/* ===== despega.ru — дизайн-система прототипа ===== */
:root{
  --paper:#FFFBF5; --paper2:#FDF3E7; --paper3:#F7EADA;
  --ink:#1D1521; --ink2:#6B6070; --ink3:#9A8FA0;
  --sun:#F2A52B; --flame:#E04B4F; --sea:#18897A; --plum:#6B41A0;
  --line:#EADFD1; --line2:#DCCDBA;
  --ok-bg:#E6F4F1; --ok-fg:#0E5F54;
  --warn-bg:#FFF1D6; --warn-fg:#8A5A06;
  --ai-bg:#F6EFFE; --ai-fg:#4A2A72; --ai-line:#E4D4F5;
  --r1:10px; --r2:14px; --r3:18px; --r4:26px;
  --shadow:0 1px 2px rgba(29,21,33,.05), 0 8px 24px rgba(29,21,33,.06);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--paper); color:var(--ink); font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .4em; line-height:1.2}
h1{font-family:var(--serif); font-size:34px; font-weight:700}
h2{font-family:var(--serif); font-size:25px; font-weight:700}
h3{font-size:18px; font-weight:700}
h4{font-size:15px; font-weight:700}
p{margin:0 0 .8em}
a{color:inherit}
small{font-size:12.5px}
.muted{color:var(--ink2)}
.dim{color:var(--ink3)}
.mono{font-family:var(--mono); font-size:12.5px}
.serif{font-family:var(--serif)}
.center{text-align:center}
.nowrap{white-space:nowrap}
.hide{display:none !important}

/* ---------- layout ---------- */
.wrap{max-width:1180px; margin:0 auto; padding:0 20px}
.wrap-narrow{max-width:760px; margin:0 auto; padding:0 20px}
.row{display:flex; gap:14px; align-items:center}
.row.wrap-row{flex-wrap:wrap}
.between{display:flex; gap:14px; align-items:center; justify-content:space-between; flex-wrap:wrap}
.grid{display:grid; gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.spacer{flex:1}
.mt{margin-top:18px}.mt2{margin-top:30px}.mb{margin-bottom:18px}.mb2{margin-bottom:30px}
section.block{padding:26px 0}

/* ---------- header ---------- */
header.top{
  position:sticky; top:0; z-index:40; background:rgba(255,251,245,.93);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
}
.top-inner{display:flex; align-items:center; gap:14px; min-height:60px; padding:8px 0 0; flex-wrap:wrap}
.logo{display:flex; align-items:center; gap:9px; font-weight:800; font-size:17px; text-decoration:none}
.logo .mark{
  width:32px;height:32px;border-radius:10px;background:var(--flame);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800
}
.logo .dom{font-size:11px;font-weight:600;color:var(--ink3);display:block;line-height:1}
nav.main{display:flex; gap:2px; flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; -ms-overflow-style:none; order:3; width:100%; margin:0 -11px; padding:2px 0 8px}
nav.main::-webkit-scrollbar{display:none}
nav.main a{
  padding:7px 11px; border-radius:999px; text-decoration:none; font-size:13.5px;
  font-weight:600; color:var(--ink2); white-space:nowrap
}
nav.main a:hover{background:var(--paper2); color:var(--ink)}
nav.main a.on{background:var(--ink); color:var(--paper)}
.rolebar{display:flex; gap:4px; background:var(--paper2); padding:3px; border-radius:999px; border:1px solid var(--line)}
.rolebar button{
  border:0; background:transparent; padding:5px 11px; border-radius:999px; cursor:pointer;
  font-size:12.5px; font-weight:700; color:var(--ink2); font-family:inherit
}
.rolebar button.on{background:#fff; color:var(--ink); box-shadow:var(--shadow)}

