:root {
  --bg-color: #ffffff;
  --container-bg: rgba(255, 255, 255, 0.95);
  --text-color: #1a1a1a;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  --today-bg: #ffffff;
  --today-text: #1a1a1a;
  --detail-bg: rgba(0, 0, 0, 0.02);
  --btn-bg: #ffffff;
  --btn-hover: #f5f5f5;
  --btn-text: #1a1a1a;
  --btn-outline: #e0e0e0;
  --temp-max: #1a1a1a;
  --temp-min: #666666;
  --error-bg: #fff5f5;
  --error-text: #e53e3e;
  --border-radius: 8px;
  --card-border-radius: 8px;
  --transition-speed: 0.2s;
  --icon-filter: none;
}

.dark-mode {
  --bg-color: #000000;
  --container-bg: rgba(0, 0, 0, 0.95);
  --text-color: #ffffff;
  --card-bg: #000000;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  --today-bg: #000000;
  --today-text: #ffffff;
  --detail-bg: rgba(255, 255, 255, 0.05);
  --btn-bg: #000000;
  --btn-hover: #1a1a1a;
  --btn-text: #ffffff;
  --btn-outline: #333333;
  --temp-max: #ffffff;
  --temp-min: #a0a0a0;
  --error-bg: #1a1a1a;
  --error-text: #ff8a8a;
  --icon-filter: invert(1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background: var(--bg-color);
  min-height: 100vh;
  padding: 20px;
  color: var(--text-color);
  transition: all var(--transition-speed) ease;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--container-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  padding: 40px;
  transition: all var(--transition-speed) ease;
  backdrop-filter: blur(10px);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.logo-link {
  text-decoration: none;
  color: var(--text-color);
  transition: all var(--transition-speed) ease;
  cursor: pointer;
}

.logo-link:hover {
  opacity: 0.7;
}

h1 {
  color: var(--text-color);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.5px;
}

.header-actions {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.search-container {
  position: relative;
  flex-grow: 1;
  max-width: 500px;
  height: 36px;
}

#search-input {
  width: 100%;
  height: 36px;
  padding: 0 20px;
  border: 1px solid var(--btn-outline);
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-speed);
  color: var(--text-color);
}

#search-input:focus {
  border-color: var(--text-color);
}

.suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--btn-outline);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  z-index: 100;
  display: none;
  max-height: 300px;
  overflow-y: auto;
  margin-top: 5px;
}

.suggestion-item {
  padding: 10px 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  color: var(--text-color);
  font-size: 14px;
}

.suggestion-item:hover {
  background-color: var(--detail-bg);
}

.btn {
  padding: 0 20px;
  height: 36px;
  border: 1px solid var(--btn-outline);
  border-radius: var(--border-radius);
  background-color: var(--btn-bg);
  color: var(--text-color);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  background-color: var(--btn-hover);
}

.location-icon,
.theme-icon {
  filter: brightness(0);
}

.dark-mode .location-icon,
.dark-mode .theme-icon {
  filter: brightness(0) invert(1);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--btn-outline);
  color: var(--text-color);
}

.btn-outline:hover {
  background-color: var(--btn-hover);
  color: var(--text-color);
}

.btn-active {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.btn-active .location-icon,
.btn-active .theme-icon {
  filter: brightness(0) invert(1);
}

.dark-mode .btn-active .location-icon,
.dark-mode .btn-active .theme-icon {
  filter: brightness(0);
}

.btn-active:hover {
  background-color: var(--btn-hover);
  color: var(--text-color);
  border-color: var(--btn-outline);
}

.btn-active:hover .location-icon,
.btn-active:hover .theme-icon {
  filter: brightness(0);
}

.dark-mode .btn-active:hover .location-icon,
.dark-mode .btn-active:hover .theme-icon {
  filter: brightness(0) invert(1);
}

.btn-small {
  height: 32px;
  padding: 0 16px;
  font-size: 13px;
}

.btn-icon {
  width: 36px;
  padding: 0;
}

.location-icon,
.theme-icon {
  width: 16px;
  height: 16px;
  transition: filter var(--transition-speed) ease;
}

