:root {
  --bg: #0c0f16; --panel: #141926; --panel2: #1a2132; --line: #252d40;
  --text: #e8ecf4; --muted: #8b94a7; --accent: #5b8cff; --accent2: #3f6ae0;
  --ok: #34c98e; --warn: #f0b13e; --err: #f0616d; --blue: #57a9ff;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0a0d14; border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px;
  font-size: .88em; color: #c7d3f0; }
code.big { font-size: 24px; font-weight: 800; letter-spacing: 2px; padding: 8px 16px; }

.topnav { display: flex; justify-content: space-between; align-items: center; padding: 14px 28px;
  border-bottom: 1px solid var(--line); background: rgba(12,15,22,.88); position: sticky; top: 0;
  backdrop-filter: blur(8px); z-index: 10; }
.brand { font-weight: 700; font-size: 17px; letter-spacing: .3px; }
.brand-star { color: var(--warn); }
.nav-links a { color: var(--muted); margin-left: 18px; font-weight: 600; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.hero { padding: 18px 6px 6px; }
.hero h1 { margin: 0 0 6px; font-size: 30px; }
.hero.small h1 { font-size: 24px; }
.sub { color: var(--muted); margin: 0 0 14px; max-width: 760px; }

.pills { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0 6px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); font-size: 13px; font-weight: 600; color: var(--muted); }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: #5a6478; flex: 0 0 auto; }
.pill.ok { color: var(--ok); border-color: rgba(52,201,142,.35); }
.pill.ok .dot { background: var(--ok); box-shadow: 0 0 8px rgba(52,201,142,.7); }
.pill.warn { color: var(--warn); border-color: rgba(240,177,62,.35); }
.pill.warn .dot { background: var(--warn); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(460px, 1fr)); gap: 18px; margin-top: 18px; }
@media (max-width: 1020px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; }
.card h2 { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.step { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px;
  border-radius: 8px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted);
  font-size: 13px; font-weight: 700; flex: 0 0 auto; }
.step.done { background: rgba(52,201,142,.15); border-color: rgba(52,201,142,.4); color: var(--ok); }
.cardstate { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); }
.cardstate.ok { color: var(--ok); border-color: rgba(52,201,142,.4); }
.cardstate.warn { color: var(--warn); border-color: rgba(240,177,62,.4); }

.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.nowrap { white-space: nowrap; }

.form { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.form label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 600; color: var(--muted); }
input, select, textarea { background: #0e1220; color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; font: inherit; outline: none; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.span2 { grid-column: span 2; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } .span2 { grid-column: span 1; } }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; display: inline-block; }
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent2); border-color: var(--accent2); color: #fff; }
.btn.primary:hover { background: var(--accent); }
.btn.ghost { background: transparent; }

.check { display: flex !important; flex-direction: row !important; align-items: flex-start; gap: 10px; cursor: pointer; }
.check input { width: auto; margin-top: 3px; flex: 0 0 auto; }

.alert { border-radius: 10px; padding: 10px 14px; margin: 10px 0; font-size: 14px; border: 1px solid var(--line); }
.alert.okx { background: rgba(52,201,142,.08); border-color: rgba(52,201,142,.3); }
.alert.warn { background: rgba(240,177,62,.08); border-color: rgba(240,177,62,.3); }
.alert.err { background: rgba(240,97,109,.08); border-color: rgba(240,97,109,.35); }
.banner { border-radius: 12px; padding: 12px 16px; margin-bottom: 18px; font-weight: 600; border: 1px solid var(--line); }
.banner.okx { background: rgba(52,201,142,.1); border-color: rgba(52,201,142,.35); }
.banner.warn { background: rgba(240,177,62,.1); border-color: rgba(240,177,62,.4); }
.banner.err { background: rgba(240,97,109,.1); border-color: rgba(240,97,109,.4); }
.hidden { display: none; }

.help { margin: 12px 0; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; background: #0e1220; }
.help summary { cursor: pointer; font-weight: 600; color: var(--muted); }
.help ol { margin: 10px 0 4px; padding-left: 20px; display: flex; flex-direction: column; gap: 7px; }
.copyable { display: inline-block; margin-top: 4px; user-select: all; }

.pairbox { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 10px 0; }
.statline { margin-top: 12px; font-size: 13px; }

.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.green { background: rgba(52,201,142,.12); color: var(--ok); }
.badge.amber { background: rgba(240,177,62,.12); color: var(--warn); }
.badge.red { background: rgba(240,97,109,.12); color: var(--err); }
.badge.blue { background: rgba(87,169,255,.12); color: var(--blue); }
.badge.gray { background: rgba(139,148,167,.12); color: var(--muted); }

.login { max-width: 400px; margin: 60px auto; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; border-top: 1px solid var(--line); }

/* developer dashboard */
.statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .num { font-size: 22px; font-weight: 800; margin-bottom: 2px; }
.stat .lbl { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
td input, td select { padding: 5px 8px; font-size: 13px; min-width: 90px; }
.small-btn { padding: 4px 9px; font-size: 12px; border-radius: 8px; }
.pill.tiny { font-size: 12px; padding: 4px 11px; }