/* Современные стили для MVC приложения с поддержкой светлой и темной тем */

/* ===== СВЕТЛАЯ ТЕМА (ПО УМОЛЧАНИЮ) ===== */
:root {
    /* Основная цветовая палитра */
    --primary-color: #667eea;
    --primary-light: #7c8ef0;
    --primary-lighter: #9bb0f5;
    --primary-dark: #5a67d8;
    --primary-darker: #4c51bf;
    
    /* Дополнительные цвета */
    --secondary-color: #6c757d;
    --secondary-light: #8e9aaf;
    --secondary-dark: #495057;
    
    /* Статусные цвета */
    --success-color: #28a745;
    --success-light: #34ce57;
    --success-dark: #1e7e34;
    --warning-color: #ffc107;
    --warning-light: #ffcd39;
    --warning-dark: #e0a800;
    --danger-color: #dc3545;
    --danger-light: #e55a6b;
    --danger-dark: #c82333;
    --info-color: #17a2b8;
    --info-light: #3db5c7;
    --info-dark: #138496;
    
    /* Светлая тема */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-quaternary: #f1f3f4;
    --text-primary: #2c3e50;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --text-light: #adb5bd;
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-lighter: #f1f3f4;
    
    /* Нейтральные цвета */
    --white: #ffffff;
    --light: #f8f9fa;
    --light-gray: #e9ecef;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --dark: #212529;
    
    /* Современные тени */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    
    /* Скругления */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 50%;
    
    /* Переходы */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Размеры */
    --header-height: 70px;
    --sidebar-width: 280px;

    
    /* Z-index слои */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== ТЕМНАЯ ТЕМА ===== */
[data-theme="dark"] {
    /* Основная цветовая палитра */
    --primary-color: #7c8ef0;
    --primary-light: #9bb0f5;
    --primary-lighter: #b8c7fa;
    --primary-dark: #5a67d8;
    --primary-darker: #4c51bf;
    
    /* Дополнительные цвета */
    --secondary-color: #8e9aaf;
    --secondary-light: #a8b3c4;
    --secondary-dark: #6c757d;
    
    /* Статусные цвета */
    --success-color: #34ce57;
    --success-light: #4dd66b;
    --success-dark: #28a745;
    --warning-color: #ffcd39;
    --warning-light: #ffd65a;
    --warning-dark: #ffc107;
    --danger-color: #e55a6b;
    --danger-light: #e87a87;
    --danger-dark: #dc3545;
    --info-color: #3db5c7;
    --info-light: #5bc4d3;
    --info-dark: #17a2b8;
    
    /* Темная тема */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --bg-quaternary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #e9ecef;
    --text-muted: #adb5bd;
    --text-light: #6c757d;
    --border-color: #404040;
    --border-light: #333333;
    --border-lighter: #2d2d2d;
    
    /* Нейтральные цвета */
    --white: #1a1a1a;
    --light: #2d2d2d;
    --light-gray: #3a3a3a;
    --gray-100: #2d2d2d;
    --gray-200: #3a3a3a;
    --gray-300: #404040;
    --gray-400: #4d4d4d;
    --gray-500: #6c757d;
    --gray-600: #8e9aaf;
    --gray-700: #adb5bd;
    --gray-800: #e9ecef;
    --gray-900: #ffffff;
    --dark: #ffffff;
    
    /* Обновленные тени для темной темы */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2), 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2), 0 10px 10px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
}

/* ===== БАЗОВЫЕ СТИЛИ ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    font-size: 14px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: all 0.3s ease;
}

/* Темная тема для body */
[data-theme="dark"] body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: var(--text-primary);
}

/* ===== НАВИГАЦИЯ ===== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-lg);
    border: none;
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

/* Темная тема для навигации */
[data-theme="dark"] .navbar {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* Переключатель темы */
.theme-toggle {
    background: none !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    margin: 0 0.25rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.theme-toggle:hover {
    color: var(--white) !important;
    background: rgba(255, 255, 255, 0.1) !important;
    transform: translateY(-1px);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

/* Анимация иконки */
.theme-toggle i {
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(15deg);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white) !important;
    text-decoration: none;
    transition: var(--transition-normal);
}

.navbar-brand:hover {
    color: var(--light) !important;
    transform: translateY(-1px);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    margin: 0 0.25rem;
    transition: var(--transition-normal);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--white) !important;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white) !important;
}

