/* ===== TEXTETICA ADMIN SYSTEM - MODERN DESIGN ===== */

/* CSS Variables for Design System - Light Theme */
:root {
    /* Brand Colors - inspired by textetica.ru */
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #17a2b8;
    
    /* Neutral Colors - Light Theme */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    --gray-900: #1a1a1a;
    
    /* Text Colors - Light Theme */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-white: #ffffff;
    
    /* Background Colors - Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #2c3e50;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font Sizes */
    --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;
    --font-size-4xl: 2.25rem;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* 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 -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);
    
    /* Transitions - Optimized for performance */
    --transition-fast: 0.1s ease-out;
    --transition-normal: 0.2s ease-out;
    --transition-slow: 0.3s ease-out;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Prevent layout shifts and improve scrolling */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    position: relative;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimize animations for better performance */
@media (prefers-reduced-motion: no-preference) {
    .card:hover,
    .btn:hover,
    .nav-link:hover {
        will-change: transform;
    }
    
    .card:hover,
    .btn:hover,
    .nav-link:hover {
        transform: translateZ(0);
    }
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--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); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

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

/* Header and Navigation */
.header {
    background: var(--bg-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    z-index: 1000;
    width: 100%;
}


.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    min-width: 200px;
}

.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(44, 62, 80, 0.1), transparent);
    transition: left var(--transition-fast);
}

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

.logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.15);
}

/* Стили для изображения логотипа */
.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-normal);
}

.logo:hover img {
    transform: scale(1.05);
}


.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
    max-width: 100%;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 100px;
    justify-content: center;
    white-space: nowrap;
    flex-shrink: 0;
    contain: layout style paint;
    transform: translateZ(0);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left var(--transition-fast);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}

.nav-link.active {
    color: var(--text-white);
    background: linear-gradient(135deg, var(--primary-color), #3498db);
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.3);
    transform: translateY(-1px);
}

.nav-link.active::before {
    display: none;
}

/* Специальные стили для кнопки "Выход" */
.nav-link.logout {
    color: var(--danger-color);
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    margin-left: var(--spacing-md);
    position: relative;
    min-width: 100px;
}

.nav-link.logout::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-md));
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, var(--gray-300), transparent);
    border-radius: 1px;
}

.nav-link.logout:hover {
    color: var(--text-white);
    background: linear-gradient(135deg, var(--danger-color), #c0392b);
    border-color: var(--danger-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.nav-link.logout:hover::before {
    background: linear-gradient(to bottom, transparent, var(--danger-color), transparent);
}

/* Стили для кнопки "Выход" в блоке user-info */
.user-info .nav-link.logout {
    margin-left: var(--spacing-lg);
    min-width: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.user-info .nav-link.logout::before {
    left: calc(-1 * var(--spacing-lg));
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-shrink: 0;
    min-width: 200px;
    justify-content: flex-end;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gray-200);
}

.user-info .text-primary {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

/* Main Layout */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    min-height: calc(100vh - 80px);
    position: relative;
    z-index: 1;
}

.container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.container-fluid {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    width: 100%;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background: var(--light-gray);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background: var(--light-gray);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: all var(--transition-fast);
    background: var(--bg-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    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 var(--transition-normal);
}

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

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

.btn-primary:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: #229954;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #c0392b;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-outline-secondary {
    background: linear-gradient(135deg, #fd7e14 0%, #e8590c 100%);
    border: 2px solid #fd7e14;
    color: var(--text-white);
    box-shadow: 0 2px 8px rgba(253, 126, 20, 0.2);
}

.btn-outline-secondary:hover {
    background: linear-gradient(135deg, #e8590c 0%, #d63384 100%);
    color: var(--text-white);
    border-color: #e8590c;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(253, 126, 20, 0.3);
}

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

.btn-info:hover {
    background: #138496;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-warning:hover {
    background: #e67e22;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    max-height: 70vh;
    overflow-y: auto;
    position: relative;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    position: relative;
}

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

.table th {
    background: var(--light-gray);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.pagination .btn {
    min-width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: var(--primary-color); color: var(--text-white); }
.badge-success { background: var(--success-color); color: var(--text-white); }
.badge-warning { background: var(--warning-color); color: var(--text-white); }
.badge-danger { background: var(--danger-color); color: var(--text-white); }
.badge-info { background: var(--info-color); color: var(--text-white); }

