/**
 * ============================================================================
 * PERICIAL PRO - A Maior IA Pericial do Brasil
 * Design System & Styles
 * ============================================================================
 */

/* ============================================================================
   CSS VARIABLES - Design Tokens
   ============================================================================ */
:root {
    /* Primary Colors - Deep Blue/Purple Gradient */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    /* Accent Colors - Cyan/Teal */
    --accent-400: #22d3ee;
    --accent-500: #06b6d4;
    --accent-600: #0891b2;
    
    /* Success */
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    
    /* Warning */
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    /* Danger */
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    
    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;
    
    /* Dark Theme Colors */
    --dark-bg: #0a0a0f;
    --dark-card: #12121a;
    --dark-card-hover: #1a1a24;
    --dark-border: #2a2a3a;
    --dark-text: #e5e7eb;
    --dark-text-muted: #9ca3af;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(6, 182, 212, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-sans);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --sidebar-width: 280px;
    --sidebar-collapsed: 80px;
    --header-height: 70px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 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(--dark-bg);
    color: var(--dark-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        var(--gradient-glow),
        radial-gradient(ellipse at top right, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--accent-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-500);
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ============================================================================
   LAYOUT - MAIN STRUCTURE
   ============================================================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--dark-card);
    border-right: 1px solid var(--dark-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width var(--transition-slow);
}

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-slow);
}

.app-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    z-index: 100;
}

.app-content {
    flex: 1;
    padding: 2rem;
}

/* Sidebar Collapsed State */
.sidebar-collapsed .app-sidebar {
    width: var(--sidebar-collapsed);
}

.sidebar-collapsed .app-main {
    margin-left: var(--sidebar-collapsed);
}

/* ============================================================================
   SIDEBAR
   ============================================================================ */
.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-glow);
}

.sidebar-logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-logo-badge {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--accent-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--gray-400);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: #fff;
    background: rgba(99, 102, 241, 0.1);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--gradient-primary);
    border-radius: 0 2px 2px 0;
}

.nav-item-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-item-badge {
    margin-left: auto;
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--primary-600);
    color: #fff;
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--dark-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.sidebar-user:hover {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #fff;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ============================================================================
   HEADER
   ============================================================================ */
.header-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.header-search {
    flex: 1;
    max-width: 500px;
    margin: 0 2rem;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    color: #fff;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box input::placeholder {
    color: var(--gray-500);
}

.search-box-icon-old {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.header-action-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--gray-400);
    position: relative;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.header-action-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.header-action-btn .badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 18px;
    height: 18px;
    background: var(--danger-500);
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

/* ============================================================================
   CARDS
   ============================================================================ */
.card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--dark-border);
    background: rgba(0, 0, 0, 0.2);
}

/* Glass Card */
.card-glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Stat Cards */
.stat-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: var(--gradient-glow);
    border-radius: 50%;
    transform: translate(30%, -30%);
    opacity: 0.5;
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.stat-card-icon.primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
}

.stat-card-icon.accent {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-400);
}

.stat-card-icon.success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success-400);
}

.stat-card-icon.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-400);
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.stat-card-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.stat-card-change.up {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success-400);
}

.stat-card-change.down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-400);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-accent {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-accent:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-300);
    border: 1px solid var(--dark-border);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--gray-500);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-400);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.btn-danger {
    background: var(--danger-600);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-500);
}

.btn-success {
    background: var(--success-600);
    color: #fff;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-500);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

/* ============================================================================
   FORMS
   ============================================================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-300);
}

.form-label.required::after {
    content: '*';
    color: var(--danger-500);
    margin-left: 0.25rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-control::placeholder {
    color: var(--gray-600);
}

.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger-500);
}

.form-control.is-valid {
    border-color: var(--success-500);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.form-error {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--danger-500);
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background: var(--dark-border);
    border: 1px solid var(--dark-border);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-500);
    cursor: pointer;
}

.form-check-label {
    font-size: 0.9375rem;
    color: var(--gray-300);
    cursor: pointer;
}

/* ============================================================================
   TABLES
   ============================================================================ */
.table-container {
    overflow-x: auto;
}

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

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

.table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: rgba(0, 0, 0, 0.2);
}

