:root{--bg:#0f1216;--surface:#171c22;--surface-2:#1e252d;--border:#2a333d;--text:#e6edf3;--muted:#93a1b0;--accent:#3b82f6;--accent-hover:#2f6fd6;--green:#22c55e;--amber:#f59e0b;--red:#ef4444;--radius:10px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.header{justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.brand,.header{display:flex;align-items:center}.brand{gap:10px;font-weight:700;font-size:18px}.brand .logo{font-size:22px}.header-right{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:14px}.container{max-width:960px;margin:0 auto;padding:32px 24px 64px}.center-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}.card h2{margin:0 0 4px;font-size:17px}.card .hint{color:var(--muted);font-size:13px;margin:0 0 16px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:white;border:none;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--red)}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}.dropzone.drag{border-color:var(--accent);background:rgba(59,130,246,.06)}.dropzone strong{color:var(--text)}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input[type=email],input[type=text],select{width:100%;padding:9px 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px}.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1 1;min-width:200px}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px}table{border-collapse:collapse;width:100%;font-size:13px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th{background:var(--surface-2);font-weight:600;position:-webkit-sticky;position:sticky;top:0}td.null,th{color:var(--muted)}td.null{font-style:italic}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.add{background:rgba(34,197,94,.15);color:var(--green)}.badge.null{background:rgba(245,158,11,.15);color:var(--amber)}.badge.warn{background:rgba(239,68,68,.15);color:var(--red)}.badge.role{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.pill-list{display:flex;flex-wrap:wrap;gap:6px}.pill{background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:3px 8px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert.error{background:rgba(239,68,68,.12);border:1px solid var(--red);color:#fecaca}.alert.success{background:rgba(34,197,94,.12);border:1px solid var(--green);color:#bbf7d0}.alert.warn{background:rgba(245,158,11,.12);border:1px solid var(--amber);color:#fde68a}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;padding:24px;z-index:50}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:640px;width:100%;max-height:85vh;overflow-y:auto;padding:24px}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.stack>*+*{margin-top:16px}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:white;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}