:root {
  --text: #fff;
  --text-dim: rgba(255, 255, 255, 0.62);
  --card: rgba(255, 255, 255, 0.14);
  --card-line: rgba(255, 255, 255, 0.18);
  --track: rgba(0, 0, 0, 0.18);
  --rain: #7cc4ff;
  --radius: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #3a6fb0 0%, #6b9bd1 100%) fixed;
  transition: background 0.6s ease;
}

/* Sky backgrounds, chosen from current conditions */
body.sky-day     { background: linear-gradient(180deg, #2f6fc1 0%, #6aa5e0 100%) fixed; }
body.sky-night   { background: linear-gradient(180deg, #0b1630 0%, #26365e 100%) fixed; }
body.sky-cloudy  { background: linear-gradient(180deg, #5a6d83 0%, #8fa1b5 100%) fixed; }
body.sky-rain    { background: linear-gradient(180deg, #3b4a5e 0%, #687b92 100%) fixed; }
body.sky-snow    { background: linear-gradient(180deg, #7d8ea3 0%, #b6c3d2 100%) fixed; }
body.sky-thunder { background: linear-gradient(180deg, #262c3d 0%, #4d5670 100%) fixed; }
body.sky-cloudy-night { background: linear-gradient(180deg, #1b2230 0%, #3a4558 100%) fixed; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.wordmark { font-weight: 600; letter-spacing: 0.02em; opacity: 0.9; }

.controls { display: flex; align-items: center; gap: 8px; }

button { font: inherit; color: inherit; cursor: pointer; }

.chip, .unit-toggle {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 999px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.chip { padding: 6px 12px; font-size: 0.85rem; }

.unit-toggle { display: flex; padding: 2px; }
.unit-toggle button {
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.unit-toggle button[aria-pressed="true"] { background: rgba(255, 255, 255, 0.28); color: var(--text); }

main {
  flex: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 14px 16px;
}

/* Location prompt */
.locate { margin-top: 18vh; text-align: center; }
.locate-status { margin: 4px 0; font-size: 1.05rem; }
.zip-form label { display: block; margin-bottom: 10px; font-size: 1.05rem; }
.zip-row { display: flex; gap: 8px; justify-content: center; }
.zip-row input {
  width: 9em;
  font: inherit;
  font-size: 1.1rem;
  text-align: center;
  letter-spacing: 0.1em;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--card-line);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
}
.zip-row input::placeholder { color: var(--text-dim); letter-spacing: 0; }
.zip-row button {
  padding: 8px 14px;
  border-radius: 10px;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  color: #1d3d66;
  font-weight: 600;
}
.link {
  margin-top: 12px;
  background: none;
  border: 0;
  color: var(--text-dim);
  text-decoration: underline;
  font-size: 0.9rem;
}
.error { color: #ffd6d6; margin: 10px 0 0; }

.loading { text-align: center; margin-top: 30vh; color: var(--text-dim); }

/* Hero */
.hero { text-align: center; padding: 18px 0 26px; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.15); }
.place { margin: 0; font-size: 2rem; font-weight: 400; }
.hero-temp { font-size: 6rem; font-weight: 200; line-height: 1; margin: 4px 0 2px; padding-left: 0.25em; }
.hero-text { font-size: 1.25rem; font-weight: 500; }
.hero-hilo { font-size: 1.15rem; font-weight: 500; margin-top: 2px; }
.hero-extra { margin-top: 8px; font-size: 0.9rem; color: var(--text-dim); }

/* Daily list */
.card-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--card-line);
}

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

.load-more {
  text-align: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--card-line);
}
.load-more .chip { backdrop-filter: none; -webkit-backdrop-filter: none; }
.load-more .chip:disabled { opacity: 0.6; cursor: default; }
.load-more-status { margin: 8px 0 0; font-size: 0.8rem; color: var(--text-dim); }

.day {
  display: grid;
  grid-template-columns: 4.4em 2em 2.6em 1fr 2.6em;
  grid-template-rows: auto 1.1em;
  column-gap: 10px;
  align-items: center;
  padding: 9px 0 5px;
  border-bottom: 1px solid var(--card-line);
  font-size: 1.1rem;
  font-weight: 500;
}
.day:last-child { border-bottom: 0; }

.day-name { grid-row: 1 / span 2; line-height: 1.15; }
.day-name small { display: block; font-size: 0.72rem; font-weight: 400; color: var(--text-dim); }
.day-icon { grid-row: 1 / span 2; font-size: 1.3rem; text-align: center; }
.day-low { text-align: right; color: var(--text-dim); }
.day-high { text-align: left; }
.day-low, .day-high { font-variant-numeric: tabular-nums; }

.bar-track {
  position: relative;
  height: 5px;
  border-radius: 3px;
  background: var(--track);
}
.bar {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 3px;
  min-width: 5px;
}
.now-dot {
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.25);
}

.precip {
  grid-column: 3 / span 3;
  grid-row: 2;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--rain);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.day.today { font-weight: 700; }

/* Forecast days are shown faded, so observed history is the focus */
.day.forecast .day-name,
.day.forecast .day-icon,
.day.forecast .day-low,
.day.forecast .day-high,
.day.forecast .precip { opacity: 0.55; }
.day.forecast .bar { opacity: 0.5; filter: saturate(0.6); }

.divider {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 10px 0 4px;
  border-bottom: 1px solid var(--card-line);
}

.legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 10px 0 0;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.legend span::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 5px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
  background: linear-gradient(90deg, #3fc9d6, #f3d34a, #f7a13a);
}
.legend-forecast::before { opacity: 0.5; filter: saturate(0.6); }
.partial-note { margin: 6px 0 0; text-align: center; font-size: 0.72rem; color: var(--text-dim); }

.source { text-align: center; font-size: 0.78rem; color: var(--text-dim); margin-top: 14px; }

.footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 12px 16px 20px;
}
.footer a { color: inherit; }

@media (max-width: 400px) {
  .day { grid-template-columns: 3.8em 1.7em 2.3em 1fr 2.3em; column-gap: 8px; font-size: 1rem; }
  .hero-temp { font-size: 5rem; }
}

@media (prefers-reduced-motion: reduce) {
  body { transition: none; }
}