/* Layout: single centered column, sticky top bar, card-based forms; palette taken from the logo (Flap yellow + agent violet). */
:root {
  --bg: #0d0a18;
  --panel: #161228;
  --panel-2: #1d1834;
  --line: #2b2547;
  --text: #f2efff;
  --muted: #9a93b6;
  --yellow: #f2c005;
  --yellow-ink: #1a1400;
  --violet: #5c21fd;
  --violet-soft: #9a7bff;
  --ok: #3ddc97;
  --bad: #ff6b6b;
  --display: 'Unbounded', 'Segoe UI', system-ui, sans-serif;
  --body: 'Manrope', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --r: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(92, 33, 253, .22), transparent 60%),
    radial-gradient(700px 400px at -10% 10%, rgba(242, 192, 5, .08), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--body);
  min-height: 100vh;
}
a { color: var(--yellow); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .9em; word-break: break-all; }
[hidden] { display: none !important; }
.wrap { max-width: 1080px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
.muted { color: var(--muted); } .small { font-size: 13px; }
.ok { color: var(--ok); } .bad { color: var(--bad); }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.01em; text-wrap: balance; }
h1 { font-size: clamp(28px, 5vw, 46px); line-height: 1.1; margin: 0 0 14px; }
h2 { font-size: 20px; margin: 40px 0 14px; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--yellow); margin: 0 0 14px; }
.lead { font-size: 17px; color: #d6d0ee; max-width: 60ch; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(13, 10, 24, .85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font: 700 15px var(--display); letter-spacing: .06em; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 9px; }
.brand b { color: var(--yellow); font-weight: 700; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 10px; font-weight: 600; }
.nav a:hover { color: var(--text); text-decoration: none; background: var(--panel); }
.nav a.on { color: var(--text); background: var(--panel-2); }
.actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.lang button { background: none; border: 0; color: var(--muted); padding: 6px 10px; font: 600 12px var(--body); cursor: pointer; }
.lang button.on { background: var(--panel-2); color: var(--text); }
.wallet { position: relative; }
.addr-chip { display: flex; align-items: center; gap: 8px; background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: 7px 14px; font: 600 13px var(--mono); cursor: pointer; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(61, 220, 151, .2); }
.menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px; min-width: 200px; display: grid; gap: 2px; box-shadow: 0 16px 40px rgba(0, 0, 0, .45); }
.menu code { padding: 6px 10px; color: var(--muted); }
.menu button { text-align: left; background: none; border: 0; color: var(--text); padding: 9px 10px; border-radius: 8px; font: 600 14px var(--body); cursor: pointer; }
.menu button:hover { background: var(--panel-2); }
.menu .danger { color: var(--bad); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font: 700 14px var(--body); cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--violet-soft); }
.btn.primary { background: var(--yellow); color: var(--yellow-ink); border-color: var(--yellow); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 12px; font-size: 13px; border-radius: 10px; }
.btn.wide { width: 100%; margin-top: 8px; padding: 14px; }
.btn:disabled { opacity: .55; cursor: progress; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }

/* pages */
.page { padding-top: 36px; }
#page-home { padding-top: 0; }

/* home */
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; padding: 56px 0 24px; }
.hero-art { display: grid; place-items: center; }
.hero-art img { width: min(300px, 70vw); border-radius: 36px; transform: rotate(-4deg); box-shadow: 0 30px 80px rgba(92, 33, 253, .35), 0 0 0 1px rgba(255, 255, 255, .06); }
.official { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin: 16px 0; padding: 18px 20px; border-radius: var(--r); background: linear-gradient(120deg, rgba(242, 192, 5, .14), rgba(92, 33, 253, .16)); border: 1px solid rgba(242, 192, 5, .45); }
.official .eyebrow { margin-bottom: 8px; }
.official .row { margin-top: 0; }
.ca { font-size: 15px; color: var(--text); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 8px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; display: grid; gap: 2px; color: var(--muted); font-size: 13px; }
.stat .num { font: 700 26px var(--display); color: var(--text); font-variant-numeric: tabular-nums; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; counter-reset: s; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 6px; color: var(--muted); counter-increment: s; }
.steps li::before { content: counter(s); width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--violet); color: #fff; font: 700 13px var(--display); }
.steps b { color: var(--text); font-family: var(--display); font-size: 15px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 40px; }
.section-head h1, .section-head h2 { margin: 0; }
#page-explore .section-head { margin-top: 0; margin-bottom: 14px; }

/* tokens */
.grid-tokens { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 16px; }
.tk { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; display: grid; gap: 12px; min-width: 0; }
.tk:hover { border-color: #3d3466; }
.tk-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.tk-top > div { min-width: 0; flex: 1; }
.tk-top img, .tk-top .ph { width: 48px; height: 48px; border-radius: 12px; object-fit: cover; flex: none; background: var(--panel-2); }
.tk-top .ph { display: grid; place-items: center; font: 700 14px var(--display); color: var(--violet-soft); }
.tk h3 { font-size: 15px; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sym { margin: 2px 0 0; color: var(--muted); font: 500 13px var(--mono); }
.tk-tags { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.badge { font: 600 12px var(--body); padding: 3px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.badge.violet { color: #d9ccff; background: rgba(92, 33, 253, .22); border-color: rgba(154, 123, 255, .4); }
.badge.gold { color: var(--yellow-ink); background: var(--yellow); border-color: var(--yellow); }
.ca-btn { background: var(--bg); border: 1px dashed var(--line); color: var(--text); border-radius: 10px; padding: 8px 10px; font: 500 13px var(--mono); cursor: copy; text-align: left; }
.tk-links { display: flex; gap: 14px; font-size: 13px; font-weight: 600; }
.empty { color: var(--muted); grid-column: 1 / -1; padding: 28px; text-align: center; background: var(--panel); border: 1px dashed var(--line); border-radius: var(--r); margin: 0; }
.search { width: min(360px, 100%); }
.filters { display: flex; gap: 8px; }
.chip { background: var(--panel); border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 6px 14px; font: 600 13px var(--body); cursor: pointer; }
.chip.on { color: var(--text); border-color: var(--violet-soft); background: rgba(92, 33, 253, .2); }

/* cards & forms */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 22px; margin: 16px 0; }
.card h2 { margin-top: 0; }
.notice { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.notice p { margin: 0; }
fieldset { border: 0; padding: 0; margin: 0 0 22px; }
legend { font: 700 14px var(--display); margin-bottom: 12px; padding: 0; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 12px; min-width: 0; }
input, select, textarea { width: 100%; padding: 11px 12px; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 10px; font: 500 15px var(--body); }
input[type=file] { padding: 9px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 12px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 12px; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 10px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.seg-opt { margin: 0; cursor: pointer; position: relative; }
.seg-opt input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.seg-opt span { display: grid; gap: 4px; padding: 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); height: 100%; }
.seg-opt b { color: var(--text); font-size: 15px; }
.seg-opt small { color: var(--muted); font-weight: 500; }
.seg-opt input:checked + span { border-color: var(--yellow); box-shadow: inset 0 0 0 1px var(--yellow); }
.seg-opt input:focus-visible + span { outline: 2px solid var(--yellow); outline-offset: 2px; }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 18px; }
.kv > span:nth-child(odd) { color: var(--muted); }
.risk { border-left: 3px solid var(--bad); padding: 8px 12px; margin: 10px 0; background: rgba(255, 107, 107, .08); border-radius: 6px; }
.risk.caution { border-left-color: var(--yellow); background: rgba(242, 192, 5, .08); }

/* docs */
.docs { max-width: 760px; }
.docs h2 { margin-top: 32px; }
.docs li { margin: 6px 0; }
.docs table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; display: block; overflow-x: auto; }
.docs th, .docs td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.docs th { font-family: var(--display); font-size: 13px; }
.docs dt { font-weight: 700; margin-top: 14px; }
.docs dd { margin: 4px 0 0; color: var(--muted); }

/* dialog, toast, footer */
dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 18px; padding: 24px; text-align: center; width: min(360px, calc(100% - 32px)); }
dialog::backdrop { background: rgba(5, 3, 12, .75); backdrop-filter: blur(4px); }
dialog h3 { margin-top: 0; font-size: 17px; }
dialog img { width: 240px; max-width: 100%; background: #fff; border-radius: 12px; padding: 8px; }
.code { font: 700 22px var(--mono); color: var(--yellow); letter-spacing: .18em; }
#toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%); max-width: calc(100% - 32px); padding: 12px 16px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--bad); z-index: 30; box-shadow: 0 12px 30px rgba(0, 0, 0, .4); }
#toast.ok { border-color: var(--ok); }
.foot { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); margin-top: 64px; padding-top: 20px; padding-bottom: 40px; }
.foot img { border-radius: 6px; margin-top: 2px; }
.foot p { margin: 0; max-width: 70ch; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; }
  .hero-art { order: -1; }
  .hero-art img { width: 160px; border-radius: 26px; }
  .steps { grid-template-columns: 1fr; }
  .bar { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; gap: 10px; }
  .nav { order: 3; width: 100%; overflow-x: auto; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .stat:last-child { grid-column: 1 / -1; }
  .grid3, .grid4 { grid-template-columns: 1fr 1fr; }
  .seg { grid-template-columns: 1fr; }
  .lang button { padding: 6px 8px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-art img { transition: transform .4s ease; }
  .hero-art img:hover { transform: rotate(0deg) scale(1.02); }
}