.create-canvas-dialog{border:1px solid var(--line);background:var(--surface);width:min(480px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--text-main);border-radius:20px;margin:auto;padding:28px;overflow:auto;box-shadow:0 24px 80px #28204247}.create-canvas-dialog::backdrop{background:#2820428c}.create-canvas-dialog form{gap:18px;display:grid}.create-canvas-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.create-canvas-heading h2{font-size:22px}.create-canvas-heading button{width:44px;min-height:44px;padding:0}.create-canvas-dialog label{color:var(--text-sub);gap:7px;display:grid}.create-canvas-dialog input{width:100%;min-height:44px}.create-canvas-presets{border:0;min-width:0;margin:0;padding:0}.create-canvas-presets legend{color:var(--text-sub);margin-bottom:8px}.create-canvas-presets>div{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.create-canvas-presets button{min-height:44px;padding:8px 4px}.create-canvas-presets button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.create-canvas-size{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:end;gap:12px;display:grid}.create-canvas-size>span{color:var(--text-sub);padding-bottom:10px}.create-canvas-hint,.create-canvas-error{margin:-8px 0 0;font-size:13px}.create-canvas-hint{color:var(--text-sub)}.create-canvas-error{color:#c74646}.create-canvas-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.create-canvas-actions button{min-height:44px}@media (max-width:480px){.create-canvas-dialog{padding:20px}.create-canvas-actions button{flex:1}}