/* Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Навигация */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand h2 {
    margin: 0;
    font-size: 1.5rem;
}

.navbar-menu {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background 0.3s;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
}

/* Страница входа */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.login-box h1 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: #333;
}

/* Алерты */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Формы */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.875rem;
}

.form-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-section h2 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

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

/* Дашборд */
.dashboard {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dashboard h1 {
    margin-bottom: 2rem;
    color: #2c3e50;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 3rem;
}

.stat-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-content p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.quick-actions {
    margin-top: 2rem;
}

.quick-actions h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Заголовок страницы */
.page-header {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: #666;
}

/* Таблицы */
.tables-nav {
    background: white;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.table-link {
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.table-link:hover {
    background: #e9ecef;
}

.table-link.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.table-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-form input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.data-table tr:hover {
    background: #f8f9fa;
}

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

.table-info {
    margin-bottom: 1rem;
    color: #666;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* Редактор тарифов */
.plans-editor {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.plan-item {
    background: #f8f9fa;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.plan-item h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.prices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.currency-prices {
    background: white;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.currency-prices h4 {
    margin-bottom: 0.5rem;
    color: #667eea;
}

.price-input {
    margin-bottom: 0.5rem;
}

.price-input label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    color: #666;
}

.price-input input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.required {
    color: #dc3545;
}

/* Адаптивность */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .navbar-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-actions {
        flex-direction: column;
    }
}