:root{--accent: #3b6ff6;--accent-ink: #ffffff;--ink: #0e1116;--muted: #586172;--surface: #ffffff;--surface-2: #f1f3f6;--paper: #f6f7f9;--border: #e4e7ec;--grid: #d2d8e2;--good: #16a34a;--bad: #dc2626;--radius: 14px;--shadow: 0 6px 20px rgba(16, 17, 22, .1), 0 2px 6px rgba(16, 17, 22, .06);--dur: .2s;--ease: cubic-bezier(.2, .7, .2, 1);color-scheme:light;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}:root[data-theme=dark]{--accent: #5b8def;--accent-ink: #0b1020;--ink: #e6e9ef;--muted: #9aa4b2;--surface: #171a21;--surface-2: #1e222b;--paper: #0e1116;--border: #262b34;--grid: #2b333e;--good: #22c55e;--bad: #f87171;--shadow: 0 8px 24px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .4);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%}#app{position:relative;height:100vh;display:grid;grid-template-rows:calc(56px + env(safe-area-inset-top,0px)) 1fr;background:var(--paper);color:var(--ink);overflow:hidden;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.topbar{display:flex;align-items:center;gap:16px;padding:env(safe-area-inset-top,0px) 14px 0;background:var(--surface);border-bottom:1px solid var(--border);z-index:20}.brand{font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}.logo{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:7px;background:var(--accent);color:var(--accent-ink);font-size:13px}.room{color:var(--muted);font-size:14px;display:flex;align-items:center;gap:8px}.room strong{color:var(--ink)}.spacer{flex:1}.tb-history{display:none;gap:6px}.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);transition:background var(--dur) var(--ease)}.dot[data-state=connected]{background:var(--good);box-shadow:0 0 0 4px color-mix(in srgb,var(--good) 22%,transparent)}.dot[data-state=disconnected]{background:var(--bad)}.devstatus{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.devstatus b{color:var(--ink)}.btn-share{display:inline-grid;place-items:center;width:38px;height:38px;color:#fff;background:var(--accent);border:0;border-radius:10px;cursor:pointer;transition:background var(--dur) var(--ease)}.btn-share:hover{background:color-mix(in srgb,var(--accent) 88%,#000)}.btn-share .ico{width:17px;height:17px}.identity-nudge{position:fixed;top:64px;right:14px;z-index:40;width:290px;max-width:calc(100vw - 28px);padding:13px 14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 28px -12px #00000059;opacity:0;transform:translateY(-8px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}.identity-nudge.in{opacity:1;transform:none}.identity-nudge.leaving{opacity:0;transform:translateY(-8px);pointer-events:none}.identity-nudge-row{display:flex;align-items:flex-start;gap:10px;padding-right:16px}.identity-nudge-dot{flex:none;width:12px;height:12px;margin-top:3px;border-radius:50%;box-shadow:0 0 0 3px color-mix(in srgb,var(--ink) 6%,transparent)}.identity-nudge-line{margin:0;font-size:13px;color:var(--ink)}.identity-nudge-hint{margin:3px 0 0;font-size:12px;line-height:1.35;color:var(--muted)}.identity-nudge-actions{display:flex;justify-content:flex-end;margin-top:11px}.identity-nudge-edit{height:30px;padding:0 13px;font:600 12px Inter,system-ui,sans-serif;color:#fff;background:var(--accent);border:0;border-radius:8px;cursor:pointer;transition:background var(--dur) var(--ease)}.identity-nudge-edit:hover{background:color-mix(in srgb,var(--accent) 88%,#000)}.identity-nudge-close{position:absolute;top:8px;right:8px;width:22px;height:22px;display:grid;place-items:center;font-size:17px;line-height:1;color:var(--muted);background:transparent;border:0;border-radius:6px;cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.identity-nudge-close:hover{background:var(--surface-2);color:var(--ink)}@media(prefers-reduced-motion:reduce){.identity-nudge{transition:none}}.conn-banner{position:fixed;top:64px;left:50%;z-index:45;display:flex;align-items:center;gap:8px;height:34px;padding:0 16px;font:600 13px Inter,system-ui,sans-serif;color:var(--ink);background:var(--surface);border:1px solid var(--border);border-radius:999px;box-shadow:0 10px 26px -12px #0006;opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%) translateY(-6px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur)}.conn-banner.in{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.conn-banner[data-mode=online]{color:var(--good);border-color:color-mix(in srgb,var(--good) 40%,var(--border))}.conn-spinner{width:14px;height:14px;border-radius:50%;border:2px solid color-mix(in srgb,var(--accent) 28%,transparent);border-top-color:var(--accent);animation:conn-spin .7s linear infinite}@keyframes conn-spin{to{transform:rotate(360deg)}}.conn-check{color:var(--good);font-weight:800}@media(prefers-reduced-motion:reduce){.conn-banner{transform:translate(-50%);transition:opacity