:root {
  --bg: #0b0d10;
  --panel: #14181d;
  --line: #232a32;
  --ink: #e6eaef;
  --muted: #8b97a6;
  --accent: #5ee0a4;
  --accent-ink: #06120c;
  --warn: #f0b866;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 680px;
  margin: 0 auto;
  padding: 12vh 20px 64px;
}

.head { margin-bottom: 28px; }

.wordmark {
  margin: 0 0 6px;
  font-size: 34px;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.wordmark::after {
  content: "↬";
  color: var(--accent);
  margin-left: 8px;
}

.tagline {
  margin: 0;
  color: var(--muted);
}

.panel {
  display: flex;
  gap: 10px;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-size: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.field:focus { outline: none; }
.field::placeholder { color: #5d6875; }

.panel:focus-within {
  border-color: #33404d;
  box-shadow: 0 0 0 3px rgba(94, 224, 164, 0.12);
}

.go {
  padding: 12px 20px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 15px;
  font-weight: 620;
  cursor: pointer;
}

.go:hover { filter: brightness(1.08); }
.go:disabled { opacity: 0.55; cursor: progress; }

.status {
  min-height: 22px;
  margin: 14px 2px 0;
  color: var(--muted);
  font-size: 14px;
}

.status.error { color: var(--warn); }

.results { margin-top: 8px; }

.destinations { display: grid; gap: 10px; }

.hit {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.hit-url {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  text-decoration: none;
}

.hit-url:hover { text-decoration: underline; }

.copy {
  flex: none;
  padding: 7px 12px;
  background: #1c2229;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.copy:hover { color: var(--ink); border-color: #3a444f; }

.trace { margin-top: 16px; }

.trace summary {
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}

.trace summary:hover { color: var(--ink); }

.chain {
  margin: 12px 0 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 13px;
}

.chain li { margin-bottom: 8px; overflow-wrap: anywhere; }

.chain .svc { color: var(--ink); font-weight: 600; }

.chain .meth {
  margin-left: 6px;
  padding: 1px 6px;
  background: #1c2229;
  border-radius: 5px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chain code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.foot {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.claim { margin: 0 0 10px; color: var(--muted); font-size: 14px; }
.fineprint { margin: 0; color: #6b7683; font-size: 12.5px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 520px) {
  .shell { padding-top: 7vh; }
  .panel { flex-direction: column; }
  .go { width: 100%; }
}

.gate {
  margin-top: 14px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
}

.gate-why {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 15px;
}

.gate-steps {
  margin: 0 0 14px;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.gate-steps li { margin-bottom: 4px; }

.gate-steps kbd {
  padding: 1px 5px;
  background: #1c2229;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.panel-stack { flex-direction: column; align-items: stretch; }

.source {
  width: 100%;
  resize: vertical;
  font-size: 13px;
  line-height: 1.5;
}

.candidate-note {
  margin: 14px 2px 8px;
  color: var(--muted);
  font-size: 14px;
}

.userscript {
  margin-top: 28px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.us-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 650;
}

.us-body {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.us-link { color: var(--accent); }

.us-install {
  display: inline-block;
  margin-top: 4px;
  text-decoration: none;
}

.ios {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.ios-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 650;
}

.ios-note { margin-top: 10px; }

/* Doubts about a destination we still returned — cautionary, not an error. */
.warnings {
  margin-top: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--warn-border, #6b5424);
  border-left-width: 3px;
  border-radius: 6px;
  background: var(--warn-bg, rgba(240, 184, 102, 0.07));
}

.warnings-head {
  margin: 0 0 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warn, #f0b866);
}

.warnings ul {
  margin: 0;
  padding-left: 1.1rem;
}

.warnings li {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted, #9aa4b2);
}

/* Asserting the challenge was cleared — the widget looks the same either way. */
.solved-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted, #9aa4b2);
  cursor: pointer;
  user-select: none;
}

.solved-check input {
  accent-color: var(--accent, #5ee0a4);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

/* Furthest point the walk reached before a challenge stopped it. Deliberately
   not styled as a destination — it is a waypoint to open, not an answer. */
.reached {
  padding: 0.75rem 0.9rem;
  border: 1px dashed var(--warn-border, #6b5424);
  border-radius: 6px;
  background: var(--warn-bg, rgba(240, 184, 102, 0.07));
}

.reached-head {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warn, #f0b866);
}