/**
 * SIGEE - Sistema de Gestión de Expedientes de Extorsión
 * Hoja de Estilos Principal
 * CICPC - Paleta Institucional: Azul Oscuro, Gris, Blanco
 */

/* ==================== VARIABLES CSS ==================== */
:root {
    /* Colores Institucionales CICPC */
    --color-primary: #1a365d;           /* Azul oscuro institucional */
    --color-primary-dark: #0f2744;      /* Azul más oscuro */
    --color-primary-light: #2c5282;     /* Azul claro */
    --color-secondary: #4a5568;         /* Gris corporativo */
    --color-secondary-light: #718096;   /* Gris claro */
    --color-secondary-dark: #2d3748;    /* Gris oscuro */
    
    /* Colores de Estado */
    --color-success: #38a169;           /* Verde éxito */
    --color-warning: #d69e2e;           /* Amarillo alerta */
    --color-danger: #e53e3e;            /* Rojo peligro */
    --color-info: #3182ce;              /* Azul info */
    
    /* Colores Neutros */
    --color-white: #ffffff;
    --color-gray-50: #f7fafc;
    --color-gray-100: #edf2f7;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e0;
    --color-gray-400: #a0aec0;
    --color-gray-500: #718096;
    --color-gray-600: #4a5568;
    --color-gray-700: #2d3748;
    --color-gray-800: #1a202c;
    --color-gray-900: #171923;
    
    /* 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 */
    --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;
    
    /* Bordes */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Sidebar */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    
    /* Header */
    --header-height: 64px;
}

/* ==================== 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-gray-800);
    background-color: var(--color-gray-100);
    min-height: 100vh;
}

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

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

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

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

img {
    max-width: 100%;
    height: auto;
}

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-6);
}

.login-container {
    width: 100%;
    max-width: 480px;
    background: var(--color-white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.login-logo {
    background: var(--color-primary);
    padding: var(--spacing-8) var(--spacing-6);
    text-align: center;
    color: var(--color-white);
}

.logo-emblem {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.logo-emblem i {
    font-size: 2.5rem;
}

.logo-text h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-1);
    letter-spacing: 2px;
}

.logo-text p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    max-width: 300px;
    margin: 0 auto;
}

.login-form-container {
    padding: var(--spacing-8) var(--spacing-6);
}

.login-form-container h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-1);
}

.login-subtitle {
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
}

.login-form .form-group {
    margin-bottom: var(--spacing-5);
}

.login-form label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--spacing-3);
    color: var(--color-gray-400);
    z-index: 1;
}

.input-group input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-3) var(--spacing-10);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.toggle-password {
    position: absolute;
    right: var(--spacing-3);
    color: var(--color-gray-400);
    padding: var(--spacing-1);
}

.toggle-password:hover {
    color: var(--color-gray-600);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-gray-600);
    cursor: pointer;
}

.checkbox-label input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

.forgot-password {
    color: var(--color-primary);
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
}

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

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

.btn-block {
    width: 100%;
    padding: var(--spacing-4);
}

.login-footer {
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-gray-50);
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.login-footer .version {
    margin-top: var(--spacing-1);
    opacity: 0.7;
}

/* ==================== MAIN APP ==================== */
.main-app {
    display: flex;
    min-height: 100vh;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: width var(--transition-slow);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.sidebar-header .logo-emblem {
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-header .logo-emblem i {
    color: var(--color-white);
    font-size: 1.25rem;
}

.sidebar-header .logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    letter-spacing: 1px;
}

.sidebar.collapsed .logo-text {
    display: none;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
}

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

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-600);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-800);
}

.nav-item.active .nav-link {
    background: var(--color-primary);
    color: var(--color-white);
}

.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar-footer {
    padding: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: capitalize;
}

.btn-logout {
    width: 100%;
    padding: var(--spacing-3);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

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

.sidebar.collapsed .user-info,
.sidebar.collapsed .btn-logout span {
    display: none;
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* ==================== TOP HEADER ==================== */
.top-header {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-6);
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.header-title {
    flex: 1;
    margin-left: var(--spacing-4);
}

.header-title h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: var(--spacing-3);
    color: var(--color-gray-400);
}

.search-box input {
    padding: var(--spacing-2) var(--spacing-3) var(--spacing-2) var(--spacing-9);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    width: 250px;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    width: 300px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    border-radius: var(--border-radius);
    position: relative;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-icon .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: var(--color-danger);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== CONTENT AREA ==================== */
.content-area {
    flex: 1;
    padding: var(--spacing-6);
    overflow-y: auto;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-header {
    margin-bottom: var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-800);
}