/* Potential Badge System - Percentage based */
.potential-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 32px;
    padding: 0 8px;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    color: var(--text-white);
    text-align: center;
    line-height: 1;
    box-shadow: var(--shadow-sm);
}

/* Color ranges for percentage potential */
.potential-0, .potential-1, .potential-2, .potential-3, .potential-4, .potential-5, .potential-6, .potential-7, .potential-8, .potential-9, .potential-10 { 
    background: linear-gradient(135deg, #ff6b6b, #ee5a52); 
}
.potential-11, .potential-12, .potential-13, .potential-14, .potential-15, .potential-16, .potential-17, .potential-18, .potential-19, .potential-20 { 
    background: linear-gradient(135deg, #ff8e8e, #ff6b6b); 
}
.potential-21, .potential-22, .potential-23, .potential-24, .potential-25, .potential-26, .potential-27, .potential-28, .potential-29, .potential-30 { 
    background: linear-gradient(135deg, #ffa726, #ff9800); 
}
.potential-31, .potential-32, .potential-33, .potential-34, .potential-35, .potential-36, .potential-37, .potential-38, .potential-39, .potential-40 { 
    background: linear-gradient(135deg, #ffcc02, #ffa726); 
}
.potential-41, .potential-42, .potential-43, .potential-44, .potential-45, .potential-46, .potential-47, .potential-48, .potential-49, .potential-50 { 
    background: linear-gradient(135deg, #95a5a6, #7f8c8d); 
}
.potential-51, .potential-52, .potential-53, .potential-54, .potential-55, .potential-56, .potential-57, .potential-58, .potential-59, .potential-60 { 
    background: linear-gradient(135deg, #42a5f5, #2196f3); 
}
.potential-61, .potential-62, .potential-63, .potential-64, .potential-65, .potential-66, .potential-67, .potential-68, .potential-69, .potential-70 { 
    background: linear-gradient(135deg, #66bb6a, #4caf50); 
}
.potential-71, .potential-72, .potential-73, .potential-74, .potential-75, .potential-76, .potential-77, .potential-78, .potential-79, .potential-80 { 
    background: linear-gradient(135deg, #4caf50, #43a047); 
}
.potential-81, .potential-82, .potential-83, .potential-84, .potential-85, .potential-86, .potential-87, .potential-88, .potential-89, .potential-90 { 
    background: linear-gradient(135deg, #26a69a, #009688); 
}
.potential-91, .potential-92, .potential-93, .potential-94, .potential-95, .potential-96, .potential-97, .potential-98, .potential-99, .potential-100 { 
    background: linear-gradient(135deg, #2e7d32, #1b5e20); 
}

/* Alerts */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-color: var(--danger-color);
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: var(--warning-color);
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: var(--info-color);
    color: #0c5460;
}

/* Search and Filters */
.search-filters {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    align-items: end;
}

.search-filters .form-control {
    margin-bottom: 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

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

/* Ensure grid items don't overlap */
.grid > * {
    position: relative;
    z-index: 1;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Additional utility classes for tools */
.col-md-6 { 
    flex: 0 0 50%; 
    max-width: 50%; 
}

.col-md-12 { 
    flex: 0 0 100%; 
    max-width: 100%; 
}

@media (max-width: 768px) {
    .col-md-6, .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Tools specific styles */
.tools-container {
    max-width: 1200px;
    margin: 0 auto;
}

.tool-card {
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

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

.tool-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.tool-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    display: block;
}

/* Удаляем дублирующие стили для form-row, form-group, form-label, form-control */

.radio-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
}

.radio-group input[type="radio"] {
    margin-right: 0.5rem;
}

.result-container {
    margin-top: 1.5rem;
}

.calculation-summary {
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.alternative-variants {
    max-height: 400px;
    overflow-y: auto;
}

.variant-item {
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--info-color);
}

.variant-item:last-child {
    margin-bottom: 0;
}

/* Loading states */
.loading-overlay {
    position: absolute;
    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: 1000;
}

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

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .sticker {
        page-break-inside: avoid;
    }
}

/* Responsive adjustments for tools */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .radio-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .tool-card {
        margin-bottom: 1rem;
    }
}

