:root {
  --bg-color1: #0a0a0a; /* Very dark gray/black */
  --bg-color2: #1a1a1a; /* Darker gray */
  --bg-color3: #2a2a2a; /* Slightly lighter dark gray */
  --text-primary: #e0e0e0; /* Light gray for primary text */
  --text-secondary: #b0b0b0; /* Medium gray for secondary text */
  --text-muted: #808080; /* Darker gray for muted text */
  --accent-blue: #3b82f6;
  --accent-orange: #f97316;
  --accent-green: #10b981;
  --accent-yellow: #fbbf24;
  --accent-red: #ef4444;
  --aqi-1: #10b981;
  --aqi-2: #fbbf24;
  --aqi-3: #f97316;
  --aqi-4: #ef4444;
  --aqi-5: #8b5cf6;
  --border-color: #404040; /* Darker border color */
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3); /* Darker shadow */
  --border-radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-color1) 0%, #101010 100%); /* Darker gradient */
  color: var(--text-primary);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  padding: 0 15px;
}

hr {
  margin-bottom: 10px;
  border-color: var(--border-color);
}

.header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding: 15px 0;
  background: var(--bg-color1);
  border-bottom: 1px solid var(--border-color);
}

.header h2 {
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 700;
}

.weather-input {
  display: flex;
  gap: 10px;
}

#city_input {
  background-color: var(--bg-color2);
  border: 1px solid var(--border-color);
  padding: 10px 14px; /* Slightly reduced padding */
  font-size: 15px; /* Slightly reduced font size */
  border-radius: 25px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

#city_input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

#city_input::placeholder {
  color: var(--text-muted);
}

#searchBtn {
  border: none;
  font-size: 15px; /* Slightly reduced font size */
  padding: 10px 18px; /* Slightly reduced padding */
  border-radius: 25px;
  background: linear-gradient(135deg, var(--text-primary) 0%, #c0c0c0 100%);
  color: var(--bg-color1);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

#searchBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.4);
}

#locationBtn {
  border: none;
  font-size: 15px; /* Slightly reduced font size */
  padding: 10px 18px; /* Slightly reduced padding */
  border-radius: 25px;
  background: linear-gradient(135deg, var(--accent-orange) 0%, #ea580c 100%);
  cursor: pointer;
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

#locationBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px -3px rgba(249, 115, 22, 0.3);
}

.card {
  background: linear-gradient(135deg, var(--bg-color2) 0%, var(--bg-color3) 100%);
  padding: 10px; /* Reduced padding */
  border-radius: var(--border-radius);
  margin-bottom: 12px; /* Reduced margin */
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 10px -2px rgba(0, 0, 0, 0.4); /* Adjusted shadow */
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-2px); /* Slightly less pronounced lift */
  box-shadow: 0 10px 20px -4px rgba(0, 0, 0, 0.5); /* Adjusted hover shadow */
}

.card p {
  font-size: 13px; /* Slightly reduced font size */
  color: var(--text-secondary);
}

.card h2 {
  font-size: 28px; /* Slightly reduced font size */
  font-weight: 600;
  color: var(--text-primary);
}

.weather-data {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px; /* Reduced gap */
}

.weather-left {
  grid-column: span 1;
}

.current-weather {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.current-weather h2 {
  margin: 6px 0; /* Adjusted margin */
}

.current-weather p {
  color: var(--text-primary);
}

.card-footer p {
  font-size: 13px; /* Slightly reduced font size */
  margin-bottom: 10px; /* Reduced margin */
  color: var(--text-secondary);
}

.card-footer i {
  color: var(--accent-blue);
  margin-right: 6px; /* Reduced margin */
}

.forecast-item {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  place-items: center;
  margin-bottom: 12px; /* Reduced margin */
  padding: 10px; /* Reduced padding */
  background: var(--bg-color1);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.2); /* Adjusted shadow */
  transition: all 0.3s ease;
}

.forecast-item:hover {
  background: var(--bg-color2);
  transform: translateY(-1px); /* Subtle lift on hover */
  box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.3); /* Adjusted hover shadow */
}

.icon-wrapper {
  display: flex;
  align-items: center;
  gap: 6px; /* Reduced gap */
}

.weather-right {
  grid-column: span 3;
}

.weather-right h2 {
  margin-bottom: 8px; /* Reduced margin */
  color: var(--text-primary);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 12px; /* Reduced column gap */
}

.card:nth-of-type(1),
.card:nth-of-type(2) {
  grid-column: span 2;
}

.card-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px; /* Reduced margin */
}

.card-head p {
  color: var(--text-secondary);
  font-weight: 500;
}

.air-index {
  color: #000;
  padding: 5px 10px; /* Reduced padding */
  border-radius: 15px;
  font-weight: 600;
  font-size: 0.8rem; /* Slightly reduced font size */
}

.air-index.aqi-1 {
  background-color: var(--aqi-1);
}

.air-index.aqi-2 {
  background-color: var(--aqi-2);
}

.air-index.aqi-3 {
  background-color: var(--aqi-3);
}

.air-index.aqi-4 {
  background-color: var(--aqi-4);
}

.air-index.aqi-5 {
  background-color: var(--aqi-5);
}

.air-indices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  place-items: center;
  gap: 10px; /* Reduced gap */
}

.air-indices p {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px; /* Slightly reduced font size */
}

.air-indices h2 {
  color: var(--text-primary);
  font-size: 18px; /* Slightly reduced font size */
}

