:root{--hdr:rgba(11,18,32,.93);--ico:#1b2740;--bg:#0b1220;--card:#131c2e;--line:#22304a;--txt:#e8eefc;--mut:#8fa0c2;--acc:#3b82f6;--acc2:#22d3ee}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt);min-height:100vh}
a{color:inherit;text-decoration:none}
header{position:sticky;top:0;z-index:5;background:var(--hdr);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 16px}
.top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:grid;place-items:center;font-weight:900;color:#fff;flex:none}
.search,select,input[type=text],input[type=password],textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--txt);font-size:15px;outline:none;font-family:inherit}
.search{margin-top:10px}
.search:focus,select:focus,input:focus,textarea:focus{border-color:var(--acc)}
main{max-width:920px;margin:0 auto;padding:14px 16px 30px}
.tools{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.chips{display:flex;gap:8px;overflow-x:auto;flex:1;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;padding:8px 14px;border-radius:20px;border:1px solid var(--line);background:var(--card);color:var(--mut);font-size:13px;cursor:pointer}
.chip.on{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;border-color:transparent;font-weight:700}
select{width:auto;padding:9px 10px;font-size:13px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.app{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;cursor:pointer;transition:.15s}
.app:hover{border-color:var(--acc);transform:translateY(-2px)}
.ico{width:64px;height:64px;border-radius:16px;object-fit:cover;background:var(--ico);flex:none;display:grid;place-items:center;font-size:26px;font-weight:800;color:var(--acc2)}
.info{flex:1;min-width:0}
.info h3{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.info p{color:var(--mut);font-size:13px;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{color:var(--mut);font-size:12px;margin-top:5px}
.btn{background:linear-gradient(135deg,var(--acc),var(--acc2));border:0;color:#fff;font-weight:700;padding:10px 14px;border-radius:12px;cursor:pointer;font-size:14px;flex:none}
.btn:disabled{opacity:.5}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--mut)}
.btn.red{background:#7f1d1d}
.side{display:flex;flex-direction:column;gap:6px;align-items:stretch}
.more{font-size:12px;color:var(--mut);text-align:center}
.state{text-align:center;color:var(--mut);padding:50px 10px}
.skel{height:88px;border-radius:16px;background:linear-gradient(90deg,var(--card),var(--ico),var(--card));background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{to{background-position:-200% 0}}
.hide{display:none!important}
footer{text-align:center;color:var(--mut);font-size:12px;padding:24px 0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#16a34a;color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;z-index:99;box-shadow:0 8px 24px #0006}
/* intro */
#intro{position:fixed;inset:0;z-index:50;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
#intro .logo{width:84px;height:84px;border-radius:24px;font-size:42px;margin-bottom:18px}
#intro h1{font-size:26px;margin-bottom:10px}
#intro p{color:var(--mut);max-width:330px;line-height:1.5;min-height:66px}
.dots{display:flex;gap:6px;margin:16px 0}
.dots i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.dots i.on{background:var(--acc2);width:22px;border-radius:6px}
#intro .btn{padding:13px 34px;font-size:16px}
#skip{margin-top:12px;background:none;border:0;color:var(--mut);cursor:pointer}
/* detail */
.back{display:inline-block;color:var(--mut);margin-bottom:14px}
.hero{display:flex;gap:16px;align-items:center}
.hero .ico{width:96px;height:96px;border-radius:24px;font-size:40px}
.hero h1{font-size:22px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;text-align:center}
.stats b{display:block;font-size:16px}.stats span{font-size:12px;color:var(--mut)}
.desc{color:var(--mut);line-height:1.6;white-space:pre-wrap;margin:14px 0 20px}