/* Spinner for loading states */
.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.125em;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Alert dismissible */
.alert-dismissible .btn-close {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    padding: 1.25rem 1rem;
}

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 0.25em 0.25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='m.5 3.5 3 3-3 3 1 1 3-3 3 3 1-1-3-3 3-3-1-1-3 3-3-3-1 1z'/%3e%3c/svg%3e") 50%/1em auto no-repeat;
    border: 0;
    border-radius: 0.375rem;
    opacity: 0.5;
}

.btn-close:hover {
    color: #000;
    text-decoration: none;
    opacity: 0.75;
}

.btn-close:focus {
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    opacity: 1;
}

.btn-close:disabled,
.btn-close.disabled {
    pointer-events: none;
    user-select: none;
    opacity: 0.25;
}

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 1200px) {
    .main-container {
        padding: var(--spacing-lg);
    }
    
    .header-content {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-md) 0;
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
        align-items: center;
    }
    
    .logo {
        padding: var(--spacing-xs);
        min-width: auto;
    }
    
    .logo img {
        height: 30px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
        width: 100%;
        order: 2;
    }
    
    .nav-link {
        min-width: 80px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .nav-link.logout {
        margin-left: 0;
    }
    
    .user-info {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        order: 1;
        margin-bottom: var(--spacing-sm);
    }
    
    .user-info .text-primary {
        font-size: var(--font-size-base);
    }
    
    .search-filters {
        grid-template-columns: 1fr;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: var(--spacing-lg);
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    /* Prevent horizontal scroll on mobile */
    .table-container {
        max-height: 60vh;
        overflow-x: auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Fix for mobile viewport */
    .main-container {
        padding: var(--spacing-md);
        min-height: calc(100vh - 60px);
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: var(--spacing-md);
        min-height: calc(100vh - 50px);
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn + .btn {
        margin-top: var(--spacing-sm);
    }
    
    .nav-link {
        min-width: 70px;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .nav-link svg {
        width: 14px;
        height: 14px;
    }
    
    .user-info {
        font-size: var(--font-size-xs);
    }
    
    /* Additional mobile fixes */
    .table-container {
        max-height: 50vh;
        font-size: var(--font-size-sm);
    }
    
    .card,
    .check-card,
    .client-card {
        margin-bottom: var(--spacing-md);
    }
    
    /* Prevent text overflow */
    .card-body,
    .check-card-body,
    .client-card-body {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}

/* Animation Classes - Removed for static header */

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Prevent scrollbar issues */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* Fix for Firefox */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Prevent element overlap and layout shifts */
.page-header,
.search-filters-modern,
.checks-grid,
.clients-grid,
.nomenclature-grid,
.cmr-grid {
    position: relative;
    z-index: 1;
    contain: layout;
}

/* Ensure cards don't overlap */
.card,
.check-card,
.client-card,
.nomenclature-card,
.cmr-card {
    position: relative;
    z-index: 1;
    contain: layout style;
}

/* Fix for potential badge positioning - removed absolute positioning */

/* Стили для логотипа на странице входа */
.login-logo {
    max-height: 80px;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: 0.5rem;
    transition: all var(--transition-normal);
}

.login-logo:hover {
    transform: scale(1.05);
}

/* Дополнительные стили для предотвращения перекрытия логотипа */
@media (max-width: 480px) {
    .logo {
        min-width: auto;
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-xs);
    }
    
    .logo img {
        height: 25px;
    }
    
    .header-right {
        min-width: auto;
        margin-top: var(--spacing-sm);
    }
    
    .login-logo {
        max-height: 60px;
    }
    
    .main-container {
        padding: 0.5rem;
    }
}

/* Стили для планшетов */
@media (max-width: 768px) {
    .login-logo {
        max-height: 70px;
    }
    
    .main-container {
        padding: 1rem;
    }
}

/* ===== CHECK FORM MODERN DESIGN ===== */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

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

.page-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.page-icon {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-title h1 {
    margin: 0;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
}

.page-subtitle {
    margin: var(--spacing-xs) 0 0 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
}

/* Modern Alert */
.alert-modern {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-content {
    flex: 1;
}

