/* КОРОЧЕ — стили */

:root{
  --ink:#0A0A0B;
  --graphite:#16161A;
  --graphite2:#1F1F25;
  --cream:#F1EEE6;
  --accent:#E03A52;
  --line:rgba(255,255,255,.08);
  --muted:rgba(255,255,255,.46);
  --muted2:rgba(255,255,255,.28);
  --r:26px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  background:var(--ink);color:#fff;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
  overscroll-behavior:none;
}
.display{
  font-family:'Archivo Black','Haettenschweiler','Arial Narrow',Impact,sans-serif;
  text-transform:uppercase;letter-spacing:-.025em;line-height:.9;font-weight:400;
}

#app{
  position:relative;max-width:480px;margin:0 auto;height:100%;
  overflow:hidden;background:var(--ink);
}
@media (min-width:520px){ #app{box-shadow:0 0 0 1px rgba(255,255,255,.05)} }

.screen{
  position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;
  padding:0 18px calc(40px + env(safe-area-inset-bottom));
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .34s var(--ease),transform .44s var(--ease);
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.screen::-webkit-scrollbar{display:none}
.screen.active{opacity:1;transform:none;pointer-events:auto}
.screen.work{display:flex;flex-direction:column;justify-content:center;padding-top:env(safe-area-inset-top)}

/* ---------- шапки ---------- */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;
  padding:calc(16px + env(safe-area-inset-top)) 0 12px;
  background:linear-gradient(var(--ink) 62%,transparent);
}
.brand{font-size:19px;letter-spacing:-.04em}
.brand span{color:var(--accent)}
.spacer{flex:1}
.ghostslot{width:40px;flex:none}
.iconbtn{
  width:40px;height:40px;flex:none;border-radius:50%;border:1px solid var(--line);
  background:var(--graphite);color:#fff;display:grid;place-items:center;cursor:pointer;padding:0;
  transition:transform .2s var(--ease),background .2s;
}
.iconbtn:active{transform:scale(.9)}
.iconbtn.solid{background:var(--cream);color:var(--ink);border-color:transparent}
.iconbtn svg{width:18px;height:18px;stroke-width:2}
.pilltitle{
  font-size:12px;font-weight:600;letter-spacing:.02em;padding:9px 16px;border-radius:99px;
  background:var(--graphite);border:1px solid var(--line);color:rgba(255,255,255,.8);white-space:nowrap;
}

/* ---------- библиотека ---------- */
.hero-empty{padding:34px 4px 0}
.hero-empty h1{font-size:clamp(40px,13vw,58px);margin:0 0 18px}
.hero-empty h1 em{font-style:normal;color:var(--accent)}
.hero-empty p{color:var(--muted);max-width:300px;margin:0 0 26px;font-size:14.5px}

.btn{
  display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  padding:18px;border-radius:99px;border:none;background:var(--cream);color:var(--ink);
  font:600 15px/1 'Inter',sans-serif;cursor:pointer;
  transition:transform .2s var(--ease),opacity .2s;
}
.btn:active{transform:scale(.975)}
.btn.ghost{background:var(--graphite);color:#fff;border:1px solid var(--line)}
.btn.accent{background:var(--accent);color:#fff}
.btn[disabled]{opacity:.35;pointer-events:none}
.btn svg{width:18px;height:18px;stroke-width:2.2;flex:none}
.btn + .btn{margin-top:8px}
#btn-run{margin-top:14px}

.sectionlabel{
  display:flex;align-items:center;gap:8px;margin:26px 2px 12px;
  font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted2);
}
.sectionlabel .count{color:var(--accent)}