/* Dropdown меню */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    background: var(--bg-primary);
    min-width: 200px;
    transition: all 0.3s ease;
}

.dropdown-item {
    padding: 0.875rem 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    transform: translateX(4px);
}

.dropdown-item:active,
.dropdown-item:focus {
    background: var(--primary-dark);
    color: var(--white);
    outline: none;
}

.dropdown-item i {
    width: 16px;
    text-align: center;
}

/* ===== ОСНОВНОЙ КОНТЕЙНЕР ===== */
.main-container {
    max-width: 3400px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: calc(100vh - var(--header-height));
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
    transition: all 0.3s ease;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Темная тема для основного контейнера */
[data-theme="dark"] .main-container {
    background: rgba(45, 45, 45, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

/* ===== КАРТОЧКИ ===== */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    background: var(--bg-primary);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: none;
    padding: 1rem 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.card-body {
    padding: 1.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
}

/* Темная тема для карточек */
[data-theme="dark"] .card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .card-header {
    background: linear-gradient(135deg, #3a3a3a 0%, #2d2d2d 100%);
}

[data-theme="dark"] .card-body {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .card-footer {
    background: var(--bg-tertiary);
    border-top-color: var(--border-color);
    color: var(--text-secondary);
}

/* ===== КНОПКИ ===== */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
}

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

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-dark) 0%, var(--success-color) 100%);
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--warning-light) 100%);
    color: var(--dark);
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-dark) 0%, var(--warning-color) 100%);
    color: var(--dark);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-dark) 0%, var(--danger-color) 100%);
    color: var(--white);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, var(--info-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--info-dark) 0%, var(--info-color) 100%);
    color: var(--white);
}

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

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

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

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

/* Темная тема для кнопок */
[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #4a4a4a 0%, #3a3a3a 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-primary:hover {
    background: linear-gradient(135deg, #5a5a5a 0%, #4a4a4a 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-success {
    background: linear-gradient(135deg, #2d5a2d 0%, #1e3a1e 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-success:hover {
    background: linear-gradient(135deg, #3d6a3d 0%, #2d5a2d 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-warning {
    background: linear-gradient(135deg, #8b6914 0%, #6b4f0a 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-warning:hover {
    background: linear-gradient(135deg, #a67c1a 0%, #8b6914 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-danger {
    background: linear-gradient(135deg, #8b2635 0%, #6b1d2a 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-danger:hover {
    background: linear-gradient(135deg, #a62d3f 0%, #8b2635 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-info {
    background: linear-gradient(135deg, #0d6b7a 0%, #0a4d5a 100%);
    color: var(--white);
}

[data-theme="dark"] .btn-info:hover {
    background: linear-gradient(135deg, #138496 0%, #0d6b7a 100%);
    color: var(--white);
}

/* ===== ТАБЛИЦЫ ===== */
.table {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--bg-primary);
    margin-bottom: 0;
    border: 1px solid var(--border-color);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: none;
    font-weight: 700;
    padding: 1.25rem 1rem;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-align: center;
    position: relative;
}

.table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: var(--bg-secondary);
    transform: scale(1.01);
}

.table tbody tr:hover td {
    color: var(--text-primary);
    font-weight: 500;
}

/* Темная тема для таблиц */
[data-theme="dark"] .table {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .table thead th {
    background: linear-gradient(135deg, #3a3a3a 0%, #2d2d2d 100%);
    color: var(--white);
}

[data-theme="dark"] .table tbody td {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* ===== ФОРМЫ ===== */
.form-control {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    box-shadow: none;
}

.form-control:focus {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* Темная тема для форм */
[data-theme="dark"] .form-control {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .form-label {
    color: var(--text-primary);
}

[data-theme="dark"] .form-text {
    color: var(--text-muted);
}

/* ===== МОДАЛЬНЫЕ ОКНА ===== */
.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-body {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 1.5rem;
}

.modal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
}

/* Темная тема для модальных окон */
[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-header {
    background: linear-gradient(135deg, #3a3a3a 0%, #2d2d2d 100%);
}

[data-theme="dark"] .modal-body {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-footer {
    background: var(--bg-tertiary);
    border-top-color: var(--border-color);
    color: var(--text-secondary);
}