/* Check Form */
.check-form {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.form-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.form-section {
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.form-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.section-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(52, 152, 219, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.section-icon {
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.section-title {
    flex: 1;
    min-width: 200px;
}

.section-title h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.section-title p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.section-content {
    padding: var(--spacing-xl);
}

/* Modern Form Elements */
.form-group-modern {
    margin-bottom: var(--spacing-lg);
}

.form-label-modern {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.label-text {
    flex: 1;
}

.label-required {
    color: var(--danger-color);
    font-weight: var(--font-weight-bold);
}

.form-control-modern {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control-modern:read-only {
    background: var(--light-gray);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* Validation States */
.form-control-modern.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-control-modern.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
    animation: shake 0.5s ease-in-out;
}

.form-select-modern.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-select-modern.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
    animation: shake 0.5s ease-in-out;
}

/* Loading States */
.form-control-modern:disabled,
.form-select-modern:disabled {
    background: var(--light-gray);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Focus States with Animation */
.form-control-modern:focus,
.form-select-modern:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

/* Button States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Success Animation */
@keyframes successPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(39, 174, 96, 0);
    }
}

.form-control-modern.success-animation {
    animation: successPulse 0.6s ease-out;
}

/* Error Animation */
@keyframes errorShake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-3px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(3px);
    }
}

.form-control-modern.error-animation {
    animation: errorShake 0.5s ease-in-out;
}

.form-select-modern {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
    appearance: none;
    cursor: pointer;
}

.form-select-modern:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.select-wrapper {
    position: relative;
}

.select-arrow {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
}

.form-row-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* Input Groups */
.input-group-modern {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
}

.input-group-modern:focus-within {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.input-group-modern .form-control-modern {
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.input-group-modern .form-control-modern:focus {
    box-shadow: none;
}

.input-group-text-modern {
    padding: var(--spacing-md);
    background: var(--light-gray);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    border-left: 1px solid var(--gray-300);
    white-space: nowrap;
}

.total-amount .form-control-modern {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    color: var(--success-color);
}

/* Items Container */
.items-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.item-row-modern {
    background: var(--light-gray);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    animation: slideInUp 0.3s ease-out;
    transform: translateY(0);
    opacity: 1;
}

.item-row-modern:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.item-row-modern.removing {
    animation: slideOutDown 0.3s ease-in forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(30px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 0.6s ease-in-out;
}

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

.item-number-badge {
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-full);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

.btn-remove-item {
    background: var(--danger-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-remove-item:hover {
    background: #c0392b;
    transform: scale(1.1);
}

.item-fields {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: end;
}

.item-field-large {
    grid-column: span 2;
}

.item-field-medium {
    grid-column: span 1;
}

.item-field-small {
    grid-column: span 1;
}

.item-details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-300);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.item-article,
.item-composition {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-style: italic;
}

/* Calculation Grid */
.calculation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.sum-text-container {
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
}

.sum-text {
    background: transparent;
    border: none;
    font-style: italic;
    color: var(--text-secondary);
}

/* Checkbox Styles */
.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-checkbox-modern {
    display: none;
}

.checkbox-label-modern {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    user-select: none;
}

.checkbox-label-modern:hover {
    color: var(--secondary-color);
}

.checkbox-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-text {
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}

.form-checkbox-modern:checked + .checkbox-label-modern .checkbox-icon {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--white);
}

.form-checkbox-modern:checked + .checkbox-label-modern .checkbox-icon svg {
    opacity: 1;
    transform: scale(1);
}

.form-checkbox-modern:not(:checked) + .checkbox-label-modern .checkbox-icon svg {
    opacity: 0;
    transform: scale(0.8);
}

.form-checkbox-modern:focus + .checkbox-label-modern .checkbox-icon {
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    border-color: var(--secondary-color);
}

.form-help {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

/* Form Actions */
.form-actions {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-add-item {
    background: var(--success-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-add-item:hover {
    background: #229954;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-cancel {
    background: var(--gray-500);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-cancel:hover {
    background: var(--gray-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-save {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-save:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-save-download {
    background: var(--success-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-save-download:hover {
    background: #229954;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design for Check Form */
@media (max-width: 1200px) {
    .item-fields {
        grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    }
    
