:root{--bg: #121214;--surface: #1e1e22;--surface-2: #2a2a30;--text: #e8e8ec;--muted: #9a9aa4;--accent: #7c5cff;--accent-2: #ff5c9a;--danger: #ff4d4d;--radius: 8px;--gap: 12px;--topbar-h: 52px}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}#app{display:grid;grid-template-rows:var(--topbar-h) 1fr;grid-template-columns:1fr auto;grid-template-areas:"topbar topbar" "workspace settings"}.topbar{grid-area:topbar;display:flex;align-items:center;justify-content:space-between;padding:0 var(--gap);background:var(--surface);border-bottom:1px solid var(--surface-2)}.topbar h1{margin:0;font-size:1.1rem;letter-spacing:-.02em}.actions{display:flex;gap:8px}button,select{font:inherit;color:inherit;background:var(--surface-2);border:1px solid #3f3f48;border-radius:var(--radius);padding:6px 12px;cursor:pointer;transition:background .15s,border-color .15s}button:hover,select:hover{background:#36363d;border-color:#585868}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:#6a4be6}button:disabled{opacity:.5;cursor:not-allowed}.workspace{grid-area:workspace;display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:var(--gap);padding:var(--gap);overflow:hidden;min-width:0}.editor-pane,.screen-pane{display:flex;flex-direction:column;min-width:0;min-height:0}#editor{flex:1;width:100%;resize:none;background:var(--surface);color:var(--text);border:1px solid var(--surface-2);border-radius:var(--radius);padding:var(--gap);font-family:SF Mono,Monaco,Cascadia Code,Fira Code,monospace;font-size:14px;line-height:1.45;-moz-tab-size:2;tab-size:2;outline:none}#editor:focus{border-color:var(--accent)}.screen-pane{align-items:center;justify-content:center;gap:var(--gap)}.screens{display:flex;flex-direction:column;align-items:center;gap:var(--gap);min-height:0}.screen-frame{position:relative;flex:0 0 auto;background:#000;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 32px #00000059}.screen-frame-bottom:has(>canvas[hidden]){display:none}#screen,#screen-bottom{display:block;width:400px;height:240px;image-rendering:auto}#screen-bottom{width:320px}#screen.pixelated,#screen-bottom.pixelated{image-rendering:pixelated;image-rendering:crisp-edges}#screen.fit,#screen-bottom.fit{width:100%;height:100%}.touch-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(circle at 50% 50%,rgba(124,92,255,.12),transparent 70%);border:1px dashed rgba(124,92,255,.35);opacity:1;transition:opacity .2s}.touch-overlay.hidden{opacity:0}.sb-input-line{position:absolute;bottom:0;left:0;width:100%;padding:4px 8px;border:none;border-top:1px solid rgba(255,255,255,.15);background:#000c;color:#f8f8f8;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.4;caret-color:#f8f8f8;z-index:10}.sb-input-line:focus{outline:1px solid rgba(124,92,255,.5)}.screen-hint{margin:0;color:var(--muted);font-size:.8rem;text-align:center}.settings{grid-area:settings;width:280px;background:var(--surface);border-left:1px solid var(--surface-2);display:flex;flex-direction:column;transition:transform .2s ease}.settings.hidden{display:none}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:var(--gap);border-bottom:1px solid var(--surface-2)}.settings-header h2{margin:0;font-size:1rem}#btn-close-settings{padding:2px 8px;font-size:1.2rem;line-height:1}.settings-body{flex:1;overflow-y:auto;padding:var(--gap);display:flex;flex-direction:column;gap:var(--gap)}details{background:var(--bg);border:1px solid var(--surface-2);border-radius:var(--radius);padding:var(--gap)}summary{font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.settings-body label{display:flex;align-items:center;gap:8px;margin-top:10px;cursor:pointer;flex-wrap:wrap}.settings-body select{margin-left:auto;padding:4px 8px}.keymap{margin-top:10px;display:grid;gap:8px;color:var(--muted);font-size:.9rem}kbd{font-family:SF Mono,Monaco,monospace;background:var(--surface-2);border:1px solid #3f3f48;border-radius:4px;padding:2px 6px;font-size:.8rem;color:var(--text)}#btn-clear-storage{width:100%;margin-top:10px;color:var(--danger);border-color:var(--danger)}.error-banner{position:fixed;top:var(--topbar-h);left:0;right:0;z-index:20;display:flex;align-items:center;gap:var(--gap);padding:10px var(--gap);background:#2a1a1a;color:#ffadad;border-bottom:2px solid var(--danger);box-shadow:0 4px 16px #00000059}.error-banner.hidden{display:none}#error-message{flex:1;font-family:SF Mono,Monaco,Cascadia Code,Fira Code,monospace;font-size:.9rem;line-height:1.4;white-space:pre-wrap;word-break:break-word}#btn-error-close{flex:0 0 auto;background:transparent;border-color:transparent;color:#ffadad;font-size:1.2rem;line-height:1;padding:2px 8px}#btn-error-close:hover{background:#ffffff1a}.hint{margin:8px 0 0;font-size:.8rem;color:var(--muted)}@media (max-width: 860px){.workspace{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.screen-pane{align-items:stretch}#screen{width:100%;height:auto;max-width:400px;margin:0 auto}#screen-bottom{width:100%;height:auto;max-width:320px;margin:0 auto}.settings{position:fixed;inset:var(--topbar-h) 0 0 auto;z-index:10;box-shadow:-4px 0 24px #0006}}