:root {
  --bg: #ffffff;
  --fg: #141414;
  --muted: #6a6a6a;
  --line: #e7e7e4;
  --soft: #f6f6f3;
  --accent: #0a7a55;
  --accent-fg: #ffffff;
  --go: #0a7a55;
  --soon: #a35f00;
  --danger: #b42318;
  --focus: #0a7a5566;
  --radius: 12px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #ececea;
    --muted: #9b9b97;
    --line: #2a2a28;
    --soft: #1a1a19;
    --accent: #37c48d;
    --accent-fg: #06110c;
    --go: #37c48d;
    --soon: #e0a447;
    --danger: #ff7a6e;
    --focus: #37c48d66;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}

main, .top, .foot {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--bg); padding: 8px 12px; z-index: 10; }

[hidden] { display: none !important; }

/* Header */

.top { padding-top: 22px; padding-bottom: 8px; }
.brand { font-weight: 650; text-decoration: none; letter-spacing: -0.01em; }
.brand::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 1px;
}

/* Intro */

.intro { padding: 56px 0 28px; transition: padding .2s ease; }
.intro h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 680;
}
.intro p { margin: 0; color: var(--muted); font-size: 18px; }

body.has-query .intro { display: none; }
body.has-query #search { margin-top: 20px; }
body.has-query .explainer { display: none; }

/* Form */

#search { display: grid; gap: 14px; }

.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: 14px; font-weight: 560; }
.optional { color: var(--muted); font-weight: 400; margin-left: 4px; }

input, select, button { font: inherit; color: inherit; }

input, select {
  width: 100%;
  height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color .15s ease;
}
input::placeholder { color: var(--muted); opacity: .8; }
input:hover, select:hover { border-color: color-mix(in srgb, var(--fg) 25%, var(--line)); }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="search"]::-webkit-search-cancel-button { display: none; }

select {
  appearance: none;
  padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 19px) 22px, calc(100% - 14px) 22px;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.with-button { position: relative; }
.with-button input { padding-right: 52px; }
.icon-button {
  position: absolute; right: 5px; top: 5px;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 0; border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.icon-button:hover { color: var(--accent); background: var(--soft); }
.icon-button.busy svg { animation: pulse 1s ease-in-out infinite; }

.field-error { margin: 0; color: var(--danger); font-size: 14px; }

.filters { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 10px; }

button.primary {
  height: 52px;
  margin-top: 4px;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 620;
  cursor: pointer;
  transition: filter .15s ease, transform .05s ease;
}
button.primary:hover { filter: brightness(1.08); }
button.primary:active { transform: translateY(1px); }

/* Explainer */

.explainer { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 18px; color: var(--muted); }
.explainer summary { cursor: pointer; color: var(--fg); font-weight: 560; list-style: none; }
.explainer summary::-webkit-details-marker { display: none; }
.explainer summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
.explainer[open] summary::after { content: "–"; }
.explainer p { margin: 12px 0 0; }

/* Results */

#results { margin-top: 30px; }

.count { margin: 0 0 4px; color: var(--muted); font-size: 15px; }
.count strong { color: var(--fg); font-weight: 600; }

.list { list-style: none; margin: 0; padding: 0; }

.card {
  display: block;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.card:hover { color: inherit; }
.card:hover h2 { color: var(--accent); }
.card h2 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: color .15s ease;
}
.card .summary {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.meta {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 4px 14px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.status { display: inline-flex; align-items: center; gap: 7px; font-weight: 560; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status.go { color: var(--go); }
.status.soon { color: var(--soon); }
.status.muted { color: var(--muted); }

.more-button, .secondary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  font-weight: 560;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
}
.more-button { width: 100%; margin-top: 22px; }
.more-button:hover, .secondary:hover { border-color: var(--fg); color: inherit; }

.notice { padding: 28px 0; }
.notice h2 { margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.notice p { margin: 0 0 6px; color: var(--muted); }
.notice ul { margin: 8px 0 18px; padding-left: 20px; color: var(--muted); }
.notice .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.loading { padding: 8px 0; }
.skeleton { padding: 20px 0; border-bottom: 1px solid var(--line); }
.skeleton span {
  display: block; height: 12px; margin: 10px 0; border-radius: 6px;
  background: var(--soft);
  animation: pulse 1.2s ease-in-out infinite;
}
.skeleton span:nth-child(1) { width: 85%; height: 16px; }
.skeleton span:nth-child(2) { width: 40%; }
.skeleton span:nth-child(3) { width: 95%; }