    .item-field-large {
        grid-column: span 2;
    }
    
    .item-field-medium {
        grid-column: span 1;
    }
    
    .item-field-small {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .page-title {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .form-row-modern {
        grid-template-columns: 1fr;
    }
    
    .item-fields {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .item-field-large,
    .item-field-medium,
    .item-field-small {
        grid-column: span 1;
    }
    
    .calculation-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .btn,
    .btn-add-item,
    .btn-cancel,
    .btn-save,
    .btn-save-download {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .form-sections {
        padding: var(--spacing-md);
    }
    
    .section-content {
        padding: var(--spacing-md);
    }
    
    .page-header {
        padding: var(--spacing-lg);
    }
    
    .page-title h1 {
        font-size: var(--font-size-2xl);
    }
}

/* ===== CHECKS LIST MODERN DESIGN ===== */

/* Search and Filters */
.search-filters-modern {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--gray-200);
}

.filters-form {
    display: flex;
    gap: var(--spacing-lg);
    align-items: end;
    flex-wrap: wrap;
}

.search-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex: 1;
    min-width: 300px;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 2;
}

.search-input {
    padding-left: calc(var(--spacing-md) + 20px + var(--spacing-sm));
}

.btn-search {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-search:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-clear {
    background: var(--gray-500);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-clear:hover {
    background: var(--gray-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 200px;
}

.filter-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

/* Checks Grid */
.checks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.check-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.check-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--secondary-color);
}

.check-card-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(52, 152, 219, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.check-number {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.check-number-badge {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    display: inline-block;
}

.check-date {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.check-status {
    display: flex;
    align-items: center;
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.vat-badge {
    background: var(--success-color);
    color: var(--text-white);
}

.no-vat-badge {
    background: var(--gray-500);
    color: var(--text-white);
}

.check-card-body {
    padding: var(--spacing-lg);
}

.buyer-info {
    margin-bottom: var(--spacing-lg);
}

.buyer-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.buyer-details {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.items-summary {
    margin-bottom: var(--spacing-lg);
}

.item-preview {
    margin-bottom: var(--spacing-md);
}

.item-article {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.color-badge {
    background: var(--secondary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.additional-items {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.quantity-price {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.quantity,
.price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
}

.quantity .label,
.price .label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.quantity .value,
.price .value {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.no-items {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
}

.total-info {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-align: center;
}

.total-amount {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.total-details {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.check-card-footer {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.check-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    flex: 1;
    justify-content: center;
    min-width: 100px;
}

.btn-view {
    background: var(--info-color);
    color: var(--text-white);
}

.btn-view:hover {
    background: #138496;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    color: var(--text-white);
}

.btn-download {
    background: var(--success-color);
    color: var(--text-white);
}

.btn-download:hover {
    background: #229954;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    color: var(--text-white);
}

.btn-edit {
    background: var(--warning-color);
    color: var(--text-white);
}

.btn-edit:hover {
    background: #e67e22;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    color: var(--text-white);
}

.btn-delete {
    background: var(--danger-color);
    color: var(--text-white);
}

.btn-delete:hover {
    background: #c0392b;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.empty-state-icon {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-state-description {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.btn-create-first {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-create-first:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

/* Responsive Design for Checks */
@media (max-width: 1200px) {
    .checks-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .filters-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-group {
        flex-direction: column;
        min-width: auto;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .checks-grid {
        grid-template-columns: 1fr;
    }
    
    .check-actions {
        flex-direction: column;
    }
    
    .btn-action {
        min-width: auto;
    }
    
    .quantity-price {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .check-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .check-status {
        align-self: flex-end;
    }
    
    .empty-state {
        padding: var(--spacing-xl);
    }
    
    .empty-state-title {
        font-size: var(--font-size-lg);
    }
    
    .empty-state-description {
        font-size: var(--font-size-base);
    }
}

/* Print Styles */
@media print {
    .header,
    .btn,
    .pagination {
        display: none;
    }
    
    .container {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .page-header {
        background: none !important;
        color: var(--text-primary) !important;
        box-shadow: none;
    }
    
    .form-section {
        border: 1px solid var(--gray-300);
        box-shadow: none;
    }
    
    .check-card {
        border: 1px solid var(--gray-300);
        box-shadow: none;
        break-inside: avoid;
        margin-bottom: var(--spacing-lg);
    }
    
