:root{
  --bg:#080c16; --bg2:#0d1220; --panel:#121a2b; --line:#22304a;
  --txt:#e6edff; --dim:#8595b5; --acc:#3b82f6; --acc2:#93c5fd;
  --ok:#34d399; --danger:#f87171;
  --ease:cubic-bezier(.2,.8,.25,1);
  --shadow:0 20px 60px #0008;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;
  overflow:hidden;-webkit-font-smoothing:antialiased;
}
::selection{background:#3b82f655}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:9px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#ffffff28;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--panel);
  color:var(--txt);border-radius:10px;padding:7px 12px;
  transition:background .2s var(--ease),border-color .2s var(--ease),
             transform .15s var(--ease),color .2s,box-shadow .2s}
button:hover{border-color:#3b82f688;background:#172033;transform:translateY(-1px)}
button:active{transform:translateY(0) scale(.97)}
button:focus-visible{outline:none;box-shadow:0 0 0 3px #3b82f644}
button.primary{background:linear-gradient(135deg,#2563eb,#60a5fa);border-color:transparent;
  color:#fff;font-weight:600;box-shadow:0 6px 20px #2563eb44}
button.primary:hover{filter:brightness(1.1);box-shadow:0 10px 28px #2563eb66}
button.danger:hover{border-color:var(--danger);color:var(--danger);background:#f8717118}
button.icon{border:none;background:none;padding:3px 6px;color:var(--dim);border-radius:8px}
button.icon:hover{color:var(--txt);background:#ffffff14;transform:none}
input,textarea,select{font:inherit;background:#0a1020;border:1px solid var(--line);
  color:var(--txt);border-radius:10px;padding:10px 12px;outline:none;width:100%;
  transition:border-color .2s,box-shadow .2s,background .2s}
input:focus,textarea:focus,select:focus{border-color:var(--acc);box-shadow:0 0 0 3px #3b82f626;background:#0f0f1a}
.hidden{display:none!important}
.grow{flex:1}

/* ---------- ВХОД ---------- */
.auth{position:fixed;inset:0;z-index:60;display:flex;overflow:hidden;
  background:
    radial-gradient(1500px 900px at 12% -15%,#12306e66,transparent 62%),
    radial-gradient(1200px 800px at 92% 115%,#0c4a6e55,transparent 62%),
    var(--bg);
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.auth:before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(#ffffff08 1px,transparent 1px),
                   linear-gradient(90deg,#ffffff08 1px,transparent 1px);
  background-size:52px 52px;
  mask:radial-gradient(85% 75% at 50% 45%,#000 35%,transparent 100%);
  -webkit-mask:radial-gradient(85% 75% at 50% 45%,#000 35%,transparent 100%)}
.auth.gone{opacity:0;transform:scale(1.05);pointer-events:none}

.blobs{position:fixed;inset:0;filter:blur(100px);opacity:.32;pointer-events:none}
.blobs i{position:absolute;border-radius:50%;display:block}
.blobs i:nth-child(1){width:520px;height:520px;background:#2563eb;left:8%;top:12%;
  animation:drift 19s ease-in-out infinite}
.blobs i:nth-child(2){width:430px;height:430px;background:#22d3ee;right:10%;top:22%;
  animation:drift 23s ease-in-out infinite reverse}
.blobs i:nth-child(3){width:380px;height:380px;background:#2563eb;left:42%;bottom:4%;
  animation:drift 27s ease-in-out infinite}
@keyframes drift{33%{transform:translate(70px,-50px) scale(1.15)}
  66%{transform:translate(-60px,40px) scale(.9)}}

/* две половины экрана */
.gate{position:relative;display:flex;width:100%;animation:fade .5s var(--ease)}
.gate.leaving{opacity:0;transform:scale(.97);transition:.35s var(--ease)}
.half{flex:1;border:none;border-radius:0;background:none;color:var(--dim);
  display:flex;align-items:center;justify-content:center;padding:0;
  transition:flex .45s var(--ease),background .35s,color .35s}
.half:hover{flex:1.35;background:#3b82f60f;color:var(--txt);transform:none}
.half:first-child:hover{box-shadow:inset 60px 0 90px -60px #3b82f6aa}
.half:last-child:hover{box-shadow:inset -60px 0 90px -60px #3b82f6aa}
.half:active{transform:none}
.half-in{display:flex;flex-direction:column;gap:5px;transition:transform .35s var(--ease)}
.half:first-child .half-in{transform:translateX(-9vw)}
.half:last-child .half-in{transform:translateX(9vw)}
.half b{font-size:29px;font-weight:600;letter-spacing:-.6px}
.half i{font-style:normal;font-size:13px;opacity:.65}
.half:hover .half-in{transform:translateX(0) scale(1.04)}

.gate-mid{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;pointer-events:none;z-index:2}
.gate-mid h1{margin:6px 0 0;font-size:34px;letter-spacing:-1.2px;
  background:linear-gradient(120deg,#fff,#93c5fd 60%,#a5f3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.flask{display:block;overflow:visible;animation:bob 4.5s ease-in-out infinite;
  filter:drop-shadow(0 8px 34px #3b82f6aa)}
@keyframes bob{50%{transform:translateY(-9px) rotate(-4deg)}}
.flask .halo{animation:halo 4s ease-in-out infinite;transform-origin:60px 96px}
@keyframes halo{0%,100%{opacity:.5;transform:scale(.9)}50%{opacity:1;transform:scale(1.1)}}
.flask .wave{animation:swim 5s linear infinite}
.flask .wave2{animation-duration:7s;animation-direction:reverse}
@keyframes swim{to{transform:translateX(60px)}}
.flask .bub{fill:#e0f2fe;opacity:0;animation:rise2 3.4s ease-in infinite}
.flask .b1{animation-delay:.2s}
.flask .b2{animation-delay:1.3s;animation-duration:4s}
.flask .b3{animation-delay:2.1s;animation-duration:3s}
.flask .b4{animation-delay:2.9s;animation-duration:4.4s}
@keyframes rise2{0%{opacity:0;transform:translateY(0) scale(.6)}15%{opacity:.75}
  80%{opacity:.5}100%{opacity:0;transform:translateY(-46px) scale(1.15)}}
.flask .sp{opacity:0;animation:twinkle 3.6s ease-in-out infinite}
.flask .s2{animation-delay:1.2s}
.flask .s3{animation-delay:2.3s}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(.4)}50%{opacity:.9;transform:scale(1)}}

