:root{
  --bg:#f2f5fa; --card:#ffffff; --ink:#12233b; --ink-2:#51637e; --line:#dbe3ee;
  --brand:#0e2a52; --brand-2:#1a4fd7; --accent:#0d7c5a;
  --chip:#e8eef7; --warn-bg:#fff4e0; --warn-ink:#8a5a00; --bad-bg:#fdecec; --bad-ink:#a02222;
  --ok-bg:#e3f4ec; --ok-ink:#0d7c5a; --info-bg:#e5edfb; --info-ink:#1a4fd7;
  --shadow:0 1px 2px rgba(16,35,61,.06),0 8px 24px rgba(16,35,61,.07);
  --ease:cubic-bezier(.22,.8,.24,1);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1626; --card:#13203a; --ink:#e7eefb; --ink-2:#8fa2c0; --line:#223350;
    --chip:#1c2c4d; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--brand-2)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}

/* ---------- boot splash ---------- */
.boot{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.boot-logo{width:84px;height:84px;border-radius:22px;background:linear-gradient(145deg,#123564,#0b1f3d);
  color:#fff;font-weight:800;font-size:26px;letter-spacing:.06em;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);animation:pop .5s var(--ease)}
.boot-bar{width:130px;height:4px;border-radius:99px;background:var(--line);overflow:hidden}
.boot-bar i{display:block;height:100%;width:40%;border-radius:99px;background:var(--brand-2);animation:slide 1s infinite var(--ease)}
.boot p{color:var(--ink-2);font-size:14px}
@keyframes slide{from{transform:translateX(-120%)}to{transform:translateX(330%)}}
@keyframes pop{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}

/* ---------- hero header ---------- */
.hero{position:relative;padding:calc(18px + env(safe-area-inset-top)) 20px 22px;
  background:linear-gradient(160deg,#123664 0%,#0e2a52 55%,#0b1f3d 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(96,150,255,.35),transparent 65%);pointer-events:none}
.hero .brandline{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.hero .logo{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.12);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.05em;
  border:1px solid rgba(255,255,255,.18)}
.hero h1{font-size:22px;font-weight:800;letter-spacing:-.01em}
.hero .sub{font-size:12.5px;color:#b8c8e4;margin-top:2px}
.hero .pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:5px 10px;border-radius:99px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#dce8fa}
.pill .dot{width:7px;height:7px;border-radius:50%;background:#3ddc84;box-shadow:0 0 6px #3ddc84}
.pill.off .dot{background:#ffb84d;box-shadow:0 0 6px #ffb84d}
.pill button{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:2px;font-size:11.5px}

/* ---------- search + chips ---------- */
.searchwrap{position:sticky;top:0;z-index:30;padding:10px 14px;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.search{display:flex;align-items:center;gap:9px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;
  padding:11px 13px;box-shadow:var(--shadow);transition:border-color .18s var(--ease)}
.search:focus-within{border-color:var(--brand-2)}
.search svg{flex:none;width:17px;height:17px;color:var(--ink-2)}
.search input{flex:1;border:0;outline:0;background:none;font-size:16px;color:var(--ink);font-weight:500}
.search input::placeholder{color:var(--ink-2)}
.search .clr{width:26px;height:26px;border-radius:50%;background:var(--chip);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;font-size:14px;opacity:0;pointer-events:none;transition:opacity .15s}
.search.hasq .clr{opacity:1;pointer-events:auto}
.count{font-size:12px;color:var(--ink-2);margin:9px 4px 0;font-weight:600}
.count b{color:var(--brand-2)}
.chips{display:flex;gap:7px;overflow-x:auto;padding:10px 14px 2px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip-f{flex:none;font-size:12.5px;font-weight:650;color:var(--ink-2);background:var(--card);border:1.5px solid var(--line);
  padding:7px 13px;border-radius:99px;transition:all .18s var(--ease);white-space:nowrap}
.chip-f:active{transform:scale(.94)}
.chip-f.on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(14,42,82,.28)}

