:root {
  --bg-1: #09111f;
  --bg-2: #153459;
  --card: rgba(10, 19, 36, 0.78);
  --card-border: rgba(255,255,255,0.1);
  --text: #f5fbff;
  --muted: #a8bad1;
  --accent: #78eeff;
  --accent-2: #7ea1ff;
  --shadow: 0 22px 80px rgba(0,0,0,.34);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(120,238,255,.16), transparent 28%), linear-gradient(180deg, var(--bg-2), var(--bg-1) 72%);
}
.app-shell { max-width: 1360px; margin: 0 auto; padding: 24px; }
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 26px;
  box-shadow: var(--shadow); backdrop-filter: blur(18px);
}
.hero {
  padding: 26px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items: center; margin-bottom: 18px;
}
.eyebrow { margin: 0 0 8px; color: var(--accent); letter-spacing: .14em; text-transform: uppercase; font-size: 12px; font-weight: 800; }
h1, h2, h3 { margin: 0; }
h1 { font-size: clamp(34px, 6vw, 62px); line-height: 1.02; max-width: 11ch; }
.lead, .panel-sub { color: var(--muted); line-height: 1.65; }
.search-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
input, button { font: inherit; }
input {
  width: 100%; padding: 14px 16px; border-radius: 16px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06); color: var(--text);
}
button {
  border: 0; border-radius: 16px; padding: 14px 18px; cursor: pointer; font-weight: 700;
  color: #041120; background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.ghost-btn { color: var(--text); background: rgba(255,255,255,.08); }
.ghost-btn.small { padding: 10px 12px; font-size: 14px; }
.hero-actions, .action-row { display: grid; gap: 12px; }
.action-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.content-grid { display: grid; grid-template-columns: 360px 1fr; gap: 18px; }
.sidebar, .main-column { display: grid; gap: 18px; align-content: start; }
.panel { padding: 20px; }
.panel-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
.stack-list { display: grid; gap: 10px; }
.result-item, .pin-item, .major-card {
  border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.04); border-radius: 18px; padding: 14px;
}
.result-item button, .pin-item button, .major-card button { width: 100%; }
.result-meta, .mini-meta { color: var(--muted); font-size: 14px; }
.selected-city-view { min-height: 280px; }
.current-weather { padding: 22px; }
.status-badge {
  display: inline-flex; align-items: center; padding: 8px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: rgba(120,238,255,.1); color: var(--accent);
}
.city-hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; align-items: start;
}
.weather-main {
  display: grid; gap: 12px;
}
.weather-main h3 { font-size: clamp(28px, 5vw, 42px); }
.temp-line { font-size: clamp(48px, 8vw, 78px); font-weight: 800; line-height: 1; }
.info-grid, .forecast-grid, .major-cities-grid {
  display: grid; gap: 12px;
}
.info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-card, .forecast-card {
  padding: 14px; border-radius: 18px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
}
.info-card span, .forecast-card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.info-card strong, .forecast-card strong { font-size: 18px; }
.forecast-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 16px; }
.major-cities-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.major-card { display: grid; gap: 10px; }
.major-card h3 { font-size: 20px; }
.pin-actions { display: flex; gap: 8px; }
.pin-actions button { flex: 1; }
.empty-state { color: var(--muted); line-height: 1.65; }
@media (max-width: 1080px) {
  .hero, .content-grid, .city-hero, .major-cities-grid, .forecast-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .app-shell { padding: 12px; }
  .panel, .current-weather, .hero { padding: 18px; }
  .search-form, .action-row, .info-grid { grid-template-columns: 1fr; }
}