/* ---------- cards ---------- */
.card{background:#fff; border:1px solid var(--line); border-radius:var(--r3); padding:18px}
.card.pad-s{padding:14px}
.card.flat{box-shadow:none}
.card.lift{box-shadow:var(--shadow)}
.card.warm{background:linear-gradient(135deg,#FFF6E8,#FFEFE1); border-color:#F6DFC4}
.card.ai{background:var(--ai-bg); border-color:var(--ai-line)}
.card.ok{background:var(--ok-bg); border-color:#BFE3DC}
.card.sun{background:var(--warn-bg); border-color:#F2DCAE}
.card-head{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px}
.kicker{font-size:11px; font-weight:800; letter-spacing:.1em; text-transform:uppercase; color:var(--ink3)}
.kicker.flame{color:var(--flame)} .kicker.plum{color:var(--plum)} .kicker.sea{color:var(--sea)}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex; align-items:center; gap:5px; border-radius:999px; padding:3px 10px;
  font-size:11.5px; font-weight:700; background:var(--paper2); color:var(--ink2); border:1px solid var(--line)
}
.chip.sun{background:var(--warn-bg); color:var(--warn-fg); border-color:#F2DCAE}
.chip.sea{background:var(--ok-bg); color:var(--ok-fg); border-color:#BFE3DC}
.chip.ai{background:var(--ai-bg); color:var(--ai-fg); border-color:var(--ai-line)}
.chip.flame{background:#FDE7E7; color:#A32F33; border-color:#F6CBCB}
.chip.plain{background:#fff}
.chip.lg{font-size:13px; padding:5px 13px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  border:0; border-radius:var(--r2); padding:10px 16px; font-size:13.5px; font-weight:700;
  font-family:inherit; cursor:pointer; text-decoration:none; transition:transform .12s, filter .12s;
}
.btn:active{transform:translateY(1px)}
.btn-main{background:var(--flame); color:#fff; box-shadow:0 4px 0 0 #B23A3D}
.btn-main:active{box-shadow:0 2px 0 0 #B23A3D}
.btn-dark{background:var(--ink); color:var(--paper)}
.btn-soft{background:var(--paper2); color:var(--ink); border:1px solid var(--line)}
.btn-soft:hover{background:var(--paper3)}
.btn-ghost{background:transparent; color:var(--ink2); border:1px solid var(--line)}
.btn-ai{background:var(--plum); color:#fff}
.btn-sea{background:var(--sea); color:#fff}
.btn-sm{padding:6px 11px; font-size:12.5px; border-radius:var(--r1)}
.btn-lg{padding:13px 22px; font-size:15px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45; cursor:not-allowed}

/* ---------- progress ---------- */
.bar{height:10px; border-radius:999px; background:var(--line); overflow:hidden}
.bar>i{display:block; height:100%; border-radius:999px; background:linear-gradient(90deg,var(--sun),var(--flame)); transition:width .45s cubic-bezier(.2,.8,.2,1)}
.bar.thin{height:6px}
.bar.sea>i{background:var(--sea)}
.ring{--v:0; width:56px;height:56px;border-radius:50%; display:grid; place-items:center; font-size:13px; font-weight:800;
  background:conic-gradient(var(--sun) calc(var(--v)*1%), var(--line) 0)}
.ring span{width:42px;height:42px;border-radius:50%;background:#fff;display:grid;place-items:center}

/* ---------- tables ---------- */
table.tbl{width:100%; border-collapse:collapse; font-size:13.5px}
table.tbl th{text-align:left; font-size:11px; letter-spacing:.07em; text-transform:uppercase; color:var(--ink3); padding:8px 10px; border-bottom:1px solid var(--line)}
table.tbl td{padding:11px 10px; border-bottom:1px solid var(--line); vertical-align:middle}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tr.clickable{cursor:pointer}
table.tbl tr.clickable:hover{background:var(--paper2)}
.tbl-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--r3); background:#fff}

/* ---------- forms ---------- */
input[type=text],input[type=email],input[type=number],input[type=password],textarea,select{
  width:100%; font-family:inherit; font-size:14px; color:var(--ink); background:#fff;
  border:1px solid var(--line2); border-radius:var(--r2); padding:10px 12px; outline:none
}
input:focus,textarea:focus,select:focus{border-color:var(--sun); box-shadow:0 0 0 3px rgba(242,165,43,.18)}
label.fld{display:block; margin-bottom:12px}
label.fld>span{display:block; font-size:12.5px; font-weight:700; color:var(--ink2); margin-bottom:5px}

