*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#F5F6FA;color:#2C3E50}
:root{--primary:#EF4136;--success:#27AE60;--danger:#E74C3C;--bg:#F5F6FA;--white:#fff;--text:#2C3E50;--muted:#7F8C8D;--border:#E0E0E0}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--primary);padding:16px}
.login-card{background:#fff;border-radius:20px;padding:32px 24px;width:100%;max-width:360px;text-align:center}
.login-logo{width:56px;height:56px;background:var(--primary);color:#fff;border-radius:14px;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.login-brand{font-size:20px;font-weight:800;color:var(--text)}
.login-sub{color:var(--muted);font-size:13px;margin-bottom:24px}
.shell{display:flex;flex-direction:column;min-height:100vh;background:var(--bg)}
.topbar{background:var(--primary);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:50}
.topbar-brand{font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px}
.topbar-right{display:flex;align-items:center;gap:8px}
.brand-dot{width:10px;height:10px;background:#fff;border-radius:50%;display:inline-block}
.merchant-code{font-size:12px;opacity:.8}
.btn-logout{background:rgba(255,255,255,.2);border:none;color:#fff;padding:6px 12px;border-radius:8px;cursor:pointer;font-size:12px}
.content{flex:1;padding:16px;padding-bottom:80px;overflow-y:auto}
.bottomnav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);display:flex;z-index:100}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:8px 4px;cursor:pointer;color:var(--muted);font-size:11px;gap:4px;border:none;background:none;text-decoration:none}
.nav-item svg{width:22px;height:22px}
.nav-item.active{color:var(--primary)}
.nav-item-scan{color:#fff!important;background:var(--primary);border-radius:50%;width:56px;height:56px;margin-top:-20px;box-shadow:0 4px 12px rgba(239,65,54,.4)}
.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;outline:none;margin-bottom:12px;font-family:inherit}
.input:focus{border-color:var(--primary)}
.input-lg{font-size:18px;text-align:center;letter-spacing:2px}
.btn{padding:12px 20px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-block{width:100%;display:block}
.mt8{margin-top:8px}
.mt16{margin-top:16px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.stat-card{background:#fff;border-radius:12px;padding:16px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat-val{font-size:28px;font-weight:700;color:var(--primary)}
.stat-lbl{font-size:11px;color:var(--muted);margin-top:4px}
.client-card{background:#fff;border-radius:12px;padding:16px;display:flex;align-items:center;gap:14px;margin:16px 0;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.client-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.client-name{font-weight:600;font-size:15px}
.client-phone{color:var(--muted);font-size:13px}
.client-balance{color:var(--primary);font-size:14px;margin-top:4px}
.txn-list{display:flex;flex-direction:column;gap:8px}
.txn-row{background:#fff;border-radius:10px;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.txn-client{font-weight:600;font-size:13px}
.txn-date{color:var(--muted);font-size:11px;margin-top:2px}
.txn-points{color:var(--danger);font-weight:700;font-size:15px}
.txn-amount{color:var(--muted);font-size:11px;text-align:right}
.success-screen{text-align:center;padding:40px 16px}
.success-icon{width:72px;height:72px;background:var(--success);color:#fff;border-radius:50%;font-size:36px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.success-title{font-size:22px;font-weight:700;color:var(--text)}
.success-sub{color:var(--muted);margin-top:8px;font-size:15px}
.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px}
.alert-danger{background:#fdecea;color:var(--danger);border:1px solid #f5c6cb}
.loading{text-align:center;padding:40px;color:var(--muted)}
.empty{text-align:center;padding:24px;color:var(--muted);font-size:13px}
.page-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}
.date-sub{color:var(--muted);font-size:13px;margin-bottom:16px}
.section-title{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:16px 0 8px}
.debit-form{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.form-label{font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.text-center{text-align:center}
.scan-box{background:#fff;border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}