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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #dc2626;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --border: #e2e8f0;
    --card-bg: #ffffff;
    --bg: #f1f5f9;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--dark);
    line-height: 1.5;
}

/* Login Page */
.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: 440px;
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

.logo i {
    font-size: 32px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.login-header p {
    color: var(--gray);
    font-size: 14px;
}

/* Убрать после внедрения .toast */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.alert-error {
    background: #fee2e2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group select {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    width: 100%;
}

.form-group select:hover {
    border-color: var(--primary);
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group select:disabled {
    background-color: var(--light);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Checkbox */

.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 16px 0;
    cursor: pointer;
}

/* Стили для опций */

.form-group option {
    padding: 10px;
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
    font-size: 16px;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-primary {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Navbar */
.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.nav-brand i {
    font-size: 24px;
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.logout-btn {
    color: var(--gray);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    transition: color 0.2s;
}

.logout-btn:hover {
    color: var(--danger);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
}

.back-link:hover {
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.search-box input {
    padding: 10px 12px 10px 36px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    width: 260px;
    transition: all 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    width: 320px;
}

.btn-refresh {
    padding: 10px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-refresh:hover {
    background: var(--light);
    border-color: var(--primary);
}

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

.stat-icon.online { background: #d1fae5; color: var(--success); }
.stat-icon.warning { background: #fed7aa; color: var(--warning); }
.stat-icon.offline { background: #fee2e2; color: var(--danger); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 14px;
    color: var(--gray);
}

/* Edges Grid */
.edges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
}

.edge-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.edge-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.edge-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.edge-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.edge-name i {
    font-size: 20px;
    color: var(--primary);
}

.edge-name h3 {
    font-size: 18px;
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.edge-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
}

.edge-status-indicator.online { background: var(--success); box-shadow: 0 0 0 2px #d1fae5; }
.edge-status-indicator.offline { background: var(--danger); }
.edge-status-indicator.degraded { background: var(--warning); }

.edge-info {
    margin-bottom: 16px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 8px;
}

.info-row i {
    width: 20px;
    font-size: 12px;
}

.edge-metrics {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.metric {
    width: 100%;
}

.metric-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 4px;
}

.metric-value {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.metric-value.warning { color: var(--warning); }
.metric-value.info { color: var(--primary); }

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

/* Stats Grid for Edge Details */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card-large {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-card-large .stat-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
    margin-bottom: 12px;
}

.stat-card-large .stat-info {
    margin-bottom: 12px;
}

.stat-card-large .stat-info h3 {
    font-size: 32px;
    font-weight: 700;
    display: inline-block;
}

.stat-card-large .stat-info h3 small {
    font-size: 14px;
    font-weight: 400;
    color: var(--gray);
}

.stat-details {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 12px;
    color: var(--gray);
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.chart-header {
    margin-bottom: 16px;
}

.chart-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Details Card */
.details-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.details-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-item label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item span {
    font-size: 14px;
    font-weight: 500;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 60px;
    color: var(--gray);
}

.loading-spinner i {
    font-size: 40px;
    margin-bottom: 12px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px;
    background: var(--card-bg);
    border-radius: 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 16px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .main-content {
        padding: 20px 16px;
    }
    
    .page-header {
        flex-direction: column;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .search-box input:focus {
        width: 240px;
    }
    
    .edges-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        padding: 24px;
    }
}

/* ============================================
   СПИСОК EDGE СЕРВЕРОВ
   ============================================ */

.edges-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.edge-list-item {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.edge-list-item:hover {
    transform: translateX(4px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Иконка статуса */
.edge-status-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.edge-list-item:hover .edge-status-icon {
    transform: scale(1.05);
}

/* Минимальная информация */
.edge-info-minimal {
    flex: 1;
    min-width: 0;
}

.edge-name {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.edge-name strong {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.edge-location-badge {
    font-size: 11px;
    background: var(--light);
    padding: 2px 8px;
    border-radius: 20px;
    color: var(--gray);
    font-weight: 400;
}

.edge-details-minimal {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--gray);
}

.edge-details-minimal i {
    width: 14px;
    font-size: 11px;
    margin-right: 4px;
    color: var(--primary);
}

/* Метрики в виде чипсов */
.edge-metrics-minimal {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.metric-chip {
    padding: 6px 12px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--light);
    color: var(--gray);
}

.metric-chip i {
    font-size: 12px;
}

.metric-chip.warning {
    background: #fee2e2;
    color: #dc2626;
}

.metric-chip.info {
    background: #fef3c7;
    color: #f59e0b;
}

/* Стрелка */
.edge-arrow {
    color: var(--gray);
    font-size: 14px;
    opacity: 0.5;
    transition: all 0.2s;
    flex-shrink: 0;
}

.edge-list-item:hover .edge-arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--primary);
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    .edge-list-item {
        flex-wrap: wrap;
        padding: 14px 16px;
    }
    
    .edge-status-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .edge-metrics-minimal {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        margin-top: 8px;
        margin-left: 56px;
    }
    
    .edge-arrow {
        order: 2;
    }
    
    .edge-info-minimal {
        order: 1;
    }
    
    .edge-details-minimal {
        gap: 10px;
    }
}

/* ============================================
   КОНФИГУРАЦИЯ
   ============================================ */

/* Бейдж в списке */
.config-warning-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 20px;
    background: #fef3c7;
    color: #f59e0b;
    font-weight: 500;
}

.config-warning-badge i {
    font-size: 10px;
}

/* Кнопка применения конфигурации в списке */
.edge-apply-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--light);
    border: 1px solid var(--border);
    color: var(--gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-right: 8px;
}

.edge-apply-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Секция конфигурации на странице сервера */
.config-section {
    margin-top: 24px;
}

.config-status {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}

.config-info {
    display: flex;
    flex-direction: column;
    row-gap: 1rem;
}

.config-info {
    flex: 1;
}

.config-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
}

.config-indicator.warning {
    background: #fef3c7;
    color: #f59e0b;
}

.config-indicator.normal {
    background: #d1fae5;
    color: #10b981;
}

.config-timestamp {
    font-size: 12px;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-apply-config {
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-apply-config:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}


/* Адаптация для мобильных */
@media (max-width: 768px) {
    .config-status {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn-apply-config {
        width: 100%;
        justify-content: center;
    }
    
}

/* ============================================
   TOAST NOTIFICATIONS (ВСПЛЫВАЮЩИЕ УВЕДОМЛЕНИЯ)
   ============================================ */

.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 350px;
}

.toast {
    background: white;
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideInRight 0.3s ease;
    border-left: 4px solid;
    cursor: pointer;
}

.toast-success {
    border-left-color: #10b981;
}
.toast-success i {
    color: #10b981;
}

.toast-error {
    border-left-color: #dc2626;
}
.toast-error i {
    color: #dc2626;
}

.toast-warning {
    border-left-color: #f59e0b;
}
.toast-warning i {
    color: #f59e0b;
}

.toast-info {
    border-left-color: #3b82f6;
}
.toast-info i {
    color: #3b82f6;
}

.toast-icon {
    font-size: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
    color: #1e293b;
}

.toast-message {
    font-size: 13px;
    color: #64748b;
}

.toast-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: #94a3b8;
    padding: 4px;
}

.toast-close:hover {
    color: #1e293b;
}

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

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

.toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@media (max-width: 768px) {
    .toast-container {
        top: 70px;
        right: 12px;
        left: 12px;
        max-width: none;
    }
    
    .toast {
        padding: 12px 16px;
    }
}