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

body {
  font-family: 'Indie Flower', cursive;
  background: #fffde7;
  color: #3a2a2a;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

#app {
  width: 100%;
  max-width: 680px;
}

/* ---------- header ---------- */

.header {
  text-align: center;
  margin-bottom: 3rem;
}

h1 {
  font-size: 42px;
  font-weight: 400;
  color: #b33a2a;
  -webkit-text-stroke: 0.6px #b33a2a;
  text-shadow:
    1px 1px 0px rgba(179, 58, 42, 0.18),
    2px 1px 2px rgba(179, 58, 42, 0.10),
    -1px 0px 1px rgba(255, 220, 180, 0.3);
  letter-spacing: 0.5px;
  margin-bottom: 0.6rem;
}

.subtitle {
  font-size: 18px;
  color: #b37060;
  text-shadow: 0.5px 0.5px 1px rgba(179, 58, 42, 0.12);
}

/* ---------- clock cards ---------- */

.clock-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 1.25rem;
}

.clock-card {
  background: #fffdf0;
  border: 2px solid #e8d9b0;
  border-radius: 14px;
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.15s;
  user-select: none;
  text-align: center;
}

.clock-card:hover {
  border-color: #c9966a;
}

.clock-card.active {
  border: 2.5px solid #b33a2a;
  background: #fff8f0;
}

.clock-flag {
  font-size: 40px;
  margin-bottom: 8px;
  display: block;
}

.clock-city {
  font-size: 17px;
  color: #b33a2a;
  text-shadow: 0.5px 0.5px 0px rgba(179, 58, 42, 0.2);
  margin-bottom: 1px;
}

.clock-tz {
  font-size: 13px;
  color: #c9a080;
  margin-bottom: 8px;
}

.clock-time {
  font-size: 36px;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  color: #3a2a2a;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.clock-period {
  font-size: 16px;
  font-family: 'Nunito', sans-serif;
  color: #b37060;
  margin-left: 3px;
}

.clock-date {
  font-size: 14px;
  color: #c9a080;
  margin-top: 4px;
}

.active-badge {
  font-size: 13px;
  background: #f7e0da;
  color: #b33a2a;
  padding: 1px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-top: 8px;
}

/* ---------- controls ---------- */

.controls {
  background: #fdf5d0;
  border: 2px solid #e8d9b0;
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.control-label {
  font-size: 17px;
  color: #b37060;
  min-width: 42px;
}

input[type="date"] {
  flex: 1;
  font-size: 16px;
  font-family: 'Nunito', sans-serif;
  padding: 5px 10px;
  border-radius: 8px;
  border: 2px solid #e8d9b0;
  background: #fffdf0;
  color: #3a2a2a;
}

input[type="range"] {
  flex: 1;
  accent-color: #b33a2a;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  padding-left: 54px;
  margin-top: 4px;
}

.tick {
  font-size: 13px;
  color: #c9a080;
}

button {
  font-size: 16px;
  font-family: 'Indie Flower', cursive;
  padding: 5px 16px;
  border-radius: 8px;
  border: 2px solid #e8d9b0;
  background: #fffdf0;
  color: #b33a2a;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
}

button:hover {
  background: #f7e0da;
  border-color: #b33a2a;
}

/* ---------- responsive ---------- */

@media (max-width: 480px) {
  .clock-time { font-size: 26px; }
  .clock-grid { gap: 8px; }
  .controls { padding: 1rem; }
  .slider-ticks { padding-left: 0; }
}