/* ---------- lesson ---------- */
.lesson-grid{display:grid; grid-template-columns:200px minmax(0,1fr) 270px; gap:16px; align-items:start}
@media(max-width:1000px){.lesson-grid{grid-template-columns:1fr}}
.steps{display:flex; flex-direction:column; gap:7px}
.steps .st{display:flex; gap:8px; align-items:center; font-size:13px; padding:7px 9px; border-radius:var(--r1); color:var(--ink2)}
.steps .st.done{color:var(--sea); font-weight:600}
.steps .st.now{background:var(--paper2); font-weight:800; color:var(--ink)}
.opt{
  display:block; width:100%; text-align:left; background:#fff; border:1px solid var(--line2);
  border-radius:var(--r2); padding:12px 14px; font-size:15px; font-family:inherit; cursor:pointer;
  margin-bottom:8px; transition:border-color .15s, background .15s, transform .1s
}
.opt:hover{border-color:var(--sun)}
.opt.right{background:var(--ok-bg); border-color:var(--sea); font-weight:700}
.opt.wrong{background:#FFF1F1; border-color:#E8A9AB}
.opt.disabled{pointer-events:none; opacity:.75}
.blank{display:inline-block; min-width:110px; text-align:center; border-bottom:3px solid var(--line2); font-weight:700; padding:0 6px}
.blank.filled{border-color:var(--sun)}
.sent{font-size:20px; line-height:1.8}
.fb{border-left:4px solid var(--sea); background:var(--ok-bg); border-radius:0 var(--r2) var(--r2) 0; padding:11px 14px; font-size:13.5px}
.fb.bad{border-color:var(--sun); background:var(--warn-bg)}
.pop{animation:pop .35s ease}
@keyframes pop{0%{transform:scale(.96)}60%{transform:scale(1.03)}100%{transform:scale(1)}}

/* ---------- chat ---------- */
.chat{display:flex; flex-direction:column; gap:8px; max-height:300px; overflow-y:auto; padding-right:4px}
.msg{font-size:13px; padding:9px 11px; border-radius:var(--r2); max-width:92%}
.msg.ai{background:#fff; border:1px solid var(--ai-line)}
.msg.me{background:var(--ink); color:var(--paper); align-self:flex-end}
.typing span{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--ai-fg);margin:0 1px;animation:tp 1s infinite}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes tp{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* ---------- player ---------- */
.player{background:#120D16; border-radius:var(--r3); padding:14px}
.screen{aspect-ratio:16/8.4; border-radius:var(--r2); background:linear-gradient(145deg,#2A1F33,#4A3550); display:flex; align-items:flex-end; justify-content:center; padding-bottom:18px; position:relative; overflow:hidden}
.sub-es{color:#fff; font-size:19px; font-weight:700; text-shadow:0 2px 10px #000; text-align:center}
.sub-ru{color:#C9BCD6; font-size:13.5px; margin-top:4px; text-align:center}
.pl-ctl{display:flex; align-items:center; gap:10px; margin-top:11px; color:#fff; font-size:12.5px; flex-wrap:wrap}
.pl-ctl .seek{flex:1; min-width:90px; height:5px; border-radius:999px; background:#3A2C45; position:relative}
.pl-ctl .seek i{position:absolute; left:0; top:0; bottom:0; border-radius:999px; background:var(--sun)}
.pl-btn{background:#2A1F33; color:#F3E7FF; border:0; border-radius:999px; padding:5px 11px; font-size:12px; font-weight:700; cursor:pointer; font-family:inherit}
.pl-btn.on{background:var(--flame); color:#fff}

