:root {
  color-scheme: light dark;
  --bg: #f4f5f8;
  --bg-glow: #e7e9fb;
  --panel: #ffffff;
  --panel-soft: #fafafd;
  --text: #14161c;
  --muted: #6a7180;
  --border: #e3e5ec;
  --border-strong: #d3d6e0;
  --accent: #5b5bd6;
  --accent-ink: #ffffff;
  --accent-soft: #eeeefc;
  --ok: #1a8a5a;
  --warn: #b26a00;
  --warn-soft: #fdf3e2;
  --shadow: 0 1px 2px rgba(20, 22, 28, 0.05), 0 12px 32px -18px rgba(20, 22, 28, 0.35);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0e12;
    --bg-glow: #171a2b;
    --panel: #15171e;
    --panel-soft: #1a1d26;
    --text: #e9ebf2;
    --muted: #949bab;
    --border: #262a35;
    --border-strong: #333846;
    --accent: #8b8cf7;
    --accent-ink: #0d0e12;
    --accent-soft: #1e2033;
    --ok: #55d6a0;
    --warn: #e0a34a;
    --warn-soft: #2a2113;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -22px rgba(0, 0, 0, 0.9);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  padding: 40px 20px 72px;
  background:
    radial-gradient(900px 420px at 50% -180px, var(--bg-glow), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 780px; margin: 0 auto; }

header { margin-bottom: 26px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
  font-size: 17px;
  color: inherit;
  text-decoration: none;
}
.brand svg { width: 22px; height: 22px; color: var(--accent); }

h1 {
  margin: 18px 0 6px;
  font-size: clamp(26px, 4.4vw, 34px);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.lede { margin: 0; color: var(--muted); max-width: 56ch; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card + .card { margin-top: 16px; }

label.field { display: block; margin-bottom: 14px; }
label.field.flush { margin-bottom: 0; }
label.field > span .optional { text-transform: none; font-weight: 400; }
label.field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

textarea, input[type="text"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--panel-soft);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
textarea {
  min-height: 220px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
}
textarea:focus, input:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
textarea::placeholder { color: var(--muted); opacity: 0.7; }

.row.actions { margin-top: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 220px; min-width: 0; }

.check { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13.5px; user-select: none; cursor: pointer; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; }

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--panel-soft);
  color: var(--text);
  font: inherit;
  font-weight: 550;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.06s ease, border-color 0.15s ease, background 0.15s ease;
}
button:hover, .btn:hover { border-color: var(--accent); }
button:active, .btn:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; border-color: var(--border-strong); }

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
.primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.big { width: 100%; padding: 14px 18px; font-size: 15.5px; }

.status { margin: 14px 0 0; color: var(--muted); font-size: 13.5px; }
.status b { color: var(--text); font-variant-numeric: tabular-nums; }

.check.auto { margin-top: 10px; }

.list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.list li {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-soft);
}
.list .num { color: var(--muted); font-family: var(--mono); font-size: 12px; text-align: right; }
.list .label { font-weight: 550; }
.list .url {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.list .url a { color: inherit; }
.list .state { font-size: 12px; color: var(--muted); white-space: nowrap; }
.list li.done { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.list li.done .state { color: var(--ok); }
.list li.current { border-color: var(--accent); background: var(--accent-soft); }

.out {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--accent-soft);
}
.out input {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--panel);
}
.error-text { margin: 0 0 12px; }
.hint { margin: 10px 0 0; font-size: 12.5px; color: var(--muted); }

.tip {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.banner {
  margin-top: 14px;
  padding: 11px 13px;
  border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--border));
  border-radius: 10px;
  background: var(--warn-soft);
  color: var(--text);
  font-size: 13.5px;
}
.banner-text { margin: 0; }
.how { margin: 10px 0 12px; }
.how-lead { margin: 0 0 6px; color: var(--muted); }
.how-steps { margin: 0; padding-left: 20px; display: grid; gap: 3px; }
.how-steps li::marker { color: var(--muted); }
.banner details { margin-top: 8px; }
.banner summary { cursor: pointer; color: var(--muted); font-size: 12.5px; }
.how-other { margin: 8px 0 0; font-size: 12.5px; }
.how-other dt { font-weight: 600; margin-top: 6px; }
.how-other dd { margin: 2px 0 0; color: var(--muted); }
.banner button { margin-top: 2px; }

.bar { height: 6px; border-radius: 999px; background: var(--border); overflow: hidden; margin: 12px 0; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.25s ease; }

.next {
  padding: 12px 14px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--panel-soft);
  margin-bottom: 12px;
}
.next .k { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.next .v { font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; }

footer { margin-top: 26px; text-align: center; color: var(--muted); font-size: 12.5px; }
footer a { color: var(--muted); }

[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }