*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}@supports (height:100dvh){html,body,#root{height:100dvh}}body{color:#e6e8ee;-webkit-tap-highlight-color:transparent;background:#16181d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button{font:inherit;cursor:pointer}.center-page{flex-direction:column;justify-content:center;align-items:center;gap:24px;height:100%;padding:24px;display:flex}.center-page h1{letter-spacing:.5px;font-size:28px}.center-page .tagline{color:#8a90a0;text-align:center;max-width:420px}.card{background:#1f232b;border:1px solid #2c313c;border-radius:14px;flex-direction:column;gap:14px;width:min(360px,90vw);padding:24px;display:flex}.card input{color:inherit;background:#14161b;border:1px solid #2c313c;border-radius:8px;width:100%;padding:10px 12px;font-size:16px}.card input.code-input{text-transform:uppercase;letter-spacing:6px;text-align:center;font-size:20px}.btn{color:#fff;background:#3b82f6;border:none;border-radius:8px;padding:11px 16px;font-size:15px;font-weight:600}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:#2c313c}.error-text{color:#f87171;font-size:14px}.muted{color:#8a90a0;font-size:13px}.scene{height:100%;position:relative;overflow:hidden}.surface{touch-action:none;-webkit-user-select:none;user-select:none;background:radial-gradient(at 30% 20%,#3a4152 0%,#0000 60%),linear-gradient(160deg,#2b303c 0%,#232732 100%);border:2px solid #3d4454;border-radius:28px;position:absolute;inset:92px 10px 10px;box-shadow:0 30px 80px #00000080,inset 0 1px #ffffff0f;container-type:size}.surface.drop-hover{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f659,0 30px 80px #00000080}.surface-hint{color:#565e70;pointer-events:none;text-align:center;justify-content:center;align-items:center;padding:20px;font-size:15px;display:flex;position:absolute;inset:0}.stack{--card:clamp(48px, 10cqmin, 72px);width:calc(var(--card) + 12px);margin-left:calc((var(--card) + 12px) / -2);margin-top:calc(var(--card) / -2 - 16px);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;z-index:2;flex-direction:column;align-items:center;gap:4px;display:flex;position:absolute}.stack.dragging{cursor:grabbing;z-index:40;pointer-events:none}.stack.remote-drag{opacity:.85;transition:none}.stack-card{width:var(--card);height:var(--card);background:#f2f3f7;border-radius:10px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 6px #00000073,0 6px 16px #00000040}.stack.multi .stack-card:before,.stack.multi .stack-card:after{content:"";z-index:-1;background:#d8dae2;border-radius:10px;position:absolute;inset:0}.stack.multi{filter:drop-shadow(2px 3px #d8dae2e6)drop-shadow(4px 6px #b4b7c2b3)}.stack-card img{object-fit:cover;pointer-events:none;width:100%;height:100%}.stack-card .file-icon{font-size:calc(var(--card) * .42)}.owner-dot{border-radius:50%;width:10px;height:10px}.stack-owner{z-index:1;border:2px solid #14161b;width:12px;height:12px;position:absolute;top:-5px;left:2px}.stack-count{z-index:1;color:#fff;background:#3b82f6;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex;position:absolute;top:-8px;right:-2px}.stack-name{color:#c6cad6;max-width:calc(var(--card) + 24px);white-space:nowrap;text-overflow:ellipsis;text-shadow:0 1px 3px #000000b3;font-size:11px;overflow:hidden}.stack.selected .stack-card{outline-offset:1px;outline:3px solid #3b82f6}.stack.selected .stack-name{color:#fff;text-shadow:none;background:#3b82f6;border-radius:5px;padding:0 5px}.stack-rename{width:110px;color:inherit;text-align:center;background:#14161b;border:1px solid #3b82f6;border-radius:5px;outline:none;padding:2px 5px;font-size:11px}.stack.drop-into .stack-card{outline-offset:1px;outline:3px solid #3b82f6;transition:transform .12s;transform:scale(1.18)}.marquee{pointer-events:none;z-index:9;background:#3b82f626;border:1px solid #3b82f6e6;border-radius:2px;position:absolute}.stack.ghost{opacity:.4;filter:grayscale(.9)}.stack.ghost .stack-card{border:1px dashed #8a90a0}.stack-unavailable{top:calc(var(--card) - 14px);z-index:1;color:#fed7aa;background:#7c2d12;border-radius:10px;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;display:flex;position:absolute;right:-2px}.dock{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1f232bbf;border:1px solid #2c313c;border-radius:16px;align-items:flex-start;gap:10px;max-width:calc(100vw - 190px);padding:6px 10px;display:flex;position:absolute;top:10px;left:50%;overflow-x:auto;transform:translate(-50%)}.seat{flex-direction:column;flex-shrink:0;align-items:center;gap:4px;width:64px;display:flex}.seat-avatar{color:#fff;border:3px solid #0000;border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;font-size:18px;font-weight:700;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex}.seat.offline{opacity:.35}.seat.me .seat-avatar{border-color:#e6e8ee}.seat.drop-target .seat-avatar{border-color:#3b82f6;transform:scale(1.25);box-shadow:0 0 24px #3b82f6cc}.seat-name{color:#c6cad6;white-space:nowrap;text-overflow:ellipsis;text-align:center;max-width:64px;font-size:12px;overflow:hidden}.seat-name .you-tag{color:#8a90a0}.fan-backdrop{z-index:20;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a0c108c;position:fixed;inset:0}.fan-panel.drop-into{outline-offset:-1px;outline:3px solid #3b82f6}.fan-panel{z-index:21;background:#1f232b;border:1px solid #3d4454;border-radius:14px;flex-direction:column;gap:8px;width:min(480px,100vw - 32px);max-height:min(62vh,560px);padding:10px 12px 12px;display:flex;position:fixed;box-shadow:0 24px 70px #0009}.fan-head{cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;border-bottom:1px solid #2c313c;justify-content:space-between;align-items:flex-start;gap:12px;margin:-10px -12px 0;padding:10px 12px 8px;display:flex}.fan-title{pointer-events:none;flex-direction:column;gap:2px;min-width:0;display:flex}.fan-title strong,.fan-title input{pointer-events:auto}.fan-title .stack-rename{text-align:left;width:100%;max-width:260px;font-size:14px;font-weight:600}.fan-file .stack-rename{width:100%}.fan-title strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.fan-close{color:#8a90a0;background:0 0;border:none;padding:2px 6px;font-size:22px;line-height:1}.fan-notice{color:#fbbf77;background:#3a2a12;border-radius:8px;padding:8px 10px;font-size:13px}.fan-files{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;padding:2px;display:grid;overflow-y:auto}.fan-file{color:inherit;background:#171a20;border:1px solid #2c313c;border-radius:10px;flex-direction:column;align-items:center;gap:5px;min-width:0;padding:8px;animation:.22s backwards fan-in;display:flex;position:relative}.fan-owner{z-index:1;border:2px solid #171a20;position:absolute;top:5px;left:5px}.fan-owner-dot{margin-right:7px;display:inline-block}@keyframes fan-in{0%{opacity:0;transform:translateY(10px)rotate(-3deg)scale(.9)}to{opacity:1;transform:none}}.fan-file:hover{border-color:#3b82f6}.fan-file.drop-into{background:#3b82f629;border-color:#3b82f6;transform:scale(1.04)}.fan-file.drag-source{opacity:.35}.fan-thumb{background:#f2f3f7;border-radius:8px;justify-content:center;align-items:center;width:84px;height:84px;display:flex;overflow:hidden}.fan-thumb img{object-fit:cover;pointer-events:none;width:100%;height:100%}.fan-thumb .file-icon{font-size:32px}.fan-file-name{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:11px;overflow:hidden}.fan-file-size{color:#8a90a0;font-size:10px}.fan-panel .actions{gap:8px;display:flex}.fan-panel .actions .btn{flex:1;padding:9px 10px;font-size:14px}.btn.danger{background:#7f1d1d}.fan-ghost{z-index:50;pointer-events:none;background:#f2f3f7;border-radius:10px;justify-content:center;align-items:center;width:56px;height:56px;margin-top:-28px;margin-left:-28px;display:flex;position:fixed;overflow:hidden;box-shadow:0 10px 30px #00000080}.fan-ghost img{object-fit:cover;width:100%;height:100%}.fan-ghost .file-icon{font-size:26px}.fan-file{touch-action:none;-webkit-user-select:none;user-select:none}.fan-empty{color:#565e70;text-align:center;padding:24px 0;font-size:14px}.fan-hint{color:#8a90a0;font-size:12px;line-height:1.4}.lang-switch{gap:2px;padding:2px;display:flex}.lang-switch button{color:#8a90a0;letter-spacing:.5px;background:0 0;border:none;border-radius:6px;padding:3px 7px;font-size:11px;font-weight:600}.lang-switch button.active{color:#e6e8ee;background:#2c313c}.scene>.lang-switch{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1f232bbf;border:1px solid #2c313c;border-radius:8px;position:absolute;bottom:14px;left:14px}.context-menu{z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1f232bf5;border:1px solid #3d4454;border-radius:10px;flex-direction:column;min-width:190px;padding:5px;display:flex;position:fixed;box-shadow:0 16px 50px #0000008c}.context-menu-item{color:inherit;text-align:left;background:0 0;border:none;border-radius:6px;padding:7px 10px;font-size:13px}.context-menu-item:hover:not(:disabled){color:#fff;background:#3b82f6}.context-menu-item:disabled{color:#565e70;cursor:default}.context-menu-item.danger{color:#f87171}.context-menu-item.danger:hover:not(:disabled){color:#fecaca;background:#7f1d1d}.context-menu-sep{background:#2c313c;height:1px;margin:4px 6px}.note-dialog{z-index:21;background:#1f232b;border:1px solid #2c313c;border-radius:16px;flex-direction:column;gap:12px;width:min(420px,100vw - 