/* форма */
.auth-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(340px,92vw);padding:24px;border-radius:24px;
  background:#121a2bdd;backdrop-filter:blur(18px);border:1px solid #ffffff14;
  box-shadow:0 30px 90px #000a,0 0 70px #1d4ed82e;
  animation:rise .45s var(--ease)}
.back{position:absolute;left:14px;top:14px;border:none;background:none;color:var(--dim);
  font-size:17px;padding:4px 8px}
.back:hover{background:none;color:var(--txt);transform:translateX(-2px)}
.tabs{position:relative;display:flex;background:#0a1020;border:1px solid var(--line);
  border-radius:12px;padding:3px;margin:14px 0 16px}
.tab{flex:1;border:none;background:none;color:var(--dim);font-size:14px;padding:8px;
  border-radius:9px;z-index:1}
.tab:hover{background:none;color:var(--txt);transform:none}
.tab.on{color:#fff;font-weight:600}
.tab-ink{position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:9px;
  background:linear-gradient(135deg,#2563eb,#60a5fa);box-shadow:0 4px 18px #2563ebaa;
  transition:transform .3s var(--ease)}
.tabs.reg .tab-ink{transform:translateX(100%)}
.fld{display:block;margin-bottom:12px}
.fld span{display:block;font-size:11.5px;color:var(--dim);margin-bottom:5px;
  text-transform:uppercase;letter-spacing:.7px}
.wide{width:100%}
.err{color:var(--danger);font-size:13px;min-height:19px;margin-top:9px;text-align:center}
.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-3px)}}
.or{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:12px;margin:4px 0 10px}
.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}
.g-wrap{margin-bottom:4px}
#g-btn{display:flex;justify-content:center}
.auth-card button:disabled{opacity:.55;cursor:default}
@keyframes rise{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}}
@keyframes fade{from{opacity:0}}

@media(max-width:760px){
  .gate{flex-direction:column}
  .half:first-child .half-in{transform:translateY(-14vh)}
  .half:last-child .half-in{transform:translateY(14vh)}
  .half:hover .half-in{transform:none}
  .half b{font-size:24px}
  .gate-mid h1{font-size:28px}
  .flask{width:104px;height:128px}
}

/* ---------- КАРКАС ---------- */
.app{display:flex;height:100vh;animation:fade .45s var(--ease)}
.sidebar{width:272px;flex:none;background:var(--bg2);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:12px;z-index:20}
.side-head{display:flex;align-items:center;gap:8px;padding:2px 6px 12px}
.brand{display:flex;align-items:center;gap:7px;font-size:15px;letter-spacing:-.3px}
.brand b{background:linear-gradient(120deg,#e6edff,#93c5fd);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.who{flex:1;text-align:right;font-size:12.5px;color:var(--dim);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.search{margin-bottom:10px;padding:8px 11px;font-size:14px}
.tree{flex:1;overflow:auto;margin:0 -6px;padding:0 2px}
.tree-hint{color:var(--dim);font-size:13px;text-align:center;padding:26px 10px;line-height:1.8}
.add-folder{margin-top:8px;width:100%}
.add-folder.ghost{color:var(--dim);font-size:13px}

