/* Основные переменные для темной темы */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --accent-primary: #007aff;
    --accent-secondary: #5856d6;
    --success: #34c759;
    --warning: #ff9500;
    --error: #ff3b30;
    --border: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
}
.filter-row {
    margin-bottom: 1rem;
    display: flex;
    gap: 8px;
}
/* Сброс стилей */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Контейнер приложения */
#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Экраны */
.screen {
    display: none;
    flex: 1;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Экран загрузки */
#loading-screen {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.loading-container {
    text-align: center;
    padding: 2rem;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Экран ошибки */
#access-denied-screen {
    justify-content: center;
    align-items: center;
    background-color: var(--bg-primary);
}

.error-container {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* Навигация */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand h1 {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#user-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Основной контент */
.main-content {
    flex: 1;
    padding: 1rem;
    padding-bottom: 80px; /* Отступ для нижней навигации */
    overflow-y: auto;
}

.content-section {
    display: none;
}

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

/* Заголовки секций */
.section-header, .dashboard-header, .profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2, .dashboard-header h2, .profile-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

/* Статистические карточки */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.8;
}

.stat-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Секции дашборда */
.dashboard-section {
    margin-bottom: 2rem;
}

.dashboard-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Топ список */
.top-list {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.top-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.top-item:last-child {
    border-bottom: none;
}

.top-item-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.top-rank {
    background-color: var(--accent-primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.top-name {
    font-weight: 500;
}

.top-count {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Списки лицензий */
.license-list, .seller-list, .admin-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.license-item, .seller-item, .admin-item {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.license-item:hover, .seller-item:hover, .admin-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--shadow);
}

.license-header, .seller-header, .admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.license-title, .seller-title, .admin-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.license-id {
    background-color: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.license-details, .seller-details, .admin-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-weight: 500;
    word-break: break-all;
}

.license-actions, .seller-actions, .admin-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Поиск */
.search-container {
    margin-bottom: 1.5rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Пагинация */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination button:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
}

.pagination button.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

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

/* Профиль */
.profile-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background-color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.profile-details h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.profile-details p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.profile-stats h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    font-weight: 600;
    color: var(--accent-primary);
}

/* Кнопки */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

.btn-success:hover {
    background-color: #28a745;
}

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

.btn-warning:hover {
    background-color: #e68900;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-icon:hover {
    background-color: var(--bg-tertiary);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Нижняя навигация */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s ease;
    min-width: 60px;
}

.nav-item.active {
    color: var(--accent-primary);
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-icon {
    font-size: 1.2rem;
}

.nav-label {
    font-size: 0.7rem;
    font-weight: 500;
}

/* Модальные окна */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    display: none;
}

.modal.active {
    display: block;
}

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

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.modal-body {
    padding: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

/* Адаптивность */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .license-details, .seller-details, .admin-details {
        grid-template-columns: 1fr;
    }
    
    .license-actions, .seller-actions, .admin-actions {
        flex-direction: column;
    }
    
    .profile-info {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .nav-label {
        display: none;
    }
    
    .bottom-nav {
        padding: 0.75rem 0;
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.license-item, .seller-item, .admin-item, .stat-card {
    animation: fadeIn 0.3s ease;
}

/* Утилиты */
.text-center {
    text-align: center;
}

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

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

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

.text-error {
    color: var(--error);
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.hidden {
    display: none !important;
}