:root{--bg: #fafafa;--surface: #ffffff;--surface-2: #f5f5f5;--surface-hover: #f0f0f0;--border: #e5e7eb;--border-soft: #f0f0f0;--border-strong: #d4d4d4;--text: #0a0a0a;--text-muted: #6b7280;--text-dim: #9ca3af;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: #eff6ff;--accent-soft-border: #bfdbfe;--success: #16a34a;--success-soft: #f0fdf4;--warn: #d97706;--warn-soft: #fffbeb;--danger: #dc2626;--danger-soft: #fef2f2;--stage: #0a0a0a;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;color:var(--text);background:var(--bg);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text)}button,textarea,input,select{font:inherit;color:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:0 14px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius);font-size:13.5px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s,color .12s}button:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong)}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.primary-action-button{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.primary-action-button:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.secondary-button{background:var(--surface);border-color:var(--border);color:var(--text)}.danger-button{background:var(--surface);border-color:var(--border);color:var(--danger)}.danger-button:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger)}.toolbar-button{background:var(--surface);border-color:var(--border);color:var(--text)}.toolbar-button:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong)}.toolbar-button svg{color:var(--text-muted)}input,textarea,select{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:0 12px;transition:border-color .12s,box-shadow .12s}input,select{min-height:38px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}input::placeholder,textarea::placeholder{color:var(--text-dim)}code,pre,textarea{font-family:SF Mono,Menlo,Cascadia Mono,monospace}textarea{width:100%;min-height:130px;resize:vertical;padding:10px 12px;margin:6px 0 0;font-size:12.5px;line-height:1.55}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}h1,h2,h3{margin:0;color:var(--text)}h1{font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1.15}h2{font-size:17px;font-weight:600;letter-spacing:-.01em;line-height:1.3}h3{font-size:12.5px;font-weight:500;color:var(--text-muted);margin:18px 0 10px}.eyebrow{margin:0 0 4px;color:var(--text-muted);font-size:12.5px;letter-spacing:0;text-transform:none}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-shell{width:min(1680px,calc(100vw - 32px));margin:0 auto;padding:24px 0 40px}.product-shell{width:min(1180px,calc(100vw - 48px));margin:0 auto;padding:28px 0 48px}.control-shell{width:min(1440px,calc(100vw - 48px));margin:0 auto;padding:24px 0 40px}.auth-product-shell{width:min(960px,calc(100vw - 32px));padding-top:24px}.product-topbar,.control-topbar{min-height:56px;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:0 0 20px;margin-bottom:24px;border-bottom:1px solid var(--border-soft)}.control-topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto}.control-topbar>div:nth-child(2){min-width:0}.control-topbar h1{font-size:20px;font-weight:600;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand-block{display:flex;align-items:center;gap:12px;min-width:0}.brand-block h1{font-size:18px;font-weight:600;letter-spacing:-.01em;position:relative;padding-left:13px}.brand-block h1:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--border)}.wordmark{font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.wordmark-sub{color:var(--text-muted);font-weight:400;margin-left:4px}.topbar-actions,.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.button-row.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.topbar{min-height:54px;display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--border-soft);padding-bottom:14px;margin-bottom:20px}.login-layout{display:flex;justify-content:center;padding:8px 0 40px}.login-actions{width:100%;max-width:440px;display:grid;gap:16px}.login-button-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.device-home{display:grid;grid-template-areas:"devices account";grid-template-columns:minmax(0,1fr) minmax(320px,360px);gap:16px;align-items:start}.device-home>.devices-panel{grid-area:devices}.account-drawer{grid-area:account;min-width:0}.control-stage-layout{display:grid;gap:12px}.control-stage-frame{position:relative;min-width:0}.control-remote-stage{width:100%;height:clamp(420px,calc(100vh - 178px),760px);min-height:360px;aspect-ratio:auto}.status-pill{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px 0 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text-muted);font-size:12.5px;font-weight:500}.status-pill-dot{width:6px;height:6px;border-radius:999px;background:currentColor;display:inline-block;flex:0 0 auto}.status-pill-ready{color:var(--success)}.status-pill-warn{color:var(--warn)}.status-pill-idle{color:var(--text-muted)}.status-pill-ready,.status-pill-warn,.status-pill-idle{border-color:var(--border)}.status-pill-ready>:last-child,.status-pill-warn>:last-child,.status-pill-idle>:last-child{color:var(--text)}.error-strip{display:flex;align-items:center;gap:10px;background:var(--danger-soft);border:1px solid #fecaca;color:var(--danger);padding:10px 14px;border-radius:var(--radius);margin-bottom:18px;font-size:13px}.error-strip span{color:var(--text)}.operation-note{margin:0;display:inline-flex;align-items:center;align-self:flex-start;width:fit-content;border-radius:999px;padding:4px 10px;color:var(--success);background:var(--success-soft);border:1px solid #bbf7d0;font-size:12px}.warning-note{color:var(--warn);background:var(--warn-soft);border-color:#fde68a}.occupancy-callout{display:flex;align-items:center;gap:10px;border:1px solid var(--border-soft);border-radius:var(--radius);padding:10px 12px;margin-bottom:8px;color:var(--warn);background:var(--warn-soft);border-color:#fde68a;font-size:12.5px}.occupancy-callout.takeover{color:var(--danger);background:var(--danger-soft);border-color:#fecaca}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;min-width:0}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:36px;margin-bottom:16px}.panel-title{display:flex;align-items:center;gap:8px;min-width:0;color:var(--text)}.panel-title h2{min-width:0;font-size:15.5px}.panel-title svg{flex:0 0 auto;color:var(--text-muted)}.panel-title .status-pill{min-height:28px;margin-left:4px;padding:0 10px 0 8px;font-size:12px}.panel-actions{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}.status-list{border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden;margin-bottom:12px;background:var(--surface)}.status-list.compact{font-size:12.5px}.status-row{min-height:32px;display:grid;grid-template-columns:92px minmax(0,1fr);border-bottom:1px solid var(--border-soft)}.status-row:last-child{border-bottom:0}.status-row span,.status-row code{padding:7px 10px;min-width:0}.status-row span{color:var(--text-muted);background:var(--surface-2);font-size:12px}.status-row code{color:var(--text);font-size:12px;overflow-wrap:anywhere}.identity-summary{display:grid;gap:0;margin-bottom:14px;border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}.identity-summary div{display:grid;grid-template-columns:92px minmax(0,1fr);align-items:center;border-bottom:1px solid var(--border-soft);padding:10px 12px}.identity-summary div:last-child{border-bottom:0}.identity-summary span{color:var(--text-muted);font-size:12.5px}.identity-summary strong{color:var(--text);font-size:13px;font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.identity-section{border-top:1px solid var(--border-soft);padding-top:14px;margin-top:14px}.auth-card,.form-section.auth-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);padding:24px;margin:0}.form-section.auth-card h2{margin-bottom:18px}.section-help{margin:-4px 0 4px;color:var(--text-muted);font-size:12.5px;line-height:1.5}.account-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.form-section{display:grid;gap:12px}.form-section label{display:grid;gap:6px;min-width:0}.form-section label span{color:var(--text-muted);font-size:12.5px;font-weight:500}.inline-fields{display:grid;grid-template-columns:88px minmax(0,1fr);gap:10px}.field-label{display:block;margin:4px 0 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.device-connect-link{color:var(--accent-hover)}.device-name,.device-item small{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.device-name{font-weight:600;font-size:14px}.device-item-meta{display:flex;align-items:center;gap:6px;min-width:0}.device-item small{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;color:var(--text-muted);background:var(--surface-2);font-size:11.5px}.device-connect-link{position:absolute;top:12px;right:14px;display:inline-flex;align-items:center;gap:2px;color:var(--accent);font-size:12.5px;font-weight:500}.empty-text{margin:0;color:var(--text-muted);font-size:13px}.input-guard{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:12px 