/* дерево */
.folder{margin:2px 0;animation:slide .32s var(--ease) both}
@keyframes slide{from{opacity:0;transform:translateX(-10px)}}
.f-row{display:flex;align-items:center;gap:7px;padding:7px 8px;border-radius:10px;
  cursor:pointer;transition:background .18s}
.f-row:hover{background:#ffffff0c}
.f-row .arw{transition:transform .25s var(--ease);color:var(--dim);font-size:10px}
.folder.open .f-row .arw{transform:rotate(90deg)}
.f-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.count{font-size:11px;color:var(--dim);background:#ffffff0d;border-radius:20px;padding:1px 7px}
.f-row:hover .count{opacity:0;width:0;padding:0;overflow:hidden}
.f-act{display:flex;gap:1px;opacity:0;transform:translateX(6px);
  transition:opacity .2s,transform .2s var(--ease)}
.f-row:hover .f-act,.note:hover .f-act{opacity:1;transform:none}
.notes{max-height:0;overflow:hidden;opacity:0;
  transition:max-height .32s var(--ease),opacity .25s}
.folder.open .notes{max-height:3000px;opacity:1}
.note{display:flex;align-items:center;gap:7px;padding:6px 8px 6px 24px;border-radius:10px;
  cursor:pointer;color:var(--dim);font-size:14px;position:relative;
  animation:slide .3s var(--ease) both;transition:background .18s,color .18s}
.note:hover{background:#ffffff0c;color:var(--txt)}
.note .ico{font-size:12px;opacity:.7}
.note.active{background:linear-gradient(90deg,#3b82f62e,transparent);color:var(--txt)}
.note.active:before{content:"";position:absolute;left:8px;top:20%;bottom:20%;width:2px;
  background:var(--acc);border-radius:2px;animation:grow .3s var(--ease)}
@keyframes grow{from{transform:scaleY(0)}}
.n-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- РЕДАКТОР ---------- */
.main{flex:1;overflow:auto;position:relative;scroll-behavior:smooth}
.empty{height:100%;display:grid;place-content:center;justify-items:center;color:var(--dim);gap:10px}
.empty-art{font-size:64px;opacity:.3;animation:float 4.5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px) rotate(-4deg)}}
.editor{max-width:880px;margin:0 auto;padding:26px 40px 140px}
.editor.in{animation:enter .4s var(--ease)}
@keyframes enter{from{opacity:0;transform:translateY(14px)}}
.title{border:none;background:none;font-size:34px;font-weight:700;padding:0;
  letter-spacing:-.9px;margin-bottom:10px}
.title:focus{box-shadow:none;background:none}
.toolbar{position:sticky;top:0;background:linear-gradient(var(--bg) 78%,transparent);
  padding-top:14px;z-index:5}
.tools{display:flex;flex-wrap:wrap;gap:4px;padding:8px 0 12px;border-bottom:1px solid var(--line)}
.tools button{padding:5px 10px;font-size:13px;border-color:transparent;background:#ffffff08}
.tools button.on{background:#3b82f633;border-color:#3b82f677;color:var(--acc2)}
.tools .sep{width:1px;background:var(--line);margin:3px 5px}
.ai-btn{background:linear-gradient(135deg,#2563eb,#22d3ee)!important;color:#fff;font-weight:600;
  box-shadow:0 4px 16px #0891b244}
.ai-btn:hover{filter:brightness(1.12)}
.body{min-height:52vh;padding:18px 0;outline:none;font-size:16.5px;line-height:1.78;
  border-radius:14px;transition:box-shadow .2s,background .2s}
.body.drop{box-shadow:0 0 0 2px var(--acc) inset;background:#3b82f610}
.body h1{font-size:28px;margin:24px 0 8px;letter-spacing:-.5px}
.body h2{font-size:22px;margin:20px 0 6px;color:var(--acc2)}
.body blockquote{border-left:3px solid var(--acc);margin:14px 0;padding:4px 16px;color:var(--acc2);
  background:#3b82f60d;border-radius:0 10px 10px 0}
.body pre{background:#0a1020;border:1px solid var(--line);border-radius:12px;padding:13px 15px;
  overflow:auto;font-family:ui-monospace,Menlo,monospace;font-size:14px}
.body hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);
  margin:26px 0}
.body table{border-collapse:separate;border-spacing:0;width:100%;margin:16px 0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
.body td,.body th{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:9px 11px}
.body tr:last-child td{border-bottom:none}
.body td:last-child,.body th:last-child{border-right:none}
.body th{background:#ffffff0a;font-weight:600}
.body tbody tr{transition:background .15s}
.body tbody tr:hover{background:#ffffff06}
.body img{max-width:100%;border-radius:14px;border:1px solid var(--line);margin:10px 0;
  display:block;transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.body img:hover{transform:scale(1.008);border-color:#3b82f688;box-shadow:0 12px 40px #0007}
.body ul,.body ol{padding-left:24px}
.body li{margin:3px 0}
.body a{color:var(--acc2)}

.files{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.file{display:flex;align-items:center;gap:9px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:8px 13px;font-size:13px;animation:rise .3s var(--ease);
  transition:border-color .2s,transform .2s var(--ease),opacity .18s}
.file:hover{border-color:#3b82f677;transform:translateY(-2px)}
.file.out{opacity:0;transform:scale(.9)}
.file a{color:var(--txt);text-decoration:none;max-width:220px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.file a:hover{color:var(--acc2)}
.file .sz{color:var(--dim);font-size:11.5px}
.file button{border:none;background:none;color:var(--dim);padding:0 2px}
.file button:hover{color:var(--danger);background:none;transform:none}

.meta{margin-top:26px;color:var(--dim);font-size:12px;display:flex;gap:14px}
.saved{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(24px);
  background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:6px 16px;
  font-size:12px;color:var(--ok);opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease)}
.saved.busy{color:var(--dim)}
.saved.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- ИИ ---------- */
.ai-panel{width:344px;flex:none;background:var(--bg2);border-left:1px solid var(--line);
  padding:14px;display:flex;flex-direction:column;gap:10px;overflow:auto;z-index:15;
  animation:slideIn .34s var(--ease)}
@keyframes slideIn{from{transform:translateX(360px);opacity:.4}}
.ai-head{display:flex;justify-content:space-between;align-items:center}
.ai-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.ai-actions button{font-size:13px;padding:10px 6px}
.ai-actions button:hover{background:#3b82f61f}
#ai-prompt{min-height:72px;resize:vertical}
.wide{width:100%}
.ai-out{flex:1;background:#0a1020;border:1px solid var(--line);border-radius:12px;
  padding:13px;font-size:14px;overflow:auto;min-height:130px;line-height:1.65}
.ai-out h2{font-size:16px;color:var(--acc2);margin:12px 0 4px}
.ai-out table{border-collapse:collapse;width:100%;margin:8px 0}
.ai-out td,.ai-out th{border:1px solid var(--line);padding:5px 7px}
.ai-out ul,.ai-out ol{padding-left:20px;margin:6px 0}
.ai-apply{display:flex;gap:6px}
.ai-apply button{flex:1;font-size:13px}
.dots{color:var(--acc2)}
.dots:after{content:"";animation:dots 1.2s steps(4) infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}