/* ---------- misc ---------- */
.kv{display:grid; grid-template-columns:auto 1fr; gap:6px 14px; font-size:13.5px}
.kv dt{color:var(--ink2)} .kv dd{margin:0; font-weight:600}
.sep{height:1px; background:var(--line); margin:14px 0}
.dots{display:grid; grid-template-columns:repeat(10,1fr); gap:5px}
.dots i{aspect-ratio:1; border-radius:7px; background:var(--line)}
.dots i.on{background:var(--sun)}
.toast-wrap{position:fixed; right:18px; bottom:18px; z-index:90; display:flex; flex-direction:column; gap:8px}
.toast{background:var(--ink); color:var(--paper); padding:11px 15px; border-radius:var(--r2); font-size:13.5px; font-weight:600; box-shadow:0 10px 30px rgba(0,0,0,.25); animation:slide .25s ease}
@keyframes slide{from{opacity:0; transform:translateY(8px)}}
.proto-note{
  background:var(--warn-bg); border:1px dashed #E3C98E; color:var(--warn-fg);
  border-radius:var(--r2); padding:9px 12px; font-size:12.5px
}
.hero{background:linear-gradient(135deg,#FFF6E8 0%,#FFEDE2 55%,#F6EFFE 100%); border-radius:var(--r4); padding:40px 32px; border:1px solid #F3DFC8}
.map-track{position:relative; padding-left:26px}
.map-track::before{content:""; position:absolute; left:9px; top:6px; bottom:6px; width:3px; border-radius:2px; background:var(--line)}
.map-node{position:relative; margin-bottom:10px}
.map-node::before{content:""; position:absolute; left:-21px; top:16px; width:13px; height:13px; border-radius:50%; background:var(--line2); border:3px solid var(--paper)}
.map-node.done::before{background:var(--sea)}
.map-node.now::before{background:var(--flame); box-shadow:0 0 0 5px rgba(224,75,79,.18)}
.lock{opacity:.55}
.sheet{position:fixed; inset:0; background:rgba(29,21,33,.4); display:flex; align-items:center; justify-content:center; padding:20px; z-index:80}
.sheet-box{background:var(--paper); border-radius:var(--r4); padding:24px; max-width:620px; width:100%; max-height:86vh; overflow:auto; box-shadow:0 30px 80px rgba(0,0,0,.3)}
footer.foot{border-top:1px solid var(--line); margin-top:40px; padding:22px 0 40px; font-size:12.5px; color:var(--ink3)}
@media(max-width:720px){
  h1{font-size:27px} h2{font-size:21px}
  .top-inner{flex-wrap:wrap}
  nav.main{order:3; width:100%}
  .hero{padding:26px 20px}
}

/* ---------- самолётик: маршрут обучения ---------- */
svg.flight{width:100%; height:auto; display:block; margin-top:6px; overflow:visible}
.fl-rest{fill:none; stroke:var(--line2); stroke-width:3; stroke-dasharray:2 9; stroke-linecap:round}
.fl-done{fill:none; stroke:url(#flg); stroke-width:4; stroke-linecap:round}
.fl-dot{fill:#fff; stroke:var(--line2); stroke-width:3}
.fl-city.done .fl-dot{fill:var(--sea); stroke:var(--sea)}
.fl-city.next .fl-dot{fill:#fff; stroke:var(--flame); stroke-width:4}
.fl-check{fill:#fff; font:800 11px ui-sans-serif,system-ui,sans-serif}
.fl-label{fill:var(--ink); font:700 15px ui-sans-serif,system-ui,sans-serif}
.fl-city.future .fl-label{fill:var(--ink3)}
.fl-code{fill:var(--flame); font:800 11.5px ui-sans-serif,system-ui,sans-serif; letter-spacing:.08em}
.fl-city.future .fl-code{fill:var(--ink3)}
.fl-pulse{fill:rgba(224,75,79,.16); transform-box:fill-box; transform-origin:center; animation:flpulse 1.8s ease-out infinite}
@keyframes flpulse{0%{transform:scale(.6); opacity:1}100%{transform:scale(1.9); opacity:0}}
.fl-plane-bg{fill:#fff; stroke:var(--line); stroke-width:1.5; filter:drop-shadow(0 3px 6px rgba(29,21,33,.18))}
.fl-plane{fill:var(--ink)}
.fl-tick{fill:#fff; stroke:var(--line2); stroke-width:2}
.fl-tick.on{fill:var(--sun); stroke:var(--sun)}
@media (prefers-reduced-motion: reduce){ .fl-pulse{animation:none} }

/* ---------- загрузка файлов ---------- */
.dropzone{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; text-align:center;
  border:2px dashed var(--line2); border-radius:var(--r3); background:var(--paper2);
  padding:30px 20px; cursor:pointer; transition:background .15s, border-color .15s
}
.dropzone:hover,.dropzone.over{background:var(--warn-bg); border-color:var(--sun)}
td input[type=text], td select{padding:7px 9px; font-size:13px}
/* появление самолёта и прорисовка пройденной дуги — только CSS */
#fl-plane.arrive > *{animation:fl-in .9s cubic-bezier(.2,.8,.2,1) both}
@keyframes fl-in{from{opacity:0; transform:translateX(-26px) scale(.7)} to{opacity:1; transform:none}}
#fl-cur{animation:fl-draw 1.1s ease-out both}
@keyframes fl-draw{from{opacity:0} to{opacity:1}}
@media (prefers-reduced-motion: reduce){ #fl-plane.arrive > *, #fl-cur{animation:none} }

