:root {
  color-scheme: dark;
  --ink: #f4f8fb;
  --muted: #aebdca;
  --faint: #708293;
  --panel: rgba(10, 25, 42, 0.72);
  --panel-strong: rgba(7, 19, 33, 0.91);
  --line: rgba(255, 255, 255, 0.11);
  --accent: #8ee7ff;
  --accent-strong: #3cc9f4;
  --warm: #ffc66d;
  --good: #a7efbe;
  --radius-xl: 30px;
  --radius-lg: 22px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #07111f; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(56, 162, 213, 0.35), transparent 31rem),
    radial-gradient(circle at 15% 52%, rgba(25, 91, 145, 0.22), transparent 34rem),
    linear-gradient(145deg, #07111f 0%, #0b2138 54%, #0a1728 100%);
  transition: background 600ms ease;
}

body[data-weather="cloud"] { background: radial-gradient(circle at 75% 5%, rgba(127,150,170,.25), transparent 28rem), linear-gradient(145deg,#0a121c,#233445 55%,#0b1824); }
body[data-weather="rain"] { background: radial-gradient(circle at 72% 7%, rgba(66,115,163,.28), transparent 26rem), linear-gradient(145deg,#070d17,#12283c 55%,#09121e); }
body[data-weather="clear"] { background: radial-gradient(circle at 78% 8%, rgba(56,162,213,.35), transparent 31rem), radial-gradient(circle at 15% 52%, rgba(25,91,145,.22), transparent 34rem), linear-gradient(145deg,#07111f,#0b2138 54%,#0a1728); }

button, input { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(142,231,255,.55); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.ambient { position: fixed; inset: 0; overflow: hidden; pointer-events: none; opacity: .75; }
.ambient span { position: absolute; border-radius: 999px; border: 1px solid rgba(255,255,255,.06); animation: drift 18s ease-in-out infinite alternate; }
.ambient span:nth-child(1) { width: 40rem; height: 40rem; right: -17rem; top: 9rem; }
.ambient span:nth-child(2) { width: 27rem; height: 27rem; left: -12rem; top: 38%; animation-delay: -6s; }
.ambient span:nth-child(3) { width: 15rem; height: 15rem; right: 24%; bottom: -9rem; animation-delay: -11s; }
@keyframes drift { to { transform: translate3d(1.5rem,-1rem,0) scale(1.04); opacity: .45; } }

.app-shell { position: relative; width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding-bottom: 28px; }
.topbar { min-height: 96px; display: grid; grid-template-columns: 1fr minmax(280px, 460px) 1fr; align-items: center; gap: 24px; }
.brand { display: inline-flex; width: max-content; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -.04em; }
.brand-mark { display:block; width:38px; height:38px; border:1px solid rgba(255,255,255,.16); border-radius:12px; object-fit:cover; box-shadow:0 8px 22px rgba(0,0,0,.22); }
.search-wrap { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; height: 50px; padding: 0 7px 0 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(5,16,29,.48); backdrop-filter: blur(16px); box-shadow: 0 10px 40px rgba(0,0,0,.13); }
.search-icon { color: var(--muted); font-size: 1.4rem; transform: rotate(-18deg); }
.search-wrap input { min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 1rem; }
.search-wrap input::placeholder { color: #8c9cac; }
.search-action { min-width: 52px; min-height: 36px; border: 0; border-radius: 999px; background: rgba(142,231,255,.13); color: var(--accent); font-weight: 700; cursor: pointer; }
.top-actions { justify-self: end; display: flex; gap: 8px; }
.icon-button,.unit-button,.favorite-button { border: 1px solid var(--line); background: rgba(8,21,36,.55); cursor: pointer; backdrop-filter: blur(14px); }
.icon-button,.unit-button { min-width: 44px; height: 44px; border-radius: 50%; font-weight: 700; }
.unit-button { color: var(--accent); }