/* ---------- МОДАЛКИ ---------- */
.modal{position:fixed;inset:0;background:#000b;backdrop-filter:blur(8px);
  display:grid;place-items:center;z-index:50;opacity:0;transition:opacity .2s}
.modal.in{opacity:1}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:22px;width:430px;max-width:92vw;display:flex;flex-direction:column;gap:11px;
  box-shadow:var(--shadow);transform:translateY(16px) scale(.96);
  transition:transform .26s var(--ease)}
.modal.in .modal-box{transform:none}
.modal-box.small{width:340px}
.modal-box h3{margin:0;font-size:18px}
.hint{color:var(--dim);font-size:12.5px;margin:0;line-height:1.5}
.row{display:flex;gap:8px;justify-content:flex-end}
.row-2{display:flex;gap:10px}
.row-2 label{flex:1;font-size:12.5px;color:var(--dim)}
.row-2 input{margin-top:4px}
.pick{flex:1;display:flex;align-items:center;gap:8px;background:#0a1020;border:1px solid var(--line);
  border-radius:12px;padding:11px 13px;font-size:13.5px;cursor:pointer;transition:border-color .2s,background .2s}
.pick:hover{border-color:#3b82f677}
.pick:has(:checked){border-color:var(--acc);background:#3b82f614}
.pick input{width:auto;accent-color:var(--acc)}
.chk{display:flex;align-items:center;gap:9px;color:var(--dim);font-size:13.5px;cursor:pointer}
.chk input{width:auto;accent-color:var(--acc)}
.warn{margin:0;font-size:12.5px;line-height:1.5;color:#bae6fd;background:#3b82f614;
  border:1px solid #3b82f62e;border-left:3px solid var(--acc);border-radius:10px;padding:10px 12px}
.warn b{color:#fff}

.draw-box{width:auto}
.draw-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.draw-tools input[type=color]{width:42px;height:34px;padding:2px;cursor:pointer}
.draw-tools input[type=range]{width:110px;accent-color:var(--acc)}
.draw-tools button.active{border-color:var(--acc);background:#3b82f62b;color:var(--acc2)}
#canvas{background:#0a1020;border:1px solid var(--line);border-radius:14px;
  max-width:90vw;max-height:68vh;touch-action:none;cursor:crosshair}

/* ---------- ПРОЧЕЕ ---------- */
.toast{position:fixed;bottom:24px;right:24px;background:var(--panel);border:1px solid #3b82f688;
  border-radius:13px;padding:12px 18px;opacity:0;transform:translateY(16px) scale(.96);
  transition:opacity .28s,transform .28s var(--ease);pointer-events:none;z-index:99;
  box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:none}
.burger{display:none;position:fixed;left:14px;bottom:14px;z-index:40;font-size:17px;
  width:44px;height:44px;border-radius:14px;box-shadow:var(--shadow)}
.scrim{position:fixed;inset:0;background:#000a;opacity:0;pointer-events:none;
  transition:opacity .3s;z-index:19}
.scrim.on{opacity:1;pointer-events:auto}

@media(max-width:760px){
  .burger{display:block}
  .sidebar{position:fixed;height:100%;width:82vw;max-width:300px;
    transform:translateX(-102%);transition:transform .32s var(--ease);box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .editor{padding:16px 16px 120px}
  .title{font-size:27px}
  .ai-panel{position:fixed;right:0;height:100%;width:min(94vw,344px);z-index:30}
  .tools{gap:3px}
  .tools button{padding:6px 9px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- УЧЁБА: карточки и тесты ---------- */
.views{display:flex;gap:6px;margin-bottom:10px}
.views button{flex:1;font-size:13px;padding:9px 6px;position:relative}
.views button.on{background:#3b82f626;border-color:#3b82f677;color:var(--acc2);font-weight:600}
.badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;border-radius:10px;
  background:var(--acc);color:#fff;font-size:11px;font-weight:700;line-height:18px;
  padding:0 5px;box-shadow:0 3px 10px #3b82f688;animation:rise .3s var(--ease)}
.tree.dim{opacity:.45;transition:opacity .3s}

.study{max-width:720px;margin:0 auto;padding:26px 30px 90px;animation:enter .4s var(--ease)}
.st-tabs{display:flex;gap:6px;margin-bottom:20px}
.st-tabs .st-tab{flex:1;padding:11px}
.st-tab.on{background:linear-gradient(135deg,#2563eb,#60a5fa);border-color:transparent;
  color:#fff;font-weight:600;box-shadow:0 6px 20px #2563eb44}
.st-head{display:flex;gap:8px;align-items:center;margin-bottom:20px;flex-wrap:wrap}
.st-head select{width:auto;flex:1;min-width:130px;padding:8px 11px;font-size:13.5px}
.st-head button{white-space:nowrap}
.st-stat{font-size:12.5px;color:var(--dim)}
.st-empty{text-align:center;color:var(--dim);padding:50px 20px}
.st-empty .big{font-size:52px;opacity:.5;margin-bottom:12px;animation:float 4s ease-in-out infinite}
.st-empty p{margin:6px 0}
.st-empty .sm{font-size:13px;line-height:1.7;max-width:380px;margin:10px auto 18px}

/* флеш-карточка */
.flash{perspective:1400px;cursor:pointer;height:250px;margin-bottom:14px}
.fl-in{position:relative;width:100%;height:100%;transform-style:preserve-3d;
  transition:transform .6s var(--ease)}
.flash.flip .fl-in{transform:rotateY(180deg)}
.fl-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:20px;
  border:1px solid var(--line);background:var(--panel);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:28px;text-align:center;box-shadow:0 20px 50px #0007}
.fl-front{background:linear-gradient(160deg,#101a30,#121a2b)}
.fl-back{transform:rotateY(180deg);background:linear-gradient(160deg,#0f1c34,#121a2b);
  border-color:#3b82f655}
.fl-tag{position:absolute;top:14px;left:16px;font-size:11px;color:var(--dim);
  background:#ffffff0d;border-radius:20px;padding:3px 10px}
.fl-term{font-size:27px;font-weight:700;letter-spacing:-.5px;line-height:1.3}
.fl-hint{position:absolute;bottom:16px;font-size:11.5px;color:#6b7a99}
.fl-def{font-size:16px;line-height:1.65;color:var(--acc2)}
.fl-btns{display:flex;gap:8px;animation:rise .3s var(--ease)}
.fl-btns button{flex:1;padding:12px}
.fl-under{display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;font-size:12.5px;color:var(--dim)}