32px);padding:18px;display:flex;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 24px 70px #0009}.note-dialog input,.note-dialog textarea{color:inherit;resize:vertical;background:#14161b;border:1px solid #2c313c;border-radius:8px;width:100%;padding:9px 11px;font-family:inherit;font-size:14px}.note-dialog .actions{justify-content:flex-end;gap:8px;display:flex}.lightbox{z-index:30;background:#08090ce0;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.lightbox-close{color:#c6cad6;z-index:31;background:0 0;border:none;font-size:30px;line-height:1;position:absolute;top:12px;right:16px}.lightbox-body{flex-direction:column;align-items:center;gap:10px;max-width:100%;display:flex}.lightbox-body img{border-radius:8px;max-width:min(92vw,1100px);max-height:76vh;box-shadow:0 24px 80px #000000b3}.lightbox-fallback{flex-direction:column;align-items:center;gap:10px;padding:40px;display:flex}.lightbox-fallback .file-icon{font-size:72px}.lightbox-caption{text-align:center;flex-direction:column;align-items:center;gap:2px;display:flex}.lightbox-caption .name{text-overflow:ellipsis;white-space:nowrap;max-width:80vw;font-size:14px;font-weight:600;overflow:hidden}.qr-badge{z-index:5;color:inherit;font:inherit;background:#1f232b;border:1px solid #2c313c;border-radius:12px;flex-direction:column;align-items:center;gap:6px;padding:10px;display:flex;position:absolute;top:14px;right:14px}.qr-badge canvas{border-radius:6px}.qr-badge .code{letter-spacing:3px;font-size:16px;font-weight:700}.conn-banner{color:#fed7aa;z-index:6;background:#7c2d12;border-radius:8px;padding:6px 14px;font-size:13px;position:absolute;top:104px;left:50%;transform:translate(-50%)}.stale-banner{color:#fbbf77;z-index:6;background:#3a2a12;border:1px solid #5a4020;border-radius:10px;align-items:center;gap:10px;max-width:calc(100vw - 24px);padding:8px 12px;font-size:13px;display:flex;position:absolute;top:104px;left:50%;transform:translate(-50%)}.stale-banner .btn{flex-shrink:0;padding:5px 10px;font-size:12px}.stale-banner .banner-close{color:inherit;background:0 0;border:none;padding:0 2px;font-size:18px;line-height:1}.add-btn{color:#fff;z-index:5;background:#3b82f6;border:none;border-radius:50%;width:56px;height:56px;font-size:28px;line-height:1;position:absolute;bottom:22px;right:22px;box-shadow:0 8px 24px #00000073}.tray{z-index:15;flex-direction:column;gap:8px;width:min(440px,100vw - 24px);display:flex;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.tray-item{background:#1f232b;border:1px solid #2c313c;border-radius:12px;flex-direction:column;gap:6px;padding:10px 12px;display:flex;box-shadow:0 10px 30px #0006}.tray-item .tray-head{color:#8a90a0;justify-content:space-between;align-items:center;font-size:13px;display:flex}.tray-item .tray-head button{color:#8a90a0;background:0 0;border:none;font-size:16px}.tray-file{align-items:center;gap:10px;font-size:13px;display:flex}.tray-file .name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.tray-file .progressbar{background:#2c313c;border-radius:3px;flex:1;height:6px;overflow:hidden}.tray-file .progressbar>div{background:#3b82f6;height:100%;transition:width .15s linear}.tray-file a{color:#60a5fa;flex-shrink:0;font-weight:600;text-decoration:none}.tray-error{color:#f87171;font-size:12px}@media (width<=639px){.surface{inset:80px 8px 8px}.dock{-webkit-overflow-scrolling:touch;gap:10px;max-width:calc(100vw - 110px);padding:6px 10px;left:10px;overflow-x:auto;transform:none}.seat{flex-shrink:0;width:56px}.seat-avatar{border-width:2px;width:42px;height:42px;font-size:16px}.seat-name{max-width:56px;font-size:10px}.stack-name{font-size:10px}.scene>.lang-switch{display:none}.qr-badge{padding:7px 10px;top:10px;right:10px}.qr-badge:not(.expanded) canvas{display:none}.qr-badge .code{letter-spacing:2px;font-size:14px}.add-btn{bottom:calc(16px + env(safe-area-inset-bottom));width:52px;height:52px;right:16px}.tray{bottom:calc(12px + env(safe-area-inset-bottom));width:calc(100vw - 92px);left:12px;transform:none}.fan-panel{width:100%;max-height:72vh;padding-bottom:calc(16px + env(safe-area-inset-bottom));border-bottom:none;border-radius:16px 16px 0 0;inset:auto 0 0}.fan-files{grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.fan-thumb{width:72px;height:72px}.surface-hint{font-size:13px}.fan-file{touch-action:pan-y}.context-menu{min-width:220px}.context-menu-item{padding:11px 12px;font-size:15px}.fan-close{padding:6px 12px}.lightbox-close{padding:10px 14px}.conn-banner,.stale-banner{text-align:center;flex-wrap:wrap;justify-content:center;max-width:calc(100vw - 20px)}.note-dialog{width:calc(100vw - 32px)}.lightbox-body img{max-width:calc(100vw - 24px);max-height:78vh}}