.add-btn {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 18px;
  background: var(--wood-dark);
  color: var(--cream);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}

.add-btn:hover { background: var(--wood-mid); }

.room-block {
  margin-bottom: 20px;
  border: 1.5px solid var(--wood-pale);
  border-radius: 3px;
  overflow: hidden;
  animation: fadein 0.3s ease both;
}

.room-block-header {
  background: var(--wood-dark);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.room-block-name {
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  color: var(--cream);
}

.room-block-total {
  font-size: 12px;
  color: var(--wood-light);
  letter-spacing: 0.06em;
}

.room-block-body {
  padding: 14px 16px;
  background: var(--cream);
}

.section-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.section-row input {
  width: 100%;
}

.section-label {
  font-size: 10px;
  color: var(--wood-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.section-x {
  font-size: 12px;
  color: var(--wood-mid);
  flex-shrink: 0;
}

.section-result {
  font-size: 11px;
  color: var(--wood-mid);
  flex-shrink: 0;
  width: 60px;
  text-align: right;
}

.add-section-btn {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 12px;
  background: transparent;
  color: var(--wood-mid);
  border: 1.5px solid var(--wood-pale);
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  margin-top: 4px;
}

.add-section-btn:hover {
  background: var(--wood-pale);
  border-color: var(--wood-light);
}

.remove-btn {
  font-size: 14px;
  background: transparent;
  border: none;
  color: #f4b8a8;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0 4px;
  transition: color 0.2s;
}

.remove-btn:hover { color: var(--accent); }

.grand-total-box {
  background: var(--wood-dark);
  border-radius: 3px;
  padding: 20px 24px;
  border-left: 4px solid var(--wood-light);
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  animation: fadein 0.3s ease both;
}

.grand-total-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wood-light);
}

.grand-total-value {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  color: #fff;
}