* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.55), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.12), transparent 20%),
    linear-gradient(135deg, #3d79d4 0%, #18b3d6 50%, #89d8ff 100%);
  color: #102a43;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.page-bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(255, 255, 255, 0.18), transparent 22%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.1), transparent 18%);
  pointer-events: none;
}

.app-shell {
  width: 100%;
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.weather-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: 0 32px 80px rgba(17, 47, 83, 0.18);
  backdrop-filter: blur(12px);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.75rem;
  color: #09639a;
}

.weather-card h1 {
  margin: 0;
  font-size: clamp(2rem, 2.4vw, 2.6rem);
  line-height: 1.05;
}

.weather-card p {
  margin: 0.8rem 0 0;
  line-height: 1.75;
  color: #334e68;
}

.search-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.8rem;
}

.form-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.primary {
  padding: 1rem 1.2rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #0266c8, #00a4d8);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(1, 70, 144, 0.18);
}

.loc-button {
  padding: 0.9rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(16, 42, 67, 0.08);
  background: rgba(255,255,255,0.9);
  color: #0f62fe;
  cursor: pointer;
  font-weight: 600;
}

.loc-button:hover {
  box-shadow: 0 8px 18px rgba(3, 78, 162, 0.08);
}

.search-form input {
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(16, 42, 67, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 1rem;
  color: #102a43;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.search-form input:focus {
  outline: none;
  border-color: #0f62fe;
  box-shadow: 0 0 0 4px rgba(15, 98, 254, 0.12);
}

.search-form button {
  padding: 1rem 1.2rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #0266c8, #00a4d8);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(1, 70, 144, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.search-form button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 20px 32px rgba(1, 70, 144, 0.22);
}

.search-form button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.feedback {
  margin-top: 1rem;
  min-height: 1.6rem;
  color: #d64545;
  font-size: 0.95rem;
}

.weather-results {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.weather-card-item {
  padding: 1.75rem;
  background: radial-gradient(circle at top left, rgba(223, 242, 255, 0.95), transparent 32%),
    #ffffff;
  border-radius: 24px;
  border: 1px solid rgba(16, 42, 67, 0.08);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.weather-card-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.result-label {
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: #4a6476;
}

.result-icon {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: right;
}

.result-icon img {
  width: 72px;
  height: 72px;
}

.result-description {
  display: block;
  max-width: 130px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #102a43;
}

.weather-icon {
  width: 72px;
  height: 72px;
  display: block;
}

.muted {
  color: #476b7d;
  font-size: 0.95rem;
}

.weather-card-item .temp {
  margin: 1rem 0 1.25rem;
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  color: #0f4c81;
}

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

.weather-metric {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(14, 77, 125, 0.05);
  border: 1px solid rgba(15, 98, 254, 0.08);
}

.result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.weather-icon {
  width: 72px;
  height: 72px;
}

@media (max-width: 640px) {
  .weather-card-item.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

.weather-metric span {
  display: block;
  color: #5e7a8a;
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
}

.weather-metric strong {
  display: block;
  font-size: 1.05rem;
  color: #102a43;
}

.notice {
  margin-top: 1.75rem;
  color: #334e68;
  font-size: 0.95rem;
}

.hidden {
  display: none !important;
}

.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;
}

@media (max-width: 640px) {
  body {
    padding: 1.25rem;
  }

  .card-top {
    flex-direction: column;
    align-items: stretch;
  }

  .result-top {
    flex-direction: column;
    align-items: flex-start;
  }

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