:root{--bg: #0f1115;--card: #1a1d24;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa3b2;--primary: #4250e6;--primary-hover: #5663ff;--green: #2faf6b;--red: #d8504d;--amber: #d39a2d}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary-hover);text-decoration:none}a:hover{text-decoration:underline}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:440px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px;box-shadow:0 12px 40px #0006}.card h1{margin:0 0 4px;font-size:24px}.subtitle{margin:0 0 24px;color:var(--muted);font-size:14px}label{display:block;margin-bottom:16px;font-size:14px;font-weight:500}.optional{color:var(--muted);font-weight:400}input{width:100%;margin-top:6px;padding:11px 12px;background:#0f1218;border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px}input:focus{outline:none;border-color:var(--primary)}.hint{display:block;margin-top:6px;color:var(--muted);font-weight:400;font-size:12px}.quota-note{margin:4px 0 18px;font-size:13px;color:var(--muted)}button{cursor:pointer;border:none;border-radius:8px;padding:11px 16px;font-size:14px;font-weight:600;background:var(--primary);color:#fff;transition:background .15s}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.6;cursor:default}form>button[type=submit]{width:100%;margin-top:4px}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}button.ghost:hover:not(:disabled){background:#232733}.alert{padding:12px 14px;border-radius:8px;font-size:14px;margin-bottom:18px;line-height:1.4}.alert-error{background:#d8504d26;border:1px solid var(--red)}.alert-success{background:#2faf6b26;border:1px solid var(--green)}.alert-pending{background:#d39a2d26;border:1px solid var(--amber)}.signin-link{display:inline-block;margin-top:4px;font-weight:600}.footer-link{margin-top:24px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;text-align:center}.dashboard{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--border)}.topbar-right{display:flex;align-items:center;gap:14px}.admin-email{color:var(--muted);font-size:13px}.tabs{display:flex;gap:4px;padding:12px 24px 0;border-bottom:1px solid var(--border);background:var(--card)}.tabs button{background:transparent;color:var(--muted);border-radius:8px 8px 0 0;padding:10px 16px}.tabs button.active{color:var(--text);background:var(--bg);border:1px solid var(--border);border-bottom:1px solid var(--bg);margin-bottom:-1px}.dashboard-body{padding:24px;max-width:1100px;margin:0 auto}.loading,.empty{padding:40px;text-align:center;color:var(--muted)}.data-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:14px}.data-table th,.data-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}.data-table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.data-table tr:last-child td{border-bottom:none}.actions{display:flex;gap:8px;justify-content:flex-end}button.approve{background:var(--green)}button.reject{background:var(--red)}.invite-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#0f1218;padding:4px 8px;border-radius:6px;cursor:pointer;border:1px solid var(--border)}.bad-code{font-family:ui-monospace,monospace;color:var(--amber)}.badge{font-size:12px;padding:3px 9px;border-radius:999px;text-transform:capitalize}.badge-active{background:#2faf6b2e;color:#6fe0a4}.badge-revoked{background:#d8504d2e;color:#f0928f}.badge-expired,.badge-exhausted{background:#d39a2d2e;color:#f0c673}.inline-form{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:20px}.inline-form .field{display:flex;flex-direction:column}.inline-form label{margin:0 0 6px;font-size:12px;color:var(--muted)}.inline-form input{margin-top:0}