:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-hover: rgba(255, 255, 255, 0.11);
  --text: #f3f6fc;
  --muted: rgba(243, 246, 252, 0.62);
  --tiny: rgba(243, 246, 252, 0.42);
  --accent: #6ea8fe;
  --accent-2: #b794f6;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --blur: blur(22px) saturate(150%);
}

[data-theme="light"] {
  --bg: #dce8fb;
  --card: rgba(255, 255, 255, 0.55);
  --card-border: rgba(255, 255, 255, 0.7);
  --card-hover: rgba(255, 255, 255, 0.72);
  --text: #0e1726;
  --muted: rgba(14, 23, 38, 0.62);
  --tiny: rgba(14, 23, 38, 0.42);
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --shadow: 0 8px 40px rgba(40, 70, 130, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 1.2s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Sky / animated backdrop ---------- */
.sky { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.sky-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, #1a2b50 0%, #0b1220 60%, #060912 100%);
  transition: background 1.5s ease;
}
.celestial {
  position: absolute; width: 160px; height: 160px; border-radius: 50%;
  top: 8%; right: 12%; filter: blur(2px);
  background: radial-gradient(circle, #fff7d6 0%, #ffd86b 45%, rgba(255,200,80,0) 72%);
  box-shadow: 0 0 120px 50px rgba(255, 210, 110, 0.35);
  transition: all 1.5s ease; opacity: 0.9;
}
.stars { position: absolute; inset: 0; opacity: 0; transition: opacity 2s ease; }
.star {
  position: absolute; width: 2px; height: 2px; background: #fff; border-radius: 50%;
  animation: twinkle var(--dur, 4s) ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: 0.15; } to { opacity: 0.95; } }

.clouds { position: absolute; inset: 0; pointer-events: none; }
.cloud {
  position: absolute;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.9), rgba(255,255,255,0) 70%);
  border-radius: 50%; filter: blur(8px);
  animation: drift linear infinite;
}
@keyframes drift {
  from { transform: translateX(-30vw); }
  to { transform: translateX(130vw); }
}
.precip { position: absolute; inset: 0; pointer-events: none; }

/* ---------- Layout ---------- */
.app {
  max-width: 1180px; margin: 0 auto; padding: 22px 20px 60px;
  position: relative;
}

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 20px; }
.brand-mark { font-size: 24px; }
.brand-name { letter-spacing: 0.5px; }

.search {
  position: relative; flex: 1; min-width: 240px;
  display: flex; align-items: center;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 0 8px 0 14px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
}
.search-icon { width: 18px; height: 18px; opacity: 0.6; flex-shrink: 0; }
.search input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 15px; padding: 13px 10px;
}
.search input::placeholder { color: var(--muted); }

.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; cursor: pointer; color: var(--text);
  transition: background 0.2s, transform 0.1s;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.icon-btn:hover { background: var(--card-hover); }
.icon-btn:active { transform: scale(0.93); }
.icon-btn svg, .search-icon { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.controls { display: flex; align-items: center; gap: 10px; }
.unit-toggle {
  display: flex; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; overflow: hidden; backdrop-filter: var(--blur);
}
.unit-toggle button {
  border: none; background: none; color: var(--muted); cursor: pointer;
  padding: 9px 14px; font-size: 14px; font-weight: 600; transition: all 0.2s;
}
.unit-toggle button.active { background: var(--accent); color: #fff; }

/* suggestions */
.suggestions {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 50;
  background: var(--bg); border: 1px solid var(--card-border);
  border-radius: 14px; overflow: hidden; box-shadow: var(--shadow);
  display: none;
}
.suggestions.open { display: block; }
.sugg-item {
  padding: 12px 16px; cursor: pointer; display: flex; justify-content: space-between;
  gap: 10px; transition: background 0.15s; font-size: 14px;
}
.sugg-item:hover, .sugg-item.active { background: var(--card-hover); }
.sugg-item .sub { color: var(--muted); font-size: 12px; }

/* NWS alerts */
.alerts { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.alerts:empty { display: none; }
.alert-card {
  border-radius: 16px; padding: 13px 16px; border: 1px solid; cursor: pointer;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--shadow);
  animation: rise 0.4s ease both;
}
.alert-card.extreme { background: rgba(220, 38, 38, 0.22); border-color: #ef4444; }
.alert-card.severe { background: rgba(249, 115, 22, 0.18); border-color: #fb923c; }
.alert-card.moderate { background: rgba(250, 204, 21, 0.15); border-color: #facc15; }
.alert-card.minor { background: rgba(110, 168, 254, 0.15); border-color: var(--accent); }
.alert-head { display: flex; align-items: center; gap: 12px; }
.alert-ico { font-size: 24px; flex-shrink: 0; }
.alert-headtext { flex: 1; min-width: 0; }
.alert-event { font-weight: 700; font-size: 15px; }
.alert-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.alert-chevron { transition: transform 0.2s; opacity: 0.6; flex-shrink: 0; }
.alert-card.open .alert-chevron { transform: rotate(180deg); }
.alert-body {
  display: none; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--card-border);
  font-size: 13px; line-height: 1.55; white-space: pre-wrap; max-height: 280px; overflow-y: auto;
}
.alert-card.open .alert-body { display: block; }
.alert-card.pulse { animation: rise 0.4s ease both, alertPulse 2.2s ease-in-out infinite; }
@keyframes alertPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.45); }
  50% { box-shadow: 0 0 0 7px rgba(239, 68, 68, 0); }
}

