:root{--bg: #0f172a;--surface: #151d31;--surface-alt: #1b2438;--border: #2a3550;--text: #e8edf7;--text-dim: #93a1bd;--accent: #22c55e;--accent-text: #04240f;--focus: #60a5fa;--danger: #ef4444;--warn: #f59e0b;--info: #38bdf8;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--output-font-size: 14px;--topbar-height: 48px;--status-height: 26px;--transition: .16s cubic-bezier(.16, 1, .3, 1);color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:14px;line-height:1.5;overflow:hidden}body.is-dragging{cursor:col-resize;-webkit-user-select:none;user-select:none}body.is-dragging .dom-frame{pointer-events:none}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:var(--radius-sm)}kbd{font-family:var(--font-mono);font-size:11px;padding:1px 5px;border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;background:var(--surface-alt);color:var(--text-dim)}.icon{flex:none}.app{height:100dvh;display:grid;grid-template-rows:var(--topbar-height) 1fr var(--status-height)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:0 var(--space-3);background:var(--surface);border-bottom:1px solid var(--border);min-width:0}.topbar-group{display:flex;align-items:center;gap:var(--space-2);min-width:0}.topbar-actions{flex:none}.brand{display:inline-flex;align-items:center;gap:var(--space-2);font-weight:600;letter-spacing:-.01em;color:var(--text)}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-text)}.brand-name{margin:0;font-size:1rem;font-weight:inherit;white-space:nowrap}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 10px;min-height:32px;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--text);font:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition)}.btn:hover:not(:disabled){background:var(--surface-alt)}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn-ghost{border-color:transparent;color:var(--text-dim)}.btn-ghost:hover:not(:disabled){color:var(--text)}.btn-primary{background:var(--accent);color:var(--accent-text);font-weight:600;padding-inline:12px}.btn-primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.08)}.btn-primary.is-running{opacity:.65}.btn-toggle{border-color:var(--border);color:var(--text-dim);font-size:12px;padding-inline:10px}.btn-toggle[aria-pressed=true]{background:color-mix(in srgb,var(--accent) 18%,transparent);border-color:color-mix(in srgb,var(--accent) 55%,transparent);color:var(--text);font-weight:600}.btn-toggle[aria-pressed=true]:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}.status-mode{color:var(--accent);font-weight:500}.btn-icon{padding:6px;width:32px;justify-content:center}.btn-sm{min-height:28px;font-size:12px}.btn-danger:hover:not(:disabled){color:var(--danger)}.btn-danger.armed{color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent)}.btn-kbd{border:none;background:color-mix(in srgb,var(--accent-text) 14%,transparent);color:inherit;opacity:.75}.save-state{font-size:12px;color:var(--text-dim);opacity:0;transition:opacity var(--transition);white-space:nowrap}.save-state.visible{opacity:1}.snippet-switcher,.settings-wrap{position:relative}.snippet-trigger{max-width:180px;border:1px solid var(--border);color:var(--text)}.snippet-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.snippet-rename-input{width:180px;min-height:32px;padding:4px 10px;border:1px solid var(--accent);border-radius:var(--radius-md);background:var(--surface-alt);color:var(--text);font:inherit;font-size:13px}.popover{position:absolute;top:calc(100% + 6px);z-index:40;min-width:250px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 14px 40px #00000059;animation:pop var(--transition) both}.snippet-menu{left:0}.settings-menu{right:0;width:290px}@keyframes pop{0%{opacity:0;transform:translateY(-4px) scale(.98)}}.popover-section{display:grid;gap:var(--space-3);padding:var(--space-3)}.popover-label{margin:0;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.popover-footer{display:flex;flex-wrap:wrap;gap:var(--space-1);padding:var(--space-2);border-top:1px solid