/* ===== АЛЕРТЫ ===== */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
    border-left: 4px solid;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left-color: #28a745;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left-color: #ffc107;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left-color: #dc3545;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left-color: #17a2b8;
}

/* Темная тема для алертов */
[data-theme="dark"] .alert-success {
    background: linear-gradient(135deg, #1e3a1e 0%, #2d5a2d 100%);
    color: #34ce57;
    border-left-color: #28a745;
}

[data-theme="dark"] .alert-warning {
    background: linear-gradient(135deg, #8b6914 0%, #a67c1a 100%);
    color: #ffcd39;
    border-left-color: #ffc107;
}

[data-theme="dark"] .alert-danger {
    background: linear-gradient(135deg, #8b2635 0%, #a62d3f 100%);
    color: #e55a6b;
    border-left-color: #dc3545;
}

[data-theme="dark"] .alert-info {
    background: linear-gradient(135deg, #0d6b7a 0%, #138496 100%);
    color: #3db5c7;
    border-left-color: #17a2b8;
}

/* ===== ФУТЕР ===== */
footer {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Темная тема для футера */
[data-theme="dark"] footer {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    color: var(--text-secondary);
    border-top-color: var(--border-color);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .main-container {
        margin: 10px;
        padding: 1rem;
        border-radius: 10px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table thead th {
        padding: 0.75rem 0.5rem;
    }
    
    .table tbody td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .main-container {
        margin: 5px;
        padding: 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
}

/* ===== АНИМАЦИИ ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ===== УТИЛИТЫ ===== */
.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

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

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--bg-secondary) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.shadow-xl {
    box-shadow: var(--shadow-xl) !important;
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Темная тема для скроллбара */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ===== RESPONSIVE DESIGN ===== */

/* 8K UHD 7680×4320 (16:9) - Самые большие экраны */
@media (min-width: 7680px) {
    .container, .container-fluid {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .navbar {
        padding: 2rem 3rem;
    }
    
    .navbar-brand {
        font-size: 2.5rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 1.5rem;
        padding: 1rem 1.5rem;
    }
    
    .card {
        border-radius: 1rem;
        box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    }
    
    .card-header {
        padding: 2rem 2.5rem;
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 2.5rem;
    }
    
    .btn {
        font-size: 1.25rem;
        padding: 1rem 2rem;
        border-radius: 0.75rem;
    }
    
    .btn-sm {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .btn-lg {
        font-size: 1.5rem;
        padding: 1.25rem 2.5rem;
    }
    
    .form-control {
        font-size: 1.25rem;
        padding: 1rem 1.25rem;
        border-radius: 0.75rem;
    }
    
    .table {
        font-size: 1.25rem;
    }
    
    .table th, .table td {
        padding: 1.5rem;
    }
    
    h1 { font-size: 3.5rem; }
    h2 { font-size: 3rem; }
    h3 { font-size: 2.5rem; }
    h4 { font-size: 2rem; }
    h5 { font-size: 1.75rem; }
    h6 { font-size: 1.5rem; }
    
    .modal-dialog {
        max-width: 1200px;
    }
    
    .modal-header {
        padding: 2rem 2.5rem;
    }
    
    .modal-body {
        padding: 2.5rem;
    }
    
    .modal-footer {
        padding: 2rem 2.5rem;
    }
}

/* 4K UHD 3840×2160 (16:9) */
@media (min-width: 3840px) and (max-width: 7679px) {
    .container, .container-fluid {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .navbar {
        padding: 1.5rem 2.5rem;
    }
    
    .navbar-brand {
        font-size: 2rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 1.25rem;
        padding: 0.75rem 1.25rem;
    }
    
    .card {
        border-radius: 0.75rem;
        box-shadow: 0 6px 24px rgba(0,0,0,0.08);
    }
    
    .card-header {
        padding: 1.5rem 2rem;
        font-size: 1.25rem;
    }
    
    .card-body {
        padding: 2rem;
    }
    
    .btn {
        font-size: 1.125rem;
        padding: 0.875rem 1.75rem;
        border-radius: 0.625rem;
    }
    
    .btn-sm {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
    }
    
    .btn-lg {
        font-size: 1.25rem;
        padding: 1rem 2rem;
    }
    
    .form-control {
        font-size: 1.125rem;
        padding: 0.875rem 1.125rem;
        border-radius: 0.625rem;
    }
    