var(--dur) var(--ease),visibility var(--dur)}.conn-banner.in{transform:translate(-50%)}.conn-spinner{animation:none}}.join-toasts{position:fixed;left:50%;bottom:26px;z-index:44;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.join-toast{display:flex;align-items:center;gap:8px;height:32px;padding:0 15px;font:500 13px Inter,system-ui,sans-serif;color:var(--ink);background:var(--surface);border:1px solid var(--border);border-radius:999px;box-shadow:0 8px 22px -10px #0006;opacity:0;transform:translateY(8px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}.join-toast.in{opacity:1;transform:none}.join-toast b{font-weight:700}.join-toast-dot{flex:none;width:10px;height:10px;border-radius:50%}@media(prefers-reduced-motion:reduce){.join-toast{transform:none;transition:opacity var(--dur) var(--ease)}}.selection-actions{display:none}@media(max-width:640px),(pointer:coarse){.selection-actions{display:flex;background:var(--surface);border:1px solid var(--border);border-bottom:0}.sa-row{display:flex;align-items:center;justify-content:center;gap:2px}.sa-btn{display:inline-grid;place-items:center;width:42px;height:44px;color:var(--ink);background:transparent;border:0;border-radius:10px;cursor:pointer}.sa-btn:active{background:var(--surface-2)}.sa-ico{width:20px;height:20px}.sa-danger{color:var(--bad)}.insert-sheet{display:flex;background:var(--surface);border:1px solid var(--border);border-bottom:0}.insert-row{display:flex;align-items:stretch;justify-content:space-between;gap:4px}.insert-btn{flex:1;display:grid;place-items:center;gap:5px;padding:9px 2px;color:var(--muted);background:transparent;border:0;border-radius:12px;cursor:pointer;font:500 11px Inter,system-ui,sans-serif}.insert-btn:active{background:var(--surface-2);color:var(--ink)}.insert-ico{width:24px;height:24px}.insert-label{line-height:1}#app:has(.selection-actions.mini-sheet:not(.hidden)) .dock{border-top-left-radius:0;border-top-right-radius:0;border-top-color:transparent;box-shadow:0 14px 20px -8px #10111638}#app:has(.selection-actions.mini-sheet.collapsed) .dock{border-top-color:var(--border)}}.refused-body{display:flex;flex-direction:column;gap:6px;padding:4px 0;text-align:center}.refused-title{margin:0;font-size:16px;font-weight:700;color:var(--ink)}.refused-sub{margin:0;max-width:22rem;font-size:13px;line-height:1.5;color:var(--muted)}.refused-footer{display:flex;justify-content:flex-end;gap:8px}.share-body{display:flex;flex-direction:column;align-items:center;gap:10px}.share-qr{width:172px;height:172px;padding:10px;background:#fff;border:1px solid var(--border);border-radius:12px}.share-qr svg{display:block;width:100%;height:100%}.share-cap{margin:0;font-size:12px;color:var(--muted)}.share-url-row{display:flex;width:100%;gap:8px}.share-url{flex:1;min-width:0;height:36px;padding:0 10px;font-size:13px;color:var(--ink);background:var(--surface-2);border:1px solid var(--border);border-radius:9px}.share-copy{flex:none;height:36px;padding:0 14px;font-weight:600;font-size:13px;color:#fff;background:var(--accent);border:0;border-radius:9px;cursor:pointer;transition:background var(--dur) var(--ease)}.share-copy.ok{background:#3db46b}.share-helper{margin:2px 0 0;font-size:12px;color:var(--muted);text-align:center}.share-footer{display:flex;gap:8px;justify-content:flex-end}.share-native,.share-done{height:34px;padding:0 14px;font-weight:600;font-size:13px;border-radius:9px;cursor:pointer}.share-native{color:var(--ink);background:var(--surface-2);border:1px solid var(--border)}.share-done{color:#fff;background:var(--accent);border:0}.iconbtn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.iconbtn:hover{background:var(--surface-2);color:var(--ink)}.brand .logo,.brand-name{display:none}.app-menu{position:fixed;z-index:80;width:300px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.app-menu-head{display:flex;align-items:center;gap:8px;padding:13px 15px;font-weight:800;font-size:16px;letter-spacing:-.02em;border-bottom:1px solid var(--border)}.app-menu-body{display:flex;flex-direction:column;gap:14px;padding:14px 15px}.app-menu-item{display:flex;align-items:center;justify-content:space-between;width:auto;margin:0 -15px;padding:9px 15px;border:none;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:600;text-align:left;cursor:pointer}.app-menu-item:hover{background:var(--surface-2)}.app-menu-item-ic{display:inline-grid;place-items:center;color:var(--muted)}.menu-avatar{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:700;color:#fff;background:var(--av, var(--accent));background-size:cover;background-position:center;overflow:hidden}.profile-id{display:inline-flex;align-items:center;gap:8px;min-width:0}.profile-name{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:13px;font-weight:600}.app-menu-sep{height:1px;margin:0 -15px;background:var(--border)}.help-btn{position:absolute;right:16px;bottom:16px;z-index:25;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;box-shadow:var(--shadow);transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.help-btn:hover{background:var(--surface-2);color:var(--ink)}#help-btn{position:absolute}.canvas{position:relative;overflow:hidden;touch-action:none;-webkit-touch-callout:none;user-select:none;-webkit-user-select:none;background-image:radial-gradient(var(--grid) var(--grid-dot, 1.6px),transparent var(--grid-dot, 1.6px));background-size:var(--grid-fine, 24px) var(--grid-fine, 24px);background-position:var(--gx-fine, 0px) var(--gy-fine, 0px);background-image:radial-gradient(rgb(from var(--grid) r g b / var(--grid-fade, 1)) var(--grid-dot, 1.6px),transparent var(--grid-dot, 1.6px)),radial-gradient(var(--grid) var(--grid-dot, 1.6px),transparent var(--grid-dot, 1.6px));background-size:var(--grid-fine, 24px) var(--grid-fine, 24px),var(--grid-coarse, 48px) var(--grid-coarse, 48px);background-position:var(--gx-fine, 0px) var(--gy-fine, 0px),var(--gx-coarse, 0px) var(--gy-coarse, 0px)}.canvas[data-grid=lines]{background-image:linear-gradient(to bottom,transparent calc(50% - var(--grid-line, .5px)),var(--grid) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px))),linear-gradient(to right,transparent calc(50% - var(--grid-line, .5px)),var(--grid) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px)));background-size:var(--grid-fine, 24px) var(--grid-fine, 24px),var(--grid-fine, 24px) var(--grid-fine, 24px);background-position:0px var(--gy-fine, 0px),var(--gx-fine, 0px) 0px;background-image:linear-gradient(to bottom,transparent calc(50% - var(--grid-line, .5px)),rgb(from var(--grid) r g b / var(--grid-fade, 1)) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px))),linear-gradient(to right,transparent calc(50% - var(--grid-line, .5px)),rgb(from var(--grid) r g b / var(--grid-fade, 1)) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px))),linear-gradient(to bottom,transparent calc(50% - var(--grid-line, .5px)),var(--grid) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px))),linear-gradient(to right,transparent calc(50% - var(--grid-line, .5px)),var(--grid) calc(50% - var(--grid-line, .5px)) calc(50% + var(--grid-line, .5px)),transparent calc(50% + var(--grid-line, .5px)));background-size:var(--grid-fine, 24px) var(--grid-fine, 24px),var(--grid-fine, 24px) var(--grid-fine, 24px),var(--grid-coarse, 48px) var(--grid-coarse, 48px),var(--grid-coarse, 48px) var(--grid-coarse, 48px);background-position:0px var(--gy-fine, 0px),var(--gx-fine, 0px) 0px,0px var(--gy-coarse, 0px),var(--gx-coarse, 0px) 0px}.set-row{display:grid;grid-template-columns:1fr 168px;align-items:center;gap:16px}.set-label{font-size:13px;font-weight:600;color:var(--ink)}.set-row .theme-switch{justify-self:center}.theme-switch{position:relative;flex:none;display:inline-flex;width:64px;height:32px;padding:0;border:1px solid var(--border);border-radius:999px;background:var(--surface-2);cursor:pointer}.theme-switch-ic{position:relative;z-index:1;display:inline-grid;place-items:center;width:32px;height:32px;color:var(--muted);transition:color var(--dur) var(--ease)}.theme-switch-ic .ico{width:15px;height:15px}.theme-switch-knob{position:absolute;z-index:0;top:3px;left:3px;width:26px;height:26px;border-radius:50%;background:var(--surface);box-shadow:var(--shadow);transition:transform var(--dur) var(--ease)}.theme-switch[data-theme=dark] .theme-switch-knob{transform:translate(32px)}.theme-switch[data-theme=light] .sun,.theme-switch[data-theme=dark] .moon{color:var(--ink)}.dock{position:absolute;left:16px;top:calc(56px + (100vh - 56px)/2);transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:4px;padding:7px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.tool{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;border:none;background:transparent;color:var(--muted);cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.tool:hover{background:var(--surface-2);color:var(--ink)}.tool.active{background:var(--accent);color:var(--accent-ink)}.tool.disabled{opacity:.4;cursor:default}.tool.disabled:hover{background:transparent;color:var(--muted)}.tool[data-tool=insert]{display:none}.tool[data-tool=insert].active{background:var(--surface-2);color:var(--ink)}.ico{width:21px;height:21px}.sheet-wrap{display:contents}.swatches{display:flex;gap:8px;flex-wrap:wrap}.sw{width:24px;height:24px;border-radius:7px;background:var(--sw);border:2px solid var(--surface);box-shadow:0 0 0 1px var(--border);cursor:pointer;padding:0}.sw.on{box-shadow:0 0 0 2px var(--accent)}.seg{display:flex;gap:3px;padding:3px;background:var(--surface-2);border-radius:9px}.seg-opt{flex:1;border:none;background:transparent;color:var(--muted);font:inherit;font-size:12px;font-weight:600;padding:6px 0;border-radius:7px;cursor:pointer}.seg-opt.