:root {
  --bg-top: #0f172a;
  --bg-bottom: #1e293b;
  --panel: rgba(15, 23, 42, 0.72);
  --panel-strong: rgba(8, 15, 31, 0.84);
  --panel-soft: rgba(148, 163, 184, 0.12);
  --line: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-soft: #cbd5e1;
  --accent: #fb7185;
  --accent-strong: #f97316;
  --accent-cool: #38bdf8;
  --success: #86efac;
  --shadow: 0 30px 80px rgba(15, 23, 42, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(249, 115, 22, 0.18), transparent 28%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

.page-shell {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
  overflow: hidden;
}

.aurora {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.85;
  animation: drift 12s ease-in-out infinite alternate;
}

.aurora-one {
  top: 8%;
  left: 8%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.4), transparent 68%);
}

.aurora-two {
  right: 4%;
  bottom: 7%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(251, 113, 133, 0.32), transparent 68%);
  animation-duration: 15s;
}

.app-card {
  position: relative;
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-panel,
.weather-panel {
  padding: 38px;
}

.hero-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    linear-gradient(145deg, rgba(251, 113, 133, 0.16), rgba(56, 189, 248, 0.08));
  border-right: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.72rem;
  color: var(--success);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

h1 {
  font-size: clamp(3rem, 7vw, 4.8rem);
  line-height: 0.95;
}

.hero-copy {
  max-width: 28rem;
  margin: 18px 0 28px;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.7;
}

.search-bar {
  display: flex;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.55);
}

.search-bar input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-main);
  font-size: 1rem;
  font-family: inherit;
}

.search-bar input::placeholder {
  color: #94a3b8;
}

.search-bar button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
  box-shadow: 0 12px 25px rgba(249, 115, 22, 0.24);
}

.search-bar button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(249, 115, 22, 0.28);
}

.search-bar button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

.search-hint {
  margin-top: 14px;
  color: #94a3b8;
  font-size: 0.94rem;
}

.weather-panel {
  display: flex;
  align-items: stretch;
}

.status-card,
.weather-card {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
    var(--panel-strong);
  padding: 28px;
}

.status-label,
.weather-kicker {
  margin: 0 0 10px;
  color: var(--accent-cool);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.status-copy,
.weather-summary,
.meta-line {
  color: var(--text-soft);
  line-height: 1.65;
}

.weather-card {
  display: grid;
  gap: 22px;
  animation: riseIn 400ms ease;
}

.weather-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.weather-location h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 6px;
}

.weather-location p,
.meta-line,
.detail-label,
.detail-value {
  margin: 0;
}

.weather-temp {
  text-align: right;
}

.weather-temp strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.92;
}

.condition-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  padding: 12px 14px;
  border-radius: 18px;
  background: var(--panel-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.condition-chip img {
  width: 52px;
  height: 52px;
}

.condition-emoji {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  font-size: 2rem;
  line-height: 1;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.detail-tile {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.detail-label {
  color: #94a3b8;
  font-size: 0.85rem;
}

.detail-value {
  margin-top: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.18rem;
}

.error-card .status-label {
  color: #fda4af;
}

.loading-shimmer {
  position: relative;
  overflow: hidden;
}

.loading-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: shimmer 1.4s infinite;
}

.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;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(18px, -20px, 0) scale(1.08);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

@media (max-width: 860px) {
  .app-card {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .weather-top {
    flex-direction: column;
  }

  .weather-temp {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .page-shell {
    padding: 16px;
  }

  .hero-panel,
  .weather-panel {
    padding: 22px;
  }

  .search-bar {
    flex-direction: column;
  }

  .search-bar button {
    width: 100%;
  }

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