:root{--bg: #ffffff;--bg-elevated: #f5f6f8;--fg: #1b1f24;--fg-muted: #5c6773;--border: #e1e4e8;--accent: #1b1f24;--accent-fg: #ffffff;--error: #cf222e;--ok: #1a7f37;--code-bg: #f5f6f8}[data-theme=dark]{--bg: #0d1117;--bg-elevated: #161b22;--fg: #e6edf3;--fg-muted: #8b949e;--border: #30363d;--accent: #e6edf3;--accent-fg: #0d1117;--error: #ff6b6b;--ok: #3fb950;--code-bg: #161b22}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}.app{display:grid;grid-template-columns:240px 1fr;grid-template-rows:56px 1fr;height:100%}.app__header{grid-column:1 / 3}.app__sidebar{grid-row:2;border-right:1px solid var(--border);background:var(--bg-elevated);overflow-y:auto}.app__main{grid-row:2;overflow-y:auto;padding:24px 28px}.header{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.header__brand{font-weight:700;font-size:16px;letter-spacing:-.01em;display:inline-flex;align-items:center;gap:8px}.sidebar__list{list-style:none;margin:0;padding:8px;display:flex;flex-direction:column;gap:2px}.sidebar__item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:none;border-radius:8px;background:transparent;color:var(--fg);font:inherit;text-align:left;cursor:pointer}.sidebar__item:hover{background:var(--bg)}.sidebar__item--active,.sidebar__item--active:hover{background:var(--accent);color:var(--accent-fg)}.sidebar__icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center}.sidebar__search{width:calc(100% - 16px);margin:8px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}.sidebar__empty{padding:12px;color:var(--fg-muted);font-size:13px}.tool{max-width:860px}.tool__title{margin:0 0 4px;font-size:22px}.tool__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}textarea.field,input.field,select.field{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--fg);font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;resize:vertical}textarea.field{min-height:140px}.output{margin-top:12px;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--code-bg);white-space:pre-wrap;word-break:break-word;font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;min-height:60px}.output--error{color:var(--error)}.btn{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;cursor:pointer}.btn:hover{border-color:var(--accent)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--bg-elevated);border:1px solid var(--border);color:var(--fg-muted);font-size:12px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.muted{color:var(--fg-muted);font-size:13px}@media (max-width: 680px){.app{grid-template-columns:1fr}.app__sidebar{grid-row:auto;grid-column:1;max-height:38vh;border-right:none;border-bottom:1px solid var(--border)}.app__main{grid-row:auto}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}mark{border-radius:3px;padding:0 1px}.app__main{scroll-padding-top:16px}.about{line-height:1.6;max-width:640px}.about__points{margin:12px 0 0;padding-left:18px}.about__points li{margin:4px 0}.sidebar__group{margin:12px 12px 2px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--fg-muted)}.sidebar__list{padding-top:0}.about__heading{margin:24px 0 12px;font-size:16px}.about__tools{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.about__tool{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--fg);font:inherit;cursor:pointer}.about__tool:hover{border-color:var(--accent)}kbd{padding:1px 6px;border:1px solid var(--border);border-radius:6px;background:var(--bg-elevated);font:12px ui-monospace,monospace}.recipe{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.recipe__step{padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg-elevated)}.recipe__step--error{border-color:var(--error)}.btn--active{border-color:var(--accent);background:var(--accent);color:var(--accent-fg)}.btn--icon{display:inline-flex;align-items:center;gap:6px}.magic{margin-bottom:12px}.magic__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.magic__guess{width:100%;text-align:left;display:block}.magic__preview{margin-top:4px;font:12px/1.4 ui-monospace,monospace;color:var(--fg-muted);white-space:pre-wrap;word-break:break-word}