.hero-grid { min-height: 540px; display: grid; grid-template-columns: minmax(0,1.45fr) minmax(320px,.75fr); gap: 22px; }
.current-weather,.day-signal,.forecast-section { border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(22px); box-shadow: var(--shadow); }
.current-weather { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; min-height: 540px; padding: 36px 40px; border-radius: var(--radius-xl); }
.current-weather::after { content:""; position:absolute; width:360px; height:360px; right:-80px; top:-120px; border-radius:50%; background:radial-gradient(circle,rgba(255,198,109,.3),rgba(81,187,236,.07) 48%,transparent 69%); filter:blur(1px); pointer-events:none; }
.location-line,.signal-head,.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.eyebrow { margin: 0 0 8px; color: var(--muted); font-size: .78rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.live-dot { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 5px rgba(167,239,190,.08); }
h1,h2,p { margin-top: 0; }
h1,h2 { letter-spacing: -.045em; }
h1 { margin-bottom: 4px; font-size: clamp(2.2rem,5vw,4.7rem); line-height: 1; }
h2 { margin-bottom: 0; font-size: clamp(1.35rem,2.4vw,2rem); }
.local-date { margin: 8px 0 0; color: var(--muted); }
.favorite-button { position: relative; z-index: 1; display:grid; place-items:center; width:46px; height:46px; border-radius:50%; font-size:1.5rem; }
.favorite-button[aria-pressed="true"] { color: var(--warm); background: rgba(255,198,109,.12); }
.temperature-row { position: relative; z-index: 1; display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 24px 0; }
.weather-glyph { display: block; margin-bottom: 7px; color: var(--warm); font-size: 3rem; filter: drop-shadow(0 0 18px rgba(255,198,109,.23)); }
.condition { margin: 0; font-size: 1.08rem; font-weight: 600; }
.temperature { margin: 0; font-size: clamp(7rem,15vw,12.5rem); font-weight: 500; line-height: .74; letter-spacing: -.1em; }
.temperature sup { color: var(--accent); font-size: .27em; vertical-align: top; }
.weather-story { max-width: 620px; margin-bottom: 28px; color: #d5e1ea; font-size: clamp(1.05rem,2vw,1.28rem); line-height: 1.55; }
.quick-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.quick-metrics div { padding: 15px 16px; border-top: 1px solid var(--line); }
.quick-metrics span,.quick-metrics strong { display: block; }
.quick-metrics span { margin-bottom: 6px; color: var(--muted); font-size: .78rem; }
.quick-metrics strong { font-size: .96rem; }

.day-signal { min-height: 540px; padding: 30px; border-radius: var(--radius-xl); background: linear-gradient(165deg,rgba(15,39,62,.82),rgba(7,19,33,.91)); }
.signal-score { display:grid; place-items:center; width:56px; height:56px; border-radius:18px; color:#071621; background:var(--good); font-weight:800; font-size:1.05rem; box-shadow:0 12px 30px rgba(167,239,190,.14); }
.signal-track { position:relative; height:12px; margin:48px 2px 12px; border-radius:99px; background:linear-gradient(90deg,#63bfd2 0 23%,#9ce6b4 23% 67%,#ffd078 67% 82%,#7994a7 82%); opacity:.95; }
.track-fill { position:absolute; inset:-8px 39% -8px 21%; border:1px solid rgba(255,255,255,.15); border-radius:99px; }
.track-now { position:absolute; left:29%; top:50%; width:20px; height:20px; transform:translate(-50%,-50%); border:5px solid #fff; border-radius:50%; background:#0d273f; box-shadow:0 0 0 5px rgba(255,255,255,.1); }
.signal-times { display:flex; justify-content:space-between; color:var(--faint); font-size:.72rem; }
.signal-times span:nth-child(2) { color:var(--ink); font-weight:700; }
.insights { display:grid; gap:10px; margin-top:42px; }
.insight { display:grid; grid-template-columns:42px 1fr; gap:13px; align-items:center; padding:15px; border:1px solid var(--line); border-radius:17px; background:rgba(255,255,255,.035); }
.insight-icon { display:grid; place-items:center; width:40px; height:40px; border-radius:13px; background:rgba(142,231,255,.09); font-size:1.15rem; }
.insight strong,.insight span { display:block; }
.insight strong { margin-bottom:2px; font-size:.94rem; }
.insight span { color:var(--muted); font-size:.8rem; line-height:1.35; }