var(--border)}.snippet-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-height:240px;overflow-y:auto}.snippet-root-drop{min-height:30px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--text-dim);font-size:11px}.snippet-root-drop.is-drop-target{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--text)}.snippet-list-item,.snippet-folder{position:relative}.snippet-list-item.is-dragging,.snippet-folder.is-dragging{opacity:.45}.snippet-list-item.drop-before:before,.snippet-list-item.drop-after:after,.snippet-folder.drop-before:before,.snippet-folder.drop-after:after{content:"";position:absolute;right:var(--space-1);left:var(--space-1);height:2px;border-radius:999px;background:var(--accent);pointer-events:none}.snippet-list-item.drop-before:before,.snippet-folder.drop-before:before{top:-1px}.snippet-list-item.drop-after:after,.snippet-folder.drop-after:after{bottom:-1px}.snippet-folder{position:relative;border:1px solid transparent;border-radius:var(--radius-sm)}.snippet-folder.is-drop-target{border-color:color-mix(in srgb,var(--accent) 70%,transparent);background:color-mix(in srgb,var(--accent) 12%,transparent)}.snippet-folder-head{display:flex;align-items:center;min-height:32px;padding-right:var(--space-1);cursor:grab}.snippet-folder-toggle{flex:1;min-width:0;min-height:32px;padding:6px 8px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text);font:inherit;font-size:13px;font-weight:600;display:flex;align-items:center;gap:var(--space-2);overflow:hidden;text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.snippet-folder-chevron{flex:none;display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px}.snippet-folder-chevron:before{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg)}.snippet-folder-toggle[aria-expanded=true] .snippet-folder-chevron:before{transform:rotate(45deg) translate(-1px,-1px)}.snippet-folder-name{overflow:hidden;text-overflow:ellipsis}.snippet-folder-toggle:hover{background:var(--surface-alt)}.snippet-folder-add{min-width:30px;height:24px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-dim);font:inherit;font-size:11px;font-weight:600;line-height:1;cursor:pointer}.ts-type-tooltip{max-width:400px;padding:6px 9px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-family:var(--font-mono);font-size:12px;white-space:pre-wrap;box-shadow:0 8px 24px #0000003d}.file-language-select{max-width:112px;padding:3px 5px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt);color:var(--text-dim);font:inherit;font-size:11px}.snippet-folder-add:hover{background:var(--surface-alt);color:var(--text)}.snippet-folder-children{display:grid;gap:2px;margin:0 0 var(--space-1);padding:0 0 0 var(--space-4);list-style:none}.snippet-item{width:100%;min-height:32px;padding:6px 10px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text);font:inherit;font-size:13px;text-align:left;cursor:pointer;transition:background var(--transition)}.snippet-item:hover{background:var(--surface-alt)}.snippet-item[aria-checked=true]{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--text);font-weight:600}.field{display:grid;gap:var(--space-2)}.field-label{display:inline-flex;align-items:center;gap:var(--space-2);font-size:12px;font-weight:500;color:var(--text-dim)}.field-hint{display:block;font-weight:400;font-size:11px;opacity:.8}.select{width:100%;min-height:32px;padding:5px 8px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-alt);color:var(--text);font:inherit;font-size:13px;cursor:pointer}.stepper{display:inline-flex;align-items:center;gap:var(--space-1);border:1px solid var(--border);border-radius:var(--radius-md);padding:2px;width:fit-content}.stepper-value{min-width:46px;text-align:center;font-family:var(--font-mono);font-size:12px;font-variant-numeric:tabular-nums}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:2px;border:1px solid var(--border);border-radius:var(--radius-md)}.segment{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:30px;padding:4px 8px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-dim);font:inherit;font-size:12px;cursor:pointer;transition:background var(--transition),color