/* ---------- ученик: вход и аватар в шапке ---------- */
.userchip{display:inline-flex; align-items:center; gap:7px; text-decoration:none; font-weight:700; font-size:13.5px;
  padding:3px 11px 3px 3px; border-radius:999px; border:1px solid var(--line); background:#fff}
.userchip:hover{background:var(--paper2)}
.btn-vk{background:#0077FF; color:#fff}

/* ---------- карточки: кольцо дня, лестница, подходы ---------- */
.dayring{--p:0; border-radius:50%; display:grid; place-items:center; flex:0 0 auto;
  background:conic-gradient(var(--sea) calc(var(--p) * 1%), var(--line) 0); transition:background .5s}
.dayring-in{width:78%; height:78%; border-radius:50%; background:#fff; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center; line-height:1.05; box-shadow:inset 0 0 0 1px var(--line)}
.dayring-in small{font-size:10.5px; color:var(--ink2); margin-top:3px}
.ladder{display:grid; grid-template-columns:repeat(7,1fr); gap:6px; margin-top:12px; align-items:end}
.ladder-col{display:flex; flex-direction:column; align-items:center; gap:4px; text-align:center; min-width:0}
.ladder-col b{font-size:15px}
.ladder-col small{font-size:10.5px; color:var(--ink2); line-height:1.2}
.ladder-bar{width:100%; height:86px; background:var(--paper2); border-radius:8px; display:flex; align-items:flex-end; overflow:hidden}
.ladder-bar i{display:block; width:100%; background:linear-gradient(180deg,var(--sun),var(--flame)); border-radius:8px 8px 0 0; transition:height .5s}
.ladder-col.new .ladder-bar i{background:var(--line2)}
.ladder-col.done .ladder-bar i{background:var(--sea)}
.deckbar{display:flex; height:8px; border-radius:999px; overflow:hidden; background:var(--line)}
.deckbar i{display:block; height:100%}
.deckbar .l{background:var(--sea)} .deckbar .m{background:var(--sun)} .deckbar .f{background:var(--line2)}
.stagedots{display:inline-flex; gap:3px; vertical-align:middle}
.stagedots i{width:9px; height:9px; border-radius:50%; background:var(--line)}
.stagedots i.on{background:var(--sun)} .stagedots i.done{background:var(--sea)}
.flash, .flash-space{height:34px; margin:10px 0 6px}
.flash{display:flex; align-items:center; justify-content:center; border-radius:var(--r2); font-size:13.5px; font-weight:700;
  background:var(--paper2); color:var(--ink2); animation:flashin .35s ease, flashout .5s ease 2.2s forwards}
.flash.up{background:var(--ok-bg); color:var(--ok-fg)}
.flash.big{background:linear-gradient(90deg,#FFF1D6,#F6EFFE); color:var(--ink); font-size:14.5px}
.flash.soft{background:var(--paper2); color:var(--ink2); font-weight:600}
@keyframes flashin{from{opacity:0; transform:translateY(-6px) scale(.97)} to{opacity:1; transform:none}}
@keyframes flashout{to{opacity:0}}
.combo{animation:pop .4s ease}
.confetti{position:absolute; inset:0; pointer-events:none; overflow:hidden}
.confetti i{position:absolute; top:-12px; width:8px; height:14px; border-radius:2px; opacity:.9; animation:fall 2.4s ease-in forwards}
@keyframes fall{to{transform:translateY(520px) rotate(540deg); opacity:0}}
@media (prefers-reduced-motion: reduce){ .flash, .confetti i, .combo{animation:none} }
@media (max-width:640px){ .ladder{gap:3px} .ladder-col small{font-size:9.5px} }

