:root {
      --bg-primary: #0a0e1a;
      --bg-secondary: #111827;
      --bg-card: #1a2035;
      --bg-card-hover: #1f2847;
      --bg-input: #0d1220;
      --border: #1e293b;
      --border-focus: #6366f1;
      --text-primary: #f1f5f9;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --accent: #6366f1;
      --accent-hover: #818cf8;
      --accent-glow: rgba(99, 102, 241, 0.15);
      --success: #10b981;
      --success-bg: rgba(16, 185, 129, 0.1);
      --warning: #f59e0b;
      --warning-bg: rgba(245, 158, 11, 0.1);
      --danger: #ef4444;
      --danger-bg: rgba(239, 68, 68, 0.1);
      --info: #3b82f6;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
      --transition: all 0.2s ease;
    }

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

    body {
      font-family: 'Inter', -apple-system, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      min-height: 100vh;
      line-height: 1.6;
    }

    /* ================================ LAYOUT ================================ */
    .app {
      max-width: 1200px;
      margin: 0 auto;
      padding: 24px;
    }

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

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

    .header-logo {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--accent), #a855f7);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
    }

    .header h1 {
      font-size: 24px;
      font-weight: 700;
      background: linear-gradient(135deg, #f1f5f9, #94a3b8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .header-subtitle {
      font-size: 13px;
      color: var(--text-muted);
    }

    .installer-version-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 2px 8px;
      border-radius: 999px;
      border: 1px solid rgba(99, 102, 241, 0.3);
      background: rgba(99, 102, 241, 0.08);
      color: var(--accent-hover);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.03em;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .header-sub {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    /* Alias legacy */
    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,0.03);
      color: var(--text-secondary);
      font-size: 12px;
    }

    .pill.ok { border-color: rgba(16,185,129,0.25); color: #86efac; }
    .pill.warning { border-color: rgba(245,158,11,0.25); color: #fcd34d; }
    .pill.error { border-color: rgba(239,68,68,0.25); color: #fca5a5; }

    /* ================================ BUTTONS ================================ */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      border: none;
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
    }

    .btn-primary {
      background: var(--accent);
      color: white;
      box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
      transform: translateY(-1px);
    }

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

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

    .btn-danger {
      background: var(--danger-bg);
      color: var(--danger);
      border: 1px solid rgba(239, 68, 68, 0.2);
    }

    .btn-danger:hover {
      background: rgba(239, 68, 68, 0.2);
    }

    .btn-sm {
      padding: 6px 12px;
      font-size: 12px;
    }

    .btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none !important;
    }

    .btn-success {
      background: var(--success-bg);
      color: var(--success);
      border: 1px solid rgba(16, 185, 129, 0.2);
    }

    .btn-success:hover {
      background: rgba(16, 185, 129, 0.2);
    }

    .btn-info {
      background: rgba(59, 130, 246, 0.1);
      color: var(--info);
      border: 1px solid rgba(59, 130, 246, 0.2);
    }

    .btn-info:hover {
      background: rgba(59, 130, 246, 0.2);
    }

    .btn-accent {
      background: rgba(99, 102, 241, 0.12);
      color: var(--accent-hover);
      border: 1px solid rgba(99, 102, 241, 0.25);
    }

    .btn-accent:hover {
      background: rgba(99, 102, 241, 0.22);
    }

    .btn-icon {
      padding: 6px 8px;
      gap: 0;
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid transparent;
    }

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

    /* ================================ TOOLBAR ================================ */
    .toolbar {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 6px 12px;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
    }

    .toolbar-group {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .toolbar-sep {
      width: 1px;
      height: 18px;
      background: var(--border);
      margin: 0 8px;
      flex-shrink: 0;
    }

    .toolbar-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      background: transparent;
      border: 1px solid transparent;
      border-radius: 6px;
      color: var(--text-secondary);
      font-family: inherit;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

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

    .toolbar-btn:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    .toolbar-btn svg {
      flex-shrink: 0;
      opacity: 0.8;
    }

    .toolbar-btn-danger {
      color: var(--danger);
      opacity: 0.7;
    }

    .toolbar-btn-danger:hover {
      background: var(--danger-bg);
      border-color: rgba(239, 68, 68, 0.2);
      color: var(--danger);
      opacity: 1;
    }