/* ---------- cards ---------- */
.list{padding:6px 14px calc(30px + env(safe-area-inset-bottom))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 15px;margin-bottom:9px;
  box-shadow:var(--shadow);display:block;color:inherit;text-decoration:none;position:relative;
  animation:cardin .34s var(--ease) backwards}
.card:active{transform:scale(.982)}
.card .top{display:flex;align-items:flex-start;gap:10px}
.card .nm{flex:1;font-size:15.5px;font-weight:700;letter-spacing:-.01em;line-height:1.25}
.card .nm mark{background:#ffe9a8;color:inherit;border-radius:3px;padding:0 1px}
.card .chev{flex:none;color:var(--ink-2);margin-top:2px;transition:transform .18s var(--ease)}
.card .meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:8px}
.card .use{font-size:12.5px;color:var(--ink-2);margin-top:6px}
.badge{font-size:10.5px;font-weight:750;letter-spacing:.04em;padding:3px 8px;border-radius:6px}
.badge.mt{background:var(--info-bg);color:var(--info-ink)}
.badge.ok{background:var(--ok-bg);color:var(--ok-ink)}
.badge.info{background:var(--info-bg);color:var(--info-ink)}
.badge.warn{background:var(--warn-bg);color:var(--warn-ink)}
.badge.bad{background:var(--bad-bg);color:var(--bad-ink)}
.badge.muted{background:var(--chip);color:var(--ink-2)}
.badge.sig{background:#241a00;color:#ffd88a}
.badge.sig.n{background:var(--chip);color:var(--ink-2)}
.folder{font-size:11px;color:var(--ink-2);font-weight:600;margin-top:7px;display:flex;align-items:center;gap:5px}
.card .saved{flex:none;margin-top:1px}
.card .saved svg{width:15px;height:15px;color:var(--accent)}
.empty{text-align:center;padding:60px 30px;color:var(--ink-2)}
.empty .big{font-size:42px;margin-bottom:12px;animation:float 3s ease-in-out infinite}
.empty p{font-size:14px}
@keyframes cardin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* skeletons */
.sk .card .nm,.sk .card .use,.sk .card .meta{border-radius:6px;background:linear-gradient(100deg,var(--chip) 40%,var(--card) 50%,var(--chip) 60%);
  background-size:220% 100%;animation:shimmer 1.1s infinite linear;color:transparent!important;user-select:none}
.sk .card .nm{width:70%}.sk .card .use{width:45%;margin-top:10px}.sk .card .meta{width:30%;height:18px;margin-top:10px}
@keyframes shimmer{from{background-position:120% 0}to{background-position:-120% 0}}

/* ---------- offline manager ---------- */
.offcard{background:var(--card);border:1px solid var(--line);border-radius:18px;margin:2px 14px 14px;padding:16px;box-shadow:var(--shadow)}
.offcard h3{font-size:14px;font-weight:800;display:flex;align-items:center;gap:8px}
.offcard h3 svg{width:17px;height:17px;color:var(--brand-2)}
.offcard .stat{font-size:12.5px;color:var(--ink-2);margin-top:6px;line-height:1.55}
.offcard .stat b{color:var(--ink)}
.offrow{display:flex;gap:8px;margin-top:12px;align-items:center}
.btn{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;padding:11px 12px;border-radius:12px;transition:all .18s var(--ease)}
.btn:active{transform:scale(.96)}
.btn.ghost{background:var(--chip);color:var(--brand)}
.btn[disabled]{opacity:.55;pointer-events:none}
.btn svg{width:15px;height:15px}
.progress{display:none;margin-top:12px}
.progress.on{display:block}
.pbar{height:7px;border-radius:99px;background:var(--chip);overflow:hidden}
.pbar i{display:block;height:100%;width:0%;border-radius:99px;background:linear-gradient(90deg,#1a4fd7,#3ddc84);
  transition:width .25s var(--ease)}
.ptxt{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-2);margin-top:6px;font-weight:600}
.ring{width:34px;height:34px;flex:none}
.ring circle{fill:none;stroke-width:4}
.ring .bg{stroke:var(--chip)}
.ring .fg{stroke:var(--brand-2);stroke-linecap:round;transform:rotate(-90deg);transform-origin:50% 50%;transition:stroke-dashoffset .3s var(--ease)}