/* ---------- курс: задания ---------- */
.task{padding:12px 16px}
.task.open{border-color:var(--sun); box-shadow:var(--shadow)}
.task-body{border-top:1px dashed var(--line); margin-top:10px; padding-top:4px}
.tnum{width:28px;height:28px;border-radius:50%;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;background:var(--paper2);border:1px solid var(--line);color:var(--ink2)}
.tnum.done{background:var(--sea);border-color:var(--sea);color:#fff}
.task-img{display:block;max-width:100%;max-height:440px;border-radius:var(--r2);margin:6px 0 12px;border:1px solid var(--line)}
.glines{display:flex;flex-direction:column;gap:9px}
.gline{font-size:16.5px;line-height:2.1;font-family:var(--serif)}
input.gap{display:inline-block;width:auto;padding:3px 7px;margin:0 3px;font-size:15.5px;border-radius:8px;border:1px solid var(--line2);
  border-bottom:2px solid var(--sun);font-family:inherit;max-width:100%;vertical-align:baseline}
input.gap.ok{background:var(--ok-bg);border-color:var(--sea);color:var(--ok-fg);font-weight:700}
input.gap.almost{background:var(--warn-bg);border-color:var(--sun)}
input.gap.bad{background:#FFF1F1;border-color:#E8A9AB}
input.gap.reveal{background:#F3F0F5;border-color:var(--line2);color:var(--ink2)}
input.gap.empty{border-color:#E8A9AB}
.fix{font-family:ui-sans-serif,system-ui,sans-serif;font-size:11.5px;color:var(--warn-fg);margin-right:6px}
.bank{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;padding:10px;background:var(--paper2);border-radius:var(--r2)}
.bankw{cursor:pointer;font-family:var(--serif)}
.bankw.used{opacity:.35}
.qitem{padding-bottom:12px;border-bottom:1px solid var(--line)}
.qitem:last-child{border-bottom:0}
.opt.optc{width:auto;display:inline-block;margin:0;padding:8px 12px;font-size:14.5px}
.opt.picked{border-color:var(--plum);background:var(--ai-bg)}
.shake{animation:shake .35s}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.crow{padding:7px 10px;border-radius:var(--r1);border:1px solid var(--line);background:#fff}
.crow.okrow{background:var(--ok-bg);border-color:#BFE3DC}
.notes{margin:10px 0 0;padding-left:20px;font-size:14px;color:var(--ink2)}
.notes li{margin-bottom:4px}
.readp{font-size:16.5px;line-height:1.75;margin:0 0 8px}
.wgrid{display:grid;gap:3px;user-select:none}
.wcell{width:30px;height:30px;border:1px solid var(--line);background:#fff;border-radius:6px;font-weight:800;font-size:14px;
  cursor:pointer;font-family:var(--mono);color:var(--ink);padding:0}
.wcell:hover{border-color:var(--sun)}
.wcell.sel{background:var(--sun);color:#fff;border-color:var(--sun)}
.wcell.found{background:var(--ok-bg);border-color:var(--sea);color:var(--ok-fg)}
@media(max-width:560px){.wcell{width:24px;height:24px;font-size:12px}}

/* ---------- слово по нажатию ---------- */
.w{cursor:pointer;border-radius:3px}
.w:hover{background:rgba(242,165,43,.16)}
.w.on{background:rgba(242,165,43,.32)}
.wpop{position:absolute;z-index:95;max-width:300px;background:#fff;border:1px solid var(--line);border-radius:var(--r2);
  padding:9px 12px;font-size:13.5px;box-shadow:0 10px 28px rgba(29,21,33,.16);animation:slide .15s ease}
.wpop-add{border:1px solid var(--line);background:var(--paper2);border-radius:999px;padding:3px 10px;font-size:12px;
  font-weight:700;cursor:pointer;color:var(--ink2);font-family:inherit}
.wpop-add:hover{border-color:var(--sun);color:var(--ink)}