.shelf{display:flex;flex-direction:column;gap:10px}
.bookrow{
  display:flex;gap:14px;align-items:center;padding:12px;border-radius:22px;
  background:var(--graphite);border:1px solid var(--line);cursor:pointer;
  transition:transform .25s var(--ease),background .25s;
}
.bookrow:active{transform:scale(.985);background:var(--graphite2)}
.bookrow .col{min-width:0;flex:1}
.cover{
  width:60px;height:82px;flex:none;border-radius:12px;overflow:hidden;
  display:flex;align-items:flex-end;padding:8px;position:relative;
  background:var(--cv,#E03A52);color:var(--cvf,#fff);
}
.cover .cvt{font-size:10px;line-height:.95;letter-spacing:-.02em;word-break:break-word;max-height:48px;overflow:hidden}
.cover:after{
  content:'';position:absolute;top:8px;left:8px;width:14px;height:2px;background:currentColor;opacity:.85;
  box-shadow:0 4px 0 currentColor,0 8px 0 currentColor;
}
.bookrow h3{margin:0 0 3px;font-size:15.5px;font-weight:600;letter-spacing:-.01em;line-height:1.25}
.bookrow .auth{margin:0;font-size:12.5px;color:var(--muted)}
.metaline{display:flex;gap:6px;align-items:center;margin-top:8px;font-size:11px;color:var(--muted2);flex-wrap:wrap}
.metaline b{color:rgba(255,255,255,.65);font-weight:600}
.dot{width:3px;height:3px;border-radius:50%;background:currentColor;display:inline-block;flex:none}
.rowprog{height:2px;border-radius:2px;background:rgba(255,255,255,.1);margin-top:9px;overflow:hidden}
.rowprog i{display:block;height:100%;background:var(--accent);border-radius:2px;transition:width .5s var(--ease)}

/* ---------- добавление ---------- */
.drop{
  margin-top:8px;border-radius:var(--r);border:1.5px dashed rgba(255,255,255,.16);
  background:var(--graphite);padding:44px 24px;text-align:center;cursor:pointer;
  transition:border-color .25s,background .25s,transform .25s var(--ease);
}
.drop.over{border-color:var(--accent);background:rgba(224,58,82,.08);transform:scale(1.01)}
.drop .ring{width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;background:var(--cream);color:var(--ink)}
.drop .ring svg{width:24px;height:24px;stroke-width:2}
.drop h3{margin:0 0 6px;font-size:16px;font-weight:600}
.drop p{margin:0;color:var(--muted);font-size:13px}
.formats{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:18px}
.fmt{font-size:11px;font-weight:600;letter-spacing:.06em;padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.06);color:var(--muted)}

.explain{margin-top:14px;padding:18px 20px;border-radius:22px;background:var(--graphite);border:1px solid var(--line)}
.explain ol{margin:0;padding:0;list-style:none;counter-reset:s}
.explain li{counter-increment:s;display:flex;gap:12px;padding:9px 0;font-size:13.5px;color:rgba(255,255,255,.72)}
.explain li:before{
  content:counter(s);flex:none;width:20px;height:20px;border-radius:50%;
  background:rgba(255,255,255,.07);color:var(--accent);font-size:10px;font-weight:700;
  display:grid;place-items:center;margin-top:1px;
}
.filepicked{display:flex;align-items:center;gap:12px;margin-top:14px;padding:16px;border-radius:20px;background:var(--graphite);border:1px solid var(--line)}
.filepicked .fi{width:40px;height:40px;border-radius:12px;background:var(--accent);display:grid;place-items:center;flex:none;font:700 10px/1 'Inter',sans-serif;letter-spacing:.04em}
.filepicked h4{margin:0;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filepicked p{margin:2px 0 0;font-size:12px;color:var(--muted)}