    .table {
        font-size: 1.125rem;
    }
    
    .table th, .table td {
        padding: 1.25rem;
    }
    
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 2rem; }
    h4 { font-size: 1.75rem; }
    h5 { font-size: 1.5rem; }
    h6 { font-size: 1.25rem; }
    
    .modal-dialog {
        max-width: 1000px;
    }
    
    .modal-header {
        padding: 1.5rem 2rem;
    }
    
    .modal-body {
        padding: 2rem;
    }
    
    .modal-footer {
        padding: 1.5rem 2rem;
    }
}

/* UWQHD 3100×1440 (21:9) - Ультраширокие мониторы */
@media (min-width: 3100px) and (max-width: 3839px) {
    .container, .container-fluid {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .navbar {
        padding: 1.25rem 2rem;
    }
    
    .navbar-brand {
        font-size: 1.75rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 1.125rem;
        padding: 0.625rem 1rem;
    }
    
    .card {
        border-radius: 0.625rem;
        box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }
    
    .card-header {
        padding: 1.25rem 1.75rem;
        font-size: 1.125rem;
    }
    
    .card-body {
        padding: 1.75rem;
    }
    
    .btn {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
        border-radius: 0.5rem;
    }
    
    .btn-sm {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .btn-lg {
        font-size: 1.125rem;
        padding: 0.875rem 1.75rem;
    }
    
    .form-control {
        font-size: 1rem;
        padding: 0.75rem 1rem;
        border-radius: 0.5rem;
    }
    
    .table {
        font-size: 1rem;
    }
    
    .table th, .table td {
        padding: 1rem;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    h4 { font-size: 1.5rem; }
    h5 { font-size: 1.25rem; }
    h6 { font-size: 1.125rem; }
    
    .modal-dialog {
        max-width: 800px;
    }
    
    .modal-header {
        padding: 1.25rem 1.75rem;
    }
    
    .modal-body {
        padding: 1.75rem;
    }
    
    .modal-footer {
        padding: 1.25rem 1.75rem;
    }
}

/* WQHD 2560×1440 (16:9) */
@media (min-width: 2560px) and (max-width: 3099px) {
    .container, .container-fluid {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .navbar {
        padding: 1rem 1.75rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 1rem;
        padding: 0.5rem 0.875rem;
    }
    
    .card {
        border-radius: 0.5rem;
        box-shadow: 0 3px 16px rgba(0,0,0,0.05);
    }
    
    .card-header {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
        border-radius: 0.375rem;
    }
    
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .form-control {
        font-size: 0.875rem;
        padding: 0.625rem 0.875rem;
        border-radius: 0.375rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th, .table td {
        padding: 0.875rem;
    }
    
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    h5 { font-size: 1.125rem; }
    h6 { font-size: 1rem; }
    
    .modal-dialog {
        max-width: 700px;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .modal-footer {
        padding: 1rem 1.5rem;
    }
}

/* Full HD 1920×1080 (16:9) */
@media (min-width: 1920px) and (max-width: 2559px) {
    .container, .container-fluid {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .navbar {
        padding: 0.875rem 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    .card {
        border-radius: 0.375rem;
        box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    }
    
    .card-header {
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
        border-radius: 0.25rem;
    }
    
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .form-control {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
        border-radius: 0.25rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th, .table td {
        padding: 0.75rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.375rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }
    
    .modal-dialog {
        max-width: 600px;
    }
    
    .modal-header {
        padding: 0.875rem 1.25rem;
    }
    
    .modal-body {
        padding: 1.25rem;
    }
    
    .modal-footer {
        padding: 0.875rem 1.25rem;
    }
}

/* WXGA 1366×768 (16:9) */
@media (min-width: 1366px) and (max-width: 1919px) {
    .navbar {
        padding: 0.75rem 1.25rem;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.8125rem;
        padding: 0.4375rem 0.625rem;
    }
    
    .card {
        border-radius: 0.3125rem;
        box-shadow: 0 1.5px 10px rgba(0,0,0,0.03);
    }
    
    .card-header {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        font-size: 0.8125rem;
        padding: 0.4375rem 0.875rem;
        border-radius: 0.1875rem;
    }
    
