:root {
  --bg: #fbf8f3; --fg: #231f1a; --muted: #6f655a; --card: #ffffff; --line: #e6ddd0;
  --accent: #c2410c; --accent-fg: #ffffff; --ok: #15803d; --bad: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #17140f; --fg: #f3ede4; --muted: #a79b8c; --card: #221e17; --line: #3a3328; --accent: #f97316; --accent-fg: #1a1208; --ok: #4ade80; --bad: #f87171; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 34rem; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
h1 { font-size: 1.75rem; margin: 0.5rem 0; letter-spacing: -0.02em; }
h2 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }
p { margin: 0.5rem 0; }
.muted { color: var(--muted); font-size: 0.9rem; }
label { display: block; font-weight: 600; margin: 1rem 0 0.25rem; }
input[type=text] { width: 100%; padding: 0.65rem 0.75rem; font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 0.5rem; }
input[type=text]:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; }
.row input { flex: 1; }
button, .btn { font: inherit; padding: 0.65rem 1rem; border-radius: 0.5rem; border: 1px solid var(--line); background: var(--card); color: var(--fg); cursor: pointer; text-decoration: none; display: inline-block; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; font-weight: 700; }
button.danger { color: var(--bad); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 0.75rem; padding: 0.75rem 1rem; margin: 0.5rem 0; }
ul.plain { list-style: none; padding: 0.25rem 1rem; margin: 0.5rem 0; }
ul.plain li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
ul.plain li:last-child { border-bottom: 0; }
.ok { color: var(--ok); } .wait { color: var(--muted); }
.error { color: var(--bad); font-weight: 600; margin-top: 0.75rem; }
.badge { display: inline-block; font-size: 0.8rem; padding: 0.1rem 0.6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.result { text-align: center; padding: 1.75rem 1rem; border: 2px solid var(--accent); border-radius: 1rem; background: var(--card); margin: 1rem 0; }
.result .label { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; word-break: break-word; }
.result.spinning .label { opacity: 0.85; }
.result.landed .label { animation: pop 450ms cubic-bezier(.2,1.6,.4,1); }
@keyframes pop { from { transform: scale(0.6); } to { transform: scale(1); } }
.linkbox { word-break: break-all; font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0.5rem; }
@media (prefers-reduced-motion: reduce) { .result.landed .label { animation: none; } }