/* ggopenornot — night-drive road-signage aesthetic */
:root {
  --asphalt: #15171b;
  --asphalt-2: #1b1e24;
  --line: #2c313a;
  --ink: #e8e6df;
  --ink-dim: #9aa0ab;
  --marking: #f2c200;           /* road-marking yellow */
  --sign-open: #1c7c3f;         /* AS 1743 sign green */
  --sign-caution: #e8a000;
  --sign-likely: #d95d00;
  --sign-closed: #b6212e;
  --sign-unknown: #4a4f57;
  --radius: 14px;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Barlow Semi Condensed", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; }

body {
  min-height: 100dvh;
  background:
    radial-gradient(120% 90% at 50% 0%, #232833 0%, var(--asphalt) 55%),
    var(--asphalt);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  padding-bottom: 3rem;
}

/* faint asphalt grain */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* hazard tape trim along the very top edge of the page, like site hoarding */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 8px;
  z-index: 10;
  pointer-events: none;
  background: repeating-linear-gradient(
    -45deg, var(--marking) 0 14px, #14161a 14px 28px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.8);
}

/* dashed edge lines flanking the content column — the column is the road */
.road-edge::before,
.road-edge::after {
  content: "";
  position: fixed;
  top: 8px; bottom: 0;
  width: 3px;
  background: repeating-linear-gradient(
    to bottom, var(--marking) 0 26px, transparent 26px 48px);
  opacity: 0.22;
  pointer-events: none;
}
.road-edge::before { left: calc(50vw - 392px); }
.road-edge::after { right: calc(50vw - 392px); }

@media (max-width: 880px) {
  .road-edge::before,
  .road-edge::after { display: none; }
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 2.2rem 1.2rem 0;
  position: relative;
}

header { text-align: left; margin-bottom: 1.7rem; }

.route-marker {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: #111;
  background: var(--marking);
  border: 2px solid #111;
  outline: 2px solid var(--marking);
  padding: 0.1rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 4.6rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  text-transform: lowercase;
}

/* THE SIGN */
.sign {
  border-radius: var(--radius);
  border: 5px solid #f4f2ea;
  box-shadow:
    0 14px 40px rgba(0, 0, 0, 0.55),
    inset 0 2px 0 rgba(255, 255, 255, 0.28),
    inset 0 -14px 34px rgba(0, 0, 0, 0.28);
  padding: clamp(1.6rem, 6vw, 2.6rem) 1.2rem;
  text-align: center;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0) 38%),
    var(--sign-unknown);
  transition: background-color 0.6s ease;
  margin-bottom: 1.4rem;
}

.sign__word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 18vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  color: #fff;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}

.sign__sub {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 3.5vw, 1.3rem);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  margin-top: 0.5rem;
}

.sign--open          { background-color: var(--sign-open); }
.sign--caution       { background-color: var(--sign-caution); }
.sign--caution .sign__word, .sign--caution .sign__sub { color: #171102; text-shadow: none; }
.sign--likely_closed { background-color: var(--sign-likely); }
.sign--closed        { background-color: var(--sign-closed); animation: throb 2.4s ease-in-out infinite; }
.sign--unknown, .sign--loading { background-color: var(--sign-unknown); }

@keyframes throb {
  0%, 100% { box-shadow: 0 14px 40px rgba(0,0,0,0.55), 0 0 0 0 rgba(182,33,46,0.55),
             inset 0 2px 0 rgba(255,255,255,0.28), inset 0 -14px 34px rgba(0,0,0,0.28); }
  50%      { box-shadow: 0 14px 40px rgba(0,0,0,0.55), 0 0 0 18px rgba(182,33,46,0),
             inset 0 2px 0 rgba(255,255,255,0.28), inset 0 -14px 34px rgba(0,0,0,0.28); }
}

/* EXPANDERS */
.expanders {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

@media (max-width: 480px) {
  .expanders { gap: 0.5rem; }
  .expander { padding: 0.8rem 0.4rem; font-size: 0.95rem; letter-spacing: 0.08em; }
}

.expander {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--asphalt-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: border-color 0.2s ease;
}

.expander:hover { border-color: var(--marking); }
.expander[aria-expanded="true"] { border-color: var(--marking); color: var(--marking); }
.expander__chev { transition: transform 0.25s ease; }
.expander[aria-expanded="true"] .expander__chev { transform: rotate(180deg); }

/* HISTORY TABLE */
.htable { max-height: 340px; overflow-y: auto; }

.htable table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

.htable th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: left;
  padding: 0.3rem 0.6rem 0.45rem 0;
  position: sticky;
  top: 0;
  background: var(--asphalt-2);
}

.htable td {
  padding: 0.5rem 0.6rem 0.5rem 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.htable .hnote { color: var(--ink-dim); font-size: 0.8rem; display: block; margin-top: 0.15rem; }
.htable .hwhen { white-space: nowrap; }

/* PANELS */
.panel {
  background: var(--asphalt-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.2rem;
  margin-bottom: 1.4rem;
}

.panel h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--marking);
  margin-bottom: 0.55rem;
}

#basis { font-size: 1.05rem; }

.meta { color: var(--ink-dim); font-size: 0.88rem; margin-top: 0.5rem; }

/* SOURCE CARDS */
.sources { display: grid; gap: 0.8rem; }
@media (min-width: 700px) { .sources { grid-template-columns: repeat(3, 1fr); } }

.source {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
  background: rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.source--unconfigured { border-style: dashed; opacity: 0.75; }

.source__head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }

.source__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source__kind { color: var(--ink-dim); font-size: 0.8rem; }

.chip {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 0.12rem 0.5rem;
  border-radius: 5px;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}
.chip--open          { background: var(--sign-open); }
.chip--caution       { background: var(--sign-caution); color: #171102; }
.chip--closed, .chip--likely_closed { background: var(--sign-closed); }
.chip--unknown       { background: var(--sign-unknown); }
.chip--unconfigured  { background: transparent; border: 1px dashed var(--ink-dim); color: var(--ink-dim); }

.source__detail { font-size: 0.92rem; }
.source__meta { color: var(--ink-dim); font-size: 0.8rem; margin-top: auto; }
.source__error { color: #e07f8a; font-size: 0.8rem; }

footer { color: var(--ink-dim); font-size: 0.85rem; padding: 0.4rem 0.2rem 0; }
footer p + p { margin-top: 0.5rem; }
footer a { color: var(--marking); }
.disclaimer { font-size: 0.78rem; }