components/resume/
├── index.ts                    # Re-exports all templates
├── resume-single-column.tsx    # Single column template
└── resume-two-column.tsx       # Two column template

interface TemplateSettings {
  template: 'swiss-single' | 'swiss-two-column';
  pageSize: 'A4' | 'LETTER';
  marginTop: number;    // 5-25mm
  marginBottom: number;
  marginLeft: number;
  marginRight: number;
  sectionSpacing: 1-5;  // Inter-section gap
  itemSpacing: 1-5;     // Item gap
  lineHeight: 1-5;
  fontSize: 1-5;        // Base font scale
  headerScale: 1-5;     // Header size scale
}

interface ResumeData {
  personalInfo: PersonalInfo;
  summary: string;
  workExperience: Experience[];
  education: Education[];
  personalProjects: Project[];
  additional: AdditionalInfo;
  sectionMeta: SectionMeta[];      // Order, visibility
  customSections: CustomSection[]; // User-added sections
}

.resume-section        /* Section wrapper */
.resume-section-title  /* Section heading (h3) */
.resume-items          /* Items container */
.resume-item           /* Single entry (won't page-break) */

--section-spacing: calc(4px * var(--spacing-level));
--item-spacing: calc(2px * var(--spacing-level));
--line-height: calc(1.4 + 0.1 * var(--line-height-level));