:root{--bg0:245 245 247;--card:255 255 255;--text:29 29 31;--muted:110 110 115;--line:210 210 215;--brand:0 113 227;--brand-hover:0 102 204;--brand-soft:232 244 255;--ok:52 199 89;--warn:255 159 10;--bad:255 69 58;--radius:10px;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html,body,#root{min-height:100%;color:rgb(var(--text));background:rgb(var(--bg0));-webkit-tap-highlight-color:transparent;margin:0;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{font:inherit}.lx2-app{background:rgb(var(--bg0));min-height:100dvh}.lx2-page{min-height:100dvh;padding:0 16px calc(76px + var(--safe-bottom))}.lx2-page--plain{padding-bottom:24px}.lx2-topbar{z-index:50;background:rgba(var(--card), .92);-webkit-backdrop-filter:saturate(180%)blur(20px);border-bottom:1px solid rgb(var(--line));align-items:center;gap:10px;height:3.25rem;margin:0 -16px 16px;padding:0 16px;display:flex;position:sticky;top:0}.lx2-logo{flex-shrink:0;align-items:center;gap:8px;display:flex}.lx2-logo-icon{background:rgb(var(--brand));color:#fff;border-radius:.4375rem;place-items:center;width:1.75rem;height:1.75rem;font-size:.75rem;font-weight:700;display:grid}.lx2-logo-text{letter-spacing:-.01em;font-size:1rem;font-weight:600}.lx2-topbar-meta{color:rgb(var(--muted));text-align:right;margin-left:auto;font-size:.8125rem;line-height:1.3}.lx2-topbar-back{color:rgb(var(--brand));flex-shrink:0;font-size:.875rem;font-weight:500}.lx2-page-head{margin-bottom:16px}.lx2-page-head h1{letter-spacing:-.02em;margin:0;font-size:1.375rem;font-weight:600}.lx2-page-head p{color:rgb(var(--muted));margin:6px 0 0;font-size:.875rem}.lx2-card{background:rgb(var(--card));border:1px solid rgb(var(--line));border-radius:var(--radius);margin-bottom:12px;padding:14px 16px}.lx2-card h3{margin:0 0 6px;font-size:.9375rem;font-weight:600}.lx2-card-link{transition:border-color .15s,box-shadow .15s;display:block}.lx2-card-link:active{border-color:rgba(var(--brand), .35);box-shadow:0 0 0 3px rgba(var(--brand), .08)}.lx2-card-link strong{margin-bottom:4px;font-size:.9375rem;display:block}.lx2-muted{color:rgb(var(--muted));font-size:.8125rem}.lx2-lead{background:rgb(var(--brand-soft));border:1px solid rgba(var(--brand), .18);border-radius:var(--radius);color:rgb(var(--text));margin-bottom:16px;padding:12px 14px;font-size:.8125rem}.lx2-btn{border:1px solid rgb(var(--brand));border-radius:var(--radius);cursor:pointer;background:rgb(var(--brand));color:#fff;width:100%;padding:12px 16px;font-size:.9375rem;font-weight:600;transition:background .15s;display:block}.lx2-btn:active:not(:disabled){background:rgb(var(--brand-hover))}.lx2-btn:disabled{opacity:.5;cursor:not-allowed}.lx2-btn-outline{background:rgb(var(--card));color:rgb(var(--brand));border-color:rgb(var(--line))}.lx2-btn-secondary{background:rgb(var(--brand-soft));color:rgb(var(--brand));border-color:rgba(var(--brand), .2)}.lx2-btn-ghost{background:rgb(var(--card));color:rgb(var(--text));border-color:rgb(var(--line))}.lx2-field{margin-bottom:14px}.lx2-field label{color:rgb(var(--muted));margin-bottom:6px;font-size:.8125rem;display:block}.lx2-field input,.lx2-field select{border:1px solid rgb(var(--line));background:rgb(var(--card));width:100%;color:rgb(var(--text));border-radius:8px;padding:11px 12px;font-size:1rem}.lx2-field input:focus,.lx2-field select:focus{border-color:rgba(var(--brand), .55);box-shadow:0 0 0 3px rgba(var(--brand), .12);outline:none}.lx2-error{color:rgb(var(--bad));background:rgba(var(--bad), .1);border-radius:8px;margin:8px 0;padding:10px 12px;font-size:.875rem}.lx2-success{color:#166534;background:rgba(var(--ok), .12);border-radius:8px;margin:8px 0;padding:10px 12px;font-size:.875rem}.lx2-nav{background:rgba(var(--card), .96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid rgb(var(--line));padding-bottom:var(--safe-bottom);z-index:100;display:flex;position:fixed;bottom:0;left:0;right:0}.lx2-nav