    .check-actions {
        display: none;
    }
}

/* Custom Checkbox Styles */
.form-check-modern {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check-input-modern {
    display: none;
}

.form-check-label-modern {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    user-select: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-400);
    border-radius: var(--border-radius-sm);
    background: var(--white);
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.form-check-input-modern:checked + .form-check-label-modern .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input-modern:checked + .form-check-label-modern .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-check-input-modern:focus + .form-check-label-modern .checkmark {
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.check-text {
    font-weight: var(--font-weight-medium);
}

/* ===== DOCUMENTS PAGE STYLES ===== */

/* Document Cards */
.document-card {
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.document-card-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(52, 152, 219, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.document-icon {
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    transition: all var(--transition-normal);
}

.document-card:hover .document-icon {
    transform: scale(1.1);
    background: var(--secondary-color);
}

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

.document-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.document-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.document-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-medium);
}

.btn-document {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-document:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design for Documents */
@media (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .document-card-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .document-icon {
        width: 56px;
        height: 56px;
    }
    
    .document-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .stat-number {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .document-card-header {
        padding: var(--spacing-md);
    }
    
    .document-icon {
        width: 48px;
        height: 48px;
    }
    
    .document-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .document-info p {
        font-size: var(--font-size-xs);
    }
}

/* ===== TOOLS PAGE STYLES ===== */

/* Tool Cards */
.tool-card {
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: var(--secondary-color);
}

.tool-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.tool-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-normal);
}

.tool-card:hover .tool-header::before {
    left: 100%;
}

.tool-icon {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
}

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

.tool-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
}

.tool-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.tool-features {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item svg {
    color: var(--success-color);
    flex-shrink: 0;
}

.tool-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
}

.tool-stats .stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tool-stats .stat-number {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
}

.tool-stats .stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-medium);
}

.btn-tool {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.btn-tool::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 var(--transition-normal);
}

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

.btn-tool:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design for Tools */
@media (max-width: 1200px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tool-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .tool-icon {
        width: 56px;
        height: 56px;
    }
    
    .tool-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .tool-stats .stat-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .tool-stats .stat-number {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .tool-header {
        padding: var(--spacing-md);
    }
    
    .tool-icon {
        width: 48px;
        height: 48px;
    }
    
    .tool-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .tool-info p {
        font-size: var(--font-size-xs);
    }
    
    .feature-item {
        font-size: var(--font-size-xs);
    }
}

/* ===== NOMENCLATURE PAGE STYLES ===== */

/* Nomenclature Grid */
.nomenclature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Nomenclature Cards */
.nomenclature-card {
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

.nomenclature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--success-color);
}

.nomenclature-card-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(39, 174, 96, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nomenclature-icon {
    background: var(--success-color);
    color: var(--text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    transition: all var(--transition-normal);
}

.nomenclature-card:hover .nomenclature-icon {
    transform: scale(1.1);
    background: var(--primary-color);
}

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

.nomenclature-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.nomenclature-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.nomenclature-colors {
    margin-bottom: var(--spacing-lg);
}

.colors-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.colors-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.color-badge {
    background: var(--info-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.nomenclature-details {
    margin-bottom: var(--spacing-lg);
}

.nomenclature-details .detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.nomenclature-details .detail-item:last-child {
    margin-bottom: 0;
}

.nomenclature-details .detail-item svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.nomenclature-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nomenclature-actions .btn-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    flex: 1;
    justify-content: center;
    min-width: 100px;
}

/* Responsive Design for Nomenclature */
@media (max-width: 1200px) {
    .nomenclature-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nomenclature-grid {
        grid-template-columns: 1fr;
    }
    
    .nomenclature-card-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .nomenclature-icon {
        width: 56px;
        height: 56px;
    }
    
    .nomenclature-actions {
        flex-direction: column;
    }
    
    .nomenclature-actions .btn-action {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .nomenclature-card-header {
        padding: var(--spacing-md);
    }
    
    .nomenclature-icon {
        width: 48px;
        height: 48px;
    }
    
    .nomenclature-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .nomenclature-info p {
        font-size: var(--font-size-xs);
    }
}

/* ===== CLIENTS PAGE STYLES ===== */

/* Clients Grid */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Client Cards */
.client-card {
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.client-card-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(44, 62, 80, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

