:root{--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-grad: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 6px 20px rgba(15, 23, 42, .08);--shadow-lg: 0 16px 40px rgba(15, 23, 42, .14);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:22px 0;display:flex;flex-direction:column}.brand{padding:0 22px 18px}.brand h1{font-size:20px;margin:0}.brand span{color:var(--muted);font-size:13px}.nav{display:flex;flex-direction:column;gap:2px;padding:8px}.nav a{padding:10px 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#22c55e2e}@media (max-width: 1080px){.session-body,.session-body.details-collapsed{grid-template-columns:1fr}.details-panel,.details-rail{position:static}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}.machines-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.add-machine-btn{display:inline-flex;align-items:center;gap:8px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:18px 0 22px}.stat-card{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm)}.stat-icon{width:42px;height:42px;border-radius:12px;flex:none;display:inline-flex;align-items:center;justify-content:center}.stat-icon.tone-blue{background:#dbeafe;color:#2563eb}.stat-icon.tone-green{background:#dcfce7;color:#16a34a}.stat-icon.tone-slate{background:#f1f5f9;color:#64748b}.stat-icon.tone-amber{background:#fef3c7;color:#b45309}.stat-value{font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}.stat-card .stat-label{font-size:13px;color:var(--muted)}.machines-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.search-box{display:flex;align-items:center;gap:8px;flex:1 1 240px;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:0 12px;color:var(--muted)}.search-box input{border:none;margin:0;padding:10px 0;background:transparent;flex:1;font-size:14px}.search-box 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8px}.machines-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}.machines-grid.view-list{grid-template-columns:1fr;gap:12px}.machine-card{position:relative;display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm);transition:box-shadow .15s ease,transform .15s ease}.machine-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.machine-card:has(.menu-pop){z-index:5}.machine-card.view-list{flex-direction:row;align-items:stretch}.machine-preview{position:relative;aspect-ratio:16 / 9;background:#0f172a;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:13px 13px 0 0}.machine-card.view-list .machine-preview{width:220px;aspect-ratio:auto;flex:none;border-radius:13px 0 0 13px}.machine-preview img{width:100%;height:100%;object-fit:cover}.machine-preview.is-offline img{filter:grayscale(1) brightness(.55)}.machine-preview-placeholder{color:#64748b}.status-pill{position:absolute;top:10px;right:10px;display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;background:#ffffffeb;box-shadow:var(--shadow-sm)}.status-pill.online{color:#166534}.status-pill.offline{color:#64748b}.status-pill.degraded{color:#b45309}.status-dot{width:8px;height:8px;border-radius:999px;flex:none}.status-pill.online .status-dot,.machine-status.online .status-dot{background:#22c55e;box-shadow:0 0 0 3px #22c55e2e}.status-pill.offline .status-dot,.machine-status.offline .status-dot{background:#94a3b8;box-shadow:0 0 0 3px #94a3b82e}.status-pill.degraded .status-dot,.machine-status.degraded .status-dot{background:#f59e0b;box-shadow:0 0 0 3px #f59e0b2e}.machine-body{display:flex;flex-direction:column;gap:12px;padding:16px;flex:1;min-width:0}.machine-card.view-list .machine-body{padding:14px 18px}.machine-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.machine-name{font-size:16px;font-weight:700;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.machine-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;flex:none}.machine-status.online{color:#16a34a}.machine-status.offline{color:var(--muted)}.machine-status.degraded{color:#b45309}.machine-warning{display:flex;align-items:flex-start;gap:8px;margin:0;padding:8px 10px;border-radius:8px;font-size:12px;line-height:1.4;color:#92400e;background:#fffbeb;border:1px solid #fde68a}.machine-warning svg{flex:none;margin-top:1px}.machine-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin:0}.machine-meta dt{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:600;margin:0}.machine-meta dd{margin:2px 0 0;font-size:13px;color:var(--text)}.machine-actions{display:flex;align-items:center;gap:8px;margin-top:auto}.machine-actions .primary{display:inline-flex;align-items:center;gap:7px;flex:1;justify-content:center}.machine-actions .primary:disabled{opacity:.5;cursor:not-allowed}.btn-icon{width:38px;height:38px;flex:none;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;transition:background .14s ease,color .14s ease}.btn-icon:hover{background:#f1f5f9;color:var(--text)}.machine-menu{position:relative}.menu-pop{position:absolute;right:0;top:44px;z-index:30;width:180px;padding:6px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column}.menu-pop button{display:flex;align-items:center;gap:9px;text-align:left;border:none;background:none;padding:9px 10px;border-radius:6px;font-size:14px;cursor:pointer;color:var(--text)}.menu-pop button:hover{background:#f1f5f9}.menu-pop .menu-danger{color:#dc2626}.menu-pop .menu-danger:hover{background:#fef2f2}.menu-sep{height:1px;background:var(--border);margin:4px 0}.empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;background:var(--surface);border:1px dashed var(--border);border-radius:14px;padding:48px 24px}.empty-state h3{margin:4px 0 0;font-size:18px}.empty-state p{margin:0;color:var(--muted)}.empty-state .primary{display:inline-flex;align-items:center;gap:8px;margin-top:8px}.empty-state button:not(.primary){background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:9px 16px;cursor:pointer}.empty-icon{color:#94a3b8}.machine-card.skeleton,.machine-card.skeleton:hover{transform:none;box-shadow:var(--shadow-sm)}.skeleton-block,.skeleton-line{background:linear-gradient(90deg,#eef2f7 25%,#e2e8f0 37%,#eef2f7 63%);background-size:400% 100%;animation:skeleton 1.4s ease infinite}.skeleton-line{height:12px;border-radius:6px;margin-bottom:10px}.skeleton-line.short{width:55%}@keyframes skeleton{0%{background-position:100% 50%}to{background-position:0 50%}}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:20px}.dialog{width:100%;max-width:460px;background:var(--surface);border-radius:14px;box-shadow:var(--shadow-lg);padding:22px;outline:none}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.dialog-head h3{margin:0;font-size:18px}.dialog-text{color:var(--muted);font-size:14px;margin:0 0 16px;line-height:1.5}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.dialog-actions button:not(.primary):not(.danger){background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:9px 16px;cursor:pointer;font-size:14px}button.danger{background:#dc2626;color:#fff;border:none;border-radius:8px;padding:9px 16px;cursor:pointer;font-size:14px;font-weight:600}button.danger:hover{background:#b91c1c}button.danger:disabled{opacity:.5;cursor:not-allowed}.details-grid{display:grid;grid-template-columns:130px 1fr;gap:10px 16px;margin:0}.details-grid dt{color:var(--muted);font-size:13px}.details-grid dd{margin:0;font-size:14px;word-break:break-word}.form-error{color:#b91c1c;font-size:13px;margin:4px 0 0}.share-add-row{display:flex;gap:8px;align-items:center}.share-add-row input{flex:1}.share-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.share-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);border-radius:10px;padding:8px 10px}.share-who{display:flex;flex-direction:column;min-width:0}.share-who strong{font-size:14px}.share-email{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis}.new-machine-panel{margin-bottom:18px;border-left:4px solid #22c55e}.new-machine-hint{margin:8px 0}.agent-command{white-space:pre-wrap;word-break:break-all;background:#0f172a;color:#e2e8f0;padding:12px;border-radius:8px;font-size:12px;margin:0 0 12px}@media (max-width: 1400px){.stat-grid,.machines-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 820px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;align-items:center;flex-wrap:wrap;padding:12px 16px;border-right:none;border-bottom:1px solid var(--border)}.sidebar .brand{padding:0}.sidebar .nav{flex-direction:row;flex-wrap:wrap;padding:0;margin-left:auto}.sidebar>div:last-child{display:none}.content{padding:20px 18px}.machines-grid,.machines-grid.view-list{grid-template-columns:1fr}.machine-card.view-list{flex-direction:column}.machine-card.view-list .machine-preview{width:100%;aspect-ratio:16 / 9;border-radius:13px 13px 0 0}.filters-toggle{display:inline-flex}.toolbar-controls{display:none;width:100%}.toolbar-controls.open{display:flex;flex-direction:column;align-items:stretch}.toolbar-controls.open .filter-chips{justify-content:space-between}}@media (max-width: 480px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.files-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.btn-quiet{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 14px;cursor:pointer;font-size:14px;color:var(--text);text-decoration:none}.btn-quiet:hover{background:#f1f5f9}.form-notice{color:#15803d;font-size:13px;margin:4px 0 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.files-roots{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.root-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:13px}.root-chip:hover{border-color:var(--primary)}.root-chip.active{border-color:var(--primary);background:#dbeafe;color:var(--primary);font-weight:600}.root-chip:disabled{opacity:.5;cursor:not-allowed}.root-free{color:var(--muted);font-size:12px}.root-chip.active .root-free{color:var(--primary)}.files-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:14px}.files-toolbar button:not(.primary):not(.btn-icon){background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 12px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:6px}.files-toolbar button:disabled{opacity:.5;cursor:not-allowed}.files-hidden-toggle{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.files-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:2px;flex:1;min-width:180px}.files-breadcrumb button{background:none;border:none;padding:4px 6px;cursor:pointer;font-size:13px;color:var(--muted);border-radius:6px}.files-breadcrumb button:hover{background:#f1f5f9;color:var(--text)}.files-breadcrumb button:not(:last-child):after{content:"/";margin-left:8px;color:var(--border)}.files-breadcrumb button:last-child{color:var(--text);font-weight:600}.files-listing{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-sm);padding:4px 16px;min-height:220px}.files-listing.dropping{border-color:var(--primary);border-style:dashed;background:#eff6ff}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;display:flex;align-items:center;justify-content:center;background:#2563eb24;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);pointer-events:none}.drop-overlay-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:26px 38px;border-radius:16px;background:var(--surface);border:2px dashed var(--primary);color:var(--primary);box-shadow:var(--shadow-lg)}.drop-overlay-card strong{font-size:17px}.drop-overlay-card span{font-size:13px;color:var(--muted);word-break:break-all;max-width:420px;text-align:center}.files-empty{color:var(--muted);font-size:14px;padding:40px 8px;text-align:center}.files-table{width:100%;border-collapse:collapse}.files-table td.num{text-align:right;white-space:nowrap;color:var(--muted)}.files-table td.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--muted)}.files-table tr.entry-hidden{opacity:.6}.entry-name{display:inline-flex;align-items:center;gap:8px;background:none;border:none;padding:0;font-size:14px;color:var(--text);text-align:left}button.entry-name{cursor:pointer}button.entry-name:hover{color:var(--primary)}.entry-link{color:var(--muted);font-size:12px}.entry-actions{display:flex;gap:4px;justify-content:flex-end}.entry-actions .btn-icon.danger:hover{color:#b91c1c}.upload-progress{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:14px;box-shadow:var(--shadow-sm)}.upload-progress-head{display:flex;align-items:center;gap:12px;font-size:14px}.upload-file{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-pct{font-weight:600;font-variant-numeric:tabular-nums}.upload-bar{height:6px;border-radius:3px;background:#e2e8f0;overflow:hidden;margin:10px 0 6px}.upload-bar-fill{height:100%;background:var(--primary-grad);transition:width .2s ease}.upload-detail{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.dialog.files-dialog{max-width:1100px;max-height:88vh;overflow-y:auto;padding:20px 22px}.files-dialog .files-header{margin-bottom:14px}.files-dialog .page-title{margin-top:0}@media (max-width: 820px){.files-listing{padding:4px 10px;overflow-x:auto}.files-table td:nth-child(4),.files-table th:nth-child(4){display:none}}