/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

/* Header */
.header {
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  margin: 0 auto var(--space-8) auto;
  height: var(--space-16);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--container-max-width);
}

.header__title {
  background: var(--gradient-button);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  text-align: center;
}

/* Main */
.main {
  padding: var(--space-4) 0;
  min-height: calc(100vh - var(--space-16));
}

/* Search Components */
.search-section {
  margin-bottom: var(--space-12);
}

.search-form__group {
  display: flex;
  gap: var(--space-4);
  align-items: stretch;
}

.search-input {
  flex: 1;
  padding: var(--input-padding);
  background: var(--color-bg-secondary);
  border: none;
  border-radius: var(--input-radius);
  box-shadow: var(--input-shadow);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  height: 3rem;
}

.search-input:focus {
  outline: none;
  box-shadow: 
    var(--input-shadow),
    0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-button {
  padding: var(--space-4) var(--space-6);
  background: var(--button-bg);
  border: none;
  border-radius: var(--button-radius);
  box-shadow: var(--button-shadow);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  height: 3rem;
}

.search-button:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--button-shadow-hover);
  filter: brightness(1.1);
}

.search-button:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: var(--button-shadow);
  transition: all 100ms ease-out;
}

.search-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.search-button__icon {
  font-size: var(--font-size-lg);
}

/* Layout Grid */
.weather-layout {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .weather-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  text-align: center;
}

/* Weather Card */
.weather-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.weather-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-button);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
}

/* Current Weather */
.current-weather__location {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  text-align: center;
  font-weight: var(--font-weight-medium);
}

.current-weather__main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.current-weather__icon {
  font-size: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background: var(--gradient-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-button);
}

.current-weather__temp-group {
  text-align: center;
}

.current-weather__temp {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-interactive-primary);
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 4px rgba(99, 102, 241, 0.1);
}

.current-weather__condition {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

@media (min-width: 768px) {
  .current-weather__temp {
    font-size: var(--font-size-5xl);
  }
  .current-weather__icon {
    font-size: 5rem;
    width: 120px;
    height: 120px;
  }
}

.current-weather__details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.weather-detail {
  text-align: center;
  padding: var(--space-2);
}

.weather-detail__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  font-weight: var(--font-weight-medium);
}

.weather-detail__value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

/* Forecast */
.forecast__list {
  display: grid;
  gap: var(--space-4);
}

.forecast-item {
  background: var(--card-bg);
  border-radius: var(--button-radius);
  padding: var(--space-6);
  box-shadow: var(--card-shadow);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forecast-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition-base);
}

.forecast-item:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: var(--button-shadow-hover);
}

.forecast-item:focus {
  outline: none;
  box-shadow: 
    var(--button-shadow-hover),
    0 0 0 3px rgba(99, 102, 241, 0.1);
}

.forecast-item.active {
  box-shadow: var(--card-shadow);
  background: var(--button-bg);
  color: var(--color-text-inverse);
  flex-direction: column;
  align-items: stretch;
}

.forecast-item.active::before {
  background: rgba(255, 255, 255, 0.3);
}

.forecast-item.active .forecast-item__day,
.forecast-item.active .forecast-item__condition,
.forecast-item.active .forecast-item__high,
.forecast-item.active .forecast-item__low {
  color: var(--color-text-inverse);
}

.forecast-item__day {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  min-width: 100px;
  font-size: var(--font-size-base);
}

.forecast-item.active .forecast-item__day {
  font-size: var(--font-size-xl);
  text-align: center;
  margin-bottom: var(--space-3);
}

.forecast-item__icon {
  font-size: var(--font-size-2xl);
  margin: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--input-bg);
  border-radius: var(--radius-full);
  box-shadow: var(--input-shadow);
}

.forecast-item.active .forecast-item__icon {
  font-size: var(--font-size-4xl);
  width: 80px;
  height: 80px;
  margin: var(--space-4) auto;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.forecast-item__info {
  flex: 1;
  text-align: center;
}

.forecast-item__condition {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
  font-weight: var(--font-weight-medium);
}

.forecast-item.active .forecast-item__condition {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.forecast-item__temps {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  min-width: 100px;
}

.forecast-item__high {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.forecast-item__low {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.forecast-item.active .forecast-item__high {
  font-size: var(--font-size-2xl);
}

.forecast-item.active .forecast-item__low {
  font-size: var(--font-size-xl);
}

.forecast-item.active {
  padding: var(--space-6);
}

.forecast-item.active .forecast-item__day,
.forecast-item.active .forecast-item__info,
.forecast-item.active .forecast-item__temps {
  margin-bottom: var(--space-4);
}

.forecast-item__details {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-4);
  animation: slideDown var(--transition-base) ease-out;
}

.forecast-item.active .forecast-item__details {
  border-top-color: rgba(255, 255, 255, 0.3);
}

.forecast-detail-item {
  text-align: center;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.forecast-detail-item__label {
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-1);
  opacity: 0.8;
  font-weight: var(--font-weight-medium);
}

.forecast-detail-item__value {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

/* Loading State */
.loading {
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-secondary);
  background: var(--card-bg);
  border-radius: var(--button-radius);
  box-shadow: var(--card-shadow);
  animation: fadeIn var(--transition-slow) ease-out;
}

.loading__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--input-bg);
  border-top-color: var(--color-interactive-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-4);
  box-shadow: var(--input-shadow);
}

/* Error State */
.error {
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(145deg, #fee2e2, #fecaca);
  border-radius: var(--button-radius);
  box-shadow: var(--card-shadow);
  color: var(--color-status-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
  animation: fadeIn var(--transition-base) ease-out;
}

.error__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

/* Footer */
.footer {
  margin-top: var(--space-16);
  padding: var(--space-4) 0;
  background: var(--color-bg-soft);
  box-shadow: var(--shadow-card);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
}

.footer__text {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer__link {
  color: var(--color-interactive-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-interactive-primary-hover);
}

/* Weather Conditions */
.weather-condition-sunny {
  color: var(--color-sunny);
}

.weather-condition-cloudy {
  color: var(--color-cloudy);
}

.weather-condition-rainy {
  color: var(--color-rainy);
}

.weather-condition-stormy {
  color: var(--color-stormy);
}

/* Responsive */
@media (max-width: 640px) {
  .search-form__group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-button {
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    height: 2.5rem;
  }
  
  .search-input {
    height: 2.5rem;
  }

  .forecast-item:not(.active) {
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
    padding: var(--space-4);
  }
  
  .forecast-item__temps {
    justify-content: center;
  }
  
  .forecast-item__details {
    grid-template-columns: repeat(2, 1fr);
  }
}