.client-icon {
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    transition: all var(--transition-normal);
}

.client-card:hover .client-icon {
    transform: scale(1.1);
    background: var(--secondary-color);
}

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

.client-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.client-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.client-link:hover {
    color: var(--secondary-color);
}

.client-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Removed duplicate potential-badge with absolute positioning */

.client-details {
    margin-bottom: var(--spacing-lg);
}

.client-details .detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.client-details .detail-item:last-child {
    margin-bottom: 0;
}

.client-details .detail-item svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.client-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.client-actions .btn-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    flex: 1;
    justify-content: center;
    min-width: 100px;
}

/* Responsive Design for Clients */
@media (max-width: 1200px) {
    .clients-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .client-card-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .client-icon {
        width: 56px;
        height: 56px;
    }
    
    .potential-badge {
        position: static;
        align-self: center;
    }
    
    .client-actions {
        flex-direction: column;
    }
    
    .client-actions .btn-action {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .client-card-header {
        padding: var(--spacing-md);
    }
    
    .client-icon {
        width: 48px;
        height: 48px;
    }
    
    .client-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .client-info p {
        font-size: var(--font-size-xs);
    }
}

/* ===== CMR PAGE STYLES ===== */

/* CMR Grid */
.cmr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* CMR Cards */
.cmr-card {
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

.cmr-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.cmr-card-header {
    background: linear-gradient(135deg, var(--light-gray), rgba(52, 152, 219, 0.05));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.cmr-icon {
    background: var(--secondary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    transition: all var(--transition-normal);
}

.cmr-card:hover .cmr-icon {
    transform: scale(1.1);
    background: var(--primary-color);
}

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

.cmr-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.cmr-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.cmr-details {
    margin-bottom: var(--spacing-lg);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.detail-item svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.cmr-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cmr-actions .btn-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    flex: 1;
    justify-content: center;
    min-width: 100px;
}

/* Responsive Design for CMR */
@media (max-width: 1200px) {
    .cmr-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .cmr-grid {
        grid-template-columns: 1fr;
    }
    
    .cmr-card-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .cmr-icon {
        width: 56px;
        height: 56px;
    }
    
    .cmr-actions {
        flex-direction: column;
    }
    
    .cmr-actions .btn-action {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .cmr-card-header {
        padding: var(--spacing-md);
    }
    
    .cmr-icon {
        width: 48px;
        height: 48px;
    }
    
    .cmr-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .cmr-info p {
        font-size: var(--font-size-xs);
    }
}

/* ===== MODAL STYLES ===== */

/* Delete Confirmation Modal */
.modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(220, 53, 69, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.modal-icon svg {
    width: 24px;
    height: 24px;
    color: var(--danger-color);
}

.modal-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-xl) 0;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

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

.modal-footer {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    gap: var(--spacing-md);
}

.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 1rem);
}

/* Alert in modal */
.alert {
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

/* Button improvements in modal */
.modal-footer .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.modal-footer .btn-outline-secondary {
    border-color: var(--gray-300);
    color: var(--text-secondary);
}

.modal-footer .btn-outline-secondary:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--text-primary);
}

.modal-footer .btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.modal-footer .btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
}

/* Modal backdrop */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

/* Animation improvements */
.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Responsive modal */
@media (max-width: 576px) {
    .modal-dialog {
        margin: var(--spacing-md);
    }
    
    .modal-header {
        padding: var(--spacing-lg) var(--spacing-lg) 0;
    }
    
    .modal-body {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .modal-footer {
        padding: 0 var(--spacing-lg) var(--spacing-lg);
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== TABLE MODERN STYLES ===== */

/* Modern Table Styles */
.table-modern {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.table-modern thead th {
    background: linear-gradient(135deg, var(--light-gray), rgba(52, 152, 219, 0.05));
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-300);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table-modern tbody td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
    transition: background-color var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: var(--light-gray);
}

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

/* Table Item Styles */
.item-number {
    display: flex;
    align-items: center;
}

.number-badge {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    display: inline-block;
}

.item-date {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.item-receiver,
.item-buyer,
.item-client {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.client-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.client-link:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