var(--transition)}.segment:hover{color:var(--text)}.segment[aria-pressed=true]{background:var(--surface-alt);color:var(--text);font-weight:600}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);cursor:pointer}.switch-row .field-label{flex:1;min-width:0;display:block}.switch{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:none;width:38px;height:22px;border-radius:999px;background:var(--surface-alt);border:1px solid var(--border);position:relative;cursor:pointer;transition:background var(--transition)}.switch:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--text-dim);transition:transform var(--transition),background var(--transition)}.switch:checked{background:var(--accent);border-color:var(--accent)}.switch:checked:after{transform:translate(16px);background:var(--accent-text)}.workspace{--split-ratio: .5;display:flex;min-height:0;background:var(--bg)}.workspace[data-orientation=vertical]{flex-direction:column}.pane{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg)}.editor-pane{flex:0 0 calc(var(--split-ratio) * 100%)}.output-pane{flex:1 1 0;border-left:1px solid var(--border)}.workspace[data-orientation=vertical] .output-pane{border-left:none;border-top:1px solid var(--border)}.workspace[data-collapsed=output] .output-pane,.workspace[data-collapsed=editor] .editor-pane{display:none}.workspace[data-collapsed=output] .editor-pane,.workspace[data-collapsed=editor] .output-pane{flex:1 1 100%}.pane-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);height:34px;padding:0 var(--space-2) 0 var(--space-3);background:var(--surface);border-bottom:1px solid var(--border);flex:none}.pane-title{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pane-tools{display:flex;align-items:center;gap:2px;flex:none}.editor-host{flex:1;min-height:0;overflow:hidden}.cm-editor{height:100%}.cm-editor.cm-focused{outline:none}.divider{flex:none;position:relative;width:7px;cursor:col-resize;background:var(--surface);border-inline:1px solid var(--border);display:flex;align-items:center;justify-content:center;touch-action:none}.workspace[data-orientation=vertical] .divider{width:auto;height:7px;cursor:row-resize;border-inline:none;border-block:1px solid var(--border)}.divider:hover,.divider:focus-visible{background:color-mix(in srgb,var(--accent) 30%,var(--surface))}.divider-grip{width:2px;height:26px;border-radius:2px;background:var(--border)}.workspace[data-orientation=vertical] .divider-grip{width:26px;height:2px}.tabs{display:flex;gap:var(--space-1);height:100%}.tab{display:inline-flex;align-items:center;gap:var(--space-2);padding:0 var(--space-2);border:none;border-bottom:2px solid transparent;background:transparent;color:var(--text-dim);font:inherit;font-size:12px;font-weight:500;cursor:pointer;transition:color var(--transition),border-color var(--transition)}.tab:hover{color:var(--text)}.tab[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent)}.tab-count{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);font-variant-numeric:tabular-nums}.tab-panel{flex:1;min-height:0;position:relative;display:flex;flex-direction:column}.console-list{flex:1;min-height:0;overflow:auto;padding:var(--space-1) 0;font-family:var(--font-mono);font-size:calc(var(--output-font-size) - 1.5px);line-height:1.55}.empty-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:var(--space-4);text-align:center;color:var(--text-dim);font-size:13px;pointer-events:none}.console-entry{display:flex;gap:var(--space-3);padding:5px var(--space-3);border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent);word-break:break-word}.console-badge{flex:none;width:3.4em;padding-top:1px;font-size:.78em;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim)}.console-body{min-width:0;flex:1}.console-line{display:flex;flex-wrap:wrap;gap:0 8px;white-space:pre-wrap}.console-location{display:inline-block;margin-top:4px;padding:0;border:0;background:none;color:var(--accent);font:inherit;font-size:11px;text-align:left;cursor:pointer}.console-location:hover{text-decoration:underline}.token-number,.token-bigint{color:var(--warn)}.token-boolean,.token-null,.token-undefined{color:var(--info)}.token-function{font-style:italic;color:var(--text-dim)}.level-warn{background:color-mix(in