:root {
  --bg: #f4efe8;
  --ink: #171717;
  --muted: #706d68;
  --line: rgba(23, 23, 23, 0.14);
  --panel: rgba(255, 255, 255, 0.35);
  --current-aqi: #00E400;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 35%, rgba(255,255,255,0.52), transparent 46%), var(--bg);
  color: var(--ink);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.page-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 28px;
}
.site-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.eyebrow, .city-form label, .aqi-label {
  margin: 0;
  font: 500 11px/1.2 "DM Mono", monospace;
  letter-spacing: 0.13em;
}
h1 {
  margin: 8px 0 4px;
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
}
.artist-link {
  font-size: 0.98rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 23, 23, 0.26);
  padding-bottom: 2px;
}
.header-note {
  max-width: 260px;
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.4;
  text-align: right;
}
.art-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 30px;
  align-items: center;
  padding: 32px 0 18px;
}
.art-frame {
  padding: 16px;
}
.art-stage {
  position: relative;
  width: min(100%, 760px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  overflow: hidden;
}
.state-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: translateY(-10%);
  transition: opacity 640ms ease;
}
.state-image.is-visible { opacity: 1; }
.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 14px auto 0;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(23, 23, 23, 0.1);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(10px);
  font: 500 0.9rem/1 "DM Mono", monospace;
}
.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--current-aqi);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--current-aqi) 18%, transparent);
}
.reading {
  display: grid;
  gap: 18px;
}
.reading-primary {
  display: flex;
  gap: 18px;
  align-items: center;
}
.aqi-number {
  font-size: clamp(4rem, 10vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}
.aqi-label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}
.category {
  display: block;
  font-size: 1.25rem;
  line-height: 1.15;
  max-width: 16ch;
}
.location-block {
  display: grid;
  gap: 8px;
  font-size: 0.98rem;
}
.location-name { font-weight: 600; }
.updated { color: var(--muted); line-height: 1.4; }
.save-state-button {
  justify-self: start;
  min-height: 0;
  padding: 0 0 5px;
  border-radius: 0;
  border-bottom: 1px solid rgba(23,23,23,0.35);
  background: transparent;
  color: var(--ink);
  font: 500 11px/1.2 "DM Mono", monospace;
  letter-spacing: 0.1em;
  transition: opacity 160ms ease, border-color 160ms ease;
}
.save-state-button:hover { border-bottom-color: var(--ink); }
.save-state-button[hidden] { display: none; }
.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding: 20px 0 30px;
  border-bottom: 1px solid var(--line);
}
.city-form { width: min(100%, 760px); min-width: 0; }
.input-row {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(23, 23, 23, 0.14);
  background: rgba(255,255,255,0.45);
  font-size: 1rem;
}
input[type="search"]:focus {
  outline: none;
  border-color: rgba(23,23,23,0.4);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.05);
}
button {
  border: none;
  border-radius: 16px;
  padding: 0 20px;
  min-height: 56px;
  background: #171717;
  color: #fff;
  letter-spacing: 0.04em;
}
button:disabled { opacity: 0.5; cursor: wait; }
.location-button {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(23,23,23,0.14);
  white-space: nowrap;
  margin-top: 21px;
}
.form-hint, .error-message {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.4;
}
.form-hint { color: var(--muted); }
.error-message { color: #8a1f1f; min-height: 1.4em; }
.concept, .artist-statement, .progression-reference {
  padding: 26px 0 4px;
}
.concept-statement {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.4;
  max-width: 58ch;
  margin: 0 0 18px;
}
.scale {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.scale-item {
  padding: 14px;
  border: 1px solid rgba(23,23,23,0.1);
  border-radius: 16px;
  background: rgba(255,255,255,0.4);
  display: grid;
  gap: 7px;
  min-height: 108px;
}
.scale-item span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c);
}
.scale-item b {
  font-size: 0.98rem;
  font-weight: 600;
}
.scale-item em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}
.statement-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}
.statement-label a {
  text-decoration: none;
  color: var(--muted);
}
.statement-copy {
  max-width: 74ch;
  font-size: 1.05rem;
  line-height: 1.72;
}
.preview-figure {
  margin: 12px 0 0;
  width: min(100%, 760px);
}
.preview-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(23,23,23,0.08);
}
footer {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  line-height: 1.5;
}
@media (max-width: 900px) {
  .site-header, .controls, .art-section, .statement-label {
    grid-template-columns: 1fr;
    display: grid;
  }
  .site-header, .controls { gap: 20px; }
  .header-note { text-align: left; max-width: none; }
  .art-section { gap: 22px; }
  .reading-primary { align-items: flex-start; }
  .scale { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .location-button { justify-self: start; margin-top: 0; }
}
@media (max-width: 640px) {
  .page-shell { width: min(100% - 28px, 1180px); }
  .input-row { flex-direction: column; }
  button { width: 100%; }
  .save-state-button { width: auto; }
  .aqi-number { font-size: 3.35rem; }
  .scale { grid-template-columns: 1fr; }
}