:root {
  --paper: #EDF0EF;
  --paper-2: #E3E8E6;
  --rule: #C7CFCC;
  --ink: #0F1A24;
  --ink-2: #4B5760;
  --ink-3: #7A868E;
  --stop: #2440C4;
  --ok: #2F7D5B;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Schibsted Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --shadow: rgba(15, 26, 36, 0.08);
}
html[data-theme="dark"] {
  --paper: #12171C;
  --paper-2: #1A2128;
  --rule: #2C3640;
  --ink: #E6EAE8;
  --ink-2: #A8B2BA;
  --ink-3: #7A868E;
  --stop: #6B86E8;
  --ok: #4FA882;
  --shadow: rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.5;
  min-height: 100vh;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 28px 20px 64px; }
header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px; gap: 16px;
}
.mark { font-family: var(--mono); font-weight: 600; font-size: 20px; letter-spacing: -0.02em; line-height: 1; }
.mark .stop { color: var(--stop); }
.meta-row {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.health { color: var(--ink-3); }
.health.alive { color: var(--ok); }
.health.down { color: var(--stop); }
.icon-btn {
  font-family: var(--mono); font-size: 15px; line-height: 1;
  background: transparent; color: var(--ink-2); border: 1px solid var(--rule);
  border-radius: 2px; padding: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; min-width: 32px; min-height: 32px;
  /* Optical vertical centering: ◐ / ☰ sit low in the em box */
  padding-bottom: 2px;
  box-sizing: border-box;
}
.icon-btn:hover { color: var(--stop); border-color: var(--stop); }
.menu-wrap { position: relative; display: inline-flex; align-items: center; }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 30;
  min-width: 188px; background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 2px; box-shadow: 0 8px 24px var(--shadow);
  display: none; flex-direction: column; padding: 4px;
}
.menu.open,
.menu:not([hidden]) { display: flex; }
.menu[hidden] { display: none !important; }
.menu button {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  text-align: left; background: transparent; border: 0; color: var(--ink);
  padding: 10px 12px; cursor: pointer; border-radius: 2px;
}
.menu button:hover { background: var(--paper); color: var(--stop); }
h1 { font-size: 28px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.02em; }
.sub { color: var(--ink-2); margin: 0 0 24px; }
.screen { display: none; }
.screen.active { display: block; }
.screen + .screen { /* spacing handled by section margins */ }
.card {
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 2px;
  padding: 20px; margin-bottom: 16px;
}
label.field { display: grid; gap: 8px; margin-bottom: 16px; }
label.field > span {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3);
}
.help { font-size: 13px; color: var(--ink-2); margin: -8px 0 12px; }
input[type="text"], input[type="number"], input[type="email"], select {
  font: inherit; font-family: var(--mono); font-size: 15px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule); border-radius: 2px;
  padding: 12px 14px; width: 100%;
}
input:focus, select:focus { border-color: var(--stop); outline: none; }
.choices { display: grid; gap: 8px; }
.choice {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 14px; border: 1px solid var(--rule); border-radius: 2px;
  background: var(--paper); cursor: pointer; font-family: var(--mono); font-size: 14px;
}
.choice:has(input:checked) { border-color: var(--stop); box-shadow: inset 0 0 0 1px var(--stop); }
.choice input { margin-top: 2px; accent-color: var(--stop); }
.btn {
  font-family: var(--mono); font-size: 14px; font-weight: 500;
  background: var(--ink); color: var(--paper); border: 0; border-radius: 2px;
  padding: 12px 18px; cursor: pointer;
}
.btn:hover { background: var(--stop); }
.btn.ghost { background: transparent; color: var(--ink-2); border: 1px solid var(--rule); }
.btn.ghost:hover { color: var(--stop); border-color: var(--stop); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; align-items: center; }
.err { font-family: var(--mono); font-size: 13px; color: var(--stop); min-height: 1.2em; }
.ok { font-family: var(--mono); color: var(--ok); min-height: 1.2em; }
.stub {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  border: 1px dashed var(--rule); padding: 10px 12px; border-radius: 2px;
}
.price-lock {
  font-family: var(--mono); font-size: 15px; color: var(--ink);
  border-left: 3px solid var(--stop); padding: 8px 0 8px 14px;
}
.terminal {
  border: 1px solid var(--ink); border-radius: 2px; background: var(--paper);
  min-height: 360px; display: flex; flex-direction: column;
  overflow: hidden;
}
.log {
  flex: 1; padding: 16px; font-family: var(--mono); font-size: 14px;
  overflow-y: auto; white-space: pre-wrap; min-height: 280px;
}
.log .ack { color: var(--ink); }
.log .ack .stop { color: var(--stop); font-weight: 600; }
.composer {
  display: flex; gap: 0; border-top: 1px solid var(--rule); align-items: stretch;
}
.composer input {
  border: 0; border-radius: 0; flex: 1; background: var(--paper-2);
  min-width: 0;
}
.composer .btn { border-radius: 0; flex-shrink: 0; }
.step { font-family: var(--mono); font-size: 12px; color: var(--ink-3); margin-bottom: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.hidden { display: none !important; }
.wallet-list { display: grid; gap: 12px; margin-top: 8px; }
.wallet-row {
  border: 1px solid var(--rule); border-radius: 2px; padding: 12px 14px;
  background: var(--paper); font-family: var(--mono); font-size: 13px;
}
.wallet-row .addr { color: var(--ink); word-break: break-all; margin-bottom: 8px; }
.wallet-row .checks { display: grid; gap: 8px; margin: 10px 0; }
.wallet-row .checks label {
  display: flex; gap: 10px; align-items: flex-start; cursor: pointer; color: var(--ink-2);
  font-size: 12px; letter-spacing: 0.02em; text-transform: none;
}
.gate-list {
  list-style: none; padding: 0; margin: 0 0 12px;
  font-family: var(--mono); font-size: 12px; color: var(--ink-2);
}
.gate-list li { padding: 6px 0; border-bottom: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 12px; }
.gate-list .pass { color: var(--ok); }
.gate-list .fail { color: var(--stop); }

.debug-badge {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--stop); border: 1px solid var(--stop); border-radius: 2px;
  padding: 2px 6px; line-height: 1.2;
}
.debug-badge[hidden] { display: none !important; }
.menu button.debug-on::after {
  content: " ✓";
  color: var(--stop);
}
.log .debug-trace {
  color: var(--ink-3); font-size: 11px; line-height: 1.45;
  margin: 4px 0 12px; padding: 8px 10px;
  border-left: 2px solid var(--rule); white-space: pre-wrap;
  word-break: break-word;
}