/* Основные стили для Cisco Router Manager */
:root {
    --primary-color: #005073;
    --primary-dark: #003d5c;
    --secondary-color: #00a4e4;
    --accent-color: #ff6b35;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-color: #6c757d;
    --gray-light: #e9ecef;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background-color: var(--gray-light);
    border-radius: 50px;
}

.user-info i {
    font-size: 1.5rem;
    color: var(--gray-color);
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: white;
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.nav-menu ul {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 0.25rem;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.nav-menu a:hover {
    background-color: var(--gray-light);
    color: var(--primary-color);
}

.nav-menu a i {
    width: 20px;
    text-align: center;
}

.nav-menu li.active a {
    background-color: rgba(0, 80, 115, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.system-status {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.system-status h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--gray-color);
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.online {
    background-color: var(--success-color);
}

.status-indicator.warning {
    background-color: var(--warning-color);
}

.status-indicator.offline {
    background-color: var(--danger-color);
}

/* Content Area */
.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.content-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--dark-color);
}

.actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

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

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(0, 80, 115, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--gray-color);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--gray-light);
    border-radius: 3px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 3px;
    width: 0%;
    transition: width 1s ease;
}

/* Main Sections */
.main-sections {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.devices-section, .side-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.section-actions {
    display: flex;
    gap: 1rem;
}

.search-input, .filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.search-input:focus, .filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Table */
.table-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.devices-table {
    width: 100%;
    border-collapse: collapse;
}

.devices-table thead {
    background-color: var(--primary-color);
    color: white;
}

.devices-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

.devices-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.devices-table tbody tr:hover {
    background-color: rgba(0, 80, 115, 0.05);
}

.devices-table td {
    padding: 1rem;
    font-size: 0.9rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.online {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.status-badge.offline {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.status-badge.warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.table-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background-color: var(--gray-light);
    color: var(--gray-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.loading-row td {
    text-align: center;
    padding: 3rem !important;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--gray-color);
}

/* Quick Actions */
.quick-actions, .terminal-section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.quick-actions h3, .terminal-section h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.action-btn {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    text-align: center;
}

.action-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.action-btn i {
    font-size: 1.25rem;
}

/* Terminal */
.terminal-container {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--dark-color);
    color: white;
    font-size: 0.9rem;
}

.terminal-output {
    height: 200px;
    background-color: #1e1e1e;
    color: #f0f0f0;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-y: auto;
    line-height: 1.5;
}

.terminal-line {
    margin-bottom: 0.25rem;
}

.terminal-input {
    display: flex;
    border-top: 1px solid var(--border-color);
}

.terminal-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.terminal-input input:focus {
    outline: none;
}

.terminal-input button {
    padding: 0 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.terminal-input button:hover {
    background-color: var(--primary-dark);
}

/* Footer */
.footer {
    padding: 1.5rem 2rem;
    background-color: white;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-color);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 80, 115, 0.1);
}

/* Responsive */
@media (max-width: 1200px) {
    .main-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 70px;
    }
    
    .nav-menu a span,
    .system-status h3 span,
    .system-status .status-item span:first-child {
        display: none;
    }
    
    .nav-menu a {
        justify-content: center;
        padding: 0.75rem;
    }
    
    .logo h1 {
        display: none;
    }
}

@media (max-width: 768px) {
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .section-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }