/* Block Zero Web Wallet — brand-consistent dark theme (bloz.cc palette) */
:root {
  --void: #05070A;
  --steel: #11161D;
  --panel: #0c1118;
  --line: #1c2530;
  --blue: #3FA9FF;
  --cyan: #6FE7FF;
  --silver: #BFC7D5;
  --white: #F5F7FA;
  --muted: #7d8796;
  --danger: #ff5d6c;
  --ok: #46d39a;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, #0a1220 0%, var(--void) 60%);
  color: var(--silver);
  font: 16px/1.6 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 28px 20px 80px; }

.top { display: flex; gap: 18px; align-items: center; font-size: 14px; margin-bottom: 36px; }
.top a { color: var(--muted); text-decoration: none; }
.top a:hover { color: var(--cyan); }
.top .spacer { flex: 1; }

h1 { color: var(--white); font-size: 30px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { color: var(--white); font-size: 18px; margin: 0 0 12px; }
.lead { color: var(--silver); font-size: 17px; margin: 0 0 28px; }
.sub { color: var(--muted); font-size: 13.5px; margin: 8px 0; }

code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { color: var(--cyan); background: rgba(111,231,255,0.07); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
a { color: var(--blue); }

.trust {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 0 0 28px;
}
.trust ul { margin: 0; padding-left: 20px; }
.trust li { margin: 7px 0; font-size: 14.5px; }
.trust code { background: rgba(63,169,255,0.10); color: var(--blue); }

.cta-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 22px 0; }
.hint { color: var(--muted); font-size: 13px; }

.btn {
  font: 600 14px/1 Inter, sans-serif;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--void);
  background: var(--cyan);
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--cyan), var(--blue)); color: #04121c; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--silver); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-copy, .btn-reveal {
  background: transparent; border-color: var(--line); color: var(--silver);
  padding: 10px 14px; font-size: 13px; white-space: nowrap;
}
.btn-copy:hover, .btn-reveal:hover { border-color: var(--cyan); color: var(--cyan); }

.result { margin-top: 8px; }
.field { margin: 22px 0; }
.field > label { display: block; color: var(--white); font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.tag {
  display: inline-block; font-weight: 500; font-size: 11px; letter-spacing: .03em;
  text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-left: 8px;
}
.tag-danger { color: var(--danger); border-color: rgba(255,93,108,0.4); }

.copyrow {
  display: flex; align-items: stretch; gap: 10px;
}
.copyrow > .mono {
  flex: 1; min-width: 0;
  background: var(--steel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; color: var(--white);
  overflow-wrap: anywhere; word-break: break-all;
}
.mono.big { font-size: 16px; letter-spacing: .01em; }
.mono.cmd { font-size: 13px; color: var(--cyan); }
.mono.blur { filter: blur(5px); user-select: none; }

.field.danger .copyrow > .mono { border-color: rgba(255,93,108,0.35); }

details.field { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; }
details.field summary { cursor: pointer; color: var(--white); font-weight: 600; padding: 12px 0; font-size: 14px; }
details.field[open] summary { margin-bottom: 4px; }

.offscreen { position: fixed; left: -9999px; top: 0; }

footer { margin-top: 56px; color: var(--muted); font-size: 12px; line-height: 1.7; border-top: 1px solid var(--line); padding-top: 18px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--cyan); }

.input {
  flex: 1; min-width: 0;
  background: var(--steel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; color: var(--white); font: inherit;
}
.input:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: transparent; }
.btn.tiny { font-size: 11px; padding: 4px 10px; margin-left: 8px; }
.hint.err, .sub.err { color: var(--danger); }

.kv { list-style: none; margin: 0; padding: 0; }
.kv li { display: flex; align-items: baseline; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.kv li:last-child { border-bottom: none; }
.kv li > span { color: var(--muted); flex: 0 0 38%; font-size: 13px; }
.kv li > code { flex: 1; min-width: 0; background: transparent; color: var(--white); padding: 0; }
.kv code.break { word-break: break-all; font-size: 12.5px; }

@media (max-width: 560px) {
  h1 { font-size: 24px; }
  .copyrow { flex-direction: column; }
  .btn-copy, .btn-reveal { align-self: flex-start; }
  .kv li { flex-direction: column; gap: 4px; }
  .kv li > span { flex: none; }
}

/* Consensus fork notice — CSP forbids inline styles, so it lives here. */
.fork-warning {
  background: #2a1410;
  border: 1px solid #7a2e1e;
  color: #f6d3c6;
  font-size: 13px;
  line-height: 1.55;
  padding: 11px 14px;
  border-radius: 10px;
  margin: 0 0 18px;
}
.fork-warning strong { color: #ffb454; }
.fork-warning a { color: #4af0c1; }