@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600&display=swap";:root{--color-background:#fff;--color-surface:#fff;--color-border:#e4e4e7;--color-text-primary:#18181b;--color-text-secondary:#71717a;--color-accent:#18181b;--font-display:"JetBrains Mono", monospace;--font-body:"Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:4px}@media (prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}html,body{background:var(--color-background);height:100%;color:var(--color-text-primary);font-family:var(--font-body)}#app{min-height:100vh;position:relative;overflow:hidden}#background-canvas{z-index:0;width:100%;height:100%;position:fixed;top:0;left:0}#content{z-index:1;flex-direction:column;gap:1.25rem;min-height:100vh;padding:1.5rem 2rem 2rem;display:flex;position:relative}#header{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}#header h1{font-family:var(--font-display);letter-spacing:-.03em;color:var(--color-text-primary);font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700}#subtitle{color:var(--color-text-secondary);margin-top:.2rem;font-size:.9rem;font-weight:500}#header-controls{align-items:center;gap:.6rem;display:flex}#version-badge,#engine-badge{font-family:var(--font-display);border:1px solid var(--color-border);color:var(--color-text-secondary);letter-spacing:.02em;white-space:nowrap;border-radius:999px;padding:.35rem .9rem;font-size:.8rem}.benchmark-widget{position:relative}.benchmark-panel[hidden]{display:none}.benchmark-panel{z-index:5;background:var(--color-background);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:.6rem;width:min(280px,100vw - 2rem);max-width:calc(100vw - 2rem);padding:.75rem .85rem;display:flex;position:absolute;top:calc(100% + .4rem);right:0;box-shadow:0 8px 24px #18181b1a}.benchmark-panel-title{font-family:var(--font-display);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-secondary);font-size:.7rem;font-weight:600}.benchmark-panel-status{color:var(--color-text-secondary);font-size:.78rem}.benchmark-task{flex-direction:column;gap:.3rem;display:flex}.benchmark-task-label{color:var(--color-text-primary);font-size:.78rem;font-weight:600}.benchmark-bar-row{align-items:center;gap:.5rem;display:flex}.benchmark-bar-name{width:42px;font-family:var(--font-display);color:var(--color-text-secondary);flex-shrink:0;font-size:.68rem}.benchmark-bar-track{background:#f4f4f5;border-radius:4px;flex:1;height:8px;overflow:hidden}.benchmark-bar-fill{background:var(--color-accent);border-radius:4px;height:100%}.benchmark-bar-value{text-align:right;width:70px;font-family:var(--font-display);color:var(--color-text-secondary);flex-shrink:0;font-size:.68rem}.benchmark-speedup{color:var(--color-text-secondary);font-size:.72rem}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.editor-mount.editor-mount-dragover{outline:2px dashed var(--color-accent);outline-offset:-2px;background:#fafafa}.export-widget{position:relative}.export-panel[hidden]{display:none}.export-panel{z-index:5;background:var(--color-background);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:.3rem;width:min(140px,100vw - 2rem);padding:.5rem;display:flex;position:absolute;top:calc(100% + .4rem);right:0;box-shadow:0 8px 24px #18181b1a}.export-panel-item{font-family:var(--font-body);color:var(--color-text-primary);background:var(--color-background);text-align:left;cursor:pointer;border:1px solid #0000;border-radius:6px;padding:.4rem .5rem;font-size:.8rem;font-weight:500}.export-panel-item:hover{background:#f4f4f5}.history-widget{position:relative}.history-panel[hidden]{display:none}.history-panel{z-index:5;background:var(--color-background);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:.4rem;width:min(320px,100vw - 2rem);max-width:calc(100vw - 2rem);max-height:340px;padding:.6rem;display:flex;position:absolute;top:calc(100% + .4rem);left:0;overflow-y:auto;box-shadow:0 8px 24px #18181b1a}.history-panel-empty{color:var(--color-text-secondary);padding:.3rem;font-size:.78rem}.history-entry{border:1px solid var(--color-border);cursor:pointer;text-align:left;background:var(--color-background);border-radius:6px;flex-direction:column;gap:.2rem;padding:.5rem .6rem;display:flex}.history-entry:hover{background:#f4f4f5}.history-entry-meta{font-family:var(--font-display);color:var(--color-text-secondary);justify-content:space-between;font-size:.68rem;display:flex}.history-entry-preview{font-family:var(--font-display);color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}#status-bar{flex-wrap:wrap;gap:.75rem;display:flex}#status-bar span{font-family:var(--font-display);color:var(--color-text-secondary);border:1px solid var(--color-border);background:#fafafa;border-radius:6px;padding:.3rem .65rem;font-size:.75rem}#editors{flex:1;grid-template-columns:1fr 1fr;gap:1.25rem;min-height:0;display:grid}.editor-panel{border:1px solid var(--color-border);background:var(--color-background);border-radius:10px;flex-direction:column;min-height:0;display:flex;overflow:hidden}.editor-panel-header{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);background:#fafafa;justify-content:space-between;align-items:center;padding:.6rem 1rem;font-size:.75rem;font-weight:600;display:flex}.header-actions{align-items:center;gap:.5rem;display:flex}.rules-widget{position:relative}.rules-panel[hidden]{display:none}.rules-panel{z-index:5;background:var(--color-background);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:.4rem;width:min(190px,100vw - 2rem);padding:.6rem .7rem;display:flex;position:absolute;top:calc(100% + .4rem);right:0;box-shadow:0 8px 24px #18181b1a}.rules-panel-item{font-family:var(--font-body);color:var(--color-text-primary);cursor:pointer;text-transform:none;letter-spacing:normal;align-items:center;gap:.5rem;font-size:.78rem;font-weight:500;display:flex}.rules-panel-item input{accent-color:var(--color-accent)}.mode-toggle{font-family:var(--font-display);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-primary);background:var(--color-background);border:1px solid var(--color-border);cursor:pointer;border-radius:999px;padding:.3rem .75rem;font-size:.7rem;font-weight:600}.mode-toggle:hover{background:#f4f4f5}.mode-toggle:active{background:#e4e4e7}.editor-mount{flex:1;min-height:0;overflow:auto}@media (max-width:1024px){#content{padding:1.25rem 1.25rem 1.5rem}#header-controls{justify-content:flex-start;width:100%}}@media (max-width:860px){#editors{grid-template-columns:1fr}.editor-panel{min-height:320px}}@media (max-width:640px){#header{flex-direction:column;align-items:flex-start}.header-actions{flex-wrap:wrap;row-gap:.4rem}#status-bar span{text-align:center;flex:auto}}