.github-icon {
  filter: brightness(0);
  transition: filter var(--transition-speed) ease;
}

.dark-mode .github-icon {
  filter: brightness(0) invert(1);
}

.github-btn {
  transition: all var(--transition-speed) ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  width: 36px;
  height: 36px;
}

.github-btn:hover {
  background-color: var(--btn-hover);
}

.unit-toggle, .theme-toggle {
  display: flex;
  gap: 4px;
}

.today-overview {
  background: var(--today-bg);
  color: var(--today-text);
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 30px;
  border: 1px solid var(--btn-outline);
}

.location-date {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 15px;
}

.location h2 {
  font-size: 24px;
  margin-bottom: 6px;
  font-weight: 500;
}

.date {
  font-size: 14px;
  opacity: 0.8;
  padding: 6px 12px;
  border: 1px solid var(--btn-outline);
  border-radius: var(--border-radius);
}

.weather-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 25px;
  margin-bottom: 25px;
  position: relative;
  width: 100%;
}

.temp-container {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
}

.temperature {
  font-size: 56px;
  font-weight: 300;
  line-height: 1;
}

.feels-like {
  font-size: 14px;
  opacity: 0.8;
}

#weather-icon {
  width: 110px;
  height: 110px;
  filter: var(--icon-filter);
  transition: filter var(--transition-speed) ease;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.weather-icon-placeholder {
  width: 110px;
  height: 110px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  font-size: 18px;
  color: var(--today-text);
  opacity: 0.5;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.hidden {
  display: none;
}

.weather-description {
  font-size: 16px;
  text-transform: capitalize;
  font-weight: 400;
}

.wind-description {
  font-size: 14px;
  text-transform: capitalize;
  margin-top: 4px;
  opacity: 0.8;
}

.weather-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 15px;
}

.detail-item {
  background-color: var(--detail-bg);
  padding: 14px;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.2s ease;
  border: 1px solid var(--btn-outline);
}

.detail-label {
  font-size: 13px;
  margin-bottom: 4px;
  opacity: 0.8;
}

.detail-value {
  font-size: 15px;
  font-weight: 400;
}

.today-forecast {
  margin-top: 25px;
  border-top: 1px solid var(--btn-outline);
  padding-top: 25px;
}

.today-forecast h3 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--text-color);
}

.today-timeline {
  position: relative;
  padding: 20px 0;
}

.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--btn-outline);
  transform: translateY(-50%);
  z-index: 1;
}

.timeline-hours {
  position: relative;
  display: flex;
  justify-content: space-between;
  z-index: 2;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--btn-outline) transparent;
}

.timeline-hours::-webkit-scrollbar {
  height: 6px;
}

.timeline-hours::-webkit-scrollbar-track {
  background: transparent;
}

.timeline-hours::-webkit-scrollbar-thumb {
  background-color: var(--btn-outline);
  border-radius: 20px;
}

.timeline-hour {
  flex: 0 0 auto;
  width: 100px;
  background-color: var(--card-bg);
  border: 1px solid var(--btn-outline);
  border-radius: var(--border-radius);
  padding: 16px;
  text-align: center;
}

.timeline-hour.current {
  border-color: var(--text-color);
  background-color: var(--detail-bg);
}

.hour-time {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text-color);
}

.hour-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  filter: var(--icon-filter);
}

.hour-temp {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-color);
}

.hour-description {
  font-size: 12px;
  margin: 0;
  text-transform: capitalize;
  color: var(--text-color);
  opacity: 0.8;
  min-height: 28px;
  width: 100%;
  overflow: visible;
  white-space: normal;
  word-wrap: break-word;
  line-height: 1.3;
}

.forecast-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 25px;
  border: 1px solid var(--btn-outline);
}

.forecast-title {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  font-weight: 500;
}

.day-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.forecast-days {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.forecast-day {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 20px;
  border: 1px solid var(--btn-outline);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.forecast-date {
  font-weight: 500;
  color: var(--text-color);
  font-size: 15px;
}

.day-temps {
  display: flex;
  gap: 4px;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--border-radius);
  border: 1px solid var(--btn-outline);
  align-items: center;
}