/* ---------- обработка ---------- */
.ringwrap{width:196px;height:196px;margin:0 auto 30px;position:relative}
.ringwrap .bg{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--p)*1%),rgba(255,255,255,.07) 0);transition:background .6s linear}
.ringwrap .in{position:absolute;inset:13px;border-radius:50%;background:var(--ink);display:grid;place-items:center;text-align:center}
.ringwrap .pct{font-size:44px;letter-spacing:-.04em}
.ringwrap .pct small{font-size:16px;opacity:.4}
.worktitle{text-align:center;font-size:26px;margin:0 0 10px}
.workstage{text-align:center;color:var(--muted);font-size:13.5px;min-height:20px;margin:0 0 26px;transition:opacity .25s;padding:0 20px}
.log{max-width:330px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:7px}
.logrow{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--muted2);animation:rise .5s var(--ease) both}
.logrow.done{color:rgba(255,255,255,.6)}
.logrow .tick{width:16px;height:16px;border-radius:50%;flex:none;border:1.5px solid currentColor;display:grid;place-items:center}
.logrow.done .tick{background:var(--accent);border-color:var(--accent);color:#fff}
.logrow .tick svg{width:9px;height:9px;stroke-width:3.5}
.cancel{max-width:200px;margin:30px auto 0;padding:13px;font-size:13px}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- мини-книга ---------- */
.heroCard{border-radius:var(--r);background:var(--graphite);padding:22px 20px 20px;text-align:center;border:1px solid var(--line);overflow:hidden}
.authchip{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:99px;background:rgba(255,255,255,.06);font-size:12px;color:rgba(255,255,255,.75);margin-bottom:18px;max-width:100%}
.authchip i{width:22px;height:22px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font:700 9px/1 'Inter',sans-serif;font-style:normal;color:#fff;flex:none}
.heroCard h1{margin:0;font-size:clamp(28px,9vw,44px);word-break:break-word;hyphens:auto}
.heroCard .sub{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:16px;font-size:11.5px;color:var(--muted)}

.statrow{display:flex;gap:8px;margin-top:10px}
.stat{flex:1;border-radius:20px;background:var(--graphite);border:1px solid var(--line);padding:14px 8px;text-align:center}
.stat b{display:block;font-size:19px;letter-spacing:-.03em;font-family:'Archivo Black',Impact,sans-serif}
.stat span{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted2)}
.stat.hl b{color:var(--accent)}

.creamcard{margin-top:10px;border-radius:var(--r);background:var(--cream);color:var(--ink);padding:22px 20px}
.creamcard .lab{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.creamcard p{margin:0;font-size:17px;line-height:1.38;font-weight:500;letter-spacing:-.015em}

.tagrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:11px;padding:6px 11px;border-radius:99px;background:var(--graphite);border:1px solid var(--line);color:var(--muted)}

.toc{display:flex;flex-direction:column;gap:8px}
.tocitem{display:flex;align-items:center;gap:14px;padding:16px;border-radius:20px;background:var(--graphite);border:1px solid var(--line);cursor:pointer;transition:transform .22s var(--ease),background .22s}
.tocitem:active{transform:scale(.985);background:var(--graphite2)}
.tocitem .num{width:28px;height:28px;flex:none;border-radius:9px;background:rgba(255,255,255,.06);display:grid;place-items:center;font:700 12px/1 'Inter',sans-serif;color:var(--muted)}
.tocitem .num svg{width:13px;height:13px;stroke-width:3}
.tocitem.read .num{background:var(--accent);color:#fff}
.tocitem .col{min-width:0}
.tocitem h4{margin:0;font-size:14.5px;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.tocitem p{margin:3px 0 0;font-size:12px;color:var(--muted2);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tocitem .chev{margin-left:auto;color:var(--muted2);flex:none;display:grid}
.tocitem .chev svg{width:16px;height:16px;stroke-width:2}

/* ---------- чтение раздела ---------- */
.progline{position:sticky;top:0;z-index:30;height:2px;background:rgba(255,255,255,.08);margin:0 -18px}
.progline i{display:block;height:100%;width:0;background:var(--accent);transition:width .4s var(--ease)}
.secHead{padding:6px 2px 4px}
.secHead .eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.secHead h2{margin:0;font-size:clamp(26px,7.6vw,34px)}
.secHead .lede{margin:14px 0 0;color:var(--muted);font-size:14.5px;line-height:1.5}

