/**
 * FUERZA OPERATIVA - FO (TM)
 * Estilos Principales
 * 
 * Diseño: Glassmorphism, Dark Mode, Modern UI
 * Versión: 1.0.0
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores primarios */
    --color-bg-primary: #0a0f1a;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1f2937;
    
    /* Glassmorphism */
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-bg-light: rgba(31, 41, 55, 0.5);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Acentos */
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    --color-secondary: #10b981;
    --color-secondary-light: #34d399;
    --color-accent: #8b5cf6;
    
    /* Estados */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #06b6d4;
    
    /* Texto */
    --text-primary: #f9fafb;
    --text-secondary: #e5e7eb;
    --text-muted: #9ca3af;
    --text-disabled: #6b7280;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f59e0b 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);
    --shadow-glow-danger: 0 0 20px rgba(239, 68, 68, 0.3);
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Fuentes */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ============================================
   SVG GLOBAL - FORZAR DIMENSIONES
   ============================================ */
svg {
    width: 24px;
    height: 24px;
    max-width: 100%;
    max-height: 100%;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Iconos pequeños */
svg[width="16"],
svg[width="16px"] {
    width: 16px !important;
    height: 16px !important;
}

/* Iconos de formulario */
svg[width="18"],
svg[width="18px"],
.form-icon-wrapper svg,
.form-icon,
.password-toggle svg {
    width: 18px !important;
    height: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
}

/* Iconos estándar */
svg[width="20"],
svg[width="20px"],
.alert-icon {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
}

/* Iconos de sidebar */
.sidebar-icon,
svg.sidebar-icon {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
}

/* Iconos de header */
.header-logo-icon svg,
.header-btn svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
}

/* Iconos grandes */
.auth-feature-icon svg,
svg[width="24"],
svg[width="24px"] {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
}

/* Logo */
.auth-logo-icon svg {
    width: 40px !important;
    height: 40px !important;
    max-width: 40px !important;
    max-height: 40px !important;
}

/* Contenedores de iconos */
.form-icon-wrapper,
.auth-feature-icon,
.alert-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

body {
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Fondo animado */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

img, video, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   UTILIDADES
   ============================================ */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 960px;
}

.container-wide {
    max-width: 1920px;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.grid {
    display: grid;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 { grid-template-columns: 1fr; }
}

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   COMPONENTES - GLASS CARD
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lg);
}

.glass-card-sm {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
}

.glass-card-lg {
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
}

/* ============================================
   COMPONENTES - BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-secondary:hover {
    box-shadow: var(--shadow-glow-success);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    box-shadow: var(--shadow-glow-danger);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    background: rgba(59, 130, 246, 0.1);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--glass-bg-light);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   COMPONENTES - FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-disabled);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input:disabled,
.form-select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-input-error {
    border-color: var(--color-danger) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

.form-error {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--color-danger);
}

.form-hint {
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.form-icon-wrapper {
    position: relative;
}

.form-icon-wrapper .form-input {
    padding-left: 2.75rem;
}

.form-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-icon svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Checkbox y Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ============================================
   COMPONENTES - BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-primary-light);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-secondary-light);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.badge-info {
    background: rgba(6, 182, 212, 0.2);
    color: #67e8f9;
}

.badge-dark {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
}

/* ============================================
   COMPONENTES - ALERTAS
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-secondary-light);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    color: #67e8f9;
}

/* ============================================
   COMPONENTES - TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideInRight 0.3s ease;
}

.toast.hiding {
    animation: slideOutRight 0.3s ease forwards;
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.toast-close {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ============================================
   COMPONENTES - MODALES
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1200px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--glass-border);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

/* ============================================
   COMPONENTES - SPINNER / LOADING
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--glass-bg) 25%, var(--glass-bg-light) 50%, var(--glass-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   COMPONENTES - TABS
   ============================================ */
.tabs {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background: var(--glass-bg-light);
    border-radius: var(--radius-lg);
}

.tab {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-secondary);
    background: var(--glass-bg);
}

.tab.active {
    color: var(--text-primary);
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

/* ============================================
   LAYOUT - HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
    display: flex;
    align-items: center;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0 var(--space-lg);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.header-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-logo-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.header-nav-link {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.header-nav-link:hover,
.header-nav-link.active {
    color: var(--text-primary);
    background: var(--glass-bg-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
}

.header-btn:hover {
    color: var(--text-primary);
    background: var(--glass-bg-light);
}

.header-btn-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-danger);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-user:hover {
    background: var(--glass-bg);
}

.header-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-primary);
}

.header-user-info {
    display: none;
}

@media (min-width: 768px) {
    .header-user-info {
        display: block;
    }
}

.header-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   LAYOUT - SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    top: 70px;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    z-index: 90;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.sidebar.active {
    transform: translateX(0);
}

@media (min-width: 1024px) {
    .sidebar {
        transform: translateX(0);
    }
}

.sidebar-nav {
    padding: var(--space-lg);
}

.sidebar-section {
    margin-bottom: var(--space-xl);
}

.sidebar-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0 var(--space-md);
    margin-bottom: var(--space-sm);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-item {
    margin-bottom: var(--space-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0.75rem var(--space-md);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    color: var(--text-primary);
    background: var(--glass-bg-light);
}

.sidebar-link.active {
    color: var(--text-primary);
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
}

.sidebar-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.sidebar-badge {
    margin-left: auto;
    background: var(--color-danger);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ============================================
   LAYOUT - MAIN CONTENT
   ============================================ */
.main {
    padding-top: 70px;
    min-height: 100vh;
}

@media (min-width: 1024px) {
    .main {
        padding-left: 280px;
    }
}

.main-content {
    padding: var(--space-xl);
}

.page-header {
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    color: var(--text-muted);
}

/* ============================================
   LAYOUT - MOBILE MENU
   ============================================ */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 80;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .main-content {
        padding: var(--space-lg);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .glass-card {
        padding: var(--space-lg);
    }
    
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease;
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   SCROLLBAR PERSONALIZADA
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border-hover);
    border-radius: var(--radius-full);
}

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

/* ============================================
   SELECCIÓN DE TEXTO
   ============================================ */
::selection {
    background: var(--color-primary);
    color: white;
}