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auto;overscroll-behavior:contain;border:0;width:100%;max-width:100%;max-height:92dvh;margin:auto 0 0;padding:0}.sheet::backdrop{background:oklch(.1 .01 255/.5)}@media (prefers-reduced-motion:no-preference){.sheet[open]{animation:sheet-in var(--med)var(--ease)}}@media (min-width:640px){.sheet{border-radius:var(--radius-lg);width:min(460px,100% - 32px);margin:auto}.sheet-wide{width:min(560px,100% - 32px)}}.sheet-body{display:flex;padding:8px 20px calc(20px + var(--safe-bottom));flex-direction:column;gap:16px}.sheet-head{position:sticky;z-index:1;display:flex;background:var(--surface);justify-content:space-between;align-items: center;margin:0 -12px 0 0;padding-top:8px;top:0}.sheet-head h2{font-size:18px}.qr-wrap{outline:1px solid var(--line);background:#fff;border-radius:20px;align-self: center;padding:12px}.qr{display:block;width:min(240px,60vw);height:auto}.copy-row{display:flex;align-items:stretch;gap:8px}.copy-row .input{flex:1;min-width:0}.steps{color:var(--muted);margin:0;padding-left:20px;font-size:14px}.sas{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;gap:8px;margin:0;padding:0}.sas li{display:flex;background:var(--surface-2);border-radius:14px;flex-direction:column;align-items: center;gap:6px;padding:14px 4px}.sas-emoji{font-size:34px;line-height:1}.sas-name{color:var(--muted);font-size:12px;font-weight:600}.people,.transports{display:flex;list-style:none;flex-direction:column;gap:4px;margin:0;padding:0}.person{display:flex;align-items: center;gap:12px;min-height:52px}.person-main{display:flex;flex-direction:column;flex:1;min-width:0}.person-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.person-meta{color:var(--muted);font-size:13px}.transports li{display:flex;align-items: center;gap:10px;min-height:32px}.transports li span:nth-child(2){flex:1}.scanner{display:flex;flex-direction:column;gap:12px}.scanner-frame{position:relative;aspect-ratio:1;overflow:hidden;border-radius:var(--radius-lg);background:var(--stage)}.scanner-frame video{object-fit:cover;width:100%;height:100%}.scanner-reticle{position:absolute;border:3px solid oklch(1 0 0/.85);box-shadow:0 0 0 999px oklch(0 0 0/.35);border-radius:24px;inset:18%}.toasts{position:fixed;left:50%;bottom:calc(96px + var(--safe-bottom));z-index:60;display:flex;pointer-events:none;flex-direction:column;align-items: center;gap:8px;width:min(420px,100% - 32px);translate:-50%}.toast{display:flex;border-radius:var(--radius);background:oklch(.25 .012 255);color:#fff;box-shadow:var(--shadow-lg);align-items: center;gap:10px;padding:10px 14px;font-size:14px}.toast-warn .icon{color:var(--warn)}.toast-error .icon{color:var(--danger)}@media (prefers-reduced-motion:no-preference){.toast{animation:sheet-in var(--med)var(--ease)}}.update{position:fixed;top:calc(12px + var(--safe-top));z-index:70;display:flex;border-radius:var(--radius-pill);background:var(--surface);box-shadow:var(--shadow-lg);white-space:nowrap;align-items: center;gap:12px;padding:6px 6px 6px 16px;font-size:14px;left:50%;translate:-50%}@media (max-width:599px){.hide-sm{display:none}.room-badge{letter-spacing:0;font-size:17px}.controls{gap:10px}.control{width:48px;height:48px}.control-danger{width:58px}}@media (prefers-reduced-motion:reduce){:root{--fast:0s;--med:0s}.progress-bar{transition:none}}.meter{appearance:none;display:block;border-radius:var(--radius-pill);background:var(--surface-3);border:0;width:100%;height:8px}.meter::-webkit-meter-bar{border-radius:var(--radius-pill);background:var(--surface-3);border:0;height:8px}.meter::-webkit-meter-optimum-value{border-radius:var(--radius-pill);background:var(--ok)}.meter::-moz-meter-bar{border-radius:var(--radius-pill);background:var(--ok)}.device-test{display:flex;flex-wrap:wrap;align-items: center;gap:12px}.device-test-meter{display:flex;flex-direction:column;flex:1;gap:4px;min-width:160px}.device-preview{overflow:hidden;aspect-ratio:16/9;border-radius:var(--radius);background:var(--stage)}.device-preview video{object-fit:cover;display:block;width:100%;height:100%}.home-actions{display:grid;gap:10px}@media (min-width:420px){.home-actions{grid-template-columns:1fr 1fr}}.lobby-files{max-width:480px}@media (min-width:860px){.lobby-files{grid-template-columns:minmax(0,1fr)}}.files{display:flex;color:var(--text);flex-direction:column;min-height:0}.files-main{border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-lg);flex:1;width:min(760px,100%);margin:0 auto 12px}.files-side{height:100%}.files-body{overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;flex:1;gap:16px;min-height:0;padding:16px}.dropzone{display:grid;border:2px dashed var(--line-strong);border-radius:var(--radius-lg);background:var(--surface-2);color:var(--text);text-align:center;cursor:pointer;transition-property:border-color,background-color;transition-duration:var(--fast);justify-items:center;gap:6px;width:100%;padding:24px 16px}.dropzone:hover{border-color:var(--accent);background:var(--accent-soft)}.dropzone-icon{display:grid;background:var(--accent-soft);color:var(--accent);border-radius:50%;place-items: center;width:48px;height:48px}.dropzone-title{font-weight:600}.dropzone-hint{color:var(--muted);max-width:420px;font-size:13px}.files-alone{display:flex;border-radius:var(--radius);background:var(--warn-soft);justify-content:space-between;align-items: center;gap:12px;padding:10px 12px;font-size:14px}.files-empty{color:var(--muted);text-align:center;padding:8px 4px;font-size:14px}.file-list{display:flex;list-style:none;flex-direction:column;gap:12px;margin:0;padding:0}.file-entry{display:flex;flex-direction:column;gap:4px}.file-entry-head{display:flex;color:var(--muted);justify-content:space-between;gap:8px;padding:0 4px;font-size:12px}.file-entry .file-card{width:100%}