:root{--bg: #f5f7f6;--card: #fff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--primary: #0f766e;--primary-hover: #115e59;--danger: #dc2626;--warn: #d97706;--good: #16a34a;--shadow: 0 1px 2px rgba(0,0,0,.05), 0 1px 3px rgba(0,0,0,.05)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px}a{color:var(--primary);text-decoration:none}button{font-family:inherit;font-size:15px;cursor:pointer}input,select,textarea{font-family:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;font-weight:500}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--primary);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;letter-spacing:.3px}.topbar .user{font-size:13px;opacity:.9}.tabbar{display:flex;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:45px;z-index:9;overflow-x:auto}.tabbar a{padding:12px 16px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;font-weight:500;font-size:14px}.tabbar a.active{color:var(--primary);border-bottom-color:var(--primary)}.container{padding:16px;max-width:900px;margin:0 auto;width:100%}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.card h3{margin:0 0 12px;font-size:16px}.btn{background:var(--primary);color:#fff;border:none;padding:10px 16px;border-radius:8px;font-weight:600}.btn:hover{background:var(--primary-hover)}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#f1f5f9}.btn-danger{background:var(--danger)}.btn-sm{padding:6px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.row{display:grid;gap:10px}.row-2{grid-template-columns:1fr 1fr}.row-3{grid-template-columns:1fr 1fr 1fr}@media (max-width: 500px){.row-3,.row-2{grid-template-columns:1fr}}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge-male{background:#dbeafe;color:#1e40af}.badge-female{background:#fce7f3;color:#9d174d}.badge-mixed{background:#fef3c7;color:#92400e}.badge-unknown{background:#e5e7eb;color:#374151}.badge-low{background:#fee2e2;color:#991b1b}.badge-role{background:#fff3;color:#fff;margin-left:6px}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger);font-size:13px;margin-top:8px}.success{color:var(--good);font-size:13px;margin-top:8px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:8px;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.batch-item{border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:8px;background:#fff}.batch-item:hover{border-color:var(--primary)}.batch-item .top{display:flex;justify-content:space-between;align-items:start;margin-bottom:6px}.batch-item .name{font-weight:600}.batch-item .qty{font-size:20px;font-weight:700;color:var(--primary)}.batch-item .qty.low{color:var(--danger)}.batch-item .meta{color:var(--muted);font-size:13px}.pin-input{font-size:24px;letter-spacing:8px;text-align:center;padding:14px;font-family:monospace}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--primary)}.login-card{background:#fff;border-radius:14px;padding:28px;width:100%;max-width:380px;box-shadow:0 10px 30px #00000026}.login-card h1{margin:0 0 4px;font-size:22px}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:28px;box-shadow:0 4px 12px #0003}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:#fff;border-radius:12px;padding:20px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal h2{margin:0 0 16px;font-size:18px}.event-item{padding:12px;border-bottom:1px solid var(--border)}.event-item .head{display:flex;justify-content:space-between;align-items:baseline}.event-item .type{font-weight:600;text-transform:capitalize}.event-item .when{color:var(--muted);font-size:12px}.event-item .body{font-size:13px;color:var(--muted);margin-top:4px}.actions-row{display:flex;gap:8px;flex-wrap:wrap}