/* колода списком */
.deck{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;max-height:60vh;overflow:auto}
.deck-row{display:flex;align-items:center;gap:10px;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;padding:10px 13px;font-size:13.5px}
.deck-row:hover{border-color:#3b82f655}
.deck-row>div{flex:1;min-width:0}
.deck-def{display:block;color:var(--dim);font-size:12.5px;margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.deck-box{color:var(--acc);font-size:9px;letter-spacing:1px}

/* тест */
.quiz{animation:enter .3s var(--ease)}
.q-bar{height:3px;background:#ffffff12;border-radius:3px;overflow:hidden;margin-bottom:16px}
.q-bar i{display:block;height:100%;background:linear-gradient(90deg,#2563eb,#22d3ee);
  transition:width .4s var(--ease)}
.q-num{font-size:12px;color:var(--dim);margin-bottom:8px}
.q-text{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:18px}
.q-opts{display:flex;flex-direction:column;gap:8px}
.q-opt{text-align:left;padding:13px 16px;font-size:14.5px;line-height:1.45}
.q-opt.done{pointer-events:none;opacity:.65}
.q-opt.right{border-color:var(--ok);background:#34d39918;color:#6ee7b7;opacity:1}
.q-opt.wrong{border-color:var(--danger);background:#f8717118;color:#fca5a5;opacity:1}
.q-why{margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13.5px;line-height:1.6}
.q-why.good{background:#34d39914;border:1px solid #34d39944}
.q-why.bad{background:#f8717114;border:1px solid #f8717144}
.q-why b{display:block;margin-bottom:3px}
#q-next{margin-top:14px}

.result{text-align:center;padding:26px 0;animation:rise .4s var(--ease)}
.score{width:150px;height:150px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-content:center;font-size:40px;font-weight:700;
  background:conic-gradient(var(--acc) calc(var(--p)*1%),#ffffff10 0);position:relative}
.score:before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--bg)}
.score span{font-size:17px}
.score b{position:relative;font-weight:700}
.res-line{font-size:17px;font-weight:600;margin:0 0 4px}
.result .sm{color:var(--dim);font-size:13.5px;margin:0 0 20px}
.hist{margin-top:26px;text-align:left;font-size:12.5px;color:var(--dim);
  border-top:1px solid var(--line);padding-top:14px}
.hist div{display:flex;gap:10px;align-items:center;padding:5px 0}
.hist span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist b{color:var(--acc2)}
.hist i{font-style:normal;opacity:.7}

/* кнопка «в колоду» над выделением */
.sel-pop{position:fixed;z-index:45;animation:rise .18s var(--ease)}
.sel-pop button{background:linear-gradient(135deg,#2563eb,#22d3ee);border:none;color:#fff;
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:11px;
  box-shadow:0 8px 24px #0009}

/* ---------- ЗАГРУЗКА ---------- */
.boot{position:fixed;inset:0;z-index:100;pointer-events:none;display:grid;place-content:center;justify-items:center;gap:20px;
  background:radial-gradient(700px 500px at 50% 45%,#12306e88,transparent 70%),var(--bg);
  transition:opacity .55s var(--ease),transform .55s var(--ease)}
.boot.done{opacity:0;transform:scale(1.08);pointer-events:none}
.boot-flask{filter:drop-shadow(0 0 30px #38bdf888)}
.b-fill{animation:fillUp 1.5s var(--ease) forwards}
@keyframes fillUp{from{y:140}to{y:44}}
.boot-name{font:700 15px/1 Arial,sans-serif;letter-spacing:9px;color:#93c5fd;
  text-shadow:0 0 22px #38bdf8aa;animation:bootIn .9s var(--ease) both;animation-delay:.35s}
@keyframes bootIn{from{opacity:0;letter-spacing:22px}}

/* ---------- АНИМИРОВАННЫЙ БУТЫЛЁК ---------- */
.flask{display:block;margin:0 0 4px -12px;overflow:visible}
.flask .halo{animation:halo 4s ease-in-out infinite;transform-origin:60px 96px}
@keyframes halo{0%,100%{opacity:.5;transform:scale(.9)}50%{opacity:1;transform:scale(1.1)}}
.flask .wave{animation:swim 5s linear infinite}
.flask .wave2{animation-duration:7s;animation-direction:reverse}
@keyframes swim{to{transform:translateX(60px)}}
.flask .bub{fill:#e0f2fe;opacity:0;animation:rise2 3.4s ease-in infinite}
.flask .b1{animation-delay:.2s}
.flask .b2{animation-delay:1.3s;animation-duration:4s}
.flask .b3{animation-delay:2.1s;animation-duration:3s}
.flask .b4{animation-delay:2.9s;animation-duration:4.4s}
@keyframes rise2{
  0%{opacity:0;transform:translateY(0) scale(.6)}
  15%{opacity:.75}
  80%{opacity:.5}
  100%{opacity:0;transform:translateY(-46px) scale(1.15)}
}
.flask .sp{opacity:0;animation:twinkle 3.6s ease-in-out infinite}
.flask .s2{animation-delay:1.2s}
.flask .s3{animation-delay:2.3s}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(.4)}50%{opacity:.9;transform:scale(1)}}

