/**
 * Conversor de Fuso Horário - Estilos
 */

/* Timezone Converter Grid */
.timezone-converter {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .timezone-converter {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Timezone Panel */
.timezone-panel {
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.timezone-panel h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timezone-panel h3 svg {
  color: var(--primary-500);
}

/* Form Groups */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 0.5rem;
}

.form-group select,
.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  background: white;
  color: var(--gray-800);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

/* Time Display */
.time-display {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: var(--radius);
  margin-top: 1rem;
}

.time-display .time {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  font-family: var(--font-mono);
}

.time-display .date {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0.25rem;
}

.time-display .timezone-name {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.5rem;
}

/* Swap Button */
.swap-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-500);
  color: white;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, background-color 0.2s;
  align-self: center;
}

.swap-button:hover {
  background: var(--primary-600);
  transform: rotate(180deg);
}

@media (max-width: 768px) {
  .swap-button {
    margin: 0 auto;
    transform: rotate(90deg);
  }

  .swap-button:hover {
    transform: rotate(270deg);
  }
}

/* Difference Display */
.difference-display {
  text-align: center;
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
}

.difference-display .label {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.difference-display .value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-600);
  margin-top: 0.25rem;
}

/* Live Toggle */
.live-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.live-toggle input[type="checkbox"] {
  width: 40px;
  height: 22px;
  appearance: none;
  background: var(--gray-300);
  border-radius: 11px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s;
}

.live-toggle input[type="checkbox"]:checked {
  background: var(--primary-500);
}

.live-toggle input[type="checkbox"]::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
  box-shadow: var(--shadow-sm);
}

.live-toggle input[type="checkbox"]:checked::before {
  transform: translateX(18px);
}

.live-toggle label {
  font-size: 0.875rem;
  color: var(--gray-600);
  cursor: pointer;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
}

.live-indicator .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Popular Cities Section */
.popular-section {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.popular-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.popular-section h3 svg {
  color: var(--primary-500);
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.popular-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .popular-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.popular-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.popular-item:hover {
  border-color: var(--primary-500);
  background: var(--primary-50);
}

.popular-item .city {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.popular-item .time {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary-600);
  font-weight: 600;
}

/* World Clock Section */
.world-clock-section {
  margin-bottom: 2rem;
}

.world-clock-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.world-clock-section h3 svg {
  color: var(--primary-500);
}

.world-clock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 640px) {
  .world-clock-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .world-clock-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.world-clock-item {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.world-clock-item .city {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.world-clock-item .time {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
  font-family: var(--font-mono);
  margin: 0.5rem 0;
}

.world-clock-item .date {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.world-clock-item .offset {
  font-size: 0.75rem;
  color: var(--primary-600);
  margin-top: 0.25rem;
  font-weight: 500;
}

/* Instructions Grid */
.instructions-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
}

@media (min-width: 640px) {
  .instructions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .instructions-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.instruction-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.instruction-card .instruction-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary-100);
  color: var(--primary-600);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.instruction-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
}

.instruction-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.5;
}