.item-place,
.item-full-name,
.item-manager,
.item-inn,
.item-country {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.item-full-name .full-name,
.item-manager .manager-name,
.item-inn .inn-number,
.item-country .country-name {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.item-full-name .full-name:empty::before,
.item-manager .manager-name:empty::before,
.item-inn .inn-number:empty::before,
.item-country .country-name:empty::before {
    content: '-';
    color: var(--text-muted);
    font-style: italic;
}

.item-potential {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 80px;
}

.potential-badge {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 28px;
    padding: 0 6px;
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xs);
    color: var(--text-white);
    text-align: center;
    line-height: 1;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    position: static !important;
    top: auto !important;
    right: auto !important;
    z-index: auto !important;
}

.item-colors {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.colors-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.color-badge {
    background: var(--info-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.color-more {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-style: italic;
}

.no-colors {
    color: var(--text-muted);
    font-style: italic;
}

.item-goods {
    max-width: 200px;
}

.goods-preview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.goods-article {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.goods-color {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.additional-goods {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-style: italic;
}

.no-goods {
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--font-size-sm);
}

.item-sum {
    text-align: right;
}

.sum-amount {
    font-weight: var(--font-weight-bold);
    color: var(--success-color);
    font-size: var(--font-size-lg);
}

.item-vat {
    display: flex;
    align-items: center;
}

.vat-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--success-color);
    color: var(--text-white);
}

.vat-badge.no-vat {
    background: var(--gray-500);
    color: var(--text-white);
}

.item-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.item-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

/* Clients Table Specific Styles */
.table-modern tbody tr td:nth-child(1) { /* Клиент */
    width: 20%;
    min-width: 120px;
}

.table-modern tbody tr td:nth-child(2) { /* Полное наименование */
    width: 25%;
    min-width: 150px;
}

.table-modern tbody tr td:nth-child(3) { /* Менеджер */
    width: 15%;
    min-width: 100px;
}

.table-modern tbody tr td:nth-child(4) { /* ИНН */
    width: 15%;
    min-width: 120px;
}

.table-modern tbody tr td:nth-child(5) { /* Потенциал */
    width: 10%;
    min-width: 80px;
    text-align: center;
    position: relative;
}

.table-modern tbody tr td:nth-child(6) { /* Действия */
    width: 15%;
    min-width: 120px;
    text-align: center;
}

/* Specific styles for potential badge in table */
.table-modern .item-potential .potential-badge {
    position: static !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    bottom: auto !important;
    transform: none !important;
    margin: 0 auto;
}

/* Responsive Table Styles */
@media (max-width: 1200px) {
    .table-modern {
        font-size: var(--font-size-sm);
    }
    
    .table-modern thead th,
    .table-modern tbody td {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .table-responsive {
        border: none;
        box-shadow: none;
    }
    
    .table-modern {
        font-size: var(--font-size-xs);
        border: none;
        box-shadow: none;
    }
    
    .table-modern thead th,
    .table-modern tbody td {
        padding: var(--spacing-sm);
    }
    
    /* Reset column widths for mobile */
    .table-modern tbody tr td:nth-child(1),
    .table-modern tbody tr td:nth-child(2),
    .table-modern tbody tr td:nth-child(3),
    .table-modern tbody tr td:nth-child(4),
    .table-modern tbody tr td:nth-child(5),
    .table-modern tbody tr td:nth-child(6) {
        width: auto;
        min-width: auto;
    }
    
    .item-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .item-actions .btn {
        width: 100%;
        min-width: auto;
    }
    
    .item-goods {
        max-width: 150px;
    }
    
    .goods-preview {
        gap: 2px;
    }
    
    .potential-badge {
        min-width: 35px;
        height: 24px;
        font-size: 10px;
        padding: 0 4px;
    }
}

@media (max-width: 480px) {
    .table-modern thead th,
    .table-modern tbody td {
        padding: var(--spacing-xs);
    }
    
    .number-badge {
        font-size: var(--font-size-xs);
        padding: 2px 6px;
    }
    
    .potential-badge {
        min-width: 40px;
        height: 24px;
        font-size: var(--font-size-xs);
    }
    
    .sum-amount {
        font-size: var(--font-size-base);
    }
    
    .color-badge {
        font-size: 10px;
        padding: 2px 4px;
    }
}