:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: #15151f;
    --bg-hover: #1e1e2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border-color: #2a2a3a;
    --border-hover: #3a3a4a;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

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

.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--accent-primary);
}

.logo svg {
    width: 28px;
    height: 28px;
}

.nav {
    flex: 1;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.server-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.server-item {
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.server-item:hover {
    background: var(--bg-hover);
}

.server-item.active {
    background: var(--accent-primary);
}

.server-name {
    display: block;
    font-weight: 500;
    font-size: 14px;
}

.server-host {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

.server-item.active .server-host {
    color: rgba(255,255,255,0.7);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-btn svg {
    width: 18px;
    height: 18px;
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.auto-refresh {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.toggle {
    position: relative;
    width: 40px;
    height: 22px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: 22px;
    transition: 0.3s;
}

.slider:before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

input:checked + .slider {
    background: var(--accent-primary);
}

input:checked + .slider:before {
    transform: translateX(18px);
}

.last-update {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    position: relative;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.status-badge.online {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.status-badge.offline {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

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

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

.btn-primary svg {
    width: 16px;
    height: 16px;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.metric-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 13px;
}

.metric-header svg {
    width: 18px;
    height: 18px;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.metric-details {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

/* Section Title */
.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Chart Container */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    height: 300px;
}

.chart-container.large {
    height: 500px;
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    font-size: 13px;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

/* Docker */
.docker-summary {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.docker-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px 32px;
    text-align: center;
}

.docker-stat-value {
    display: block;
    font-size: 36px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.docker-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Analysis */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.view-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.analysis-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.analysis-panel h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.analysis-panel pre {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

/* Chat */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.chat-messages {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.chat-message {
    max-width: 80%;
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
}

.chat-message.user {
    background: var(--accent-primary);
    margin-left: auto;
}

.chat-message.assistant {
    background: var(--bg-tertiary);
}

.chat-message p {
    font-size: 14px;
    line-height: 1.6;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.suggestion-btn {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.suggestion-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.chat-input-container {
    display: flex;
    gap: 12px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.chat-input-container input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 14px;
}

.chat-input-container input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.btn-send {
    padding: 14px 18px;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.btn-send svg {
    width: 18px;
    height: 18px;
    color: white;
}

/* Loading */
.loading-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.9);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    z-index: 100;
}

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

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Smart Actions */
.suggestions-panel {
    margin-bottom: 24px;
}

.suggestion-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.suggestion-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.suggestion-card.critical {
    border-color: var(--danger);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), var(--bg-card));
}

.suggestion-card.warning {
    border-color: var(--warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), var(--bg-card));
}

.suggestion-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.suggestion-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.suggestion-card.critical .suggestion-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.suggestion-card.warning .suggestion-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.suggestion-title {
    font-size: 16px;
    font-weight: 600;
}

.suggestion-message {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 14px;
}

.suggestion-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.action-btn.dangerous {
    border-color: rgba(239, 68, 68, 0.3);
}

.action-btn.dangerous:hover {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.action-btn.running {
    opacity: 0.7;
    pointer-events: none;
}

.action-btn .spinner-small {
    width: 14px;
    height: 14px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.all-actions-section {
    margin-top: 32px;
}

.all-actions-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.action-info {
    flex: 1;
}

.action-name {
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 4px;
}

.action-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.action-run-btn {
    padding: 8px 16px;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.action-run-btn:hover {
    background: var(--accent-secondary);
}

.action-run-btn.dangerous {
    background: var(--danger);
}

.action-run-btn.dangerous:hover {
    background: #dc2626;
}

.action-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.action-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.action-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.action-modal-header h3 {
    font-size: 16px;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

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

.action-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.action-modal-body pre {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
    color: var(--text-secondary);
}

.action-result-success {
    color: var(--success);
}

.action-result-error {
    color: var(--danger);
}

/* Responsive */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}