    /* ================================ GIT PANEL ================================ */
    .git-info {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .git-version-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid rgba(99, 102, 241, 0.3);
      background: rgba(99, 102, 241, 0.08);
      color: var(--accent-hover);
      font-size: 12px;
      font-weight: 500;
    }

    .client-version {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-top: 6px;
      padding: 5px 10px;
      border-radius: 8px;
      font-size: 12px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.06);
      color: var(--text-secondary);
    }
    .client-version .ver-label { opacity: 0.6; }
    .client-version .ver-value { font-weight: 500; color: var(--text-primary); }
    .client-version .ver-date { margin-left: auto; opacity: 0.5; font-size: 11px; }
    .client-version .ver-outdated {
      display: inline-block;
      margin-left: 6px;
      padding: 1px 7px;
      border-radius: 999px;
      font-size: 10px;
      font-weight: 600;
      background: rgba(255,193,7,0.15);
      color: #ffc107;
      border: 1px solid rgba(255,193,7,0.25);
    }
    .client-version .ver-current {
      display: inline-block;
      margin-left: 6px;
      padding: 1px 7px;
      border-radius: 999px;
      font-size: 10px;
      font-weight: 600;
      background: rgba(16,185,129,0.15);
      color: #10b981;
      border: 1px solid rgba(16,185,129,0.25);
    }

    .ssl-badge {
      font-size: 14px;
      cursor: default;
    }
    .ssl-badge.ssl-ok { opacity: 1; }
    .ssl-badge.ssl-partial { opacity: 0.7; }
    .ssl-badge.ssl-off { opacity: 0.5; }

    .git-modal-section {
      margin-bottom: 20px;
    }

    .git-modal-section h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .git-status-grid {
      display: grid;
      grid-template-columns: 100px 1fr;
      gap: 8px 16px;
      font-size: 13px;
    }

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

    .git-status-value {
      color: var(--text-primary);
      word-break: break-all;
    }

    .git-pull-result {
      background: var(--bg-input);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 12px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
      color: var(--text-secondary);
      max-height: 150px;
      overflow-y: auto;
      white-space: pre-wrap;
      margin-top: 8px;
    }

    .tag-list {
      max-height: 320px;
      overflow-y: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .tag-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-bottom: 1px solid var(--border);
      transition: background 0.15s;
    }

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

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

    .tag-item-info {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .tag-item-name {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .tag-item-date {
      font-size: 11px;
      color: var(--text-muted);
    }

    .tag-item-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tag-badge-current {
      display: inline-flex;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 600;
      background: var(--success-bg);
      color: var(--success);
      border: 1px solid rgba(16, 185, 129, 0.3);
    }

    .tag-empty {
      padding: 24px;
      text-align: center;
      color: var(--text-muted);
      font-size: 13px;
    }

    .git-footer-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 12px;
      padding: 10px;
      background: var(--warning-bg);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(245, 158, 11, 0.15);
    }

    /* ================================ STATUS BAR ================================ */
    .status-bar {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 10px;
      margin-bottom: 24px;
    }

    .status-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      background: var(--bg-card);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .status-dot.ok { background: var(--success); box-shadow: 0 0 8px rgba(16, 185, 129, 0.4); }
    .status-dot.warning { background: var(--warning); box-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
    .status-dot.error { background: var(--danger); box-shadow: 0 0 8px rgba(239, 68, 68, 0.4); }
    .status-dot.loading {
      background: var(--text-muted);
      animation: pulse 1.5s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    .status-label {
      font-size: 12px;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .status-value {
      font-size: 13px;
      font-weight: 500;
    }

    /* ================================ CARDS GRID ================================ */
    .clients-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 14px;
      margin-bottom: 24px;
    }

    .client-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 18px 20px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .client-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
    }

    .client-card.healthy::before { background: linear-gradient(90deg, var(--success), #34d399); }
    .client-card.partial::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
    .client-card.down::before { background: linear-gradient(90deg, var(--danger), #f87171); }
    .client-card.unknown::before { background: linear-gradient(90deg, var(--text-muted), #475569); }