a{text-align:center;color:rgb(var(--muted));flex:1;padding:8px 4px 10px;font-size:.6875rem;font-weight:500;transition:color .15s}.lx2-nav a.active{color:rgb(var(--brand));font-weight:600}.lx2-nav-icon{opacity:.85;margin-bottom:2px;font-size:1.125rem;line-height:1.2;display:block}.lx2-nav a.active .lx2-nav-icon{opacity:1}.lx2-badge{background:rgb(var(--brand-soft));color:rgb(var(--brand));box-shadow:inset 0 0 0 1px rgba(var(--brand), .12);border-radius:999px;align-items:center;padding:2px 8px;font-size:.6875rem;font-weight:600;display:inline-flex}.lx2-badge-warn{background:rgba(var(--warn), .15);color:#9a3412;box-shadow:none}.lx2-badge-done{background:rgba(var(--ok), .12);color:#166534;box-shadow:none}.lx2-badge-muted{background:rgba(var(--line), .45);color:rgb(var(--muted));box-shadow:none}.lx2-steps{margin:0;padding:0;list-style:none}.lx2-steps li{border-bottom:1px dashed rgb(var(--line));align-items:center;gap:10px;padding:10px 0;font-size:.875rem;display:flex}.lx2-steps li:last-child{border-bottom:none}.lx2-step-dot{background:rgb(var(--line));border-radius:50%;flex-shrink:0;width:8px;height:8px}.lx2-steps li.done .lx2-step-dot{background:rgb(var(--ok))}.lx2-steps li.active .lx2-step-dot{background:rgb(var(--brand));box-shadow:0 0 0 3px rgba(var(--brand), .2)}.lx2-steps li.active{color:rgb(var(--brand));font-weight:600}.lx2-qr-box{background:rgb(var(--bg0));border-radius:8px;justify-content:center;margin-top:8px;padding:16px;display:flex}.lx2-qr-box img{border-radius:6px;width:200px;height:200px}.lx2-book-no{text-align:center;letter-spacing:.04em;color:rgb(var(--brand));font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:1.125rem;font-weight:600}.lx2-scan-area{border-radius:var(--radius);border:1px solid rgb(var(--line));background:#111;width:100%;min-height:260px;overflow:hidden}.lx2-grid-2{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px;display:grid}.lx2-slot{border:1px solid rgb(var(--line));text-align:center;cursor:pointer;background:rgb(var(--card));font:inherit;color:rgb(var(--text));border-radius:8px;padding:10px 8px}.lx2-slot.selected{border-color:rgb(var(--brand));background:rgb(var(--brand-soft));color:rgb(var(--brand));font-weight:600}.lx2-slot.disabled{opacity:.45;pointer-events:none}.lx2-role-picker{gap:12px;display:grid}.lx2-role-card{background:rgb(var(--card));border-radius:var(--radius);border:1px solid rgb(var(--line));padding:18px 16px;transition:border-color .15s,box-shadow .15s}.lx2-role-card:active{border-color:rgba(var(--brand), .35);box-shadow:0 0 0 3px rgba(var(--brand), .08)}.lx2-role-card strong{margin-bottom:4px;font-size:1rem;display:block}.lx2-role-icon{background:rgb(var(--brand-soft));width:2.5rem;height:2.5rem;color:rgb(var(--brand));border-radius:.625rem;place-items:center;margin-bottom:10px;font-size:1.25rem;display:grid}.lx2-mode-tabs{background:rgba(var(--line), .35);border-radius:var(--radius);gap:0;margin-bottom:16px;padding:3px;display:flex}.lx2-mode-tabs button{color:rgb(var(--muted));cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:10px 12px;font-size:.875rem;font-weight:600;transition:all .15s}.lx2-mode-tabs button.active{background:rgb(var(--card));color:rgb(var(--brand));box-shadow:0 1px 3px #00000014}.lx2-stack{flex-direction:column;gap:10px;display:flex}.lx2-divider{background:rgb(var(--line));height:1px;margin:16px 0}.lx2-login-page{flex-direction:column;min-height:100dvh;padding:24px 16px;display:flex}.lx2-login-card{background:rgb(var(--card));border:1px solid rgb(var(--line));border-radius:var(--radius);align-self:center;width:100%;max-width:420px;margin-top:auto;margin-bottom:auto;padding:24px 20px}.lx2-login-brand{text-align:center;margin-bottom:20px}.lx2-login-brand .lx2-logo-icon{width:2.5rem;height:2.5rem;margin:0 auto 12px;font-size:1rem;display:flex}.lx2-login-brand h1{margin:0 0 4px;font-size:1.125rem;font-weight:600}.lx2-login-brand p{color:rgb(var(--muted));margin:0;font-size:.875rem}