.air-indices svg {
  color: var(--accent-blue);
  grid-column: span 4;
  margin-bottom: 8px; /* Reduced margin */
  width: 28px; /* Adjusted icon size */
  height: 28px; /* Adjusted icon size */
}
.sun-card {
    background: linear-gradient(135deg, var(--bg-color2) 0%, var(--bg-color3) 100%);
  padding: 10px; /* Reduced padding */
  border-radius: var(--border-radius);
  margin-bottom: 12px; /* Reduced margin */
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 10px -2px rgba(0, 0, 0, 0.4); /* Adjusted shadow */
  transition: all 0.3s ease;

}
.sunrise-sunset {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px; /* Reduced gap */
}

.sunrise-sunset .item {
  display: flex;
  align-items: center;
  gap: 12px; /* Reduced gap */
}

.sunrise-sunset .item h2 {
  margin-top: 12px; /* Reduced margin */
  color: var(--text-primary);
  font-size: 20px; /* Slightly reduced font size */
}

.sunrise-sunset .item p {
  color: var(--text-secondary);
  font-size: 13px; /* Slightly reduced font size */
}

.sunrise-sunset .icon svg {
  color: var(--accent-yellow);
  width: 36px; /* Adjusted icon size */
  height: 36px; /* Adjusted icon size */
}

.card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-item svg {
  color: var(--accent-blue);
  font-size: 1.8rem; /* Slightly reduced font size for icons */
}

.card-item h2 {
  color: var(--text-primary);
  font-size: 20px; /* Slightly reduced font size */
}

.hourly-forecast {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  column-gap: 8px; /* Reduced column gap */
  margin-top: 16px; /* Reduced margin */
}
.metric-card {
   background: linear-gradient(135deg, var(--bg-color2) 0%, var(--bg-color3) 100%);
  padding: 10px; /* Reduced padding */
  border-radius: var(--border-radius);
  margin-bottom: 12px; /* Reduced margin */
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 10px -2px rgba(0, 0, 0, 0.4); /* Adjusted shadow */
  transition: all 0.3s ease;


}
.hourly-forecast .forecast-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;

  text-align: center;
  padding: 20px 16px;
  min-height: 160px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, var(--bg-color2) 0%, var(--bg-color3) 100%);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.hourly-forecast .forecast-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -4px rgba(0, 0, 0, 0.3);
}


.hourly-forecast .forecast-card p {
  color: var(--text-secondary);
  margin-bottom: 6px; /* Reduced margin */
  font-size: 12px; /* Slightly reduced font size */
}

.hourly-forecast .forecast-card p:last-child {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px; /* Slightly reduced font size */
}

/* responsive */
@media (max-width: 1100px) {
  .weather-data {
    grid-template-columns: repeat(3, 1fr);
  }

  .weather-right {
    grid-column: span 2;
  }

  .weather-right .highlights {
    grid-template-columns: repeat(3, 1fr);
  }

  .weather-right .highlights .card:nth-of-type(1) {
    grid-column: span 3;
  }

  .weather-right .hourly-forecast {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 1040px) {
  .weather-data {
    grid-template-columns: repeat(2, 1fr);
  }

  .weather-right {
    grid-column: span 1;
  }

  .weather-right .highlights {
    grid-template-columns: repeat(2, 1fr);
  }

  .weather-right .highlights .card:nth-of-type(1) {
    grid-column: span 2;
  }

  .weather-right .hourly-forecast {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 992px) {
  .weather-data .weather-right .highlights .card {
    grid-column: span 2;
  }

  .weather-data .weather-right .highlights .air-indices {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 850px) {
  .weather-data {
    grid-template-columns: 1fr;
  }

  .weather-data .weather-right .highlights .card:nth-of-type(3),
  .weather-data .weather-right .highlights .card:nth-of-type(4),
  .weather-data .weather-right .highlights .card:nth-of-type(5),
  .weather-data .weather-right .highlights .card:nth-of-type(6),
  .weather-data .weather-right .highlights .card:nth-of-type(7) {
    grid-column: span 1;
  }

  .weather-data .weather-right .highlights .air-indices {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 660px) {
  .header {
    flex-direction: column;
    gap: 12px; /* Adjusted gap */
  }

  .header h2 {
    margin-bottom: 6px; /* Adjusted margin */
  }

  .weather-input {
    flex-direction: column;
    width: 100%;
  }

  .weather-input #city_input,
  .weather-input #searchBtn,
  .weather-input #locationBtn {
    width: 100%;
    margin-bottom: 8px; /* Adjusted margin */
  }
}

@media (max-width: 580px) {
  .weather-data .weather-right .highlights .air-indices {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 520px) {
  .weather-data .weather-right .highlights .card:nth-of-type(3),
  .weather-data .weather-right .highlights .card:nth-of-type(4),
  .weather-data .weather-right .highlights .card:nth-of-type(5),
  .weather-data .weather-right .highlights .card:nth-of-type(6),
  .weather-data .weather-right .highlights .card:nth-of-type(7) {
    grid-column: span 2;
  }

  .weather-data .weather-right .highlights .air-indices {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .weather-data .weather-right .highlights .sunrise-sunset {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 450px) {
  .weather-data .weather-right .hourly-forecast {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 380px) {
  .weather-data .weather-right .highlights .air-indices {
    grid-template-columns: repeat(2, 1fr);
  }
}