:root {
  --bg: #f6f5f2; --panel: #ffffff; --ink: #1d1d1f; --muted: #6b6b70; --line: #deddd8;
  --accent: #c2410c; --accent-ink: #ffffff; --ok: #1f7a4d; --bad: #b42318; --code: #f0efeb;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141416; --panel: #1d1d21; --ink: #ececee; --muted: #9a9aa2; --line: #2f2f35;
    --accent: #fb923c; --accent-ink: #1d1d1f; --ok: #5fd394; --bad: #ff7b6e; --code: #26262b;
  }
}
:root[data-theme="dark"] {
  --bg: #141416; --panel: #1d1d21; --ink: #ececee; --muted: #9a9aa2; --line: #2f2f35;
  --accent: #fb923c; --accent-ink: #1d1d1f; --ok: #5fd394; --bad: #ff7b6e; --code: #26262b;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code); padding: 1px 5px; border-radius: 4px; }

header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.mark { width: 64px; height: 64px; flex: none; fill: var(--accent); }
.mark .eye { fill: var(--bg); }
h1 { font-size: 2.2rem; margin: 0; line-height: 1.1; }
.tag { margin: 2px 0 0; color: var(--muted); }

form { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
label { display: block; font-weight: 600; margin-bottom: 8px; }
.row { display: flex; gap: 8px; }
input {
  flex: 1; min-width: 0; padding: 10px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer;
  color: var(--accent-ink); background: var(--accent); border: 0; border-radius: 8px;
}
button:disabled { opacity: 0.6; cursor: progress; }

#result { margin-top: 20px; padding: 16px 20px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.short { margin: 0; font-size: 1.25rem; font-weight: 600; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.short a { color: var(--accent); word-break: break-all; }
#copy { padding: 4px 12px; font-size: 0.85rem; }
.long { margin: 6px 0 0; color: var(--muted); font-size: 0.9rem; word-break: break-all; }
.error { margin-top: 16px; color: var(--bad); }

.trace { margin-top: 48px; }
h2 { font-size: 1.05rem; margin: 0 0 6px; }
.muted { color: var(--muted); margin: 0 0 12px; font-size: 0.95rem; }
.trace { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font: 0.85rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
td[data-origin="s3"] { color: var(--ok); }
td[data-origin="app"] { color: var(--accent); }

@media (max-width: 520px) {
  .row { flex-direction: column; }
  h1 { font-size: 1.8rem; }
}

/* 404.html: the short cat again, eyes shut. */
.nf { text-align: center; padding-top: 12vh; }
.nf-cat { width: 160px; height: 160px; fill: var(--accent); }
.nf-cat .eye { fill: none; stroke: var(--bg); stroke-width: 1.4; stroke-linecap: round; }
.nf-cat path.eye:last-child { fill: var(--bg); stroke: none; }
.nf-code { margin: 0; font: 700 4.5rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--accent); letter-spacing: 0.05em; }
.nf h1 { font-size: 1.6rem; margin: 12px 0 8px; }
.nf .muted { max-width: 34em; margin: 0 auto 24px; }
.nf-home { display: inline-block; padding: 10px 18px; border-radius: 8px; font-weight: 600; text-decoration: none; color: var(--accent-ink); background: var(--accent); }