/* ---------- СИЯНИЕ ПО ИНТЕРФЕЙСУ ---------- */
.hero h1{text-shadow:0 0 60px #3b82f655}
.auth-card{box-shadow:0 30px 90px #000a,0 0 70px #1d4ed82e,inset 0 1px 0 #ffffff14}
.tab-ink{box-shadow:0 4px 18px #2563ebaa,0 0 24px #38bdf855}
.note.active:before{box-shadow:0 0 12px #3b82f6}
.views button.on{box-shadow:inset 0 0 22px #3b82f61f}
.st-tab.on,.ai-btn{box-shadow:0 6px 22px #2563eb55,0 0 28px #38bdf82e}
.fl-face{box-shadow:0 20px 50px #0008,0 0 40px #1d4ed824}
.fl-back{box-shadow:0 20px 50px #0008,0 0 60px #2563eb3d}
.score{filter:drop-shadow(0 0 26px #3b82f655)}
.badge{box-shadow:0 3px 10px #3b82f6aa,0 0 16px #38bdf866}
.body h2{text-shadow:0 0 26px #3b82f63d}
.q-opt.right{box-shadow:0 0 22px #34d3992e}
.toast{border-color:#3b82f688;box-shadow:var(--shadow),0 0 30px #1d4ed82e}
.big-guest{padding:14px;font-size:15.5px;letter-spacing:.3px}
.soon{line-height:1.6;margin-top:14px}
.google{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px;
  background:#0e1626;font-weight:500}
.google:hover{background:#152136}
.link{width:100%;border:none;background:none;color:var(--dim);font-size:12.5px;padding:6px}
.link:hover{background:none;color:var(--acc2);transform:none}
.auth-card button:disabled{opacity:.55;cursor:default}
.who.offline{color:#fbbf24}
.who.offline:after{content:" ●";font-size:9px}
.g-wrap{margin-bottom:4px}
#g-btn{display:flex;justify-content:center}

/* ---------- ЛИЧНЫЙ КАБИНЕТ ---------- */
.views button{padding:9px 4px}
#v-me{flex:0 0 42px;font-size:15px}
.me-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.me-ava{width:52px;height:52px;flex:none;border-radius:16px;display:grid;place-content:center;
  font-size:22px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#2563eb,#22d3ee);box-shadow:0 8px 26px #2563eb55}
.me-name{font-size:18px;font-weight:600;overflow:hidden;text-overflow:ellipsis}
.me-sub{font-size:12.5px;color:var(--dim);margin-top:2px}
.me-call{display:flex;align-items:center;gap:14px;justify-content:space-between;
  background:#3b82f614;border:1px solid #3b82f62e;border-radius:16px;padding:14px 16px;margin-bottom:20px}
.me-call b{display:block;font-size:14.5px}
.me-call span{font-size:12.5px;color:var(--dim)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat b{font-variant-numeric:tabular-nums}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 10px;
  text-align:center;transition:border-color .2s,transform .2s var(--ease)}
.stat:hover{border-color:#3b82f677;transform:translateY(-2px)}
.stat b{display:block;font-size:23px;letter-spacing:-.5px}
.stat i{font-style:normal;font-size:11.5px;color:var(--dim)}
.me-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.me-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px}
.me-t{font-size:12px;color:var(--dim);margin-bottom:12px;text-transform:uppercase;letter-spacing:.6px}
.ring{width:104px;height:104px;margin:0 auto;border-radius:50%;display:grid;place-content:center;
  background:conic-gradient(var(--acc) calc(var(--p)*1%),#ffffff10 0);position:relative;
  filter:drop-shadow(0 0 20px #3b82f644)}
.ring:before{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--panel)}
.ring b{position:relative;font-size:24px}
.ring span{font-size:13px}
.heat{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:10px}
.heat i{aspect-ratio:1;border-radius:4px;background:#ffffff0d;transition:transform .15s}
.heat i:hover{transform:scale(1.25)}
.heat .lv1{background:#2563eb66}
.heat .lv2{background:#3b82f6aa}
.heat .lv3{background:#60a5fa;box-shadow:0 0 10px #3b82f688}
.me-acts{display:flex;gap:8px;margin-top:18px}
.me-acts button{flex:1}
@media(max-width:620px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .me-row{grid-template-columns:1fr}
}

.tiny{color:#6b7a99;font-size:11.5px;text-align:center;margin:12px 0 0;line-height:1.6}
.tiny a{color:var(--dim)}
.tiny a:hover{color:var(--acc2)}
.me-terms{margin:22px 0 0;font-size:12.5px}
.me-terms a{color:var(--dim);text-decoration:none}
.me-terms a:hover{color:var(--acc2)}

/* ---------- ПЕРВЫЙ ЗАПУСК ---------- */
.welcome{max-width:700px;margin:0 auto;padding:34px 30px 90px;text-align:center;
  animation:enter .45s var(--ease)}
.welcome h2{font-size:26px;letter-spacing:-.8px;margin:0 0 6px}
.wel-sub{color:var(--dim);font-size:14px;margin:0 0 24px}

/* живой пример: печатается конспект, из него рождаются карточка и вопрос */
.demo{position:relative;height:210px;margin-bottom:30px}
.demo-page{position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:290px;text-align:left;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:18px 20px;box-shadow:0 18px 46px #0007}
.demo-title{font-size:17px;font-weight:600;color:var(--acc2);margin-bottom:12px;
  white-space:nowrap;overflow:hidden;width:0;
  animation:typing 2s steps(10) .4s forwards}
@keyframes typing{to{width:112px}}
.caret{display:inline-block;width:2px;height:15px;background:var(--acc);
  vertical-align:-2px;margin-left:2px;animation:blink .7s steps(1) infinite,fadeOut .3s 2.6s forwards}
@keyframes blink{50%{opacity:0}}
@keyframes fadeOut{to{opacity:0}}
.demo-line{height:7px;border-radius:4px;background:#ffffff14;margin-bottom:9px;
  opacity:0;transform:translateY(6px);animation:lineIn .5s var(--ease) forwards}
.l1{width:100%;animation-delay:2.5s}
.l2{width:82%;animation-delay:2.9s}
.l3{width:64%;animation-delay:4.4s}
@keyframes lineIn{to{opacity:1;transform:none}}
.demo-word{display:inline-block;font-size:12.5px;color:var(--acc2);background:#3b82f62e;
  border-radius:6px;padding:2px 7px;margin-bottom:9px;opacity:0;
  animation:wordIn .4s var(--ease) 3.4s forwards,wordOut .6s var(--ease) 4.6s forwards}
@keyframes wordIn{to{opacity:1}}
@keyframes wordOut{to{opacity:.25;transform:scale(.9)}}

