* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: Iran-yekan, B-nazanin;
}

@font-face {
  font-family: B-Nazanin;
  src: url(../fonts/B-NAZANIN.TTF);
}

@font-face {
  font-family: Iran-Yekan;
  src: url(../fonts/Qs_Iranyekan.ttf);
}

.background {
  position: fixed;
  top: 0;
  z-index: -1;
  filter: brightness(0.5);
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  width: 100%;
}

.home-bg {background-image: url('../img/pexels-craig-adderley-1563356.jpg')}

input::placeholder {
  color: #8d8c8c;
}

:root {
  --panel: rgba(12, 34, 39, 0.42);
  --panel-border: rgba(255, 255, 255, 0.16);
  --text-soft: rgba(255, 255, 255, 0.78);
}

.search-card {
  border-radius: 12px;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr 48px;
  overflow: hidden;
  border-radius: 12px;
}

.search-row input,
.search-row button {
  border: 0;
  outline: 0;
  min-height: 48px;
}

.search-row input {
  padding: 0 16px;
  color: #18343b;
  font-size: 1rem;
}

.search-row button {
  background: #3a646e;
  color: white;
  cursor: pointer;
}

.search-row button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.error-message {
  margin-top: 8px;
  color: #ffffff;
  font-weight: 700;
}

.weather-card {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.35), rgba(10, 40, 31, 0.72)),
    url("../img/pexels-craig-adderley-1563356.jpg") center/cover;
}

.card-overlay {
  padding: clamp(18px, 5vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-header,
.location,
.hero-weather,
.metric-grid,
.forecast-strip article,
.daily-forecast article {
  display: flex;
  align-items: center;
}

.card-header,
.hero-weather {
  justify-content: space-between;
}

.location {
  gap: 8px;
  font-weight: 800;
}

.date-line,
.feels-like {
  color: var(--text-soft);
}

.hero-weather h2 {
  font-size: clamp(4.5rem, 18vw, 7rem);
  line-height: 0.9;
  font-weight: 300;
  letter-spacing: -0.08em;
}

.condition {
  margin-top: 8px;
  font-size: 1.45rem;
  font-weight: 700;
  text-transform: capitalize;
}

.weather-icon-large {
  width: min(38vw, 180px);
  filter: drop-shadow(0 15px 24px rgba(0, 0, 0, 0.22));
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.metric-grid article {
  padding: 18px 12px;
  display: grid;
  gap: 4px;
  justify-items: center;
  text-align: center;
  border-right: 1px solid var(--panel-border);
}

.metric-grid article:last-child {
  border-right: 0;
}

.metric-grid span,
.forecast-strip span,
.daily-forecast span,
.daily-forecast small {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.forecast-strip,
.daily-forecast {
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: rgba(5, 28, 25, 0.46);
  backdrop-filter: blur(14px);
}

.forecast-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(62px, 1fr));
  gap: 4px;
  padding: 14px 10px;
  overflow-x: auto;
}

.forecast-strip article {
  flex-direction: column;
  gap: 7px;
  min-width: 58px;
}

.forecast-strip img,
.daily-forecast img {
  width: 40px;
  height: 40px;
}

.daily-forecast {
  padding: 18px;
}

.daily-forecast h3 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.daily-forecast article {
  display: grid;
  grid-template-columns: 1.2fr 42px 1fr auto;
  gap: 10px;
  padding: 8px 0;
  position: relative;
}

.daily-forecast article:not(:last-child)::after {
  content: '';
  display: block;
  height: 1px;
  background: #ddd;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
}

.daily-forecast strong {
  justify-self: end;
}

.loading-card {
  min-height: 180px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}

.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: 520px) {
  .app-shell {
    padding-inline: 10px;
  }

  .weather-card,
  .card-overlay {
    min-height: 660px;
  }

  .metric-grid article {
    padding: 14px 8px;
  }

  .daily-forecast {
    padding: 14px;
  }
}