/* ---------- доска ---------- */
.bwrap{max-width:none;padding:0 14px 10px}
.bbar{display:flex;align-items:center;gap:12px;padding:8px 4px;flex-wrap:wrap}
.btitle{font-size:16px}.bsub{font-size:12.5px}
.bview{position:relative;height:calc(100vh - 170px);min-height:420px;overflow:hidden;background:#0B0B0E;border-radius:var(--r3);
  touch-action:none;user-select:none;-webkit-user-select:none}
.bview.tool-hand{cursor:grab}.bview.tool-pen,.bview.tool-hl{cursor:crosshair}.bview.tool-note,.bview.tool-text{cursor:copy}.bview.tool-erase{cursor:not-allowed}
.bworld{position:absolute;left:0;top:0;transform-origin:0 0}
.btile{position:absolute;display:block;pointer-events:none;image-rendering:auto}
.bsvg{position:absolute;left:0;top:0;overflow:visible;pointer-events:none}
.bsvg path{pointer-events:stroke}
.bview.tool-hand .bsvg path{pointer-events:none}
.bitem{position:absolute;line-height:1.3;word-wrap:break-word;white-space:normal}
.bitem.note{padding:.6em .7em;border-radius:.25em;box-shadow:0 .25em .9em rgba(0,0,0,.35);color:#1D1521;min-height:2.4em}
.bitem.text{font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.btext{outline:none;min-height:1.2em;cursor:inherit}
.btext[contenteditable="true"]{cursor:text;user-select:text;-webkit-user-select:text;background:rgba(255,255,255,.12);border-radius:.15em}
.bitem.note .btext[contenteditable="true"]{background:rgba(255,255,255,.55)}
.bt-teacher.note{outline:.12em solid var(--plum)}
.bwho{position:absolute;top:-1.5em;left:-.12em;font-size:.4em;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--plum);padding:.15em .6em;border-radius:.4em .4em 0 0;white-space:nowrap}
.btools{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;gap:5px;background:rgba(255,251,245,.96);
  padding:7px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.btool{width:38px;height:38px;border-radius:10px;border:0;background:transparent;font-size:18px;cursor:pointer;color:var(--ink);font-weight:800}
.btool:hover{background:var(--paper2)}.btool.on{background:var(--ink);color:#fff}
.bsep{height:1px;background:var(--line);margin:2px 4px}
#bcolors{display:flex;flex-direction:column;gap:5px;align-items:center}
.bcol{width:24px;height:24px;border-radius:50%;border:2px solid rgba(0,0,0,.15);cursor:pointer;padding:0}
.bcol.on{outline:3px solid var(--sun);outline-offset:1px}
.bzoom{position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:4px;background:rgba(255,251,245,.96);padding:5px;border-radius:12px}
#bpct{min-width:44px;text-align:center;font-size:12.5px;font-weight:700}
.bhint{position:absolute;left:50%;top:14px;transform:translateX(-50%);background:rgba(29,21,33,.88);color:#fff;font-size:13px;
  padding:8px 14px;border-radius:999px;opacity:0;transition:opacity .3s;pointer-events:none;max-width:80%;text-align:center}
.bhint.on{opacity:1}
@media(max-width:640px){.bview{height:calc(100vh - 200px)}.btool{width:34px;height:34px;font-size:16px}}

/* ---------- предложение установить приложение ---------- */
.pwa{position:fixed;left:50%;bottom:16px;transform:translate(-50%,140%);z-index:96;width:min(560px,calc(100vw - 24px));
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 14px;
  box-shadow:0 16px 40px rgba(29,21,33,.22);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.pwa.on{transform:translate(-50%,0)}
.pwa-logo{width:48px;height:48px;border-radius:12px;flex:0 0 auto}
.pwa-txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;font-size:13.5px;line-height:1.4}
.pwa-txt b{font-size:14.5px}.pwa-txt span{color:var(--ink2)}
.pwa-btns{display:flex;flex-direction:column;gap:5px;flex:0 0 auto}
.pwa-ic{display:inline-block;font-weight:800;color:var(--ink)}
@media(max-width:520px){.pwa{flex-wrap:wrap}.pwa-btns{flex-direction:row;width:100%;justify-content:flex-end}}

/* ---------- предложения: перевод по нажатию ---------- */
.s{cursor:pointer;border-radius:4px;transition:background .12s}
.s:hover{background:rgba(242,165,43,.12)}
.s.on{background:rgba(242,165,43,.26);box-shadow:0 0 0 2px rgba(242,165,43,.26)}
.s.on .w:hover{background:rgba(224,75,79,.18)}
.s .w:hover{background:none}
.s.on .w.on{background:rgba(224,75,79,.30)}
.wpop.wide{max-width:380px}
.ltr{border:1px solid var(--line);background:#fff;border-radius:999px;font-size:12px;padding:1px 8px;margin-left:6px;
  cursor:pointer;color:var(--ink2);vertical-align:middle;font-family:ui-sans-serif,system-ui,sans-serif}
.ltr:hover{border-color:var(--sun);color:var(--ink)}
.btn-ya{background:#FC3F1D;color:#fff}