/* 继承自 loan_calculator.css 的部分样式 */
.page-header .subtitle { color: var(--muted-color, #666); margin-top: 6px; font-size: 14px; }
.page-header .header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.page-header .header-row h1 { margin: 0; }
.back-link { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--primary-color, #2563eb); background: rgba(37, 99, 235, 0.06); border: 1px solid rgba(37, 99, 235, 0.25); padding: 8px 12px; border-radius: 8px; line-height: 1; transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease; }
.back-link i { font-size: 16px; }
.back-link span { font-weight: 600; font-size: 14px; }
.back-link:hover { background: rgba(37, 99, 235, 0.12); border-color: rgba(37, 99, 235, 0.35); transform: translateY(-1px); }

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px 28px;
  align-items: end;
}

.form-field-full-width {
  grid-column: 1 / -1; /* 强制占据整行 */
}

.form-field { display: flex; flex-direction: column; }
.form-field label { font-weight: 600; margin-bottom: 8px; font-size: 15px; }
.form-field select { font-size: 16px; padding: 12px 14px; border: 1px solid var(--border-color, #e5e7eb); border-radius: 10px; }

/* 自定义文件上传按钮 */
.file-upload-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}
.file-upload-wrapper input[type="file"] {
  display: none; /* 隐藏原生控件 */
}
.file-upload-wrapper .btn {
  padding: 10px 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.file-upload-wrapper .file-name-display {
  font-size: 14px;
  color: var(--muted-color, #666);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.preview-grid {
  display: grid;
  gap: 10px;
  background-color: #f0f2f5;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color, #e5e7eb);
}

.preview-grid img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.preview-grid img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.muted {
  color: var(--muted-color, #666);
  font-size: 13px;
}