.table td {
    font-size: 0.9375rem;
    color: var(--gray-300);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.table-striped tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

/* ============================================================================
   BADGES & TAGS
   ============================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success-400);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-400);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-400);
}

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-400);
}

.badge-gray {
    background: rgba(107, 114, 128, 0.15);
    color: var(--gray-400);
}

/* Status Badges */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-dot.active { background: var(--success-500); }
.status-dot.pending { background: var(--warning-500); }
.status-dot.inactive { background: var(--gray-500); }
.status-dot.error { background: var(--danger-500); }

/* ============================================================================
   ALERTS
   ============================================================================ */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.alert-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-message {
    font-size: 0.9375rem;
    opacity: 0.9;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success-400);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning-400);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger-400);
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--accent-400);
}

/* ============================================================================
   MODAL
   ============================================================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-backdrop.show .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ============================================================================
   DROPDOWN
   ============================================================================ */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    color: var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.dropdown-item.danger {
    color: var(--danger-400);
}

.dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dropdown-divider {
    height: 1px;
    background: var(--dark-border);
    margin: 0.5rem 0;
}

/* ============================================================================
   TABS
   ============================================================================ */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--dark-border);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab:hover {
    color: var(--gray-300);
}

.tab.active {
    color: #fff;
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.tab-content {
    display: none;
}

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

/* ============================================================================
   PROGRESS
   ============================================================================ */
.progress {
    height: 8px;
    background: var(--dark-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success {
    background: var(--gradient-accent);
}

/* ============================================================================
   LOADING & SPINNER
   ============================================================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--dark-border);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 24px;
    height: 24px;
    border-width: 2px;
}

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

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--dark-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--gray-500);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
}

.empty-state-text {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* ============================================================================
   PAGINATION
   ============================================================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-item {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-400);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.pagination-item.active {
    background: var(--primary-600);
    color: #fff;
}

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

/* ============================================================================
   TOAST / NOTIFICATIONS
   ============================================================================ */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    min-width: 300px;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

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

.toast.success { border-left: 3px solid var(--success-500); }
.toast.error { border-left: 3px solid var(--danger-500); }
.toast.warning { border-left: 3px solid var(--warning-500); }
.toast.info { border-left: 3px solid var(--accent-500); }

/* ============================================================================
   UTILITIES
   ============================================================================ */
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.5rem; }

.m-0 { margin: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.5rem; }

.p-0 { padding: 0; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.5rem; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

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

.text-primary { color: var(--primary-400); }
.text-success { color: var(--success-400); }
.text-warning { color: var(--warning-400); }
.text-danger { color: var(--danger-400); }
.text-info { color: var(--accent-400); }

.bg-primary { background: var(--primary-600); }
.bg-success { background: var(--success-600); }
.bg-warning { background: var(--warning-600); }
.bg-danger { background: var(--danger-600); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-glow { box-shadow: var(--shadow-glow); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }

.cursor-pointer { cursor: pointer; }

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -0.75rem;
}

.col {
    flex: 1;
    padding: 0.75rem;
}

.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0.75rem; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0.75rem; }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0.75rem; }
.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0.75rem; }

/* ============================================================================
   ANIMATIONS
   ============================================================================ */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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

.pulse {
    animation: pulse 2s infinite;
}

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

/* ============================================================================
   LOGIN PAGE STYLES
   ============================================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--dark-bg);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-glow);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-glow);
}

.login-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 1024px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    
    .app-sidebar.open {
        transform: translateX(0);
    }
    
    .app-main {
        margin-left: 0;
    }
    
    .col-4 { flex: 0 0 50%; max-width: 50%; }
    .col-3 { flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 768px) {
    .app-content {
        padding: 1rem;
    }
    
    .header-search {
        display: none;
    }
    
    .col-6, .col-4, .col-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .stat-card-value {
        font-size: 1.5rem;
    }
}

/* ============================================================================
   CHART CONTAINER
   ============================================================================ */
.chart-container {
    position: relative;
    height: 300px;
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */
@media print {
    .app-sidebar,
    .app-header,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .app-main {
        margin-left: 0;
    }
    
    body {
        background: #fff;
        color: #000;
    }
    
    .card {
        border: 1px solid #ddd;
        background: #fff;
    }
}