:root {
  --bg: #f2efe6;
  --card: #fffdf6;
  --text: #1d2b2a;
  --muted: #4f5d5c;
  --line: #d9d4c7;
  --accent: #0f7b72;
  --accent-strong: #0b5b55;
}

:root[data-theme="dark"] {
  --bg: #0f1b1a;
  --card: #142423;
  --text: #f4f7f6;
  --muted: #b5c3c1;
  --line: #2d4240;
  --accent: #5ad2c7;
  --accent-strong: #9fece5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(15, 123, 114, 0.15), transparent 35%),
    radial-gradient(circle at 80% 90%, rgba(11, 91, 85, 0.18), transparent 40%),
    var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  gap: 0.6rem;
}

.btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent);
}

.clock-page {
  flex: 1;
  width: min(960px, 92vw);
  margin: 3vh auto 5vh;
  text-align: center;
  padding: 1.2rem;
}

.kicker {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.city-title {
  margin: 0;
  font-size: clamp(1.6rem, 2.2vw, 2.4rem);
}

.clock {
  margin: 0.5rem 0 0.2rem;
  font-size: clamp(3rem, 15vw, 12rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0;
  white-space: nowrap;
  color: var(--accent-strong);
}

.clock-period {
  font-size: 0.9em;
}

.date {
  margin: 0.7rem 0 1.4rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
}

.search-wrap {
  max-width: 560px;
  margin: 0 auto 1.5rem;
  text-align: left;
  background: color-mix(in hsl, var(--card), transparent 6%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

.search-wrap label {
  font-size: 0.9rem;
  color: var(--muted);
}

.search-row {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
}

.search-row input {
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  padding: 0.6rem 0.75rem;
  color: var(--text);
  background: var(--card);
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.7rem 0 0;
}

.popular {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.popular a {
  color: var(--accent-strong);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

.city-meta {
  width: min(760px, 96%);
  margin: 1.2rem auto 1.4rem;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in hsl, var(--card), transparent 6%);
  text-align: left;
}

.city-meta p {
  line-height: 1.55;
}

.facts {
  list-style: none;
  padding: 0;
  margin: 0.9rem 0 0.7rem;
  display: grid;
  gap: 0.4rem;
}

.site-footer {
  width: min(960px, 92vw);
  margin: auto auto 2rem;
  padding: 0.9rem 1.2rem;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-strong);
}

.content-page {
  flex: 1;
  width: min(860px, 92vw);
  margin: 4vh auto 2rem;
  padding: 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in hsl, var(--card), transparent 5%);
}

.content-page h1 {
  margin-top: 0;
  margin-bottom: 0.9rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.content-page h2 {
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.content-page p {
  margin: 0.4rem 0;
  line-height: 1.65;
  color: var(--text);
}

.content-page .small {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta-collapse {
  margin: 0.6rem 0 0.8rem;
}

.meta-collapse summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 600;
}

@media (max-width: 640px) {
  .clock-page {
    margin-top: 1vh;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-wrap: wrap;
  }
}