[data-theme=light]{--hdr:rgba(243,246,252,.93);--ico:#e6ecf8;--bg:#f3f6fc;--card:#fff;--line:#dde4f0;--txt:#0f1a30;--mut:#5b6b8c}
.theme{background:var(--card);border:1px solid var(--line);border-radius:10px;width:38px;height:38px;cursor:pointer;font-size:17px}
.banner{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;padding:11px 14px;border-radius:12px;margin-bottom:14px;font-size:14px;font-weight:600}
.sec{font-weight:800;margin:6px 0 10px;font-size:15px}
.fscroll{display:flex;gap:10px;overflow-x:auto;margin-bottom:16px;padding-bottom:4px;scrollbar-width:none}
.fcard{flex:none;width:110px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;text-align:center;cursor:pointer}
.fcard .ico{margin:0 auto 8px}.fcard b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fcard small{color:var(--mut);font-size:11px}
.badge{font-size:10px;background:#16a34a;color:#fff;border-radius:6px;padding:2px 6px;margin-left:6px;vertical-align:middle}
.steps{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px 14px 34px;color:var(--mut);font-size:13px;line-height:1.7;margin-bottom:18px}
.steps b{color:var(--txt)}
.rel{display:grid;gap:10px;margin-top:8px}
.brow{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:13px}.brow span{width:90px;flex:none;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.brow i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--acc),var(--acc2))}.brow em{font-style:normal;color:var(--mut);font-size:12px}
.chk{display:flex;align-items:center;gap:8px;margin-top:12px;color:var(--txt);font-size:14px}.chk input{width:auto}
.hdrbtns{display:flex;gap:8px;align-items:center}
.star{background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;font-size:15px;color:var(--mut)}.star.on{color:#facc15;border-color:#facc15}

/* ===== responsive + navigation ===== */
body{padding-bottom:calc(76px + env(safe-area-inset-bottom));overflow-x:hidden}
.menu{position:fixed;z-index:20;left:0;right:0;bottom:0;display:flex;background:var(--hdr);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
.menu .mbrand{display:none}
.menu a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 4px;border-radius:12px;color:var(--mut);font-size:11px;min-height:48px;justify-content:center}
.menu a span{font-size:20px;line-height:1}
.menu a.on{color:var(--acc2);font-weight:700;background:rgba(59,130,246,.14)}
.toast{bottom:92px;max-width:90vw;text-align:center}
.rank{width:28px;flex:none;text-align:center;font-size:18px;color:var(--acc2)}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700}
details p{color:var(--mut);margin-top:8px;line-height:1.6;font-size:14px}
.about{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px;line-height:1.6}
.about h1{font-size:22px;margin-bottom:6px}.about p{color:var(--mut)}
.cols{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
@media(max-width:560px){
  .row{flex-wrap:wrap}.row .info{flex:1 1 calc(100% - 70px)}.row .star,.row .btn{flex:1;text-align:center}
  .tools{flex-wrap:wrap}.tools .chips{flex:1 1 100%}.tools select{width:100%}
  .app{padding:10px;gap:10px}.ico{width:56px;height:56px}
}
@media(max-width:400px){
  .hero .ico{width:72px;height:72px}.hero h1{font-size:18px}.stats b{font-size:14px}.stats div{padding:10px 4px}
  .brand{font-size:16px}#intro h1{font-size:22px}
}
@media(min-width:820px){
  body{padding-bottom:0;padding-left:230px}
  .menu{top:0;right:auto;bottom:0;width:230px;flex-direction:column;border-top:0;border-right:1px solid var(--line);padding:20px 12px;gap:6px}
  .menu .mbrand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin:0 6px 20px}
  .menu a{flex:none;flex-direction:row;justify-content:flex-start;gap:12px;font-size:15px;padding:12px 14px;min-height:0}
  .menu a span{font-size:18px}.menu a:hover{background:rgba(59,130,246,.1)}
  .menu .push{margin-top:auto}
  header .brand{display:none}header .top{justify-content:flex-end}
  .toast{bottom:24px}
  main{max-width:1100px;padding:22px 30px 40px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
}
@media(min-width:1100px){.cols{grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);align-items:start}}

/* ===== icons + notifications ===== */
.i{width:1.15em;height:1.15em;vertical-align:-.2em;flex:none}
.ic{display:inline-flex;vertical-align:middle;margin-right:4px}
.menu a span{display:flex}.menu a span .i{width:22px;height:22px}
.theme{display:grid;place-items:center;color:var(--txt);padding:0}.theme .i{width:18px;height:18px}
.star{display:grid;place-items:center}.star .i{width:16px;height:16px}.star.on .i{fill:currentColor}
.sec .i{color:var(--acc2)}
.banner{display:flex;gap:8px;align-items:center}.banner .i{flex:none}
.notifcard{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:14px}
.notifcard>.i{width:24px;height:24px;color:var(--acc2)}
.notifcard p{flex:1 1 180px;font-size:13px;color:var(--mut)}.notifcard b{display:block;color:var(--txt);font-size:14px}