:root {
  color-scheme: light;
  --ink: #17202d;
  --muted: #5d6876;
  --panel: rgba(255, 255, 255, .82);
  --line: rgba(23, 32, 45, .15);
  --shadow: 0 24px 70px rgba(23, 32, 45, .16);
  --a: #f8c85f;
  --b: #4cae9b;
  --c: #477e9f;
  --stage: linear-gradient(140deg, #f8d77b 0%, #efb07d 45%, #9ccddd 100%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #edf2f5;
}

button, input { font: inherit; }

.app-shell {
  min-height: 100vh;
  padding: 24px clamp(16px, 4vw, 56px) 52px;
  background: linear-gradient(180deg, rgba(255,255,255,.3), rgba(255,255,255,.78) 70%), var(--stage);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1380px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: conic-gradient(from 30deg, #f8c85f, #4cae9b, #477e9f, #f8c85f);
  box-shadow: inset 0 0 0 4px rgba(255,255,255,.72);
}

.city-form {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(150px, 220px) auto;
  gap: 10px;
  align-items: end;
}

.city-form label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.city-form input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: 0;
  color: var(--ink);
  background: rgba(255,255,255,.7);
  padding: 0 16px;
}

.city-form button {
  height: 42px;
  border: 0;
  border-radius: 999px;
  color: white;
  background: #17202d;
  padding: 0 20px;
  font-weight: 850;
  cursor: pointer;
}

.city-form button:disabled { opacity: .6; cursor: wait; }

.hero-copy {
  max-width: 1380px;
  margin: 38px auto 22px;
}

.eyebrow,
.card-label,
dt {
  margin: 0;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

h1 {
  max-width: 22ch;
  margin: 8px 0 0;
  font-size: clamp(2.8rem, 5.7vw, 6rem);
  line-height: .9;
  letter-spacing: 0;
}

.hero-copy p:last-child {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 700;
}

.compare-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(230px, .55fr) minmax(320px, 1fr);
  gap: 16px;
  max-width: 1380px;
  margin: 0 auto;
  align-items: stretch;
}

.city-card,
.difference-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.city-card {
  display: grid;
  grid-template-rows: auto minmax(340px, 42vh) auto auto;
  gap: 14px;
  min-height: 640px;
  padding: 18px;
}

.city-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.city-name {
  margin: 4px 0 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: .94;
}

.temp-pill {
  margin: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.75);
  padding: 10px 14px;
  font-size: 1.6rem;
  font-weight: 950;
}

.avatar-stage {
  position: relative;
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(255,255,255,.8), transparent 19%),
    linear-gradient(160deg, color-mix(in srgb, var(--a) 24%, transparent), color-mix(in srgb, var(--c) 22%, transparent)),
    rgba(255,255,255,.32);
  contain: paint;
}

.avatar-img {
  position: absolute;
  left: 50%;
  bottom: -7%;
  width: min(78%, 440px);
  height: 112%;
  object-fit: cover;
  object-position: center top;
  transform: translateX(-50%);
  filter: drop-shadow(0 22px 26px rgba(23,32,45,.18));
  z-index: 3;
}

.weather-layer {
  position: absolute;
  display: block;
  pointer-events: none;
}

.heat-layer {
  right: 15%;
  top: 24%;
  width: 42px;
  height: 150px;
  border: solid rgba(249, 115, 22, .6);
  border-width: 0 4px 0 0;
  border-radius: 50%;
  opacity: 0;
  animation: heatRise 1.35s ease-in-out infinite;
}

.rain-layer {
  inset: -20px 0 0 0;
  opacity: 0;
  background: repeating-linear-gradient(105deg, rgba(14,165,233,.62) 0 2px, transparent 2px 22px);
  animation: rainDrift 1s linear infinite;
}

.wind-layer {
  left: -130px;
  width: 130px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  opacity: .22;
  animation: windBlow var(--wind-speed, 2.2s) linear infinite;
}

.wind-a { top: 28%; }
.wind-b { top: 62%; animation-delay: -1s; }

.breath-layer {
  right: 19%;
  top: 36%;
  width: 92px;
  height: 34px;
  border-radius: 999px;
  background: rgba(255,255,255,.8);
  filter: blur(5px);
  opacity: 0;
}

.sweat-drop {
  width: 14px;
  height: 23px;
  border-radius: 999px 999px 999px 2px;
  background: #38bdf8;
  opacity: 0;
  transform: rotate(28deg);
  z-index: 5;
}

.sweat-a { left: 57%; top: 27%; }
.sweat-b { left: 38%; top: 37%; }
.sweat-c { left: 62%; top: 52%; }

