/* sRGB fallback tokens for older browsers */
:root {
  --green-900: #0d542b;

  --white: #ffffff;
  --gray-50: #f3f3f5;
  --gray-600: #4a5565;

  --shadow: rgba(0, 0, 0, 0.18);

  --amber-200: #fee685;
  --amber-400: #ffb900;
  --amber-500: #fe9a00;
  --amber-600: #e17100;

  --amber-400-hover: #fe9a00;
  --amber-500-hover: #e17100;
  --amber-600-hover: #c55f00;
}

/* Upgrade tokens to OKLCH where supported */
@supports (color: oklch(50% 0.1 200)) {
  :root {
    --amber-200: oklch(92.4% 0.12 95.746);

    --amber-400: oklch(82.8% 0.189 84.429);
    --amber-500: oklch(76.9% 0.188 70.08);
    --amber-600: oklch(66.6% 0.179 58.318);

    --amber-400-hover: oklch(76.8% 0.189 84.429);
    --amber-500-hover: oklch(70.9% 0.188 70.08);
    --amber-600-hover: oklch(60.6% 0.179 58.318);

    --gray-600: oklch(44.615% 0.02988 257.711);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--green-900);
  font-family: "Roboto", sans-serif;
}

a {
  color: var(--amber-600);
}

a:hover {
  text-decoration: underline;
}

h1 {
  color: var(--green-900);
  font-weight: 700;
  font-size: 45px;
  text-shadow: 0 2px 4px var(--shadow);
}

p {
  line-height: 1.5;
  margin: 5px 0;
}

.weather-app-container {
  background-color: var(--white);
  padding: 20px;
  border-radius: 15px;
  margin: 24px auto;
  max-width: 600px;
  box-shadow: 0 20px 20px var(--shadow);
  width: calc(100% - 32px);
}

.search-form {
  margin: 20px 0px 8px;
  display: flex;
  justify-content: center;
  gap: 8px;
  border-bottom: 2px solid var(--gray-50);
  padding-bottom: 30px;
}

.search-form-input {
  background-color: var(--gray-50);
  border: 2px solid var(--amber-200);
  border-radius: 14px;
  line-height: 1.5;
  padding: 10px 14px;
  width: min(420px, 70%);
  box-shadow: 0 2px 4px var(--shadow);
  font-size: 14px;
}

.search-form-input:focus-visible,
.search-form-button:focus-visible {
  outline: 1px solid var(--amber-200);
  outline-offset: 1px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.search-form-button {
  -webkit-appearance: none;
  appearance: none;

  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.35),
      rgba(255, 255, 255, 0) 55%
    ),
    linear-gradient(
      135deg,
      var(--amber-400) 0%,
      var(--amber-500) 55%,
      var(--amber-600) 100%
    );

  color: var(--white);
  font-weight: 700;
  line-height: 1.5;
  border: 0;
  padding: 13px 26px;
  border-radius: 14px;
  cursor: pointer;

  box-shadow: 0 2px 4px var(--shadow);
  transition: transform 120ms ease, box-shadow 120ms ease-in-out,
    filter 120ms ease-in-out;
  margin-left: 0;
}

.search-form-button:hover {
  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.25),
      rgba(255, 255, 255, 0) 55%
    ),
    linear-gradient(
      135deg,
      var(--amber-400-hover) 0%,
      var(--amber-500-hover) 55%,
      var(--amber-600-hover) 100%
    );
  transform: translateY(-1px);
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.22);
}

.search-form-button:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px var(--shadow);
}

.weather-app-data {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.date-time-condition {
  color: var(--gray-600);
}

.condition {
  font-weight: 500;
  font-style: italic;
}

.humidity {
  color: var(--amber-600);
}

.wind-speed {
  color: var(--green-900);
}

.humidity-value,
.wind-value {
  font-weight: 600;
}

.current-icon-temp-unit {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: var(--green-900);
  margin-top: 10px;
  text-shadow: 0 2px 4px var(--shadow);
}

.weather-icon {
  width: clamp(90px, 14vw, 125px);
  height: clamp(90px, 14vw, 125px);
  line-height: 1;
  transform: translateX(0);
  filter: drop-shadow(0 0px 1px rgba(0, 0, 0, 0.18))
    drop-shadow(0 2px 3px rgba(0, 0, 0, 0.12));
}

.current-temp {
  display: flex;
  align-items: flex-start;
  line-height: 1;
}

.current-temperature {
  font-size: 84px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.temperature-unit {
  font-size: 26px;
  font-weight: 700;
  margin-left: 6px;
  position: relative;
  top: 10px;
}

.forecast:empty {
  display: none;
}

.forecast {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 34px;
}

.forecast-day {
  border: 1px solid var(--gray-50);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
  box-shadow: 0 2px 4px var(--shadow);

  display: grid;
  gap: 4px;
  justify-items: center;
}

.forecast-date {
  line-height: 1;
  margin: 0;
  font-weight: 700;
  color: var(--green-900);
}

.forecast-icon {
  width: clamp(34px, 4vw, 42px);
  height: clamp(34px, 4vw, 42px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.forecast-icon-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.12));
}

.forecast-temps {
  color: var(--gray-600);
}

.forecast-high {
  color: var(--green-900);
  font-weight: 700;
}

.forecast-low {
  opacity: 0.75;
  margin-left: 6px;
}

footer {
  text-align: center;
  color: var(--gray-600);
  font-size: 13px;
  margin-top: 30px;
  border-top: 2px solid var(--gray-50);
  padding-top: 17px;
}

@media (max-width: 700px) {
  .forecast {
    grid-template-columns: repeat(2, minmax(120px, 160px));
    justify-content: center;
  }

  .forecast-day:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    width: 160px;
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .weather-app-data {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .weather-app-data > div,
  .current-icon-temp-unit {
    width: 100%;
  }

  .current-icon-temp-unit {
    justify-content: center;
  }

  .current-temp {
    justify-content: center;
  }

  .weather-icon {
    transform: translateX(0);
  }
}

@media (max-width: 420px) {
  .search-form {
    flex-direction: column;
    align-items: stretch;
  }

  .search-form-input,
  .search-form-button {
    width: 100%;
  }
}

@media (max-width: 400px) {
  .forecast {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .forecast-day:last-child {
    grid-column: auto;
    justify-self: stretch;
    width: auto;
    max-width: none;
  }
}