:root{
  --bg:#fff7e6;
  --card:#fffef9;
  --ink:#241a0f;
  --muted:#7c6b57;
  --brand:#d97706;
  --brand2:#f59e0b;
  --line:#ead8bb;
  --code:#101827;
  --codeInk:#f8fafc;
  --soft:#fff1d6;
  --good:#166534;
  --bad:#b91c1c;
  --shadow:0 16px 42px rgba(120,72,12,.14);
  --radius:20px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}
body[data-theme="dark"]{
  --bg:#0b1220;
  --card:#111827;
  --ink:#f8fafc;
  --muted:#cbd5e1;
  --brand:#f59e0b;
  --brand2:#fbbf24;
  --line:#334155;
  --code:#020617;
  --codeInk:#e5e7eb;
  --soft:#1e293b;
  --shadow:0 18px 46px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:
    radial-gradient(900px 500px at 10% -10%,rgba(245,158,11,.30),transparent 60%),
    radial-gradient(900px 500px at 100% 0%,rgba(217,119,6,.18),transparent 60%),
    linear-gradient(180deg,var(--bg),color-mix(in srgb, var(--bg) 78%, white) 55%,var(--bg));
}
.app{max-width:1400px;margin:0 auto;padding:18px;min-height:100vh}
.hero{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--card),var(--soft));
  border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow);
}
.eyebrow{margin:0 0 6px;color:var(--brand);font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
h1{margin:0;font-size:clamp(28px,4vw,48px);line-height:1.05}
.subtitle{margin:10px 0 0;color:var(--muted);font-size:16px;line-height:1.5}
.heroActions,.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.quickStart{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}
.tip{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 10px 22px rgba(120,72,12,.08)}
.tip b{display:grid;place-items:center;width:30px;height:30px;border-radius:999px;background:linear-gradient(180deg,var(--brand2),var(--brand));color:#111827}
.tip span{font-weight:800;font-size:13px}
.toolbar{position:sticky;top:0;z-index:20;margin:14px 0;padding:12px;background:color-mix(in srgb, var(--card) 88%, transparent);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.btn,.miniBtn,select,input{
  border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:14px;padding:10px 12px;font-weight:900;font-size:14px;outline:none;
}
.btn{cursor:pointer;box-shadow:0 8px 18px rgba(120,72,12,.10)}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(180deg,var(--brand2),var(--brand));border-color:transparent;color:#111827}
.btn.danger{border-color:#f3c7c7;color:var(--bad)}
.miniBtn{padding:7px 10px;cursor:pointer;font-size:12px}
.control{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:900}
.moduleControl{flex:1;min-width:260px}.moduleControl input{width:100%;font-family:var(--mono);font-weight:700}
.status{margin-left:auto;color:var(--muted);font-size:13px;font-weight:900}
.status.ok{color:var(--good)}.status.bad{color:var(--bad)}
.typingAids{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:-2px 0 14px;color:var(--muted);font-size:13px;font-weight:800}.typingAids b{padding:7px 10px;border-radius:999px;border:1px solid var(--line);background:color-mix(in srgb, var(--card) 84%, transparent);color:var(--ink);font-size:12px}
.workspace{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(330px,.65fr);gap:14px;align-items:stretch}
.card{background:color-mix(in srgb, var(--card) 90%, transparent);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.cardHead{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:linear-gradient(180deg,var(--soft),var(--card));border-bottom:1px solid var(--line)}
.cardActions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.cardHead h2{margin:0;font-size:16px}.hint{color:var(--muted);font-size:12px;font-weight:800}
.codeCard{min-height:680px;display:flex;flex-direction:column}.editorWrap{flex:1;display:grid;grid-template-columns:auto 1fr;background:var(--code);min-height:620px}
.gutter{margin:0;min-width:56px;padding:14px 10px;text-align:right;color:rgba(248,250,252,.45);border-right:1px solid rgba(255,255,255,.08);font-family:var(--mono);font-size:16px;line-height:1.55;user-select:none;overflow:hidden}
#ppCode{width:100%;height:100%;resize:none;border:0;outline:0;padding:14px;background:transparent;color:var(--codeInk);font-family:var(--mono);font-size:16px;line-height:1.55;tab-size:4;white-space:pre;overflow:auto}
.side{display:grid;gap:14px;align-content:start}.ioBox{width:100%;min-height:120px;resize:vertical;border:0;outline:0;padding:14px;font-family:var(--mono);font-size:15px;line-height:1.5;background:var(--card);color:var(--ink)}
