:root{--bg:#f3f4f6;--surface:#ffffff;--surface-strong:#f9fafb;--line:#d1d5db;--text:#1f2937;--muted:#6b7280;--accent:#e86a1f;--accent-strong:#e86a1f;--error:#b42318;--shadow:0 14px 32px rgba(15,23,42,0.06)}*{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:Georgia,Times New Roman,serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:999px;padding:.85rem 1.2rem;background:var(--accent);color:white;transition:background .15s ease}button:hover{background:var(--accent-strong)}button:disabled{cursor:wait;opacity:.7}.secondary-button{background:white;color:var(--text);border:1px solid var(--line)}.secondary-button:hover{background:#f9fafb}.danger-button{color:var(--accent)}input,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:.85rem .95rem;background:white;color:var(--text);outline:none;transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,106,31,.16)}main{width:min(1180px,calc(100% - 2rem));margin:0 auto;padding:2rem 0 4rem}h1,h2,h3,p{margin:0}.auth-shell,.upload-shell{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.upload-page-shell{align-content:center}.upload-page-stack{width:min(100%,480px);display:grid;grid-gap:.85rem;gap:.85rem}.upload-page-actions{display:flex;justify-content:flex-end}.form-card{width:min(100%,480px)}.upload-form{display:grid;grid-gap:1rem;gap:1rem}.upload-field{gap:.6rem}.upload-helper{margin-top:-.35rem}.error-text+button,.upload-helper+button{margin-top:.5rem}.page-shell{min-height:100vh}.panel{background:var(--surface);border:1px solid #e5e7eb;box-shadow:var(--shadow);border-radius:28px;padding:1.35rem}.hero-panel,.workspace-toolbar{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.workspace-toolbar-actions{display:flex;gap:.75rem;align-items:flex-start;justify-content:flex-end;flex-wrap:wrap}.section-heading{display:flex;justify-content:space-between;gap:1rem;align-items:baseline}.stack-md,.workspace-layout{display:grid;grid-gap:1rem;gap:1rem}.stack-sm{display:grid;grid-gap:.6rem;gap:.6rem}.stack-xs{display:grid;grid-gap:.35rem;gap:.35rem}.meta,.muted{color:var(--muted)}.eyebrow,.meta,.required-tag{font-size:.85rem}.eyebrow,.required-tag,.split-tag,.suggested-tag{text-transform:uppercase;letter-spacing:.08em}.required-tag{color:#374151;font-weight:600}.split-tag,.suggested-tag{color:#374151;background:#f3f4f6;border:1px solid #d1d5db;border-left:3px solid rgba(232,106,31,.55);border-radius:999px;padding:.15rem .45rem}.field-label-row{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}.helper-text{color:var(--muted);font-size:.85rem}.error-text{color:var(--error)}.column-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:.9rem;gap:.9rem}.column-card{border:1px solid var(--line);border-radius:20px;padding:1rem;background:var(--surface);display:grid;grid-gap:.8rem;gap:.8rem}.sample-list{display:flex;flex-wrap:wrap;gap:.5rem}.sample-pill{margin:0;padding:.45rem .7rem;border-radius:999px;background:#ffffff;border:1px solid #d1d5db;border-left:3px solid var(--accent);color:#374151;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.sample-pill:hover{border-color:var(--accent);border-left-color:var(--accent);background:color-mix(in srgb,#e86a1f 6%,white);box-shadow:0 4px 10px rgba(232,106,31,.08)}.table-wrap{overflow-x:auto}.mapping-table,.preview-table{width:100%;border-collapse:collapse}.mapping-table td,.mapping-table th,.preview-table td,.preview-table th{text-align:left;padding:.8rem .7rem;border-bottom:1px solid #e5e7eb;vertical-align:top}.toggle-row{display:flex;gap:1rem;flex-wrap:wrap}.address-source-picker{display:grid;grid-gap:.55rem;gap:.55rem}.address-source-list{display:flex;flex-wrap:wrap;gap:.5rem .9rem}.address-source-option{display:inline-flex;align-items:center;gap:.4rem}.address-source-option input{width:auto}.inline-check{display:inline-flex;align-items:center;gap:.4rem}.inline-check input{width:auto}.action-row{display:flex;justify-content:space-between;gap:1rem;align-items:center}@media (max-width:760px){.action-row,.hero-panel,.section-heading,.workspace-toolbar{grid-template-columns:1fr;display:grid}main{width:min(100%,calc(100% - 1rem));padding-top:1rem}}