body {
  background: #f3f4f6;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 24px;
  color: #111827;
}

/* Main App */
.app {
  max-width: 900px;
  margin: 0 auto;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 28px;
}

.header h1 {
  font-size: 28px;
  margin-bottom: 6px;
}

.header p {
  font-size: 16px;
  color: #6b7280;
}

/* Dropdown */
.search-section {
  max-width: 70%;
  margin: 0 auto 28px;
}

select {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  border: 2px solid #d1d5db;
  border-radius: 10px;
  background: white;
}

/* Cards Grid */
.clock-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* Clock Card */
.clock-card {
  position: relative;
  padding: 22px;
  border-radius: 20px;
  min-height: 160px;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
}

/* Card colors */
.clock-card:nth-child(4n + 1) {
  background: #f7e4b5;
}
.clock-card:nth-child(4n + 2) {
  background: #d7eef7;
}
.clock-card:nth-child(4n + 3) {
  background: #ddd4ff;
}
.clock-card:nth-child(4n + 4) {
  background: #d8f3dc;
}

/* Remove button */
.remove-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
  color: #4b5563;
}

/* City Name */
.clock-card h2 {
  margin: 0;
  font-size: 24px;
}

/* Country */
.country {
  margin-top: 4px;
  color: #4b5563;
  font-size: 15px;
}

/* Time */
.time {
  font-size: 42px;
  font-weight: bold;
  margin: 22px 0 8px;
}

/* Date */
.date {
  font-size: 15px;
  color: #374151;
}

/* Time label */
.time-period {
  display: inline-block;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.5);
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 14px;
  font-weight: bold;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 28px;
  color: #6b7280;
}