.demo-card,.demo-quiz{position:absolute;background:var(--panel);border:1px solid #3b82f655;
  border-radius:14px;padding:11px 14px;text-align:left;opacity:0;
  box-shadow:0 14px 34px #0008,0 0 26px #2563eb2e;font-size:12.5px}
.demo-card{left:2%;top:96px;width:176px;
  animation:pop .6s var(--ease) 4.8s forwards,float2 3s ease-in-out 5.4s infinite}
.demo-quiz{right:2%;top:130px;width:186px;
  animation:pop .6s var(--ease) 5.6s forwards,float2 3.4s ease-in-out 6.2s infinite}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.9)}to{opacity:1;transform:none}}
@keyframes float2{50%{transform:translateY(-6px)}}
.dc-term,.dq-q{display:block;font-weight:600;margin-bottom:3px}
.dc-def,.dq-a{display:block;color:var(--dim);font-size:11.5px;line-height:1.45}
.dq-a{color:#6ee7b7}

/* предметы */
.subjects{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:26px}
.subjects button{font-size:13.5px;padding:9px 14px;border-radius:20px;
  background:#ffffff08;border-color:transparent}
.subjects button:hover{background:#3b82f61f;border-color:#3b82f655}
.subjects button.on{background:#3b82f62e;border-color:var(--acc);color:var(--acc2);
  font-weight:600;box-shadow:0 0 18px #2563eb3d}
.wel-acts{display:flex;gap:8px;justify-content:center}
.wel-acts button{min-width:140px;padding:11px}
.wel-acts button:disabled{opacity:.45;cursor:default}
@media(max-width:620px){
  .welcome{padding:20px 16px 80px}
  .demo{height:240px}
  .demo-card{left:0;width:150px}
  .demo-quiz{right:0;width:158px}
}

/* ---------- ЭКРАН ПРЕДМЕТА ---------- */
.subject{max-width:820px;margin:0 auto;padding:30px 34px 90px;animation:enter .4s var(--ease)}
.sub-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sub-head h2{font-size:30px;letter-spacing:-1px;margin:0}
.sub-meta{color:var(--dim);font-size:13px;margin:4px 0 0}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.ncard{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;
  padding:16px 17px;border-radius:16px;background:var(--panel);min-height:118px;
  animation:cardIn .45s var(--ease) both;position:relative;overflow:hidden}
@keyframes cardIn{from{opacity:0;transform:translateY(14px) scale(.97)}}
.ncard:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(var(--acc),#22d3ee);transform:scaleY(0);transform-origin:top;
  transition:transform .3s var(--ease)}
.ncard:hover{transform:translateY(-3px);border-color:#3b82f677;
  box-shadow:0 16px 36px #0008,0 0 26px #2563eb26}
.ncard:hover:before{transform:scaleY(1)}
.nc-t{font-size:15.5px;font-weight:600;letter-spacing:-.2px}
.nc-p{font-size:12.5px;color:var(--dim);line-height:1.5;flex:1}
.nc-d{font-size:11px;color:#5d6b87}

/* большая кнопка, когда конспектов ещё нет */
.big-add{display:grid;place-items:center;gap:16px;padding:56px 0 40px;color:var(--dim)}
.pulse{position:relative;width:92px;height:92px;border-radius:50%;border:none;
  background:linear-gradient(135deg,#2563eb,#60a5fa);color:#fff;
  box-shadow:0 14px 40px #2563eb66}
.pulse b{font-size:40px;font-weight:300;line-height:1;position:relative;z-index:2}
.pulse:hover{transform:scale(1.07)}
.pl-ring{position:absolute;inset:0;border-radius:50%;border:2px solid #60a5fa;
  animation:ripple 2.6s ease-out infinite}
.pl-ring.r2{animation-delay:1.3s}
@keyframes ripple{to{transform:scale(2.1);opacity:0}}
.big-add p{margin:0;font-size:14px}

/* пройденные темы */
.passed{margin-top:30px;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:18px;animation:cardIn .5s var(--ease) both;animation-delay:.15s}
.pass-row{display:flex;align-items:center;gap:12px;padding:7px 0;font-size:13px}
.pass-row>span:first-child{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pass-bar{width:110px;height:5px;border-radius:5px;background:#ffffff10;overflow:hidden;flex:none}
.pass-bar i{display:block;height:100%;border-radius:5px;
  background:linear-gradient(90deg,#2563eb,#22d3ee);animation:grow2 .8s var(--ease) both}
@keyframes grow2{from{width:0!important}}
.pass-row b{color:var(--acc2);font-size:12.5px;width:38px;text-align:right}
.pass-row>i{font-style:normal;color:#5d6b87;font-size:11.5px;width:74px;text-align:right}
@media(max-width:620px){
  .subject{padding:20px 16px 80px}
  .sub-head h2{font-size:24px}
  .pass-bar{width:60px}
  .pass-row>i{display:none}
}
.me-sound{display:flex;align-items:center;gap:9px;margin-top:20px;color:var(--dim);
  font-size:13.5px;cursor:pointer}
.me-sound input{width:auto;accent-color:var(--acc)}
.sub-btns{display:flex;gap:8px;flex-wrap:wrap}
.st-empty button{margin-top:6px}

