.cd-wrap {
  max-width: 640px;
  margin: 2rem auto;
  padding: 1.5rem;
  border: 1px solid #e2e5ea;
  border-radius: 12px;
  background: #ffffff;
  font-family: inherit;
  box-sizing: border-box;
}

.cd-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cd-label {
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

.cd-input {
  padding: 0.6rem 0.8rem;
  font-size: 1rem;
  border: 1px solid #c9ced6;
  border-radius: 8px;
  width: 100%;
  box-sizing: border-box;
}

.cd-input:focus {
  outline: 2px solid #2271b1;
  outline-offset: 1px;
}

.cd-btn {
  padding: 0.65rem 1.1rem;
  font-size: 1rem;
  border: 1px solid #c9ced6;
  border-radius: 8px;
  background: #f6f7f7;
  cursor: pointer;
}

.cd-btn:hover {
  background: #eef0f2;
}

.cd-btn-primary {
  background: #2271b1;
  border-color: #2271b1;
  color: #fff;
  font-weight: 600;
  margin-top: 0.4rem;
}

.cd-btn-primary:hover {
  background: #135e96;
}

.cd-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.cd-presets-label {
  font-size: 0.9rem;
  color: #555;
}

.cd-btn-preset {
  font-size: 0.9rem;
  padding: 0.45rem 0.8rem;
}

.cd-msg {
  min-height: 1.4em;
  color: #b32d2e;
  font-size: 0.95rem;
  margin: 0.4rem 0 0;
}

.cd-display {
  margin-top: 1.5rem;
  text-align: center;
}

.cd-title {
  font-size: 1.5rem;
  margin: 0 0 1rem;
  word-wrap: break-word;
}

.cd-boxes {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.cd-box {
  background: #f6f7f7;
  border: 1px solid #e2e5ea;
  border-radius: 10px;
  padding: 0.9rem 0.6rem;
  min-width: 82px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cd-num {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.cd-unit {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
  margin-top: 0.3rem;
}