/* latin-ext */
@font-face {
  font-family: 'Zilla Slab';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/lan/static/fonts/zs1.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Zilla Slab';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/lan/static/fonts/zs2.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Zilla Slab';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/lan/static/fonts/zs3.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Zilla Slab';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/lan/static/fonts/zs4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --paper: #faf6ee;
  --paper-2: #f4eee0;
  --ink: #26231d;
  --ink-strong: #14120d;
  --muted: #6d6552;
  --line: #e3dac6;
  --edge: #cfc4a9;
  --green: #2e6b3f;
  --green-deep: #245734;
  --on-green: #f6f2e7;
  --amber-ink: #8a5a13;
  --amber-bg: #f7ecd4;
  --danger-ink: #8f3b2e;
  --danger-bg: #f6e3dd;
  --sel: #d7e5da;
  --shadow: 0 2px 10px rgba(38, 35, 29, .07), 0 12px 32px rgba(38, 35, 29, .08);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Zilla Slab", Georgia, serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  max-width: 46rem;
  margin-inline: auto;
  padding: 0 20px 72px;
}

::selection { background: var(--sel); color: var(--ink-strong); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 4px; }
@supports (scrollbar-width: thin) {
  html { scrollbar-width: thin; scrollbar-color: var(--edge) var(--paper); }
}

a { color: var(--green-deep); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--green); }
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin: 6px 0; }

.mono { font-family: var(--mono); font-size: .88em; word-break: normal; overflow-wrap: break-word; color: var(--ink-strong); background: var(--paper-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 5px; }
.mono.ip { white-space: nowrap; }
pre.mono { display: block; padding: 12px 14px; border-radius: 10px; line-height: 1.55; overflow-x: auto; white-space: pre-wrap; margin: 10px 0 16px; }

/* ---------- header ---------- */
header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 26px 0 18px; border-bottom: 1px solid var(--line); margin-bottom: 34px;
}
.wordmark {
  font-family: var(--serif); font-weight: 900; font-size: 1.55rem; letter-spacing: -.02em;
  color: var(--ink-strong); text-decoration: none;
}
.wordmark em { font-style: normal; color: var(--green-deep); }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { font-size: .92rem; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--green-deep); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- type scale ---------- */
h1 {
  font-family: var(--serif); font-weight: 900; letter-spacing: -.02em;
  font-size: clamp(2.1rem, 6.5vw, 3.1rem); line-height: 1.12;
  color: var(--ink-strong); margin: 26px 0 16px;
}
h2 {
  font-family: var(--serif); font-weight: 600; letter-spacing: -.02em;
  font-size: 1.5rem; line-height: 1.25; color: var(--ink-strong);
  margin: 44px 0 6px;
}
h3 { font-size: 1.05rem; font-weight: 700; margin: 20px 0 4px; }
.lede { font-size: 1.12rem; color: var(--ink); max-width: 62ch; margin: 0 0 20px; }

/* ---------- chips (status stamps) ---------- */
.stamp {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1.5px solid var(--green); color: var(--green-deep);
  font-size: .75rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 999px; background: transparent;
}
.stamp.dim { border-color: var(--edge); color: var(--muted); }
.stamp.danger { border-color: var(--danger-ink); color: var(--danger-ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--green); color: var(--on-green);
  font: 700 1.02rem/1 var(--sans); letter-spacing: .01em;
  border: none; border-radius: 12px; padding: 15px 26px;
  cursor: pointer; text-decoration: none;
  transition: background-color 120ms ease, transform 120ms ease;
}
.btn:hover { background: var(--green-deep); color: var(--on-green); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { background: var(--edge); color: #7b735e; cursor: not-allowed; transform: none; }
.btn.loading { pointer-events: none; opacity: .75; }
.btn.secondary { background: transparent; color: var(--green-deep); border: 1.5px solid var(--green); }
.btn.secondary:hover { background: var(--sel); color: var(--green-deep); }
.btn.big { font-size: 1.12rem; padding: 17px 30px; }

/* ---------- hero / form card ---------- */
.form-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); padding: 26px; margin: 26px 0 8px;
}
.form-card .row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-card .meta { font-size: .92rem; color: var(--muted); margin: 0; }
.form-error { color: var(--danger-ink); background: var(--danger-bg); border-radius: 10px; padding: 10px 14px; font-size: .95rem; margin-top: 14px; }

/* ---------- steps ---------- */
.steps { list-style: none; margin: 18px 0 8px; padding: 0; counter-reset: step; }
.steps li {
  counter-increment: step; display: grid; grid-template-columns: 46px 1fr;
  gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line);
}
.steps li:last-child { border-bottom: none; }
.steps .n {
  width: 46px; height: 46px; border: 1.5px solid var(--green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 900; font-size: 1.15rem; color: var(--green-deep);
  background: var(--paper);
}
.steps svg { width: 22px; height: 22px; display: block; margin: 0 auto; stroke: var(--green-deep); }
.steps b { display: block; margin-bottom: 2px; }
.steps p { margin: 0; color: var(--muted); font-size: .97rem; }

/* ---------- FAQ ---------- */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
details summary {
  cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: ""; width: 10px; height: 10px; flex: 0 0 auto;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); transition: transform 150ms ease; margin-top: -4px;
}
details[open] summary::after { transform: rotate(225deg); margin-top: 4px; }
details .answer { color: var(--ink); padding: 0 0 16px; max-width: 68ch; }

/* ---------- notices ---------- */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--amber-bg); color: var(--amber-ink);
  border-radius: 12px; padding: 14px 16px; font-size: .95rem; margin: 16px 0;
}
.notice svg { flex: 0 0 auto; width: 19px; height: 19px; stroke: var(--amber-ink); margin-top: 2px; }
.notice.danger { background: var(--danger-bg); color: var(--danger-ink); }
.notice.danger svg { stroke: var(--danger-ink); }

/* ---------- config page ---------- */
.slot-box {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px;
  border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
  padding: 24px; margin: 22px 0;
}
.slot-ip { font-family: var(--mono); font-size: 1.7rem; font-weight: 700; color: var(--ink-strong); letter-spacing: .01em; }
.qr { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.qr svg { display: block; width: 168px; height: 168px; }
.qr-cap { font-size: .82rem; color: var(--muted); margin: 8px 0 0; text-align: center; }
.reveal { animation: settle 380ms cubic-bezier(.16, 1, .3, 1) both; }
@keyframes settle {
  from { opacity: 0; transform: translateY(8px); filter: blur(6px); }
  to { opacity: 1; transform: none; filter: none; }
}
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; } .btn { transition: none; } }

/* ---------- footer ---------- */
footer {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .88rem; color: var(--muted);
}
footer .hub { font-family: var(--mono); font-size: .8rem; }
footer nav { gap: 16px; }

.subtle { color: var(--muted); font-size: .92rem; }

@media (max-width: 560px) {
  body { padding-inline: 16px; }
  header { padding-top: 20px; }
  .form-card { padding: 20px; }
  .slot-box { padding: 18px; }
  .slot-ip { font-size: 1.4rem; }
}