    .client-card:hover {
      border-color: var(--border-focus);
      box-shadow: 0 0 0 1px var(--border-focus), var(--shadow);
      transform: translateY(-2px);
    }

    .client-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .client-name {
      font-size: 16px;
      font-weight: 600;
    }

    .client-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .badge-healthy { background: var(--success-bg); color: var(--success); }
    .badge-partial { background: var(--warning-bg); color: var(--warning); }
    .badge-down { background: var(--danger-bg); color: var(--danger); }
    .badge-unknown { background: rgba(100, 116, 139, 0.1); color: var(--text-muted); }

    .client-services {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-bottom: 10px;
    }

    .service-chip {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 8px;
      background: var(--bg-input);
      border-radius: 6px;
      font-size: 11px;
      color: var(--text-secondary);
      font-family: 'JetBrains Mono', monospace;
    }

    .service-chip .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
    }

    .service-chip .dot.ok { background: var(--success); }
    .service-chip .dot.err { background: var(--danger); }

    .client-urls {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 10px;
    }

    .client-url {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .client-url a {
      color: var(--accent);
      text-decoration: none;
    }

    .client-url a:hover {
      text-decoration: underline;
    }

    .client-actions {
      display: flex;
      gap: 6px;
      padding-top: 12px;
      margin-top: auto;
      border-top: 1px solid var(--border);
      flex-wrap: wrap;
    }

    /* ================================ EMPTY STATE ================================ */
    .empty-state {
      text-align: center;
      padding: 80px 24px;
      color: var(--text-muted);
    }

    .empty-state-icon {
      font-size: 48px;
      margin-bottom: 16px;
      opacity: 0.5;
    }

    .empty-state h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    .empty-state p {
      font-size: 14px;
      margin-bottom: 24px;
    }

    /* ================================ MODAL ================================ */
    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(4px);
      z-index: 1000;
      align-items: center;
      justify-content: center;
    }

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

    .modal {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      width: 90%;
      max-width: 620px;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
      animation: modalIn 0.2s ease;
    }

    @keyframes modalIn {
      from { opacity: 0; transform: translateY(20px) scale(0.97); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

    .modal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 24px 28px 16px;
      border-bottom: 1px solid var(--border);
    }

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

    .modal-close {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: none;
      background: transparent;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 18px;
      transition: var(--transition);
    }

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

    .modal-body {
      padding: 24px 28px;
    }

    .modal-footer {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      padding: 16px 28px 24px;
      border-top: 1px solid var(--border);
    }

    /* ================================ FORM ================================ */
    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 6px;
      color: var(--text-secondary);
    }

    .form-hint {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .form-input {
      width: 100%;
      padding: 10px 14px;
      background: var(--bg-input);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text-primary);
      font-family: inherit;
      font-size: 14px;
      transition: var(--transition);
    }

    .form-input:focus {
      outline: none;
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }

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

    .form-preview {
      margin-top: 16px;
      padding: 16px;
      background: var(--bg-input);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
    }

    .form-preview h4 {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .preview-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 4px 0;
      font-size: 13px;
    }

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

    .preview-value {
      color: var(--accent);
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
    }

    /* ================================ PROGRESS ================================ */
    .progress-container {
      display: none;
    }

    .progress-container.active {
      display: block;
    }

    .progress-bar-wrapper {
      width: 100%;
      position: relative;
      margin-bottom: 24px;
    }

    .progress-bar-wrapper > div:first-child {
      height: 6px;
      background: var(--bg-input);
      border-radius: 3px;
      overflow: hidden;
    }

    .progress-bar {
      height: 100%;
      background: linear-gradient(90deg, var(--accent), #a855f7);
      border-radius: 3px;
      width: 0%;
      transition: width 0.5s ease;
    }

    .progress-info {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 8px;
      font-size: 12px;
      color: var(--text-secondary);
    }

    .progress-info #progressPercent {
      font-weight: 600;
      color: var(--accent);
      font-size: 14px;
    }

    .progress-info #progressTime {
      font-style: italic;
    }

    .progress-steps {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 20px;
    }

    .progress-step {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      background: var(--bg-input);
      border-radius: var(--radius-sm);
      font-size: 13px;
      transition: var(--transition);
    }

