:root{
  --purple:#5b24a8;--purple2:#7d2bc1;--pink:#ff2e9a;--pink2:#ff5bb4;
  --ink:#141414;--muted:#777;--soft:#f7f4fb;--line:#ece7f3;--card:#fff;
}
*{box-sizing:border-box}
html,body{margin:0;background:#f7f6fa;color:var(--ink);font-family:Arial,Helvetica,sans-serif}
body{min-height:100vh}
.app{max-width:520px;margin:auto;min-height:100vh;background:#fff;position:relative;overflow:hidden}
.splash{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;background:linear-gradient(180deg,#6b1db2,#3b0f74);position:relative;color:#fff}
.splash:before,.splash:after{content:"";position:absolute;left:-20%;width:140%;height:180px;border-radius:45%;background:linear-gradient(90deg,#912bc0,#e3269c,#4d168e);opacity:.55}
.splash:before{top:-80px;transform:rotate(-8deg)} .splash:after{bottom:-90px;transform:rotate(8deg)}
.logo-box{width:175px;height:175px;border-radius:34px;overflow:hidden;background:#fff;display:grid;place-items:center;box-shadow:0 18px 45px #18002666;z-index:1}
.logo-box img,.mini-logo img{width:100%;height:100%;object-fit:contain;display:block}
.brand{font-size:40px;font-weight:900;margin-top:20px;z-index:1}.brand .b1{color:#fff}.brand .b2{color:#ff66be}
.tag{color:#f0dff8;font-size:17px;z-index:1}
.loader{width:250px;height:14px;border-radius:20px;background:#ffffff55;margin-top:48px;overflow:hidden;z-index:1}
.loader i{display:block;width:66%;height:100%;background:linear-gradient(90deg,#fff,#ff5eb7)}
.loading{margin-top:12px;color:#eee;z-index:1}

.header{padding:14px 16px 8px;position:sticky;top:0;background:#fff;z-index:10;border-bottom:1px solid #f0edf4}
.headrow{display:flex;align-items:center;gap:10px}
.mini-logo{width:48px;height:48px;border-radius:14px;overflow:hidden;background:#fff}
.title{font-size:25px;font-weight:900;flex:1}.title .b1{color:var(--purple)} .title .b2{color:var(--pink)}
.iconbtn{border:0;background:#fff;font-size:26px;padding:6px}
.search{margin:12px 0 4px;background:#f4f1f7;border-radius:18px;padding:13px 15px;display:flex;gap:10px}
.search input{border:0;outline:0;background:transparent;width:100%;font-size:16px}

.hero{margin:14px 16px;padding:20px;border-radius:22px;background:linear-gradient(120deg,#f7eaff,#d8c0ef 58%,#ffbde1);box-shadow:0 10px 25px #4d168e12}
.hero h2{font-size:28px;margin:0 0 8px;line-height:1.05}
.hero p{color:#5a4766;margin:0 0 16px}
.btn{border:0;border-radius:15px;background:linear-gradient(90deg,var(--purple),var(--pink));color:#fff;font-weight:800;padding:12px 18px;font-size:15px}

.cats{display:flex;gap:10px;padding:4px 16px 14px;overflow:auto}
.cat{min-width:86px;text-align:center;padding:13px 8px;border:1px solid #eee;border-radius:16px;background:#fff}
.cat b{display:block;margin-top:6px;font-size:12px}.cat.active{color:var(--pink);background:#fff0f8}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 14px 96px}
.book{border:1px solid #eee;border-radius:20px;padding:12px;background:#fff;box-shadow:0 7px 20px #0000000b}
.cover{height:165px;border-radius:14px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;color:#fff;font-weight:900;font-size:22px;box-shadow:inset 0 0 0 2px #ffffff28}
.book h3{font-size:16px;margin:10px 0 4px}.sub{font-size:12px;color:#777;min-height:30px}
.rating{color:#ffaf00;font-size:13px}.price{font-size:22px;color:#e91e63;font-weight:900;margin-top:5px}
.old{text-decoration:line-through;color:#999;font-size:13px;margin-left:5px}
.discount{display:inline-block;margin:7px 0;padding:5px 8px;border-radius:10px;background:#ffe8f4;color:#e91e63;font-size:12px}
.add{width:100%;border:0;border-radius:14px;background:linear-gradient(90deg,var(--purple),var(--pink));color:#fff;padding:11px;font-weight:800}

.bottom{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(520px,100%);background:#fff;border-top:1px solid #eee;display:grid;grid-template-columns:repeat(5,1fr);padding:10px 4px calc(10px + env(safe-area-inset-bottom));z-index:12}
.nav{text-align:center;font-size:11px;color:#666}.nav b{display:block;font-size:20px}.nav.active{color:var(--pink)}

.overlay{position:fixed;inset:0;background:#0008;z-index:30}
.drawer{position:absolute;left:0;top:0;bottom:0;width:min(88%,430px);background:#fff;overflow:auto}
.drawer-head{background:linear-gradient(135deg,var(--purple),var(--pink));padding:24px;color:#fff}
.drawer-brand{display:flex;align-items:center;gap:12px}.drawer-brand img{width:64px;height:64px;border-radius:16px;background:#fff}
.drawer-head .name{font-size:26px;font-weight:900}
.wallet{margin:16px;background:#fff0f8;border-radius:18px;padding:16px;display:flex;align-items:center;justify-content:space-between}
.menu{padding:0 12px 30px}.mi{padding:16px 12px;border-bottom:1px solid #eee;display:flex;justify-content:space-between}
.panel{background:#fff;border:1px solid #eee;border-radius:18px;padding:16px;margin:12px 0}
.page{padding:18px 18px 100px}.page h2{font-size:28px}.row{display:flex;gap:12px;align-items:center}
.total{font-weight:900;font-size:24px;color:var(--pink)}

.auth{min-height:100vh;background:linear-gradient(160deg,#fff 52%,#f4e8fb);padding:36px 22px}
.auth-logo{text-align:center}.auth-logo img{width:110px;height:110px;object-fit:contain;border-radius:22px}
.authcard{margin-top:22px;background:#fff;border-radius:28px;padding:24px;box-shadow:0 12px 40px #0001}
.authcard h1{text-align:center}
.field{display:flex;align-items:center;background:#f7f4f9;border-radius:16px;padding:14px;margin:12px 0}
.field input{border:0;outline:0;background:transparent;width:100%;font-size:16px}
.authbtn{width:100%;padding:14px;border:0;border-radius:16px;background:linear-gradient(90deg,var(--purple),var(--pink));color:#fff;font-size:18px;font-weight:900}
.small{font-size:13px;color:#777}

.policy{max-width:900px;margin:auto;padding:28px 20px 60px;background:#fff}
.policy h1{font-size:34px;color:#222}.policy h2{margin-top:28px;color:#333}.policy a{color:var(--purple)}