/* ---------- detail sheet ---------- */
.sheet{position:fixed;inset:0;z-index:50;background:var(--bg);transform:translateY(100%);transition:transform .3s var(--ease);
  overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.sheet.open{transform:none}
.sheet .bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:12px 14px;
  padding-top:calc(12px + env(safe-area-inset-top));background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.sheet .bar .back{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-2);padding:8px 12px;border-radius:10px;background:var(--card);border:1px solid var(--line)}
.sheet .bar .back:active{transform:scale(.95)}
.sheet .bar .ttl{flex:1;font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dwrap{padding:16px 16px calc(40px + env(safe-area-inset-bottom))}
.dhero{background:linear-gradient(160deg,#123664,#0b1f3d);color:#fff;border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.dhero .badges{display:flex;gap:6px;flex-wrap:wrap}
.dhero h2{font-size:21px;font-weight:800;letter-spacing:-.01em;margin-top:10px;line-height:1.2}
.dhero .use{font-size:13px;color:#b8c8e4;margin-top:5px}
.dsec{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:15px;margin-top:12px;box-shadow:var(--shadow)}
.dsec h4{font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.filebtn{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:var(--chip);border-radius:12px;
  padding:12px;margin-bottom:8px;transition:transform .15s var(--ease)}
.filebtn:active{transform:scale(.97)}
.filebtn .fi{width:38px;height:38px;flex:none;border-radius:10px;background:var(--bad-bg);color:var(--bad-ink);
  display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;letter-spacing:.02em}
.filebtn .fn{flex:1;min-width:0}
.filebtn .fn b{display:block;font-size:13.5px}
.filebtn .fn span{font-size:11.5px;color:var(--ink-2)}
.filebtn .go{flex:none;font-size:12px;font-weight:700;color:var(--brand-2)}
.hcodes{display:flex;flex-wrap:wrap;gap:6px}
.hcode{font-size:11.5px;font-weight:700;background:var(--warn-bg);color:var(--warn-ink);padding:4px 9px;border-radius:7px}
.hcode.d{background:var(--bad-bg);color:var(--bad-ink)}
.kv{display:grid;grid-template-columns:1fr;gap:2px}
.kv dt{font-size:11px;font-weight:700;color:var(--ink-2);text-transform:uppercase;letter-spacing:.05em;margin-top:9px}
.kv dd{font-size:13.5px;margin-top:2px;line-height:1.45}
ul.docs{list-style:none}
ul.docs li{font-size:13px;color:var(--ink-2);padding:7px 0;border-bottom:1px dashed var(--line);line-height:1.4}
ul.docs li:last-child{border:0}
.qrsec{display:flex;flex-direction:column;align-items:center;gap:8px}
.qrsec img{width:150px;height:150px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:8px}
.qrsec .url{font-size:11px;color:var(--ink-2);word-break:break-all;text-align:center}
blockquote{margin-top:10px;padding:10px 12px;border-left:3px solid var(--brand-2);background:var(--chip);border-radius:0 10px 10px 0;font-size:13px;color:var(--ink-2);line-height:1.5}

/* ---------- pdf viewer overlay ---------- */
.pdfview{position:fixed;inset:0;z-index:80;background:#20242c;display:none;flex-direction:column}
.pdfview.open{display:flex;animation:fadein .2s var(--ease)}
.pdfview .bar{display:flex;align-items:center;gap:10px;padding:10px 12px;padding-top:calc(10px + env(safe-area-inset-top));
  background:#171b22;color:#fff}
.pdfview .bar .x{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.1);font-weight:700;font-size:13px}
.pdfview .bar .pg{flex:1;text-align:center;font-size:13px;font-weight:600;color:#cfd6e4}
.pdfview .bar button.nav{padding:8px 13px;border-radius:10px;background:rgba(255,255,255,.1);font-size:15px;color:#fff}
.pdfview .bar button.nav[disabled]{opacity:.35}
.pdfview .stage{flex:1;overflow:auto;display:flex;justify-content:center;padding:10px;-webkit-overflow-scrolling:touch}
.pdfview canvas{background:#fff;border-radius:4px;box-shadow:0 4px 20px rgba(0,0,0,.5);transform-origin:top center;transition:transform .2s var(--ease)}
.pdfview .err{margin:auto;color:#cfd6e4;font-size:14px;text-align:center;padding:30px;line-height:1.6}
.pdfview .spin{margin:auto;width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;animation:rot 1s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}
@keyframes fadein{from{opacity:0}to{opacity:1}}

/* ---------- install sheet ---------- */
.isheet{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--card);border-radius:22px 22px 0 0;
  padding:20px 20px calc(24px + env(safe-area-inset-bottom));box-shadow:0 -8px 40px rgba(10,20,40,.3);
  transform:translateY(105%);transition:transform .3s var(--ease)}
.isheet.open{transform:none}
.isheet h3{font-size:17px;font-weight:800}
.isheet ol{margin:14px 0 4px 20px;display:grid;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.5}
.isheet b{color:var(--ink)}
.isheet .btn{margin-top:16px;width:100%}
.scrim{position:fixed;inset:0;background:rgba(8,15,30,.45);z-index:85;opacity:0;pointer-events:none;transition:opacity .25s}
.scrim.on{opacity:1;pointer-events:auto}

/* ---------- toast ---------- */
#toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(22px + env(safe-area-inset-bottom));z-index:100;
  display:flex;flex-direction:column;gap:8px;width:min(92vw,420px)}
.toast{display:flex;align-items:center;gap:10px;background:#101a2e;color:#eaf1fd;font-size:13.5px;font-weight:600;
  padding:12px 15px;border-radius:14px;box-shadow:0 10px 30px rgba(5,12,28,.45);
  animation:toastin .3s var(--ease)}
.toast.out{animation:toastout .3s var(--ease) forwards}
.toast .tb{flex:none;font-weight:800;color:#7fb2ff;text-decoration:underline;text-underline-offset:2px}
@keyframes toastin{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toastout{to{opacity:0;transform:translateY(14px) scale(.97)}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}