:root{--accent: #ffaff3;--accent-strong: #d900b8;--header-h: 44px;--bar-h: 56px;--bg: #fefefc;--bg-panel: #f5f2f9;--bg-raised: #ffffff;--fg: #2f2f2f;--fg-dim: #6b6b6b;--border: #e0dbe6;--run-fg: #3a2d36;--error: #c02040;--warning: #a06000;--mono: "SF Mono", "Cascadia Code", Consolas, Menlo, monospace}[data-theme=dark]{--bg: #2f2f2f;--bg-panel: #292929;--bg-raised: #3a3a3a;--fg: #fefefc;--fg-dim: #a8a8a8;--border: #4a4a4a;--run-fg: #2f2f2f;--error: #ff6b8b;--warning: #ffc060;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;overscroll-behavior:none}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%}#app{display:flex;flex-direction:column;height:100dvh;padding-bottom:env(safe-area-inset-bottom)}.header{flex:0 0 var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 4px 0 12px;border-bottom:1px solid var(--border);padding-left:max(12px,env(safe-area-inset-left));padding-right:max(4px,env(safe-area-inset-right))}.header-title{font-size:15px;font-weight:600;margin:0}.header-star{color:var(--accent-strong);margin-right:6px}[data-theme=dark] .header-star{color:var(--accent)}.icon-button{min-width:44px;min-height:44px;border:none;background:none;color:var(--fg);font-size:20px;cursor:pointer;border-radius:8px}.panes{flex:1 1 auto;display:flex;flex-direction:column;min-height:0}.editor-pane{flex:0 1 auto;height:60%;min-height:15%;overflow:hidden}.output-pane{flex:1 1 0;min-height:15%;display:flex;flex-direction:column;background:var(--bg-panel);min-width:0}.divider{flex:0 0 14px;position:relative;background:var(--bg-panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border);cursor:row-resize;touch-action:none;display:flex;align-items:center;justify-content:center}.divider:before{content:"";position:absolute;inset:-15px 0}.divider-grip{width:36px;height:4px;border-radius:2px;background:var(--fg-dim);opacity:.6;pointer-events:none}@media(orientation:landscape),(min-width:768px){.panes{flex-direction:row}.editor-pane{height:auto!important;width:60%;min-width:20%;min-height:0}.output-pane{min-height:0;min-width:20%}.divider{cursor:col-resize;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border)}.divider:before{inset:0 -15px}.divider-grip{width:4px;height:36px}}.editor-pane .cm-editor{height:100%;font-size:var(--editor-font-size, 14px)}.editor-pane .cm-scroller{font-family:var(--mono)}.editor-pane .cm-editor.cm-focused{outline:none}.output-tabs{flex:0 0 auto;display:flex;border-bottom:1px solid var(--border);overflow-x:auto}.output-tab{min-height:44px;padding:0 14px;border:none;background:none;color:var(--fg-dim);font-size:13px;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent}.output-tab.is-active{color:var(--fg);border-bottom-color:var(--accent-strong)}[data-theme=dark] .output-tab.is-active{border-bottom-color:var(--accent)}.tab-badge{display:inline-block;margin-left:6px;min-width:18px;padding:1px 5px;border-radius:9px;background:var(--error);color:#fff;font-size:11px}.output-body{flex:1 1 auto;overflow:auto;padding:10px 12px;font-family:var(--mono);font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;margin:0}.output-line-error{color:var(--error)}.output-placeholder{color:var(--fg-dim);font-family:system-ui,sans-serif}.diagnostic{margin-bottom:12px}.diagnostic-loc{color:var(--accent-strong);text-decoration:underline;cursor:pointer;background:none;border:none;font:inherit;padding:8px 0}[data-theme=dark] .diagnostic-loc{color:var(--accent)}.diagnostic-error{color:var(--error)}.diagnostic-warning{color:var(--warning)}.kbd-toolbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;gap:6px;padding:5px 8px;overflow-x:auto;background:var(--bg-raised);border-top:1px solid var(--border);scrollbar-width:none}.kbd-toolbar::-webkit-scrollbar{display:none}.kbd-toolbar[hidden]{display:none}.kbd-key{flex:0 0 auto;min-width:44px;min-height:40px;padding:0 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg-panel);color:var(--fg);font-family:var(--mono);font-size:15px;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none}.kbd-key:active,.kbd-key.is-pressed{background:var(--accent);color:var(--run-fg)}.bottom-bar{flex:0 0 var(--bar-h);display:flex;gap:10px;align-items:center;padding:6px 12px;border-top:1px solid var(--border);padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.run-button{flex:1 1 auto;min-height:44px;border:none;border-radius:10px;background:var(--accent);color:var(--run-fg);font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.run-button:disabled{opacity:.55;cursor:default}.run-button.is-running .run-icon{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.run-button.is-running .run-icon{animation:none}}.bar-button{flex:0 0 auto;min-width:64px;min-height:44px;border:1px solid var(--border);border-radius:10px;background:var(--bg-panel);color:var(--fg);font-size:14px;cursor:pointer}.sheet-backdrop{position:fixed;inset:0;background:#0006;z-index:40}.bottom-sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;max-height:70dvh;overflow-y:auto;background:var(--bg-raised);border-radius:16px 16px 0 0;padding:8px 0 max(8px,env(safe-area-inset-bottom));box-shadow:0 -4px 24px #00000040}@media(min-width:768px){.bottom-sheet{left:50%;right:auto;transform:translate(-50%);width:480px}}.sheet-title{margin:8px 16px;font-size:14px;font-weight:600;color:var(--fg-dim)}.sheet-item{display:block;width:100%;min-height:48px;padding:8px 16px;border:none;background:none;color:var(--fg);font-size:15px;text-align:left;cursor:pointer}.sheet-item:active{background:var(--bg-panel)}.sheet-item-desc{display:block;font-size:12px;color:var(--fg-dim);margin-top:2px}.sheet-row{display:flex;align-items:center;gap:8px;padding:8px 16px;min-height:48px}.sheet-row-label{flex:1;font-size:15px}.seg-button{min-height:40px;min-width:44px;padding:0 12px;border:1px solid var(--border);background:var(--bg-panel);color:var(--fg);border-radius:8px;font-size:14px;cursor:pointer}.seg-button.is-active{background:var(--accent);color:var(--run-fg);border-color:var(--accent)}.toast-root{position:fixed;left:50%;bottom:calc(var(--bar-h) + env(safe-area-inset-bottom) + 16px);transform:translate(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:12px;max-width:min(92vw,480px);padding:10px 16px;border-radius:10px;background:var(--fg);color:var(--bg);font-size:14px;box-shadow:0 4px 16px #0000004d}.toast-action{border:none;background:none;color:var(--accent-strong);font-weight:600;font-size:14px;cursor:pointer;min-height:44px}[data-theme=dark] .toast-action{color:var(--accent-strong)}