(:disabled) {
    background-color: #2f855a;
    box-shadow: none;
}

/* Botón texto (outline) */
.btn-outline {
    background-color: transparent;
    color: var(--color-accent-blue);
    border: 1px solid var(--color-accent-blue);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-blue-50);
}

/* Botón peligro (eliminar) */
.btn-danger {
    background-color: var(--color-red-500);
    color: var(--color-white);
    box-shadow: var(--shadow-xs);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-red-600);
    box-shadow: var(--shadow-sm);
}

.btn-outline:active:not(:disabled) {
    background-color: rgba(66, 153, 225, 0.1);
}

/* Botón texto puro */
.btn-text {
    background-color: transparent;
    color: var(--color-text-secondary);
    padding: var(--spacing-2) var(--spacing-3);
}

.btn-text:hover:not(:disabled) {
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Tamaños de botón */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Componentes - Formularios
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-border-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2), var(--shadow-glow-blue);
    background-color: var(--color-bg-card-hover);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input.error {
    border-color: var(--color-accent-red);
}

.form-error {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-accent-red);
}

.form-hint {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Checkbox y Radio */
.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"],
.form-checkbox input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.form-checkbox span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

/* ============================================
   Componentes - Alertas
   ============================================ */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-4);
}

.alert-error {
    background-color: rgba(252, 92, 101, 0.15);
    color: var(--color-accent-red);
    border: 1px solid rgba(252, 92, 101, 0.3);
}

.alert-success {
    background-color: rgba(72, 187, 120, 0.15);
    color: var(--color-accent-green);
    border: 1px solid rgba(72, 187, 120, 0.3);
}

.alert-info {
    background-color: rgba(66, 153, 225, 0.15);
    color: var(--color-accent-blue);
    border: 1px solid rgba(66, 153, 225, 0.3);
}

/* ============================================
   Componentes - Badge
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

.badge-success {
    background-color: rgba(72, 187, 120, 0.2);
    color: var(--color-accent-green);
}

.badge-error {
    background-color: rgba(252, 92, 101, 0.2);
    color: var(--color-accent-red);
}

.badge-gray {
    background-color: rgba(160, 174, 192, 0.2);
    color: var(--color-text-secondary);
}

/* ============================================
   FAB - Floating Action Button
   ============================================ */
.fab {
    position: fixed;
    bottom: calc(var(--navbar-height) + var(--spacing-6) + env(safe-area-inset-bottom, 0));
    right: var(--spacing-4);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent-red);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    z-index: 99;
    transition: all var(--transition-fast);
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.5);
}

.fab:active {
    transform: scale(0.95);
}

.fab svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Layout - Login
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-bg-main) 0%, var(--color-bg-dark) 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-8);
    border: 1px solid var(--color-border-dark);
}

.login-logo {
    display: block;
    max-width: 260px;
    height: auto;
    margin: 0 auto var(--spacing-8);
}

.login-title {
    text-align: center;
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
}

.login-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-6) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.login-divider::before {
    margin-right: var(--spacing-4);
}

.login-divider::after {
    margin-left: var(--spacing-4);
}

.login-request-btn {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-white);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-request-btn:hover {
    background: var(--color-blue-50);
}

/* ============================================
   Layout - App Shell (Dashboard)
   ============================================ */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    height: var(--header-height);
    padding-top: env(safe-area-inset-top, 0);
    height: calc(var(--header-height) + env(safe-area-inset-top, 0));
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.app-header-logo {
    height: 36px;
    width: auto;
}

.app-header-title {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Logo de empresa en header */
.app-header-logo {
    height: 40px;
    max-width: 180px;
    object-fit: contain;
}

.app-header-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--color-text-primary);
}

.app-header-user-name {
    font-size: var(--font-size-sm);
    display: none;
}

.app-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
}

.app-header-menu-btn {
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sidebar - Desktop */
.app-sidebar {
    position: fixed;
    top: calc(var(--header-height) + env(safe-area-inset-top, 0));
    left: 0;
    width: var(--sidebar-width);
    bottom: calc(var(--navbar-height) + env(safe-area-inset-bottom, 0));
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border-dark);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 90;
}

.app-sidebar.open {
    transform: translateX(0);
}

.app-sidebar-overlay {
    position: fixed;
    top: calc(var(--header-height) + env(safe-area-inset-top, 0));
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base);
    z-index: 80;
}

.app-sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* Navegación Sidebar */
.sidebar-nav {
    list-style: none;
}

.sidebar-nav-item {
    margin-bottom: var(--spacing-1);
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.sidebar-nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    text-decoration: none;
}

.sidebar-nav-link.active {
    background: rgba(66, 153, 225, 0.15);
    color: var(--color-accent-blue);
    border-right: 3px solid var(--color-accent-blue);
}

.sidebar-nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-section-title {
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

/* Contenido principal - Fondo sutil para jerarquía visual */
.app-main {
    margin-top: calc(var(--header-height) + env(safe-area-inset-top, 0));
    padding: var(--spacing-6) var(--spacing-5);
    min-height: calc(100vh - var(--header-height) - var(--navbar-height));
    padding-bottom: calc(var(--navbar-height) + var(--spacing-8) + env(safe-area-inset-bottom, 0));
    background: transparent;
}

@media (min-width: 768px) {
    .app-main {
        padding: var(--spacing-8) var(--spacing-8);
    }
}

/* Navegación inferior - Mobile */
.app-navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--navbar-height) + env(safe-area-inset-bottom, 0));
    padding-bottom: env(safe-area-inset-bottom, 0);
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border-dark);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 100;
}

.navbar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
}

.navbar-item:hover,
.navbar-item.active {
    color: var(--color-accent-blue);
    text-decoration: none;
}