14px;margin-bottom:12px}.input-guard strong,.input-guard span{display:block;min-width:0}.input-guard strong{margin-bottom:2px;font-size:13px}.input-guard span{color:var(--text-muted);font-size:12px}.input-guard-active{border-color:var(--accent-soft-border);background:var(--accent-soft)}.input-guard-active strong{color:var(--accent)}.participant-empty,.participant-card{display:flex;align-items:center;gap:10px;border:1px solid var(--border-soft);border-radius:var(--radius);padding:10px 12px;margin-bottom:8px;font-size:12.5px}.participant-empty{color:var(--text-muted);background:var(--surface-2)}.participant-list{display:grid;gap:6px;margin-bottom:12px}.participant-card{align-items:flex-start;background:var(--surface)}.participant-card svg{color:var(--text-muted)}.participant-card strong,.participant-card span{display:block;min-width:0}.participant-card strong{margin-bottom:2px;font-size:13px;font-weight:600}.participant-card span{color:var(--text-muted);font-size:12px}.remote-stage{position:relative;min-height:220px;aspect-ratio:16 / 9;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none;border:1px solid #1a1a1a;border-radius:var(--radius-lg);background:var(--stage);color:#f5f5f5;margin-bottom:0}.remote-stage-interactive{cursor:crosshair}.remote-video-grid{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;background:var(--stage)}.remote-video-tile{position:absolute;top:0;right:0;bottom:0;left:0;min-width:0;min-height:0;overflow:hidden;background:#050505}.remote-video-tile-hidden{inset:auto 0 0 auto;width:1px;height:1px;opacity:0;pointer-events:none}.remote-video{display:block;width:100%;height:100%;object-fit:contain;background:var(--stage)}.remote-stage-fill .remote-video{object-fit:cover}.remote-stage-fit .remote-video{object-fit:contain}.stage-badge{position:absolute;left:12px;bottom:12px;display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;color:#f5f5f5e6;background:#141414c7;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);font-size:11.5px;font-weight:500}.stage-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px;-webkit-mask-image:linear-gradient(to bottom,black,transparent 90%);mask-image:linear-gradient(to bottom,black,transparent 90%)}.stage-center{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;align-content:center;gap:10px;text-align:center;color:#f5f5f5e6}.stage-center svg{color:#f5f5f566}.stage-center strong{max-width:min(320px,84%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:600}.stage-center span{color:#f5f5f58c;font-size:12.5px}.response-box{min-height:160px;max-height:320px;overflow:auto;margin:10px 0 0;border:1px solid var(--border);border-radius:var(--radius);background:#111;color:#e5e5e5;padding:12px;font-size:11.5px;line-height:1.55}.control-command-bar{position:absolute;top:12px;left:50%;z-index:3;display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;width:max-content;max-width:calc(100% - 24px);gap:4px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);background:#18181be6;box-shadow:0 12px 32px #00000047;color:#fff;padding:6px;transform:translate(-50%);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);overflow:visible;touch-action:none}.command-action-group{flex:0 0 auto;display:inline-flex;align-items:center;gap:4px}.command-drag-handle{width:34px;padding:0;cursor:grab}.command-drag-handle:active{cursor:grabbing}.connection-recovery-strip{flex:0 1 320px;display:flex;align-items:center;justify-content:flex-start;gap:8px;min-height:34px;max-width:320px;border:1px solid rgba(251,191,36,.24);border-radius:var(--radius-sm);background:#78350f5c;color:#fde68a;padding:4px 6px;font-size:12.5px;font-weight:600}.connection-recovery-strip span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.connection-recovery-strip button{flex:0 0 auto;min-height:28px;padding:0 9px}.control-command-bar button,.shortcut-menu>summary{min-height:38px;border-color:transparent;background:transparent;color:#ffffffe0}.control-command-bar button:hover:not(:disabled),.shortcut-menu>summary:hover{border-color:#ffffff1f;background:#ffffff1a;color:#fff}.control-command-bar .primary-action-button{border-color:#60a5fa8c;background:#2563ebeb;color:#fff}.control-command-bar .primary-action-button:hover:not(:disabled){border-color:#93c5fdbf;background:#1d4ed8f5}.remote-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:10px}.remote-input-row.compact{flex:0 0 360px;width:360px;margin:0}.control-command-bar .remote-input-row input{min-height:38px;border-color:#ffffff1f;background:#ffffff14;color:#fff}.control-command-bar .remote-input-row input::placeholder{color:#ffffff7a}.shortcut-menu{position:relative;flex:0 0 auto}.shortcut-menu>summary{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 14px;border:1px solid transparent;border-radius:var(--radius);font-size:13.5px;font-weight:500;list-style:none;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;transition:background .12s,border-color .12s,color .12s}.shortcut-menu>summary::-webkit-details-marker{display:none}.shortcut-menu-chevron{color:#ffffff94;transition:transform .14s ease}.shortcut-menu[open] .shortcut-menu-chevron{transform:rotate(180deg)}.shortcut-menu-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:10;width:360px;max-width:min(360px,calc(100vw - 48px));display:grid;gap:10px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:#18181bf5;box-shadow:0 18px 42px #00000057;padding:12px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.shortcut-menu-group{display:grid;gap:6px}.shortcut-menu-group h3{margin:0;color:#ffffff8f;font-size:11.5px;font-weight:600}.shortcut-menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.shortcut-menu-grid button{min-width:0;justify-content:flex-start;padding:0 10px;overflow:hidden;text-overflow:ellipsis}.control-drawer-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}.control-drawer{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);padding:0}.control-drawer>summary{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;color:var(--text);font-weight:600;font-size:13.5px;cursor:pointer;-webkit-user-select:none;user-select:none}.control-drawer>summary::-webkit-details-marker{display:none}.control-drawer>summary:after{content:"";width:8px;height:8px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform .14s ease,border-color .14s ease}.control-drawer[open]>summary:after{transform:rotate(225deg)}.control-drawer>summary:hover{background:var(--surface-2);border-radius:var(--radius-lg)}.control-drawer>summary:hover:after{border-color:var(--text)}.control-drawer[open]{padding:0 16px 16px}.control-drawer[open]>summary{padding:14px 0;margin-bottom:10px;border-bottom:1px solid var(--border-soft)}.control-field{display:grid;gap:8px;margin:0 0 14px;min-width:0}.control-field-label{color:var(--text-muted);font-size:12.5px;font-weight:600}.join-mode-control,.segmented-control{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;min-width:0;min-inline-size:0;border:1px solid var(--border-soft);border-radius:var(--radius);padding:6px;margin:0;background:var(--surface-2)}.join-mode-control label,.segmented-control label{position:relative;min-width:0}.join-mode-control input,.segmented-control input{position:absolute;opacity:0;pointer-events:none}.join-mode-control span,.segmented-control span{display:grid;place-items:center;min-height:32px;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:12.5px;font-weight:500;cursor:pointer;transition:background .12s,color .12s}.join-mode-control label:hover span,.segmented-control label:hover span{color:var(--text)}.join-mode-control input:checked+span,.segmented-control input:checked+span{background:var(--surface);color:var(--text);box-shadow:0 1px 2px #0000000f}.join-mode-control input:focus-visible+span,.segmented-control input:focus-visible+span{outline:2px solid var(--accent);outline-offset:1px}.debug-details{margin-top:10px}.transport-stack{display:grid;gap:10px}.live-debug-summary,.route-summary{border:1px solid var(--border-soft);border-radius:var(--radius);background:var(--surface-2);padding:12px;margin-bottom:10px}.live-debug-summary header,.route-summary header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}.live-debug-summary header div,.route-summary header div{display:grid;gap:2px;min-width:0}.live-debug-summary span,.route-summary header span{color:var(--text-muted);font-size:11.5px}.live-debug-summary strong,.route-summary header strong{color:var(--text);font-size:14px;font-weight:600;overflow-wrap:anywhere}.live-debug-summary code,.route-summary header code{flex:0 0 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