    .btn-sm {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.4375rem;
    }
    
    .btn-lg {
        font-size: 0.9375rem;
        padding: 0.625rem 1.25rem;
    }
    
    .form-control {
        font-size: 0.8125rem;
        padding: 0.4375rem 0.625rem;
        border-radius: 0.1875rem;
    }
    
    .table {
        font-size: 0.8125rem;
    }
    
    .table th, .table td {
        padding: 0.625rem;
    }
    
    h1 { font-size: 1.375rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    h4 { font-size: 1rem; }
    h5 { font-size: 0.875rem; }
    h6 { font-size: 0.8125rem; }
    
    .modal-dialog {
        max-width: 550px;
    }
    
    .modal-header {
        padding: 0.75rem 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        padding: 0.75rem 1rem;
    }
}

/* HD 1280×720 (16:9) */
@media (min-width: 1280px) and (max-width: 1365px) {
    .navbar {
        padding: 0.625rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.75rem;
        padding: 0.375rem 0.5rem;
    }
    
    .card {
        border-radius: 0.25rem;
        box-shadow: 0 1px 8px rgba(0,0,0,0.025);
    }
    
    .card-header {
        padding: 0.625rem 0.875rem;
        font-size: 0.75rem;
    }
    
    .card-body {
        padding: 0.875rem;
    }
    
    .btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
        border-radius: 0.125rem;
    }
    
    .btn-sm {
        font-size: 0.625rem;
        padding: 0.125rem 0.375rem;
    }
    
    .btn-lg {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .form-control {
        font-size: 0.75rem;
        padding: 0.375rem 0.5rem;
        border-radius: 0.125rem;
    }
    
    .table {
        font-size: 0.75rem;
    }
    
    .table th, .table td {
        padding: 0.5rem;
    }
    
    h1 { font-size: 1.25rem; }
    h2 { font-size: 1.125rem; }
    h3 { font-size: 1rem; }
    h4 { font-size: 0.875rem; }
    h5 { font-size: 0.8125rem; }
    h6 { font-size: 0.75rem; }
    
    .modal-dialog {
        max-width: 500px;
    }
    
    .modal-header {
        padding: 0.625rem 0.875rem;
    }
    
    .modal-body {
        padding: 0.875rem;
    }
    
    .modal-footer {
        padding: 0.625rem 0.875rem;
    }
}

/* Планшеты (768px - 1279px) */
@media (min-width: 768px) and (max-width: 1279px) {
    .container, .container-fluid {
        padding: 0 1rem;
    }
    
    .navbar {
        padding: 0.5rem 0.75rem;
    }
    
    .navbar-brand {
        font-size: 0.875rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.6875rem;
        padding: 0.3125rem 0.4375rem;
    }
    
    .card {
        border-radius: 0.1875rem;
        box-shadow: 0 0.5px 6px rgba(0,0,0,0.02);
    }
    
    .card-header {
        padding: 0.5rem 0.75rem;
        font-size: 0.6875rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .btn {
        font-size: 0.6875rem;
        padding: 0.3125rem 0.625rem;
        border-radius: 0.0625rem;
    }
    
    .btn-sm {
        font-size: 0.5625rem;
        padding: 0.0625rem 0.3125rem;
    }
    
    .btn-lg {
        font-size: 0.8125rem;
        padding: 0.4375rem 0.875rem;
    }
    
    .form-control {
        font-size: 0.6875rem;
        padding: 0.3125rem 0.4375rem;
        border-radius: 0.0625rem;
    }
    
    .table {
        font-size: 0.6875rem;
    }
    
    .table th, .table td {
        padding: 0.4375rem;
    }
    
    h1 { font-size: 1.125rem; }
    h2 { font-size: 1rem; }
    h3 { font-size: 0.875rem; }
    h4 { font-size: 0.8125rem; }
    h5 { font-size: 0.75rem; }
    h6 { font-size: 0.6875rem; }
    
    .modal-dialog {
        max-width: 450px;
    }
    
    .modal-header {
        padding: 0.5rem 0.75rem;
    }
    
    .modal-body {
        padding: 0.75rem;
    }
    
    .modal-footer {
        padding: 0.5rem 0.75rem;
    }
}

/* Мобильные устройства (до 767px) */
@media (max-width: 767px) {
    .container, .container-fluid {
        padding: 0 0.75rem;
    }
    