/* favorites */
.favorites { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.fav-chip {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 30px;
  cursor: pointer; font-size: 13px; backdrop-filter: var(--blur);
  transition: background 0.2s;
}
.fav-chip:hover { background: var(--card-hover); }
.fav-chip .temp { font-weight: 700; }
.fav-chip .x { opacity: 0.4; padding-left: 2px; }
.fav-chip .x:hover { opacity: 1; }

/* status */
.status { text-align: center; padding: 60px 20px; color: var(--muted); font-size: 15px; }
.spinner {
  width: 38px; height: 38px; border: 3px solid var(--card-border);
  border-top-color: var(--accent); border-radius: 50%;
  margin: 0 auto 16px; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Grid of cards ---------- */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 22px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  animation: rise 0.5s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.card-title { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 16px; font-weight: 600; }

.hero { grid-column: span 2; }
.details { grid-column: span 2; }
.hourly { grid-column: span 4; }
.chartcard { grid-column: span 2; }
.daily { grid-column: span 2; }
.aqi { grid-column: span 1; }
.pollen { grid-column: span 1; }
.activity { grid-column: span 2; }
.sun { grid-column: span 1; }
.radarcard { grid-column: span 3; }

/* hero */
.hero-top { display: flex; justify-content: space-between; align-items: flex-start; }
.hero-place h1 { font-size: 26px; font-weight: 700; line-height: 1.1; }
.fav-btn {
  background: none; border: none; cursor: pointer; color: var(--muted);
  width: 40px; height: 40px; border-radius: 50%; transition: all 0.2s; flex-shrink: 0;
}
.fav-btn svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }
.fav-btn:hover { background: var(--card-hover); }
.fav-btn.saved svg { fill: #ff5d7a; stroke: #ff5d7a; }

.hero-main { display: flex; align-items: center; gap: 18px; margin-top: 18px; flex-wrap: wrap; }
.hero-icon { font-size: 76px; line-height: 1; filter: drop-shadow(0 6px 16px rgba(0,0,0,0.3)); animation: float 5s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero-temp { font-size: 88px; font-weight: 200; line-height: 0.9; letter-spacing: -3px; }
.hero-temp .deg { font-weight: 200; }
.hero-cond { flex: 1; min-width: 120px; }
.cond-text { font-size: 19px; font-weight: 600; }
.hilo { margin-top: 4px; color: var(--muted); font-size: 14px; }

.hero-alert {
  margin-top: 16px; padding: 12px 16px; border-radius: 14px;
  background: rgba(255, 165, 0, 0.16); border: 1px solid rgba(255, 165, 0, 0.4);
  font-size: 13px; display: flex; gap: 8px; align-items: center;
}

/* metrics */
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric {
  background: rgba(255,255,255,0.04); border-radius: 14px; padding: 14px;
}
[data-theme="light"] .metric { background: rgba(255,255,255,0.4); }
.metric .m-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.metric .m-val { font-size: 22px; font-weight: 600; margin-top: 6px; }
.metric .m-sub { font-size: 12px; color: var(--muted); }
.m-icon { font-size: 14px; }
.compass { display: inline-block; transition: transform 0.4s ease; }

/* hourly */
.hourly-scroll { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.hourly-scroll::-webkit-scrollbar { height: 6px; }
.hourly-scroll::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 6px; }
.hour {
  flex: 0 0 auto; width: 76px; text-align: center; padding: 14px 8px;
  background: rgba(255,255,255,0.04); border-radius: 16px; scroll-snap-align: start;
}
[data-theme="light"] .hour { background: rgba(255,255,255,0.4); }
.hour .h-time { font-size: 12px; color: var(--muted); }
.hour .h-icon { font-size: 26px; margin: 8px 0; }
.hour .h-temp { font-size: 16px; font-weight: 600; }
.hour .h-pop { font-size: 11px; color: var(--accent); margin-top: 4px; min-height: 14px; }

/* daily */
.daily-list { display: flex; flex-direction: column; gap: 4px; }
.day-row {
  display: grid; grid-template-columns: 1fr auto 1.6fr auto; align-items: center;
  gap: 12px; padding: 10px 6px; border-radius: 12px; transition: background 0.2s;
}
.day-row:hover { background: var(--card-hover); }
.day-name { font-weight: 600; font-size: 14px; }
.day-icon { font-size: 22px; }
.day-bar { height: 6px; border-radius: 6px; background: var(--card-border); position: relative; overflow: hidden; }
.day-bar i { position: absolute; height: 100%; border-radius: 6px; background: linear-gradient(90deg, #6ea8fe, #ffb86b, #ff6b6b); }
.day-temps { font-size: 14px; white-space: nowrap; }
.day-temps .lo { color: var(--muted); }