.day-temps img {
  width: 24px;
  height: 24px;
  margin-right: 1px;
  vertical-align: text-bottom;
  filter: var(--icon-filter);
  transition: filter var(--transition-speed) ease;
}

.forecast-hours {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 15px;
}

.forecast-hour {
  text-align: left;
  padding: 12px;
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--btn-outline);
}

.hour-time {
  font-weight: 500;
  color: var(--text-color);
  font-size: 13px;
}

.hour-icon {
  width: 40px;
  height: 40px;
  margin: 0;
  filter: var(--icon-filter);
  transition: filter var(--transition-speed) ease;
}

.hour-temps {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  font-size: 13px;
}

.hour-temp {
  font-weight: 500;
}

.hour-temp-max {
  color: var(--temp-max);
}

.hour-temp-min {
  color: var(--temp-min);
}

.error-message {
  background-color: var(--error-bg);
  color: var(--error-text);
  padding: 14px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  text-align: left;
  display: none;
  border: 1px solid var(--error-text);
  font-size: 14px;
}

.search-error {
  background-color: var(--error-bg);
  color: var(--error-text);
  padding: 12px;
  border-radius: var(--border-radius);
  margin-top: 10px;
  text-align: left;
  display: none;
  border: 1px solid var(--error-text);
  font-size: 13px;
}

.loading {
  text-align: left;
  padding: 30px;
  font-size: 14px;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

.loading-text {
  font-size: 14px;
  color: var(--text-color);
  opacity: 0.8;
}

@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .today-overview {
    padding: 20px;
  }

  .weather-main {
    justify-content: flex-start;
    text-align: left;
    align-items: center;
    gap: 15px;
    padding-right: 140px;
  }

  .temperature {
    font-size: 48px;
  }

  #weather-icon {
    width: 110px;
    height: 110px;
    right: 0;
  }

  .weather-icon-placeholder {
    width: 120px;
    height: 120px;
    right: 0;
  }

  .forecast-hours {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
  }

  header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 20px;
  }

  .search-container {
    max-width: 100%;
  }

  .hour-icon {
    width: 36px;
    height: 36px;
  }

  .day-buttons {
    gap: 6px;
  }

  .day-buttons .btn {
    padding: 6px 10px;
    font-size: 13px;
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
  }

  .github-btn {
    height: 32px;
    width: 32px;
  }

  .github-icon {
    width: 14px;
    height: 14px;
  }

  .btn-icon {
    height: 32px;
    width: 32px;
  }

  .location-icon {
    width: 14px;
    height: 14px;
  }

  .forecast-container {
    padding: 15px;
  }

  .forecast-day {
    padding: 15px;
  }

  .forecast-hour {
    padding: 10px;
  }

  .day-temps img {
    width: 20px;
    height: 20px;
  }

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

  .timeline-hour {
    width: 90px;
    padding: 14px;
  }

  .hour-icon {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 12px;
  }

  .weather-main {
    gap: 10px;
    padding-right: 140px;
  }

  #weather-icon {
    width: 110px;
    height: 110px;
  }

  .weather-icon-placeholder {
    width: 120px;
    height: 120px;
  }

  h1 {
    font-size: 20px;
  }

  .location h2 {
    font-size: 20px;
  }

  .temperature {
    font-size: 42px;
  }

  .weather-description {
    font-size: 15px;
  }

  .detail-item {
    padding: 10px;
  }

  .detail-value {
    font-size: 14px;
  }

  .forecast-hours {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .forecast-hour {
    padding: 8px;
  }

  .hour-icon {
    width: 28px;
    height: 28px;
  }

  .hour-description {
    font-size: 10px;
    min-height: 20px;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hour-temps {
    font-size: 11px;
    gap: 6px;
  }

  .hour-time {
    font-size: 11px;
    margin-bottom: 4px;
  }

  .hour-temp {
    font-size: 12px;
  }

  .day-temps img {
    width: 20px;
    height: 20px;
  }

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

  .timeline-hour {
    width: 80px;
    padding: 12px;
  }

  .hour-icon {
    width: 28px;
    height: 28px;
    margin-bottom: 4px;
  }
}