/* Vehicle Tools 计算器样式
   依赖 CMS 设计令牌与 fv-pc.css / fv-mobile.css，色值一律取自变量 */

.vt-section {
  padding-top: 72px;
}

.vt-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.vt-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.vt-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vt-field > label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--lr-text-secondary);
}

.vt-field input,
.vt-field select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--lr-border-strong);
  border-radius: 4px;
  background: var(--lr-bg-sunken);
  color: var(--lr-text);
  font-size: 15px;
}

.vt-field input:focus-visible,
.vt-field select:focus-visible {
  outline: 2px solid var(--lr-focus);
  outline-offset: 2px;
}

.vt-checkbox > label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 400;
  color: var(--lr-text);
}

.vt-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--lr-accent);
}

.vt-result-panel {
  min-height: 320px;
}

.vt-result-empty,
.vt-error {
  font-size: 15px;
  line-height: 1.7;
  color: var(--lr-text-muted);
}

.vt-error {
  color: var(--lr-danger);
}

.vt-result-head {
  margin-bottom: 24px;
}

.vt-result-label {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lr-text-muted);
}

.vt-result-number {
  display: block;
  margin-top: 8px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  font-weight: 800;
  color: var(--lr-accent);
}

.vt-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.vt-result-item {
  padding: 16px;
  border: 1px solid var(--lr-border);
  border-radius: 4px;
}

.vt-result-item span {
  display: block;
  font-size: 12px;
  color: var(--lr-text-muted);
}

.vt-result-item strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
  color: var(--lr-text);
}

.vt-subtitle {
  margin: 28px 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--lr-text);
}

.vt-breakdown {
  margin: 0;
  padding: 0;
  list-style: none;
}

.vt-breakdown li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--lr-border);
  font-size: 14px;
  color: var(--lr-text-secondary);
}

.vt-breakdown li strong {
  color: var(--lr-text);
}

.vt-tips {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lr-text-secondary);
}

@media (max-width: 900px) {
  .vt-layout {
    grid-template-columns: 1fr;
  }

  .vt-section {
    padding-top: 40px;
  }

  .vt-result-grid {
    grid-template-columns: 1fr;
  }
}