@keyframes pulse { 50% { opacity: .45; } }

/* Study page */

#study-view { padding: 28px 0 10px; }

.back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
}
.back:hover { color: var(--fg); }

#study-view > header { margin: 22px 0 8px; }
#study-view h1 {
  margin: 12px 0 0;
  font-size: clamp(25px, 4.6vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 660;
}
.phase-note { margin: 12px 0 0; color: var(--muted); }

.block { padding: 26px 0 4px; border-top: 1px solid var(--line); margin-top: 26px; }
.block h2 { margin: 0 0 12px; font-size: 20px; font-weight: 640; letter-spacing: -0.01em; }
.block h3 { margin: 22px 0 8px; font-size: 16px; font-weight: 620; }
.block p { margin: 0 0 12px; }
.block ul { margin: 0 0 12px; padding-left: 20px; }
.block li { margin: 4px 0; }
.hint { color: var(--muted); font-size: 15px; }

.facts {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}
.facts div { background: var(--bg); padding: 12px 14px; }
.facts dt { font-size: 13px; color: var(--muted); }
.facts dd { margin: 2px 0 0; font-weight: 580; }

.criteria { list-style: none; padding: 0 !important; }
.criteria li { position: relative; padding-left: 26px; margin: 8px 0; }
.criteria li::before {
  position: absolute; left: 0; top: 0;
  width: 18px; text-align: center;
  font-weight: 700;
}
.criteria.yes li::before { content: "✓"; color: var(--go); }
.criteria.no li::before { content: "✕"; color: var(--danger); font-size: 14px; top: 1px; }
.criteria li.d1 { margin-left: 26px; font-size: 15.5px; color: var(--muted); }
.criteria li.d2, .criteria li.d3 { margin-left: 52px; font-size: 15px; color: var(--muted); }
.criteria li.d1::before, .criteria li.d2::before, .criteria li.d3::before { content: "–"; color: var(--muted); font-weight: 400; }

details.fold { margin-top: 6px; }
details.fold > summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 15px;
  font-weight: 560;
  list-style: none;
  padding: 6px 0;
}
details.fold > summary::-webkit-details-marker { display: none; }
details.fold[open] > summary { margin-bottom: 4px; }

.interventions { list-style: none; padding: 0 !important; }
.interventions li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); margin: 0 !important; }
.interventions li:last-child { border-bottom: 0; }
.interventions span { color: var(--muted); font-size: 14px; white-space: nowrap; }

.sites { list-style: none; padding: 0 !important; margin: 0 !important; }
.sites li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); margin: 0 !important; }
.sites li:last-child { border-bottom: 0; }
.sites .name { font-weight: 560; }
.sites .place { color: var(--muted); font-size: 14.5px; }
.sites .right { text-align: right; flex-shrink: 0; font-size: 14px; }
.sites .dist { font-weight: 600; }

.contacts { display: grid; gap: 10px; margin-bottom: 8px; }
.contact {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.contact .who { font-weight: 580; }
.contact .where { color: var(--muted); font-size: 14px; }
.contact .ways { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 6px; font-size: 15.5px; }
.contact .ways a { color: var(--accent); text-decoration: none; font-weight: 560; overflow-wrap: anywhere; }
.contact .ways a:hover { text-decoration: underline; }

.message {
  width: 100%;
  min-height: 250px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  color: var(--fg);
  font: 15px/1.55 var(--font);
  resize: vertical;
}
.message:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
.message-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.message-actions .primary { height: 46px; margin: 0; padding: 0 20px; font-size: 15px; display: inline-flex; align-items: center; text-decoration: none; }
.message-actions .primary:hover { color: var(--accent-fg); }

.official { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }

/* Footer */

.foot {
  margin-top: 64px;
  padding-top: 22px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.foot p { margin: 0 0 6px; }

/* Toast */

.toast {
  position: fixed; left: 50%; bottom: 24px;
  transform: translate(-50%, 20px);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--fg); color: var(--bg);
  font-size: 15px;
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 560px) {
  body { font-size: 16.5px; }
  main, .top, .foot { padding: 0 16px; }
  .intro { padding: 36px 0 22px; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filters .field:last-child { grid-column: 1 / -1; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts div:last-child { grid-column: 1 / -1; }
  .interventions li { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}