:root{--bg:#f6f5f2;--surface:#fff;--surface-2:#f0efeb;--border:#dedcd5;--text:#1f2937;--muted:#6b7280;--primary:#0f766e;--primary-hover:#0d655e;--primary-soft:#d9f0ed;--danger:#b91c1c;--danger-soft:#fee2e2;--warn:#b45309;--warn-soft:#fef3c7;--ok:#15803d;--ok-soft:#dcfce7;--radius:12px;--shadow:0 1px 2px #0000000f, 0 4px 12px #0000000a}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Noto Sans Thai,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 .5rem;line-height:1.25}h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1.05rem}p{margin:0 0 .75rem}code{background:var(--surface-2);border-radius:6px;padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.topbar{z-index:10;background:var(--primary);color:#fff;flex-wrap:wrap;align-items:center;gap:12px;min-height:56px;padding:0 16px;display:flex;position:sticky;top:0}.topbar .brand{color:#fff;white-space:nowrap;font-size:1.05rem;font-weight:700}.topbar .brand:hover{text-decoration:none}.topbar nav{flex-wrap:wrap;gap:4px;display:flex}.topbar nav a{color:#ffffffd9;border-radius:8px;padding:6px 10px;font-weight:500}.topbar nav a.active,.topbar nav a:hover{color:#fff;background:#ffffff29;text-decoration:none}.topbar .spacer{flex:1}.topbar .user{opacity:.95;font-size:.9rem}.topbar select{color:#fff;font:inherit;background:#ffffff29;border:1px solid #fff6;border-radius:8px;padding:6px 8px}.topbar select option{color:var(--text)}.topbar .btn-ghost{color:#fff;border-color:#fff6}.topbar .btn-ghost:hover{background:#ffffff29}.page{max-width:960px;margin:0 auto;padding:20px 16px 48px}.page-narrow{max-width:460px}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.page-head p{color:var(--muted);margin:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px}.card h2{margin-bottom:12px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.card-link{color:inherit;display:block}.card-link:hover{border-color:var(--primary);text-decoration:none}.card-link .title{margin-bottom:4px;font-weight:600}.card-link .desc{color:var(--muted);font-size:.9rem}.card-link.disabled{opacity:.55;pointer-events:none}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{font-size:.95rem;font-weight:500}.field .hint{color:var(--muted);font-size:.85rem}.field .error{color:var(--danger);font-size:.85rem}input[type=text],input[type=password],select,textarea{font:inherit;border:1px solid var(--border);color:var(--text);background:#fff;border-radius:10px;width:100%;min-height:44px;padding:10px 12px}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row-end{justify-content:flex-end}.stack{flex-direction:column;gap:8px;display:flex}.btn{font:inherit;cursor:pointer;background:var(--primary);color:#fff;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:10px 16px;font-weight:600;transition:background .15s;display:inline-flex}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:#e6e4de}.btn-danger{background:var(--danger-soft);color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fecaca}.btn-ghost{color:var(--primary);border-color:var(--border);background:0 0}.btn-ghost:hover{background:var(--surface-2)}.btn-sm{min-height:36px;padding:6px 12px;font-size:.9rem}.btn-block{width:100%}.badge{background:var(--surface-2);color:var(--muted);white-space:nowrap;border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:600;display:inline-block}.badge-owner{color:#5b21b6;background:#ede9fe}.badge-cashier{background:var(--warn-soft);color:var(--warn)}.badge-staff{color:#1d4ed8;background:#dbeafe}.badge-admin{color:#fff;background:#1f2937}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-muted{background:var(--surface-2);color:var(--muted)}.alert{border:1px solid #0000;border-radius:10px;margin-bottom:14px;padding:10px 14px}.alert-error{background:var(--danger-soft);color:var(--danger);border-color:#fecaca}.alert-ok{background:var(--ok-soft);color:var(--ok);border-color:#bbf7d0}.alert-warn{background:var(--warn-soft);color:var(--warn);border-color:#fde68a}.alert-info{background:var(--primary-soft);color:var(--primary);border-color:#b9e3de}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;padding:10px 8px}th{color:var(--muted);font-size:.85rem;font-weight:600}tr:last-child td{border-bottom:none}td .sub{color:var(--muted);font-size:.85rem}.actions{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.muted{color:var(--muted)}.small{font-size:.875rem}.center{text-align:center}.empty{color:var(--muted);text-align:center;padding:24px}.qr{width:220px;height:220px;image-rendering:pixelated;border:1px solid var(--border);background:#fff;border-radius:10px;margin:0 auto 8px;display:block}.link-box{align-items:center;gap:8px;display:flex}.link-box input{flex:1;font-size:.85rem}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading{justify-content:center;padding:48px;display:flex}.toast{color:#fff;box-shadow:var(--shadow);z-index:20;background:#1f2937;border-radius:10px;padding:10px 18px;font-size:.95rem;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.modal-backdrop{z-index:30;background:#0006;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:420px;box-shadow:var(--shadow);padding:20px}.big-code{letter-spacing:.08em;text-align:center;background:var(--surface-2);-webkit-user-select:all;user-select:all;border-radius:10px;margin:12px 0;padding:12px;font-family:ui-monospace,Menlo,monospace;font-size:1.6rem}.hero{text-align:center;padding:32px 16px}.hero .emoji{margin-bottom:8px;font-size:3rem;line-height:1}@media (width<=600px){.topbar nav{order:3;width:100%;padding-bottom:8px}.page{padding:16px 12px 40px}th,td{padding:8px 6px}}