.forecast-section { margin-top:22px; padding:30px 34px 26px; border-radius:var(--radius-xl); background:rgba(7,19,33,.77); }
.section-heading { align-items:center; }
.view-tabs { display:flex; gap:4px; padding:4px; border:1px solid var(--line); border-radius:999px; background:rgba(255,255,255,.03); }
.tab { min-height:36px; padding:0 15px; border:0; border-radius:999px; color:var(--muted); background:transparent; cursor:pointer; font-weight:700; font-size:.82rem; }
.tab.is-active { color:#071621; background:var(--accent); }
.forecast-panel { margin-top:24px; }
.chart-wrap { position:relative; overflow:hidden; min-height:218px; border-radius:18px; background:linear-gradient(180deg,rgba(142,231,255,.055),transparent); }
#temperature-chart { display:block; width:100%; height:180px; overflow:visible; }
.hourly-labels { display:grid; grid-template-columns:repeat(8,1fr); color:var(--faint); font-size:.74rem; text-align:center; }
.rain-strip { display:flex; align-items:center; gap:11px; min-height:45px; margin-top:12px; padding:0 16px; border:1px solid rgba(142,231,255,.1); border-radius:14px; color:var(--muted); font-size:.84rem; background:rgba(142,231,255,.035); }
.rain-strip strong { color:var(--accent); }
.daily-panel { display:grid; grid-template-columns:repeat(7,1fr); gap:9px; }
.day-card { min-width:0; padding:18px 10px; border:1px solid var(--line); border-radius:17px; text-align:center; background:rgba(255,255,255,.025); transition:transform .2s ease,background .2s ease; }
.day-card:hover { transform:translateY(-3px); background:rgba(255,255,255,.055); }
.day-card span,.day-card strong { display:block; }
.day-name { color:var(--muted); font-size:.8rem; font-weight:700; }
.day-icon { margin:15px 0; font-size:1.5rem; }
.day-temp { font-size:.95rem; }
.day-rain { margin-top:9px; color:var(--accent); font-size:.72rem; }
footer { display:flex; justify-content:space-between; gap:20px; padding:20px 4px 0; color:var(--faint); font-size:.76rem; }
footer p { margin:0; }
footer strong { color:var(--muted); }
.toast { position:fixed; left:50%; bottom:24px; z-index:20; transform:translate(-50%,20px); padding:11px 17px; border:1px solid var(--line); border-radius:99px; color:var(--ink); background:#102a43; box-shadow:var(--shadow); opacity:0; pointer-events:none; transition:.25s ease; }
.toast.show { transform:translate(-50%,0); opacity:1; }

@media (max-width: 880px) {
  .topbar { grid-template-columns:1fr auto; padding:18px 0; }
  .search-wrap { grid-row:2; grid-column:1/-1; width:100%; }
  .hero-grid { grid-template-columns:1fr; }
  .current-weather { min-height:510px; }
  .day-signal { min-height:0; }
  .daily-panel { grid-template-columns:repeat(4,1fr); }
}
@media (max-width: 580px) {
  .app-shell { width:min(100% - 20px,1240px); }
  .topbar { gap:12px; }
  .current-weather,.day-signal,.forecast-section { border-radius:22px; }
  .current-weather { min-height:500px; padding:25px 22px; }
  .temperature-row { align-items:center; }
  .temperature { font-size:7.4rem; }
  .quick-metrics { grid-template-columns:repeat(2,1fr); }
  .day-signal { padding:24px 20px; }
  .forecast-section { padding:24px 18px; }
  .section-heading { align-items:flex-start; flex-direction:column; }
  .daily-panel { grid-template-columns:repeat(2,1fr); }
  .hourly-labels { grid-template-columns:repeat(4,1fr); }
  .hourly-labels span:nth-child(even) { display:none; }
  footer { flex-direction:column; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior:auto!important; animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; } }