.chart-wrap { position: relative; height: 230px; width: 100%; }
.chart-wrap canvas { position: absolute; inset: 0; }

/* aqi */
.aqi-main { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.aqi-dial {
  width: 92px; height: 92px; border-radius: 50%; display: grid; place-content: center;
  text-align: center; flex-shrink: 0; font-weight: 700; color: #fff;
  background: conic-gradient(var(--aqi-color, #4ade80) var(--aqi-pct, 0%), rgba(255,255,255,0.08) 0);
  position: relative;
}
.aqi-dial::before { content:""; position: absolute; inset: 8px; border-radius: 50%; background: var(--bg); }
.aqi-dial span { position: relative; font-size: 26px; }
.aqi-dial small { position: relative; font-size: 9px; opacity: 0.7; display: block; }
.aqi-label { font-size: 17px; font-weight: 700; }
.pollutants { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.poll { display: flex; justify-content: space-between; font-size: 12px; padding: 6px 0; border-bottom: 1px solid var(--card-border); }
.poll b { font-weight: 600; }

/* pollen */
.pollen-main { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.pollen-badge {
  width: 64px; height: 64px; border-radius: 18px; flex-shrink: 0;
  display: grid; place-content: center; font-size: 26px; font-weight: 800; color: #fff;
  background: var(--pollen-color, #4ade80);
}
.pollen-label { font-size: 16px; font-weight: 700; }
.pollen-list { display: flex; flex-direction: column; gap: 7px; }
.pollen-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; font-size: 13px; }
.pollen-row .bar { grid-column: 1 / -1; height: 5px; border-radius: 5px; background: var(--card-border); overflow: hidden; }
.pollen-row .bar i { display: block; height: 100%; border-radius: 5px; }
.pollen-empty { color: var(--muted); font-size: 13px; line-height: 1.5; }
.pollen-row.two { grid-template-columns: 1fr auto; }
.pollen-sub { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin-bottom: 2px; }
.pollen-trend { display: flex; justify-content: space-between; text-align: center; gap: 8px; margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--card-border); }
.pollen-trend > div { flex: 1; }
.pollen-trend b { display: block; font-size: 16px; margin-top: 2px; }

/* activity */
.activity-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.act {
  background: rgba(255,255,255,0.04); border-radius: 16px; padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
[data-theme="light"] .act { background: rgba(255,255,255,0.4); }
.act-top { display: flex; align-items: center; gap: 10px; }
.act-icon { font-size: 24px; }
.act-name { font-weight: 600; font-size: 14px; }
.act-score { margin-left: auto; font-weight: 700; font-size: 15px; }
.act-bar { height: 7px; border-radius: 7px; background: var(--card-border); overflow: hidden; }
.act-bar i { display: block; height: 100%; border-radius: 7px; transition: width 0.6s ease; }
.act-verdict { font-size: 12px; }

/* radar layer toggle */
.radar-layers { float: right; display: inline-flex; gap: 4px; }
.radar-layers button {
  border: 1px solid var(--card-border); background: var(--card); color: var(--muted);
  border-radius: 9px; padding: 4px 9px; font-size: 11px; cursor: pointer; font-weight: 600;
  text-transform: none; letter-spacing: 0;
}
.radar-layers button.active { background: var(--accent); color: #fff; border-color: transparent; }

/* sun */
.sun-arc { position: relative; height: 110px; margin: 0 auto 10px; }
.sun-arc svg { width: 100%; height: 100%; overflow: visible; }
#sunPath { stroke: var(--card-border); stroke-width: 2; stroke-dasharray: 4 5; }
#sunFill { stroke: url(#sunGrad); stroke-width: 3; }
.sun-dot { position: absolute; font-size: 22px; transform: translate(-50%, -50%); filter: drop-shadow(0 0 10px gold); }
.sun-times { display: flex; justify-content: space-between; text-align: center; font-size: 13px; }
.sun-times .dl { text-align: center; }

/* radar */
#map { height: 320px; border-radius: 16px; overflow: hidden; z-index: 0; }
.radar-controls { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.radar-controls input[type=range] { flex: 1; accent-color: var(--accent); }
.leaflet-container { background: #0b1220; font-family: inherit; }

/* misc */
.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.foot { text-align: center; margin-top: 30px; font-size: 12px; color: var(--tiny); }
.foot a { color: var(--muted); }

/* responsive */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero, .details, .hourly, .chartcard, .daily, .radarcard, .activity { grid-column: span 2; }
  .aqi, .pollen, .sun { grid-column: span 1; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .hero, .details, .hourly, .chartcard, .daily, .radarcard, .aqi, .pollen, .activity, .sun { grid-column: span 1; }
  .hero-temp { font-size: 70px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .activity-list { grid-template-columns: 1fr; }
  .topbar { gap: 10px; }
  .brand-name { display: none; }
}