:root{--primary: #4f46e5;--primary-dk: #4338ca;--bg: #f8f8f8;--surface: #ffffff;--border: #e5e5e5;--text: #111111;--muted: #888888;--subtle: #f0f0f0;--success-bg: #dcfce7;--success-fg: #15803d;--success-bd: #bbf7d0;--error-bg: #fee2e2;--error-fg: #dc2626;--error-bd: #fecaca;--safe-top: env(safe-area-inset-top, 0px);--safe-bot: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body background: var(--bg); color: var(--text); font-family: Inter,system-ui,-apple-system,"Segoe UI",sans-serif; -webkit-font-smoothing: antialiased; } .shell{display:flex;flex-direction:column;height:100dvh}.shell-header{display:flex;justify-content:space-between;align-items:center;padding:calc(var(--safe-top) + 12px) 16px 12px;background:var(--surface);border-bottom:1px solid var(--border)}.shell-logo{font-weight:800;font-size:17px;color:var(--primary)}.signout-btn{background:none;border:none;color:var(--muted);font-size:14px;cursor:pointer;padding:8px}.shell-main{flex:1;overflow-y:auto;padding:20px 16px}.shell-nav{display:flex;background:var(--surface);border-top:1px solid var(--border);padding-bottom:var(--safe-bot)}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;padding:10px 4px;color:var(--muted);text-decoration:none;font-size:10px;gap:3px}.nav-tab.active{color:var(--primary)}.nav-icon{font-size:22px}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}.text-input{display:block;width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:16px;padding:14px 16px;margin-bottom:16px;outline:none;font-family:inherit}.text-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.primary-btn{display:block;width:100%;background:var(--primary);color:#fff;font-size:16px;font-weight:700;border:none;border-radius:10px;padding:16px;cursor:pointer;min-height:52px;font-family:inherit;transition:background .15s}.primary-btn:hover:not(:disabled){background:var(--primary-dk)}.primary-btn:disabled{opacity:.4;cursor:not-allowed}.secondary-btn{display:block;width:100%;background:transparent;border:1px solid var(--border);color:var(--text);font-size:16px;font-weight:600;border-radius:10px;padding:15px;cursor:pointer;min-height:52px;margin-bottom:12px;font-family:inherit;transition:border-color .15s}.secondary-btn:hover{border-color:var(--primary);color:var(--primary)}.status-msg{padding:12px 16px;border-radius:8px;font-size:15px;margin-top:16px}.status-msg.ok{background:var(--success-bg);color:var(--success-fg);border:1px solid var(--success-bd)}.status-msg.error{background:var(--error-bg);color:var(--error-fg);border:1px solid var(--error-bd)}.inline-error{color:var(--error-fg);font-size:13px;margin-top:8px}.section-title{font-size:22px;font-weight:800;margin-bottom:20px;color:var(--text)}.step-label{font-size:13px;color:var(--muted);margin-bottom:12px}.mt-16{margin-top:16px}.link-btn{background:none;border:none;color:var(--primary);font-size:13px;cursor:pointer;padding:4px}.mono{font-family:monospace;letter-spacing:.1em;text-transform:uppercase}.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}.empty-icon{font-size:48px;margin-bottom:16px}.confirm-id{font-size:12px;color:var(--muted);font-family:monospace;margin-top:8px}customer-chip{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:16px}.chip-label{font-size:11px;color:var(--muted);text-transform:uppercase;margin-bottom:2px}.customer-name{font-size:16px;font-weight:600}.customer-meta{font-size:13px;color:var(--muted);margin-top:2px}.chip-clear{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px}.chip-clear.small{font-size:13px}.reward-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:14px}.reward-label{font-size:17px;font-weight:700;margin-bottom:4px}.reward-meta{font-size:14px;color:var(--primary);margin-bottom:4px}.reward-expiry{font-size:12px;color:var(--muted);margin-bottom:12px}.or-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--muted);font-size:12px}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--border)}.scanning-row{display:flex;align-items:center;gap:10px;padding:12px 0;font-size:14px;color:var(--muted)}.pulse-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.nfc-pill{display:flex;align-items:center;justify-content:space-between;background:var(--success-bg);border:1px solid var(--success-bd);border-radius:8px;padding:12px 16px;margin-bottom:12px;color:var(--success-fg);font-size:14px}.placeholder-screen{text-align:center;padding:60px 20px}.placeholder-icon{font-size:56px;margin-bottom:16px}.placeholder-screen h2{font-size:22px;margin-bottom:8px}.placeholder-screen p{color:var(--muted);font-size:14px}.phone-only{display:flex;flex-direction:column;height:100dvh}.tablet-only{display:none}@media (min-width: 768px){.phone-only{display:none}.tablet-only{display:flex;height:100dvh}}.split-shell{display:flex;height:100dvh}.split-sidebar{width:260px;flex-shrink:0;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);padding:24px 0}.split-logo{font-weight:800;font-size:20px;color:var(--primary);padding:0 20px 20px;line-height:1.2}.split-logo span{font-size:12px;color:var(--muted);font-weight:400}.split-session{padding:0 20px 20px;border-bottom:1px solid var(--border)}.split-role{font-size:11px;text-transform:uppercase;color:var(--muted)}.split-biz{font-size:13px;color:var(--text);font-family:monospace}.side-nav{flex:1;padding:16px 0}.side-nav-item{display:flex;align-items:center;gap:12px;padding:14px 20px;color:var(--muted);text-decoration:none;font-size:15px;border-left:3px solid transparent;transition:background .1s}.side-nav-item:hover{color:var(--text);background:var(--subtle)}.side-nav-item.active{color:var(--primary);border-left-color:var(--primary);background:var(--subtle)}.side-nav-item .nav-icon{font-size:20px}.side-signout{margin:0 20px;background:none;border:1px solid var(--border);color:var(--muted);font-size:13px;cursor:pointer;border-radius:8px;padding:10px 16px}.side-signout:hover{color:var(--text);border-color:var(--text)}.split-main{flex:1;overflow-y:auto;padding:32px;background:var(--bg)}