    .navbar {
        padding: 0.375rem 0.5rem;
    }
    
    .navbar-brand {
        font-size: 0.75rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.625rem;
        padding: 0.25rem 0.375rem;
    }
    
    .card {
        border-radius: 0.125rem;
        box-shadow: 0 0.25px 4px rgba(0,0,0,0.015);
    }
    
    .card-header {
        padding: 0.375rem 0.5rem;
        font-size: 0.625rem;
    }
    
    .card-body {
        padding: 0.5rem;
    }
    
    .btn {
        font-size: 0.625rem;
        padding: 0.25rem 0.5rem;
        border-radius: 0.03125rem;
    }
    
    .btn-sm {
        font-size: 0.5rem;
        padding: 0.03125rem 0.25rem;
    }
    
    .btn-lg {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .form-control {
        font-size: 0.625rem;
        padding: 0.25rem 0.375rem;
        border-radius: 0.03125rem;
    }
    
    .table {
        font-size: 0.625rem;
    }
    
    .table th, .table td {
        padding: 0.375rem;
    }
    
    h1 { font-size: 1rem; }
    h2 { font-size: 0.875rem; }
    h3 { font-size: 0.8125rem; }
    h4 { font-size: 0.75rem; }
    h5 { font-size: 0.6875rem; }
    h6 { font-size: 0.625rem; }
    
    .modal-dialog {
        max-width: 400px;
        margin: 0.5rem;
    }
    
    .modal-header {
        padding: 0.375rem 0.5rem;
    }
    
    .modal-body {
        padding: 0.5rem;
    }
    
    .modal-footer {
        padding: 0.375rem 0.5rem;
    }
    
    /* Специальные стили для мобильных устройств */
    .navbar-toggler {
        padding: 0.25rem 0.375rem;
        font-size: 0.75rem;
    }
    
    .dropdown-menu {
        font-size: 0.625rem;
    }
    
    .dropdown-item {
        padding: 0.25rem 0.5rem;
    }
    
    .alert {
        font-size: 0.625rem;
        padding: 0.375rem 0.5rem;
    }
    
    .badge {
        font-size: 0.5rem;
        padding: 0.125rem 0.25rem;
    }
    
    .progress {
        height: 0.5rem;
    }
    
    .progress-bar {
        font-size: 0.5rem;
    }
}

/* Очень маленькие мобильные устройства (до 480px) */
@media (max-width: 480px) {
    .container, .container-fluid {
        padding: 0 0.5rem;
    }
    
    .navbar {
        padding: 0.25rem 0.375rem;
    }
    
    .navbar-brand {
        font-size: 0.6875rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.5625rem;
        padding: 0.1875rem 0.3125rem;
    }
    
    .card {
        border-radius: 0.0625rem;
        box-shadow: 0 0.125px 2px rgba(0,0,0,0.01);
    }
    
    .card-header {
        padding: 0.25rem 0.375rem;
        font-size: 0.5625rem;
    }
    
    .card-body {
        padding: 0.375rem;
    }
    
    .btn {
        font-size: 0.5625rem;
        padding: 0.1875rem 0.375rem;
        border-radius: 0.015625rem;
    }
    
    .btn-sm {
        font-size: 0.4375rem;
        padding: 0.015625rem 0.1875rem;
    }
    
    .btn-lg {
        font-size: 0.6875rem;
        padding: 0.3125rem 0.625rem;
    }
    
    .form-control {
        font-size: 0.5625rem;
        padding: 0.1875rem 0.3125rem;
        border-radius: 0.015625rem;
    }
    
    .table {
        font-size: 0.5625rem;
    }
    
    .table th, .table td {
        padding: 0.3125rem;
    }
    
    h1 { font-size: 0.875rem; }
    h2 { font-size: 0.8125rem; }
    h3 { font-size: 0.75rem; }
    h4 { font-size: 0.6875rem; }
    h5 { font-size: 0.625rem; }
    h6 { font-size: 0.5625rem; }
    
    .modal-dialog {
        max-width: 350px;
        margin: 0.25rem;
    }
    
    .modal-header {
        padding: 0.25rem 0.375rem;
    }
    
    .modal-body {
        padding: 0.375rem;
    }
    
    .modal-footer {
        padding: 0.25rem 0.375rem;
    }
}