.blocks{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.blk{border-radius:var(--r);padding:20px;background:var(--graphite);border:1px solid var(--line);animation:rise .55s var(--ease) both}
.blk .lab{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted2);margin-bottom:10px}
.blk h4{margin:0 0 8px;font-size:16.5px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.blk p{margin:0;font-size:14.5px;line-height:1.55;color:rgba(255,255,255,.78)}
.blk.idea{background:var(--cream);color:var(--ink);border-color:transparent}
.blk.idea .lab{color:var(--accent)}
.blk.idea p{color:rgba(10,10,11,.72)}
.blk.quote{padding-top:24px}
.blk.quote .mark{font-family:'Archivo Black',Impact,serif;font-size:48px;line-height:.6;color:var(--accent);display:block;margin-bottom:6px}
.blk.quote p{font-size:17px;line-height:1.45;color:#fff;letter-spacing:-.015em}
.blk.quote .src{margin-top:12px;font-size:12px;color:var(--muted2)}
.blk.stat{background:var(--accent);border-color:transparent;text-align:center;padding:26px 20px}
.blk.stat .v{font-family:'Archivo Black',Impact,sans-serif;font-size:44px;letter-spacing:-.04em;line-height:1}
.blk.stat p{color:rgba(255,255,255,.88);margin-top:8px;font-size:14px}
.blk.vsblk{padding:14px}
.blk.note{background:transparent;border-style:dashed}

.ilist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.ilist li{display:flex;gap:11px;font-size:14.5px;line-height:1.45;color:rgba(255,255,255,.8)}
.ilist li .bx{width:18px;height:18px;flex:none;border-radius:6px;background:rgba(255,255,255,.08);display:grid;place-items:center;margin-top:1px;color:var(--accent)}
.ilist li .bx svg{width:11px;height:11px;stroke-width:3}

.steps{list-style:none;margin:0;padding:0}
.steps li{display:flex;gap:14px;padding-bottom:18px;position:relative}
.steps li:last-child{padding-bottom:0}
.steps li:before{content:'';position:absolute;left:13px;top:28px;bottom:4px;width:1px;background:var(--line)}
.steps li:last-child:before{display:none}
.steps .n{width:27px;height:27px;flex:none;border-radius:50%;border:1px solid var(--line);background:var(--graphite2);display:grid;place-items:center;font:700 11px/1 'Inter',sans-serif;color:var(--accent);z-index:1}
.steps h5{margin:4px 0;font-size:14.5px;font-weight:600}
.steps p{font-size:13.5px}

.vs{display:flex;flex-direction:column;gap:2px}
.vs .side{padding:16px;background:rgba(255,255,255,.04)}
.vs .side:first-child{border-radius:16px 16px 4px 4px}
.vs .side:last-child{border-radius:4px 4px 16px 16px;background:rgba(224,58,82,.12)}
.vs .side .t{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted2);margin-bottom:7px}
.vs .side:last-child .t{color:var(--accent)}

.nextbtn{margin-top:22px}
.finish{margin-top:22px;border-radius:var(--r);background:var(--cream);color:var(--ink);padding:26px 22px}
.finish h3{margin:0 0 16px;font-size:24px}
.finish .ilist li{color:rgba(10,10,11,.78)}
.finish .ilist li .bx{background:var(--ink);color:#fff}

/* ---------- служебное ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:99;
  background:var(--cream);color:var(--ink);padding:13px 20px;border-radius:99px;
  font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:all .35s var(--ease);
  max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

.sheet{position:fixed;inset:0;z-index:80;display:none}
.sheet.show{display:block}
.sheet .bd{position:absolute;inset:0;background:rgba(0,0,0,.6);opacity:0;transition:opacity .3s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.sheet.show .bd{opacity:1}
.sheet .pn{
  position:absolute;left:0;right:0;bottom:0;max-width:480px;margin:0 auto;background:var(--graphite);
  border-radius:28px 28px 0 0;padding:26px 20px calc(26px + env(safe-area-inset-bottom));
  transform:translateY(100%);transition:transform .4s var(--ease);border-top:1px solid var(--line);
}
.sheet.show .pn{transform:none}
.sheet h3{margin:0 0 6px;font-size:20px}
.sheet p{margin:0 0 20px;color:var(--muted);font-size:14px}

.stagger{animation:rise .55s var(--ease) both}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}