.output{margin:0;min-height:150px;max-height:260px;overflow:auto;padding:14px;background:#111827;color:#f8fafc;font-family:var(--mono);font-size:15px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.errorBox{color:#fecaca}
.ioToggleCard.ioExpanded{position:fixed;left:18px;right:18px;top:92px;bottom:18px;z-index:90;display:flex;flex-direction:column}
.ioToggleCard.ioExpanded .cardHead{flex:0 0 auto}
.ioToggleCard.ioExpanded .ioBox{flex:1;min-height:0;height:100%;resize:none}
.ioToggleCard.ioExpanded .output{flex:1;min-height:0;max-height:none;height:100%}
body.ioExpandedMode{overflow:hidden}
.plotPanel{margin-top:14px;background:color-mix(in srgb, var(--card) 90%, transparent);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.plotPanelHead{border-bottom:1px solid var(--line)}
.plots{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;padding:14px}.plot{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}.plotHead{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;color:#111827}.plotActions{display:flex;gap:8px;align-items:center}.plotDownloadLink{text-decoration:none;display:inline-block;color:#111827}.plotPreview{width:100%;border:0;padding:0;background:transparent;cursor:pointer}.plot img{width:100%;display:block;border-radius:12px;background:#fff}.plotPreview:hover img{outline:3px solid color-mix(in srgb, var(--brand) 45%, transparent)}
body[data-plot-mode="hidden"] .plotPanel{display:none}.plotControl select{min-width:150px}
.plotModal{position:fixed;inset:0;z-index:100000;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(2,6,23,.72);backdrop-filter:blur(10px)}.plotModal.show{display:flex}.plotModalCard{width:min(1100px,96vw);max-height:94vh;display:flex;flex-direction:column;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.38);overflow:hidden}.plotModalHead,.plotModalFoot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:linear-gradient(180deg,var(--soft),var(--card));border-bottom:1px solid var(--line)}.plotModalFoot{border-top:1px solid var(--line);border-bottom:0}.plotModalHead h2{margin:0;font-size:18px}.plotModalBody{position:relative;min-height:260px;padding:14px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;overflow:auto;background:#fff}.plotModalBody img{max-width:100%;max-height:72vh;margin:auto;display:block;border-radius:14px;background:#fff}.plotNav{width:42px;height:72px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.92);color:#111827;font-size:42px;line-height:1;cursor:pointer;box-shadow:0 12px 28px rgba(0,0,0,.15)}.plotNav:disabled{opacity:.45;cursor:not-allowed}.modalOpen{overflow:hidden}
.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#111827;color:#fff;border-radius:999px;padding:11px 14px;opacity:0;pointer-events:none;transition:.2s;z-index:99999;max-width:min(92vw,900px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
body[data-theme="dark"] .hero,body[data-theme="dark"] .toolbar,body[data-theme="dark"] .tip,body[data-theme="dark"] .typingAids b{background-color:var(--card)}
body[data-theme="dark"] .subtitle,body[data-theme="dark"] .hint,body[data-theme="dark"] .status,body[data-theme="dark"] .control{color:var(--muted)}
body.fullscreen{overflow:hidden}.app.fullscreen{position:fixed;inset:0;z-index:9999;max-width:none;background:var(--bg);overflow:auto;padding:12px}.app.fullscreen .hero,.app.fullscreen .quickStart{display:none}.app.fullscreen .toolbar{margin-top:0}.app.fullscreen .workspace{height:calc(100vh - 92px)}.app.fullscreen .codeCard{min-height:0}.app.fullscreen .editorWrap{min-height:0}.app.fullscreen .side{overflow:auto}
@media(max-width:980px){.workspace{grid-template-columns:1fr}.quickStart{grid-template-columns:repeat(2,1fr)}.status{margin-left:0}.codeCard{min-height:560px}.editorWrap{min-height:500px}}
@media(max-width:560px){.plotModal{padding:8px}.plotModalBody{grid-template-columns:1fr}.plotNav{width:100%;height:42px}.plotModalFoot{align-items:stretch;flex-direction:column}.plotActions{flex-wrap:wrap}}
@media(max-width:560px){.app{padding:10px}.hero{padding:16px;border-radius:22px}.quickStart{grid-template-columns:1fr}.toolbar{position:static}.btn,.miniBtn,select,input{width:100%;justify-content:center}.control,.moduleControl{width:100%;align-items:stretch;flex-direction:column}.side{grid-template-columns:1fr}.codeCard{min-height:520px}.editorWrap{min-height:460px}}