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}.hint-chip{position:absolute;left:50%;bottom:16px;transform:translate(-50%);z-index:25;pointer-events:none;max-width:calc(100% - 32px);background:var(--surface);border:1px solid var(--border);color:var(--muted);font-size:12.5px;padding:7px 13px;border-radius:999px;box-shadow:var(--shadow);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hint-chip b{color:var(--ink)}.avatar-presence-row{display:flex;align-items:center;padding-left:7px;position:relative}.avatar-presence-row .avatar{width:28px;height:28px;border-radius:50%;margin-left:-7px;display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;background:var(--av, var(--accent));border:2px solid var(--surface);cursor:default;position:relative;overflow:hidden}.avatar-presence-row .avatar:first-child{margin-left:0}.avatar-presence-row .avatar.self{cursor:pointer;overflow:visible;box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 65%,transparent)}.avatar-presence-row .avatar.more{background:var(--surface-2);color:var(--muted);cursor:pointer;z-index:4;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.avatar-presence-row .avatar.more:hover{background:var(--border);color:var(--ink)}.avatar-presence-row .avatar.more:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.presence-overflow{position:fixed;z-index:80;width:224px;max-height:min(60vh,340px);overflow-y:auto;padding:6px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.po-item{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:8px}.po-item:hover{background:var(--surface-2)}.po-av{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;background:var(--av, var(--accent));background-size:cover;background-position:center;overflow:hidden}.po-name{min-width:0;font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.zoombar{position:absolute;left:16px;bottom:16px;z-index:25;display:flex;align-items:center;gap:2px;padding:5px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.zb{min-width:30px;height:30px;padding:0 8px;border:none;background:transparent;color:var(--muted);font:inherit;font-size:14px;font-weight:600;cursor:pointer;border-radius:8px;display:inline-grid;place-items:center}.zb:hover{background:var(--surface-2);color:var(--ink)}.zb.pct{min-width:56px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;cursor:text;border-radius:8px;transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease)}.zb.pct:focus-within{background:var(--surface-2);box-shadow:inset 0 0 0 2px var(--accent);color:var(--accent)}.zb.pct input{width:34px;border:none;background:transparent;color:var(--ink);font:inherit;font-weight:600;text-align:center;padding:0;outline:none;caret-color:var(--accent)}.zb.pct input:focus{color:var(--accent)}.zb.pct input::selection{background:color-mix(in srgb,var(--accent) 30%,transparent);color:var(--ink)}.zb-sep{width:1px;height:18px;background:var(--border);margin:0 2px}.ico-sm{width:17px;height:17px}.room-pill{display:flex;align-items:center;gap:7px;height:32px;padding:0 12px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--muted);font-size:13px;font-weight:500;white-space:nowrap}.room-pill strong{color:var(--ink);font-weight:700}.kbd{font:600 11px ui-monospace,SF Mono,Menlo,monospace;background:var(--surface-2);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:1px 6px;color:var(--ink)}.hidden{display:none!important}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;background:color-mix(in srgb,var(--ink) 28%,transparent);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{width:340px;max-width:calc(100% - 32px);background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-weight:700;border-bottom:1px solid var(--border)}.modal-x{border:none;background:transparent;color:var(--muted);font-size:15px;line-height:1;padding:3px 6px;border-radius:7px;cursor:pointer}.modal-x:hover{background:var(--surface-2);color:var(--ink)}.modal-x:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.modal-body{padding:6px 16px 14px}.kbd-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;font-size:13px;color:var(--ink);border-bottom:1px solid var(--surface-2)}.kbd-row:last-child{border-bottom:none}.dialog{border:none;padding:0;width:360px;max-width:calc(100% - 32px);max-height:min(82dvh,720px);border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow);opacity:0;transform:translateY(10px) scale(.97);transition:opacity .18s 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