.navbar-icon {
    width: 24px;
    height: 24px;
}

/* ============================================
   Componentes - Tablas
   ============================================ */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--border-radius-lg);
    background: var(--color-bg-card);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border-dark);
}

.table th {
    background: rgba(0, 0, 0, 0.2);
    font-weight: 600;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* ============================================
   Componentes - Modal (con sombra nivel 3)
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 200;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-modal);
    transform: translateY(8px) scale(0.98);
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.modal-overlay.visible .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--color-border-dark);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--color-border-dark);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 var(--border-radius-xl) var(--border-radius-xl);
}

/* ============================================
   Utilidades
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

.hidden { display: none !important; }

/* ============================================
   Responsive - Mobile First Fixes
   ============================================ */

/* Textos que no se salgan del contenedor */
* {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
    word-break: break-word;
}

/* ============================================
   Responsive - Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    /* Tipografía más pequeña en móvil */
    h1 { font-size: var(--font-size-xl); }
    h2 { font-size: var(--font-size-lg); }
    h3 { font-size: var(--font-size-base); }
    
    /* Header más compacto */
    .app-header {
        padding: 0 var(--spacing-3);
    }
    
    .app-header-logo {
        height: 32px;
        max-width: 120px;
    }
    
    /* Main content con menos padding */
    .app-main {
        padding: var(--spacing-4) var(--spacing-3);
        padding-bottom: calc(var(--navbar-height) + var(--spacing-6));
    }
    
    /* Botones más compactos */
    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .btn-sm {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: 0.7rem;
    }
    
    /* Cards con menos padding */
    .card {
        padding: var(--spacing-4);
    }
    
    /* Formularios */
    .form-group {
        margin-bottom: var(--spacing-3);
    }
    
    .form-label {
        font-size: var(--font-size-xs);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    /* Modales más pequeños */
    .modal {
        max-height: 85vh;
        margin: var(--spacing-2);
        width: calc(100% - var(--spacing-4));
    }
    
    .modal-header {
        padding: var(--spacing-3) var(--spacing-4);
        position: sticky;
        top: 0;
        background: var(--color-bg-card);
        z-index: 10;
    }
    
    .modal-body {
        padding: var(--spacing-4);
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: var(--spacing-3) var(--spacing-4);
        flex-wrap: wrap;
        gap: var(--spacing-2);
        position: sticky;
        bottom: 0;
        background: var(--color-bg-card);
        border-top: 1px solid var(--color-border-dark);
    }
    
    .modal-footer .btn {
        flex: 1;
        min-width: 100px;
    }
    
    /* Radio buttons en móvil - asegurar visibilidad del texto */
    .modal input[type="radio"] {
        width: 20px;
        height: 20px;
        min-width: 20px;
        accent-color: var(--color-primary);
    }
    
    .modal label span {
        color: var(--color-text-primary) !important;
    }
    
    /* Inputs no se salgan de pantalla */
    .modal .form-input,
    .modal .form-select,
    .modal .form-textarea {
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Page headers */
    .page-header {
        flex-direction: column;
        align-items: stretch !important;
        gap: var(--spacing-3);
    }
    
    .page-header h1 {
        font-size: var(--font-size-lg);
    }
    
    .page-header .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Tables scroll horizontal */
    .table-container {
        margin: 0 calc(var(--spacing-3) * -1);
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    /* FAB más pequeño */
    .fab {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .fab-options {
        bottom: 60px;
    }
    
    .fab-option {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    /* Fix: Inputs de fecha no se salgan del contenedor */
    input[type="date"] {
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }
    
    /* Fix: Gráficas y tablas responsive */
    .chart-container,
    .chart-wrapper,
    canvas {
        max-width: 100% !important;
        overflow: hidden;
    }
    
    /* Fix: Tablas con scroll horizontal */
    .ranking-table,
    .report-table,
    table {
        display: block;
        overflow-x: auto;
        max-width: 100%;
    }
}

/* ============================================
   Responsive - Tablet (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Grids a 1 columna */
    .stats-row,
    .grid-2,
    .two-columns {
        grid-template-columns: 1fr !important;
    }
    
    /* Section headers más compactos */
    .section-header {
        padding: var(--spacing-3) var(--spacing-4);
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    
    .section-title {
        font-size: var(--font-size-xs);
    }
    
    /* Sidebar oculto por defecto */
    .app-sidebar {
        transform: translateX(-100%);
    }
    
    /* Navbar visible */
    .app-navbar {
        display: flex;
    }
    
    /* Alertas más compactas */
    .alert {
        padding: var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    /* Fix: Contenedores no se desborden */
    .section-card,
    .card,
    .filters-card {
        max-width: 100%;
        overflow: hidden;
    }
    
    /* Fix: Gráficas responsivas */
    .chart-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    canvas {
        max-width: 100% !important;
        height: auto !important;
    }
}

/* ============================================
   Fixes para textos largos
   ============================================ */
.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Fix para textos en cards y listas */
.card-title,
.list-title,
.section-title {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Responsive - Desktop
   ============================================ */
@media (min-width: 1024px) {
    .app-header-menu-btn {
        display: none;
    }

    .app-header-user-name {
        display: block;
    }

    .app-sidebar {
        transform: translateX(0);
    }

    .app-sidebar-overlay {
        display: none;
    }

    .app-main {
        margin-left: var(--sidebar-width);
        padding: var(--spacing-8);
        padding-bottom: var(--spacing-8);
    }

    .app-navbar {
        display: none;
    }
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    z-index: 300;
}

.loading-logo {
    max-width: 180px;
    height: auto;
}
/* Fix para opciones de select en tema oscuro */
select option {
    background: #252b43;
    color: #ffffff;
}