.sticky-sheen {
  inset: 0;
  opacity: 0;
  background: radial-gradient(circle at 48% 42%, rgba(14,165,233,.2), transparent 18%),
    linear-gradient(112deg, transparent 0 38%, rgba(255,255,255,.3) 40% 42%, transparent 44%);
  mix-blend-mode: screen;
}

.dry-crack {
  left: 12%;
  bottom: 16%;
  width: 80px;
  height: 52px;
  border: solid rgba(180,83,9,.5);
  border-width: 2px 0 0 2px;
  opacity: 0;
  transform: rotate(-18deg);
}

.umbrella-mark {
  right: 11%;
  top: 14%;
  width: 150px;
  height: 76px;
  border-radius: 999px 999px 12px 12px;
  background: linear-gradient(90deg, #0ea5e9, #f8c85f);
  opacity: 0;
}

.body-verdict {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.08;
  font-weight: 900;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.stat-grid div,
.difference-bars div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.55);
  padding: 12px;
}

dd {
  margin: 7px 0 0;
  font-weight: 900;
  line-height: 1.12;
}

.difference-card {
  align-self: stretch;
  display: grid;
  align-content: center;
  padding: 18px;
}

.difference-card h2 {
  margin: 10px 0 18px;
  font-size: clamp(1.55rem, 2.4vw, 2.6rem);
  line-height: 1.04;
}

.difference-bars {
  display: grid;
  gap: 10px;
}

.difference-bars span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.difference-bars strong {
  display: block;
  margin-top: 7px;
  line-height: 1.1;
}

.city-card[data-reaction="hot"] .heat-layer,
.city-card[data-temp="hot"] .heat-layer {
  opacity: 1;
}

.city-card[data-humidity="wet"] .sweat-drop {
  opacity: 1;
  animation: sweatFall 1.55s ease-in infinite;
}

.city-card[data-humidity="wet"] .sweat-b { animation-delay: -.45s; }
.city-card[data-humidity="wet"] .sweat-c { animation-delay: -.9s; }
.city-card[data-humidity="wet"] .sticky-sheen { opacity: 1; }
.city-card[data-humidity="dry"] .dry-crack { opacity: 1; }

.city-card[data-family="rain"] .rain-layer,
.city-card[data-family="storm"] .rain-layer,
.city-card[data-family="rain"] .umbrella-mark,
.city-card[data-family="storm"] .umbrella-mark {
  opacity: 1;
}

.city-card[data-reaction="cold"] .breath-layer,
.city-card[data-temp="cold"] .breath-layer,
.city-card[data-temp="cool"] .breath-layer {
  opacity: 1;
}

.city-card[data-wind="medium"] .wind-layer { opacity: .5; }
.city-card[data-wind="fast"] .wind-layer { opacity: .9; }

.city-card[data-temp="hot"] .avatar-stage {
  background: radial-gradient(circle at 78% 18%, rgba(255,255,255,.88), transparent 18%),
    linear-gradient(160deg, rgba(248,200,95,.34), rgba(239,176,125,.34));
}

.city-card[data-temp="mild"] .avatar-stage {
  background: radial-gradient(circle at 78% 18%, rgba(255,255,255,.8), transparent 19%),
    linear-gradient(160deg, rgba(248,255,255,.34), rgba(76,174,155,.16));
}

.city-card[data-temp="cool"] .avatar-stage,
.city-card[data-temp="cold"] .avatar-stage {
  background: radial-gradient(circle at 78% 18%, rgba(255,255,255,.8), transparent 19%),
    linear-gradient(160deg, rgba(219,234,254,.5), rgba(71,126,159,.26));
}

@keyframes sweatFall {
  0% { opacity: 0; transform: translateY(-10px) rotate(28deg) scale(.75); }
  18% { opacity: 1; }
  100% { opacity: 0; transform: translateY(90px) rotate(28deg) scale(1.08); }
}

@keyframes heatRise {
  0%, 100% { transform: translateY(0) skewX(-3deg); }
  50% { transform: translateY(-18px) skewX(6deg); }
}

@keyframes windBlow {
  from { transform: translateX(0); }
  to { transform: translateX(820px); }
}

@keyframes rainDrift {
  from { background-position: 0 0; }
  to { background-position: 0 24px; }
}

@media (max-width: 1100px) {
  .compare-layout {
    grid-template-columns: 1fr;
  }

  .difference-card {
    order: 3;
    align-self: stretch;
  }

  .city-card {
    min-height: 0;
  }
}

@media (max-width: 700px) {
  .topbar,
  .city-form {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .topbar {
    display: grid;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .city-card {
    grid-template-rows: auto 430px auto auto;
    padding: 14px;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .avatar-img {
    width: min(92%, 390px);
  }
}