srgb,var(--warn) 9%,transparent)}.level-warn .console-badge,.level-warn .console-line{color:var(--warn)}.level-error{background:color-mix(in srgb,var(--danger) 10%,transparent)}.level-error .console-badge,.level-error .console-line{color:var(--danger)}.level-info .console-badge,.level-info .console-line{color:var(--info)}.level-debug .console-line,.level-trace .console-line{color:var(--text-dim)}.console-expand{margin-top:3px;padding:1px 7px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--text-dim);font-family:var(--font-sans);font-size:.86em;cursor:pointer;transition:color var(--transition),border-color var(--transition)}.console-expand:hover{color:var(--text);border-color:var(--text-dim)}.console-detail{margin:var(--space-2) 0 var(--space-1);padding:var(--space-2) var(--space-3);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow-x:auto;font-size:.94em;color:var(--text-dim);white-space:pre}.console-trace{margin-top:var(--space-1)}.console-group{border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent)}.console-group-summary{padding:5px var(--space-3);color:var(--text);cursor:pointer;font-weight:600;list-style-position:inside}.console-group-summary::marker{color:var(--text-dim)}.console-group-body{border-left:2px solid var(--border);margin-left:var(--space-4)}.console-group-body .console-entry{border-bottom:none}.console-table-scroll{overflow-x:auto;max-width:100%}.console-table{border-collapse:collapse;font-size:.94em;min-width:240px}.console-table th,.console-table td{border:1px solid var(--border);padding:3px 8px;text-align:left;white-space:nowrap}.console-table th{background:var(--surface-alt);color:var(--text-dim);font-weight:600}.console-table-index{color:var(--text-dim);font-variant-numeric:tabular-nums}.dom-frame-wrap{flex:1;min-height:0;background:#fff}.dom-frame{width:100%;height:100%;border:none;display:block}.statusbar{display:flex;align-items:center;gap:var(--space-4);padding:0 var(--space-3);background:var(--surface);border-top:1px solid var(--border);font-size:11px;color:var(--text-dim)}.status-item{font-variant-numeric:tabular-nums;white-space:nowrap}.status-spacer{flex:1}.dialog{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);color:var(--text);padding:var(--space-4);width:min(420px,calc(100vw - 32px));box-shadow:0 20px 60px #00000073}.dialog::backdrop{background:#00000080}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.dialog-title{margin:0;font-size:15px;font-weight:600}.shortcut-list{margin:0;display:grid;gap:var(--space-2)}.shortcut{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);font-size:13px}.shortcut dt{color:var(--text-dim)}.shortcut dd{margin:0;display:flex;align-items:center;gap:3px;font-size:12px;color:var(--text-dim)}.tooltip{position:fixed;top:0;left:0;z-index:80;display:flex;align-items:center;gap:var(--space-2);max-width:260px;padding:5px 9px;background:var(--surface-alt);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-md);font-size:12px;line-height:1.35;pointer-events:none;box-shadow:0 8px 24px #00000059;animation:tooltip-in .12s ease-out both}.tooltip-keys{flex:none;font-family:var(--font-mono);font-size:11px;color:var(--text-dim);padding:1px 5px;border:1px solid var(--border);border-radius:4px}@keyframes tooltip-in{0%{opacity:0}}.toast{position:fixed;left:50%;bottom:calc(var(--status-height) + 16px);transform:translate(-50%);z-index:60;padding:8px 14px;background:var(--surface-alt);border:1px solid var(--border);border-radius:999px;font-size:12.5px;box-shadow:0 10px 30px #00000059;animation:toast-in var(--transition) both}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}@media(max-width:720px){.workspace{flex-direction:column}.editor-pane{flex:0 0 50%}.divider{width:auto;height:7px;cursor:row-resize;border-inline:none;border-block:1px solid var(--border)}.divider-grip{width:26px;height:2px}.output-pane{border-left:none;border-top:1px solid var(--border)}.brand-name,.btn-kbd{display:none}.settings-menu{width:min(290px,calc(100vw - 24px))}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}