    .progress-step.active {
      background: var(--accent-glow);
      border: 1px solid rgba(99, 102, 241, 0.2);
    }

    .progress-step.done {
      background: var(--success-bg);
      border: 1px solid rgba(16, 185, 129, 0.1);
    }

    .progress-step.error {
      background: var(--danger-bg);
      border: 1px solid rgba(239, 68, 68, 0.1);
    }

    .progress-step.warning {
      background: var(--warning-bg);
      border: 1px solid rgba(245, 158, 11, 0.1);
    }

    .step-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      flex-shrink: 0;
    }

    .progress-step .step-icon { background: var(--bg-card); color: var(--text-muted); }
    .progress-step.active .step-icon { background: var(--accent); color: white; animation: pulse 1s infinite; }
    .progress-step.done .step-icon { background: var(--success); color: white; }
    .progress-step.error .step-icon { background: var(--danger); color: white; }
    .progress-step.warning .step-icon { background: var(--warning); color: white; }
    .progress-step.skipped .step-icon { background: var(--text-muted); color: white; }

    .progress-log {
      background: #050810;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      max-height: 250px;
      overflow-y: auto;
      font-family: 'JetBrains Mono', 'Fira Code', monospace;
      font-size: 11px;
      line-height: 1.7;
      color: var(--text-muted);
    }

    .progress-log .log-line {
      white-space: pre-wrap;
      word-break: break-all;
    }

    .progress-log .log-line.error { color: var(--danger); }
    .progress-log .log-line.success { color: var(--success); }

    /* ================================ RESULT ================================ */
    .result-container {
      display: none;
    }

    .result-container.active {
      display: block;
    }

    .result-success {
      text-align: center;
      padding: 24px 0;
    }

    .result-success .icon {
      font-size: 48px;
      margin-bottom: 16px;
    }

    .result-success h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--success);
      margin-bottom: 8px;
    }

    .result-details {
      margin-top: 20px;
      text-align: left;
    }

    .result-detail-row {
      display: flex;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px solid var(--border);
      font-size: 13px;
    }

    .result-detail-row:last-child { border-bottom: none; }

    .result-detail-label { color: var(--text-muted); }
    .result-detail-value {
      color: var(--text-primary);
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
    }

    .result-detail-value a {
      color: var(--accent);
      text-decoration: none;
    }

    .result-detail-value a:hover { text-decoration: underline; }

    /* ================================ CONFIRM DIALOG ================================ */
    .confirm-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(4px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
    }

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

    .confirm-box {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      width: 90%;
      max-width: 420px;
      text-align: center;
    }

    .confirm-box h3 {
      font-size: 18px;
      margin-bottom: 12px;
    }

    .confirm-box p {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 24px;
    }

    .confirm-actions {
      display: flex;
      gap: 12px;
      justify-content: center;
    }

    /* ================================ RESPONSIVE ================================ */
    @media (max-width: 900px) {
      .toolbar-btn span:last-child { display: none; }
      .toolbar-btn { padding: 6px 8px; gap: 0; }
    }

    @media (max-width: 768px) {
      .app { padding: 12px; }
      .header { flex-direction: column; gap: 12px; align-items: flex-start; }
      .header-right { flex-wrap: wrap; gap: 8px; }
      .clients-grid { grid-template-columns: 1fr; }
      .status-bar { grid-template-columns: repeat(2, 1fr); }
      .toolbar { flex-wrap: wrap; gap: 6px; }
    }

    @media (max-width: 480px) {
      .status-bar { grid-template-columns: 1fr; }
    }

    /* Toast notifications */
    .toast-container {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 10000;
      display: flex;
      flex-direction: column;
      gap: 8px;
      pointer-events: none;
    }
    .toast {
      pointer-events: auto;
      padding: 12px 20px;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 500;
      color: #fff;
      backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
      animation: toastIn 0.3s ease, toastOut 0.3s ease 4.7s forwards;
      max-width: 420px;
    }
    .toast.info { background: rgba(59,130,246,0.9); }
    .toast.success { background: rgba(16,185,129,0.9); }
    .toast.error { background: rgba(239,68,68,0.9); }
    @keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
    @keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }

    .auth-gate {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    .auth-card {
      width: 100%;
      max-width: 460px;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 24px;
    }

    .auth-card h2 {
      font-size: 22px;
      margin-bottom: 8px;
    }

    .auth-subtitle {
      color: var(--text-secondary);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .auth-inline {
      display: flex;
      gap: 10px;
    }

    .auth-inline .btn {
      min-width: 138px;
      justify-content: center;
    }

    .table-wrap {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .auth-users-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    .auth-users-table th,
    .auth-users-table td {
      padding: 10px;
      border-bottom: 1px solid var(--border);
      text-align: left;
      vertical-align: middle;
    }

    .auth-users-table th {
      color: var(--text-muted);
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

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

    .service-actions-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }

    .service-logs-pre {
      background: #050810;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      max-height: 420px;
      overflow-y: auto;
      white-space: pre-wrap;
      word-break: break-word;
      font-family: 'JetBrains Mono', 'Fira Code', monospace;
      font-size: 11px;
      line-height: 1.7;
      color: var(--text-muted);
    }

    .service-failure {
      margin-bottom: 12px;
      color: #fbbf24;
      background: rgba(245, 158, 11, 0.1);
      border: 1px solid rgba(245, 158, 11, 0.3);
      border-radius: var(--radius-sm);
      padding: 10px 12px;
      font-size: 13px;
    }

    .inline-select {
      width: 100%;
      min-width: 90px;
    }

    /* ─── Infra dots (toolbar) ─────────────────────────── */
    .infra-dot {
      display: inline-block;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--text-muted);
      flex-shrink: 0;
      transition: background 0.3s;
    }
    .infra-dot.ok      { background: #22c55e; }
    .infra-dot.warn    { background: #fbbf24; }
    .infra-dot.error   { background: #ef4444; }
    .infra-dot.loading { background: var(--text-muted); animation: pulse 1.2s infinite; }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50%       { opacity: 0.3; }
    }

    /* ─── Versions modal tabs ──────────────────────────── */
    .versions-tabs {
      display: flex;
      gap: 4px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 16px;
    }
    .versions-tab {
      padding: 8px 18px;
      border: none;
      background: transparent;
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      border-bottom: 2px solid transparent;
      margin-bottom: -1px;
      transition: color 0.2s, border-color 0.2s;
    }
    .versions-tab:hover { color: var(--text-primary); }
    .versions-tab.active {
      color: var(--primary);
      border-bottom-color: var(--primary);
    }
    .versions-panel { display: none; }
    .versions-panel.active { display: block; }

    /* ─── Tag list (GHCR versions) ─────────────────────── */
    .tag-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      margin-bottom: 8px;
      background: var(--surface);
      transition: border-color 0.2s;
    }
    .tag-item:hover { border-color: var(--primary); }
    .tag-item-info { display: flex; flex-direction: column; gap: 2px; }
    .tag-item-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
    .tag-item-date { font-size: 11px; color: var(--text-muted); }
    .tag-item-actions { display: flex; align-items: center; gap: 8px; }
    .tag-empty { color: var(--text-muted); text-align: center; padding: 24px 0; font-size: 13px; }
    .tag-badge-current {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 20px;
      background: rgba(99,102,241,0.15);
      color: var(--primary);
      font-size: 11px;
      font-weight: 600;
    }
    .tag-badge-prerelease {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 20px;
      background: rgba(251,191,36,0.15);
      color: #fbbf24;
      font-size: 11px;
      font-weight: 600;
    }
    .tag-badge-used {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 20px;
      background: rgba(34,197,94,0.15);
      color: #22c55e;
      font-size: 11px;
      font-weight: 600;
    }
    .tag-badge-warn {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 20px;
      background: rgba(234,179,8,0.15);
      color: #eab308;
      font-size: 11px;
      font-weight: 600;
    }

    /* ─── Changelog ────────────────────────────────────── */
    .changelog-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      background: var(--surface);
      overflow: hidden;
    }
    .changelog-item-header {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      border-bottom: 1px solid var(--border);
    }
    .changelog-version {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      flex: 1;
    }
    .changelog-date { font-size: 11px; color: var(--text-muted); }
    .changelog-link {
      font-size: 11px;
      color: var(--primary);
      text-decoration: none;
    }
    .changelog-link:hover { text-decoration: underline; }
    .changelog-body {
      padding: 10px 14px;
      font-size: 12px;
      color: var(--text-secondary);
      line-height: 1.7;
      white-space: pre-wrap;
      max-height: 160px;
      overflow-y: auto;
    }
    .changelog-empty { color: var(--text-muted); text-align: center; padding: 24px 0; font-size: 13px; }