/* предложение выключить звук */
.snd-tip{position:fixed;bottom:22px;left:50%;z-index:98;display:flex;align-items:center;gap:10px;
  background:var(--panel);border:1px solid #3b82f655;border-radius:14px;padding:11px 13px;
  font-size:13px;box-shadow:var(--shadow),0 0 30px #1d4ed82e;
  transform:translate(-50%,26px);opacity:0;transition:.3s var(--ease)}
.snd-tip.in{transform:translate(-50%,0);opacity:1}
.snd-tip button{padding:6px 11px;font-size:12.5px}
.snd-tip .tip-ok{background:linear-gradient(135deg,#2563eb,#60a5fa);border-color:transparent;color:#fff}
.about-link{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:3;
  color:#5d6b87;font-size:12.5px;text-decoration:none}
.about-link:hover{color:var(--acc2)}
.q-src{display:block;margin-top:8px;padding-left:10px;border-left:2px solid #3b82f666;
  color:var(--dim);font-size:12.5px;font-style:italic}

/* импорт и схемы */
.wide-box{width:min(620px,94vw)}
#imp-text{min-height:210px;resize:vertical;font-size:13.5px;line-height:1.6}
#imp-modal .row-2{gap:10px}
#imp-modal .fld{flex:1;margin:0}
.body img.mindmap{background:#0f1830;padding:10px;border-radius:16px}
.ai-add{color:var(--acc2);border-bottom:1px dashed #3b82f666}

/* ---------- ЗАЧЁТ ---------- */
.ex-top{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.ex-stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:13px 10px;text-align:center}
.ex-stat b{display:block;font-size:21px}
.ex-stat i{font-style:normal;font-size:11.5px;color:var(--dim)}
.tick-list{display:flex;flex-direction:column;gap:6px}
.tick{display:flex;align-items:center;gap:11px;text-align:left;padding:11px 13px;
  border-radius:12px;font-size:13.5px;animation:cardIn .35s var(--ease) both}
.tick .tn{flex:none;width:23px;height:23px;border-radius:7px;background:#ffffff0d;
  display:grid;place-content:center;font-size:11.5px;color:var(--dim)}
.tick .tt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tick .ts{flex:none;font-weight:700;font-size:13px}
.tick.ok{border-color:#3b82f655}
.tick.ok .tn{background:#3b82f62e;color:var(--acc2)}
.tick.s5 .ts,.tick.s4 .ts{color:var(--ok)}
.tick.s3 .ts{color:#fbbf24}
.tick.s2 .ts,.tick.s1 .ts,.tick.s0 .ts{color:var(--danger)}

.ex-card{animation:enter .35s var(--ease)}
.ex-q{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:14px}
#ex-ans{min-height:190px;resize:vertical;line-height:1.7;font-size:14.5px}
.ex-acts{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}
.ex-res{display:flex;gap:16px;margin-top:18px;padding:16px;border-radius:16px;
  background:var(--panel);border:1px solid var(--line);animation:rise .35s var(--ease)}
.ex-res.good{border-color:#34d39966;box-shadow:0 0 26px #34d39914}
.ex-res.mid{border-color:#fbbf2466}
.ex-res.bad{border-color:#f8717166}
.ex-score{flex:none;font-size:34px;font-weight:700;line-height:1}
.ex-score span{font-size:14px;color:var(--dim)}
.ex-res.good .ex-score{color:#6ee7b7}
.ex-res.mid .ex-score{color:#fcd34d}
.ex-res.bad .ex-score{color:#fca5a5}
.ex-body{flex:1;font-size:13.5px;line-height:1.6}
.ex-body b{display:block;margin:6px 0 2px;font-size:12.5px;color:var(--dim);
  text-transform:uppercase;letter-spacing:.5px}
.ex-body ul{margin:0;padding-left:18px}
.ex-body li{margin:3px 0}
#tick-text{min-height:200px;resize:vertical;line-height:1.7}

/* ---------- ССЫЛКИ И ГРУППЫ ---------- */
.link-row{display:flex;gap:8px}
.link-row input{font-size:13px}
.link-groups{display:flex;flex-wrap:wrap;gap:6px}
.link-groups .hint{width:100%;margin:4px 0 0}
.gpost{font-size:12.5px;padding:7px 11px}
.gpost:disabled{opacity:.6;color:var(--ok)}

.grp{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:11px 13px;margin-bottom:6px;font-size:13.5px}
.grp>div{flex:1;min-width:0}
.grp b{display:block}
.grp span{font-size:12px;color:var(--dim)}
.grp-acts{display:flex;gap:8px;margin-top:8px}
.grp-acts button{flex:1}
.post{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:11px;
  background:#ffffff06;margin-bottom:5px;font-size:13.5px;animation:cardIn .3s var(--ease) both}
.post>div{flex:1;min-width:0}
.post b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post span{font-size:11.5px;color:var(--dim)}

/* чужой конспект по ссылке */
.guest-view{position:fixed;inset:0;z-index:70;overflow:auto;background:var(--bg);
  animation:fade .3s var(--ease)}
.gv-wrap{max-width:860px;margin:0 auto;padding:34px 30px 90px}
.gv-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px}
.gv-kind{font-size:12px;color:var(--acc2);text-transform:uppercase;letter-spacing:.7px}
.gv-head h1{font-size:30px;letter-spacing:-1px;margin:6px 0 4px}
.gv-meta{color:var(--dim);font-size:13px;margin:0}
.gv-acts{display:flex;gap:8px;flex-wrap:wrap;flex:none}
.gv-body article{margin-bottom:34px;animation:cardIn .4s var(--ease) both}
.gv-body h2{font-size:22px;color:var(--acc2);margin:0 0 10px}
.gv-body img{max-width:100%;border-radius:14px;border:1px solid var(--line)}
.gv-body table{border-collapse:collapse;width:100%;margin:14px 0}
.gv-body td,.gv-body th{border:1px solid var(--line);padding:8px 10px}
.gv-body blockquote{border-left:3px solid var(--acc);margin:12px 0;padding:2px 14px;color:var(--acc2)}
@media(max-width:620px){
  .gv-wrap{padding:20px 16px 80px}
  .gv-head{flex-direction:column}
  .gv-head h1{font-size:24px}
}