:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5b6270;
  --border: #dfe2e8;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --error: #c42b1c;
  --warn-bg: #fff6e0;
  --warn-text: #7a5300;
  --code-bg: #f0f2f5;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #181b21;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --border: #2b3039;
    --accent: #4c8dff;
    --error: #ff7b6e;
    --warn-bg: #2e2612;
    --warn-text: #f0c56a;
    --code-bg: #21252d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  justify-content: center;
  padding: 48px 16px;
}
.card {
  width: 100%;
  max-width: 560px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  align-self: flex-start;
}
header { margin-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 18px; }
.logo {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--accent);
  box-shadow: inset 0 0 0 5px var(--card), inset 0 0 0 7px var(--accent);
}
.tagline, .muted { color: var(--muted); margin: 6px 0 0; }
h2 { font-size: 20px; margin: 0 0 12px; }
form, section { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 550; flex: 1; }
.opt { color: var(--muted); font-weight: 400; }
.segmented {
  display: flex; gap: 4px; padding: 4px; border-radius: 10px;
  background: var(--code-bg); align-self: flex-start;
}
.segmented label { flex: none; display: block; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 6px 16px; border-radius: 7px; font-weight: 550; color: var(--muted); }
.segmented input:checked + span { background: var(--card); color: var(--text); box-shadow: 0 1px 2px rgb(0 0 0 / .12); }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); }
input[type="file"] { padding: 8px; }
.file-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--code-bg); border-radius: 8px; padding: 12px 14px;
}
.file-card strong { overflow-wrap: anywhere; }
.row { display: flex; gap: 12px; }
@media (max-width: 520px) { .row { flex-direction: column; } }
input, textarea, select {
  font: inherit; color: inherit; background: var(--card);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; width: 100%;
}
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button, .button {
  font: inherit; font-weight: 600; cursor: pointer; border-radius: 8px; padding: 11px 16px;
  border: 1px solid var(--border); background: transparent; color: var(--text);
  text-align: center; text-decoration: none; display: inline-block;
}
.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.primary:hover { filter: brightness(1.08); }
.ghost { padding: 6px 12px; font-size: 14px; align-self: flex-start; }
button:disabled { opacity: .6; cursor: progress; }
.error { color: var(--error); margin: 0; }
.warning {
  margin: -4px 0 0; padding: 10px 12px; border-radius: 8px; font-size: 14px;
  background: var(--warn-bg); color: var(--warn-text);
}
.warning.blocking { background: transparent; color: var(--error); padding: 0; }
.fine { color: var(--muted); font-size: 13px; margin: 0; }
.copybox {
  display: flex; align-items: center; gap: 8px; background: var(--code-bg);
  border-radius: 8px; padding: 8px 8px 8px 12px; font-weight: 400;
}
.copybox code { flex: 1; overflow-wrap: anywhere; font-size: 13px; }
.copybox .ghost { align-self: center; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
details { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
details[open] { display: flex; flex-direction: column; gap: 10px; }
summary { cursor: pointer; font-size: 14px; }
.status { display: flex; align-items: center; gap: 10px; margin: 0; }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--accent);
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.secret {
  margin: 0; padding: 14px; background: var(--code-bg); border-radius: 8px;
  white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px;
}
[hidden] { display: none !important; }