    /* ─── Infrastructure modal grid ────────────────────── */
    .infra-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .infra-card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--surface);
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      transition: border-color 0.2s;
    }
    .infra-card:hover { border-color: var(--primary); }
    .infra-card-top {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
    }
    .infra-card-msg { font-size: 12px; color: var(--text-muted); line-height: 1.5; min-height: 20px; }
    .infra-card-wide { grid-column: 1 / -1; }
    .infra-minio-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }
    .infra-minio-grid .form-label {
      margin-bottom: 5px;
      font-size: 12px;
    }

    @media (max-width: 860px) {
      .infra-minio-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ─── Infrastructure redesign ───────────────────────── */
    .infra-modal-body {
      padding: 20px 24px;
      max-height: 70vh;
      overflow-y: auto;
    }
    .infra-section-label {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    /* Service cards (deployed services) */
    .infra-svc-card {
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--bg-card);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.15s;
    }
    .infra-svc-card:hover { border-color: var(--primary); }
    .infra-svc-header {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      border-bottom: 1px solid var(--border);
      background: var(--bg-surface);
    }
    .infra-svc-title-group {
      display: flex;
      flex-direction: column;
      gap: 1px;
    }
    .infra-svc-name  { font-size: 14px; font-weight: 600; color: var(--text-primary); }
    .infra-svc-desc  { font-size: 11px; color: var(--text-muted); }
    .infra-svc-badges { display: flex; gap: 5px; align-items: center; }
    .infra-badge {
      display: inline-flex;
      align-items: center;
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 600;
    }
    .infra-badge.ok    { background: #dcfce7; color: #16a34a; }
    .infra-badge.warn  { background: #fef9c3; color: #ca8a04; }
    .infra-badge.muted { background: var(--bg-hover); color: var(--text-muted); }
    .infra-badge.error { background: #fee2e2; color: #dc2626; }
    .infra-svc-body { padding: 12px 16px; }
    .infra-svc-placeholder {
      font-size: 13px;
      color: var(--text-muted);
      padding: 4px 0;
    }
    .infra-svc-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    /* Data grid (key-value pairs showing real instance info) */
    .infra-data-grid {
      display: grid;
      grid-template-columns: max-content 1fr;
      gap: 4px 16px;
      align-items: center;
    }
    .infra-data-row {
      display: contents;
    }
    .infra-data-label {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-muted);
      white-space: nowrap;
    }
    .infra-data-value {
      font-size: 13px;
      color: var(--text-secondary);
      word-break: break-all;
    }
    .infra-data-value a { color: var(--primary); text-decoration: none; }
    .infra-data-value a:hover { text-decoration: underline; }

    /* Live data banner inside config view */
    .infra-live-data {
      padding: 10px 12px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--bg-surface);
      margin-bottom: 16px;
      font-size: 12px;
    }
    .infra-live-data.muted { color: var(--text-muted); }

    /* View nav bar (inside non-main views) */
    .infra-view-nav {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0 14px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 4px;
    }
    .infra-view-nav-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
    }
    .infra-view-body {
      padding-top: 16px;
    }



    /* ─── Client detail modal ──────────────────────────── */
    .cl-heading {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin: 16px 0 8px;
    }
    .cl-heading:first-child { margin-top: 0; }
    .cl-url-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 6px;
    }
    .cl-url-label {
      font-size: 12px;
      color: var(--text-muted);
      min-width: 56px;
    }
    .cl-url-link {
      font-size: 13px;
      color: var(--primary);
      text-decoration: none;
      word-break: break-all;
    }
    .cl-url-link:hover { text-decoration: underline; }
    .cl-info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 16px;
    }
    .cl-info-item { font-size: 13px; color: var(--text-secondary); }
    .cl-info-label { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
    .cl-info-value { font-weight: 500; color: var(--text-primary); word-break: break-all; }