.section-header p {
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    box-shadow: var(--shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-white);
}

.stat-icon.blue { background: var(--color-primary); }
.stat-icon.orange { background: var(--color-warning); }
.stat-icon.green { background: var(--color-success); }
.stat-icon.red { background: var(--color-danger); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-800);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ==================== DASHBOARD GRID ==================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-5);
}

.dashboard-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.card-header h3 i {
    color: var(--color-primary);
}

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
}

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

.btn-link:hover {
    text-decoration: underline;
}

.card-body {
    padding: var(--spacing-4) var(--spacing-5);
    max-height: 400px;
    overflow-y: auto;
}

/* ==================== TABLES ==================== */
.table-container {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-4) var(--spacing-5);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.data-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
    background: var(--color-gray-50);
}

.data-table td {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

/* ==================== FILTERS BAR ==================== */
.filters-bar {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-5);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.filter-group {
    display: flex;
    align-items: center;
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    min-width: 150px;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-300);
}

/* ==================== SEARCH PANEL ==================== */
.search-panel {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-5);
}

.search-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-gray-200);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: var(--color-gray-50);
}

.search-forms {
    padding: var(--spacing-6);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-text {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.form-row {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-end;
}

.form-row .form-group {
    flex: 1;
}

/* ==================== FACIAL RECOGNITION ==================== */
.facial-recognition-panel {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    padding: var(--spacing-6);
}

.upload-area {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-12);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: var(--color-gray-50);
}

.upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(26, 54, 93, 0.05);
}

.upload-content i {
    font-size: 3rem;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-4);
}

.upload-content h3 {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.upload-content p {
    color: var(--color-gray-500);
}

.facial-preview {
    margin-top: var(--spacing-5);
}

.preview-container {
    position: relative;
    display: inline-block;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

#facial-canvas {
    max-width: 100%;
    display: block;
}

.detection-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-3);
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.preview-actions {
    margin-top: var(--spacing-4);
    display: flex;
    gap: var(--spacing-3);
    justify-content: center;
}

.facial-results {
    margin-top: var(--spacing-6);
}

/* ==================== ALERTS ==================== */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-4);
}

.alert-error {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #fc8181;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-warning {
    background: #fefcbf;
    color: #744210;
    border: 1px solid #f6e05e;
}

.alert-info {
    background: #bee3f8;
    color: #2a4365;
    border: 1px solid #90cdf4;
}

/* ==================== MODALS ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-4);
}

.modal-container {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-body {
    padding: var(--spacing-5);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* ==================== TOASTS ==================== */
.toast-container {
    position: fixed;
    top: var(--spacing-5);
    right: var(--spacing-5);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.toast {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

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

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

.toast.warning {
    background: var(--color-warning);
    color: var(--color-white);
}

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

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

/* ==================== LOADING ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--color-primary);
}

.loading-spinner i {
    font-size: 2.5rem;
}

/* ==================== UTILITIES ==================== */
.text-muted {
    color: var(--color-gray-500);
}

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

.d-none {
    display: none !important;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-bar {
        flex-wrap: wrap;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .search-box input {
        width: 150px;
    }
    
    .search-box input:focus {
        width: 180px;
    }
}

/* ==================== FILE MANAGER ==================== */
.file-manager {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    padding: var(--spacing-5);
}

.file-categories {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-5);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.category-btn:hover {
    background: var(--color-gray-200);
}

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

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: #c6f6d5;
    color: #22543d;
}

.badge-warning {
    background: #fefcbf;
    color: #744210;
}

.badge-danger {
    background: #fed7d7;
    color: #c53030;
}

.badge-info {
    background: #bee3f8;
    color: #2a4365;
}

/* ==================== ACTIVITY LIST ==================== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.activity-item {
    display: flex;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.activity-item:hover {
    background: var(--color-gray-50);
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.login { background: #c6f6d5; color: #22543d; }
.activity-icon.search { background: #bee3f8; color: #2a4365; }
.activity-icon.create { background: #fefcbf; color: #744210; }

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ==================== ALERT LIST ==================== */
.alert-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.alert-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: #fff5f5;
    border: 1px solid #fc8181;
    border-radius: var(--border-radius);
}

.alert-item i {
    color: var(--color-danger);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #c53030;
}

.alert-desc {
    font-size: var(--font-size-xs);
    color: #9b2c2c;
}