/* Substation Scout — Power Access Report. No framework, no build step. */

/* ── SHARED DESIGN TOKENS ──────────────────────────────────────────────────
   Keep byte-identical with substation-scout/assets/style.css. That repo's
   build.js diffs the two blocks and warns on drift, so the homepage and this
   tool cannot silently diverge.
   ------------------------------------------------------------------------- */
:root {
  --ink: #12161c;
  --ink-2: #4a5460;
  --line: #dde3ea;
  --surface: #f6f8fa;
  --card: #fff;
  --accent: #0b6bcb;
  --accent-ink: #fff;
  --warn-bg: #fff8e6;
  --warn-line: #e8c766;
  --good: #1a7f47;
  --bad: #b23c17;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}
/* ── END SHARED DESIGN TOKENS ─────────────────────────────────────────── */

:root { --bg: var(--surface); }

* { box-sizing: border-box; }

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

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

.top {
  background: var(--ink);
  color: #fff;
  padding: 22px 0 20px;
  margin-bottom: 24px;
}
.top h1 { margin: 0; font-size: 24px; letter-spacing: -0.01em; }
.top .tag { margin: 6px 0 0; color: #a8b3c0; font-size: 15px; }
/* Back-link to the marketing site. The two properties are separate origins, so
   this is the only navigation between them. */
.top .home {
  display: inline-block; margin: 0 0 10px;
  color: #8fa8c4; font-size: 13px; text-decoration: none;
}
.top .home:hover { color: #fff; text-decoration: underline; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 16px; font-size: 17px; letter-spacing: -0.01em; }
.card h3 { margin: 0 0 10px; font-size: 15px; }

.hint {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--ink-2);
  background: var(--warn-bg);
  border-left: 3px solid var(--warn-line);
  padding: 11px 13px;
  border-radius: 0 6px 6px 0;
}

/* tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 14px; }
.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
}
.tab.is-on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* inputs */
.row { display: flex; gap: 8px; }
.row input {
  flex: 1;
  min-width: 0;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 15px;
  font-family: inherit;
}
.row input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }

.btn {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  padding: 11px 20px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.5; cursor: default; }

/* A-B-C process strip */
.steps {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}
.step {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color .2s, background .2s;
}
.step .dot {
  flex: 0 0 auto;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--line);
  color: var(--ink-2);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
}
.step .txt { display: flex; flex-direction: column; line-height: 1.35; }
.step .txt b { font-size: 13.5px; font-weight: 600; }
.step .txt em { font-style: normal; font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.step.is-on { border-color: var(--accent); background: #f4f9ff; }
.step.is-on .dot { background: var(--accent); color: #fff; }
.step.is-done .dot { background: var(--good); color: #fff; }

/* inline working indicator */
.working {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--ink-2);
}
.working span {
  width: 14px; height: 14px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex: 0 0 auto;
}

/* button in its loading state */
.btn.is-busy { position: relative; color: transparent; pointer-events: none; }
.btn.is-busy::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 15px; height: 15px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* map */
#map { height: 380px; border-radius: 8px; border: 1px solid var(--line); }
.pinbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.mono { font-family: var(--mono); font-size: 13px; color: var(--ink-2); }

/* errors + candidates */
.err {
  margin: 12px 0 0;
  padding: 11px 13px;
  background: #fdeeea;
  border-left: 3px solid var(--bad);
  border-radius: 0 6px 6px 0;
  font-size: 14px;
  color: #7d2a10;
}
.candidates { margin: 12px 0 0; padding: 0; list-style: none; }
.candidates li {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 14px;
}
.candidates li:hover { border-color: var(--accent); background: #f2f8ff; }

/* spinner */
.spinner { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 15px; }
.spinner span {
  width: 15px; height: 15px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* results */
.finding { border-top: 1px solid var(--line); padding: 14px 0; }
.finding:first-child { border-top: 0; padding-top: 0; }
.finding .k { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); }
.finding .v { font-size: 19px; margin-top: 3px; letter-spacing: -0.01em; }
.finding .n { font-size: 13px; color: var(--ink-2); margin-top: 3px; }

.pill {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 6px;
}
.pill.ok { background: #e6f5ec; color: var(--good); }
.pill.amb { background: var(--warn-bg); color: #8a6100; }
.pill.no { background: #fdeeea; color: var(--bad); }

.locked {
  margin-top: 18px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fafbfc;
}
.locked h3 { margin: 0 0 10px; }
.locked ul { margin: 0 0 16px; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.locked li { margin-bottom: 5px; }

.freebox {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--warn-line);
  background: var(--warn-bg);
  border-radius: 8px;
  font-size: 14px;
}

.report {
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-top: 16px;
}

.sources { background: #fbfcfd; }
.sources p { margin: 0 0 10px; font-size: 14px; color: var(--ink-2); }
.fine { font-size: 12px; color: #8b96a3; }
footer.wrap { padding-bottom: 40px; }

.hidden { display: none !important; }

@media (max-width: 560px) {
  .row { flex-direction: column; }
  #map { height: 300px; }
  .top h1 { font-size: 20px; }
  .steps { flex-direction: column; gap: 6px; }
  .step { padding: 10px 12px; }
}