:root {
  --bg: #f4f5fb;
  --card: #ffffff;
  --text: #151a2d;
  --muted: #5d6479;
  --line: #e2e5ef;
  --field: #f8f9fd;
  --accent: #4f46e5;
  --accent-2: #7c3aed;
  --accent-ink: #ffffff;
  --accent-soft: #eef0ff;
  --ok: #0b8a4c;
  --ok-bg: #e6f6ee;
  --warn: #9a6200;
  --warn-bg: #fff5dc;
  --err: #c5221f;
  --err-bg: #fdecea;
  --radius: 18px;
  --shadow: 0 10px 34px rgba(24, 30, 60, .07);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1120;
    --card: #161a2d;
    --text: #e7e9f3;
    --muted: #9aa1b9;
    --line: #283051;
    --field: #11152a;
    --accent: #7c83ff;
    --accent-2: #a78bfa;
    --accent-ink: #0e1120;
    --accent-soft: #20264a;
    --ok: #4ade80;
    --ok-bg: #12301f;
    --warn: #fbbf24;
    --warn-bg: #33280e;
    --err: #f87171;
    --err-bg: #3a1717;
    --shadow: 0 10px 34px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); }
button { font: inherit; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .2px; }
.brand .logo {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
}
.top nav { display: flex; align-items: center; gap: 4px; }
.top nav a, .top nav button {
  color: var(--muted); text-decoration: none; background: none; border: 0; cursor: pointer;
  padding: 8px 10px; border-radius: 10px; font-size: 14px;
}
.top nav a:hover, .top nav button:hover { background: var(--accent-soft); color: var(--text); }

main { width: 100%; max-width: 640px; margin: 0 auto; padding: 4px 16px 24px; flex: 1; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
  margin-bottom: 16px;
}
h1 { font-size: 24px; line-height: 1.3; margin: 2px 0 6px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }

.lbl { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.inp {
  width: 100%;
  border: 1.5px solid var(--line);
  background: var(--field);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.inp:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.mono { font-family: var(--mono); letter-spacing: .3px; }
.uuid { font-size: 14px; letter-spacing: 0; }
.ta { min-height: 120px; resize: vertical; font-size: 13px; line-height: 1.45; word-break: break-all; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  margin-top: 14px;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .05s, opacity .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, #4f46e5, #7c3aed); border-color: transparent; color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { width: auto; margin: 0; padding: 7px 12px; font-size: 14px; border-radius: 10px; }
.row { display: flex; gap: 10px; }
.row > .btn { flex: 1; }

.spin {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  display: inline-block; animation: spin .8s linear infinite; flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.note { border-radius: 12px; padding: 11px 13px; margin: 12px 0 0; font-size: 14px; }
.note.err { background: var(--err-bg); color: var(--err); }
.note.warn { background: var(--warn-bg); color: var(--warn); }
.note.ok { background: var(--ok-bg); color: var(--ok); }
.note.info { background: var(--accent-soft); color: var(--text); }
.note details { margin-top: 6px; color: var(--muted); font-size: 12px; }
.note summary { cursor: pointer; }

.supports { margin: 14px 0 0; font-size: 13px; color: var(--muted); text-align: center; }

.prod { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.prod-ic {
  width: 44px; height: 44px; border-radius: 13px; flex: none; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.prod-main { flex: 1; min-width: 0; }
.prod-name { font-weight: 700; font-size: 17px; }
.prod-key { font-family: var(--mono); font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; font-weight: 600; }
.badge.st-available { background: var(--ok-bg); color: var(--ok); }
.badge.st-used, .badge.st-blocked, .badge.st-expired { background: var(--err-bg); color: var(--err); }
.badge.st-pending, .badge.st-closed { background: var(--warn-bg); color: var(--warn); }

.notes { margin: 14px 0 0; padding: 0; list-style: none; }
.notes li { position: relative; padding-left: 18px; font-size: 14px; color: var(--muted); margin: 4px 0; }
.notes li::before { content: ""; position: absolute; left: 4px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); opacity: .6; }

.step { margin-top: 18px; }
.step-t { font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.step-n { width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 12px; display: grid; place-items: center; flex: none; }
.how { margin: 0 0 10px; padding-left: 20px; }
.how li { margin: 4px 0; }
.link { font-weight: 600; word-break: break-all; }
.chip {
  display: inline-block; margin-top: 6px; padding: 6px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 14px;
  text-decoration: none; font-family: var(--mono); word-break: break-all;
}
.chip:hover { text-decoration: underline; }
.note.ok .kv dt { color: inherit; opacity: .75; }
.note.ok .kv dd { color: var(--text); }

.seg { display: flex; background: var(--field); border: 1px solid var(--line); border-radius: 12px; padding: 3px; margin-top: 14px; }
.seg button { flex: 1; border: 0; background: transparent; color: var(--muted); padding: 9px; border-radius: 9px; cursor: pointer; font-weight: 600; }
.seg button.on { background: var(--card); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.08); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; margin-top: 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

.timeline { list-style: none; padding: 0; margin: 18px 0 4px; }
.timeline li { display: flex; align-items: center; gap: 10px; padding: 7px 0; color: var(--muted); }
.timeline .dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; flex: none; font-size: 12px; }
.timeline li.done { color: var(--text); }
.timeline li.done .dot { background: var(--ok); border-color: var(--ok); color: #fff; }
.timeline li.now { color: var(--text); font-weight: 600; }
.timeline li.now .dot { border-color: var(--accent); color: var(--accent); }

.big-ok { font-size: 42px; line-height: 1; margin: 6px 0 8px; }
.result h2 { font-size: 20px; margin-bottom: 4px; }

.phone { font-family: var(--mono); font-size: 26px; font-weight: 700; letter-spacing: 1px; }
.codebox {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--field); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-top: 10px;
}
.codebox .code { font-family: var(--mono); font-size: 24px; font-weight: 700; letter-spacing: 2px; }
.codebox .meta { font-size: 12px; color: var(--muted); }
.smsraw { font-size: 12px; color: var(--muted); margin-top: 4px; word-break: break-all; }

.tool { display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--text); margin-top: 10px; }
.tool:hover { border-color: var(--accent); }
.tool .ic { width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.tool b { display: block; font-size: 15px; }
.tool span { display: block; font-size: 13px; color: var(--muted); }

table.t { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 12px; }
table.t th, table.t td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t th { color: var(--muted); font-weight: 600; }
.scroll { overflow-x: auto; }

.banner { background: var(--warn-bg); color: var(--warn); border-radius: 14px; padding: 11px 14px; margin-bottom: 14px; font-size: 14px; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 18px 16px 28px; }
footer a { color: var(--muted); }

@media (max-width: 420px) {
  .card { padding: 18px 16px; border-radius: 16px; }
  h1 { font-size: 22px; }
  .phone { font-size: 22px; }
}