/* TeacherDesk · первый экран главной: все по центру, под текстом показ кабинета с курсором.
   Кабинет сверстан в фиксированном размере --w на --h и масштабируется целиком (--s считает tour.js),
   поэтому окно всегда видно в своих пропорциях. На планшете и телефоне свои раскладки. */

.hero--center .hero__bg{background:
  radial-gradient(40% 32% at 10% 74%,rgba(140,128,255,.26),transparent 70%),
  radial-gradient(40% 32% at 90% 64%,rgba(96,150,255,.24),transparent 70%),
  linear-gradient(180deg,#fff 0,#fff 62%,var(--bg) 100%)}
.hero--center .hero__bg::after{-webkit-mask-image:radial-gradient(64% 40% at 50% 70%,#000 0,transparent 74%);mask-image:radial-gradient(64% 40% at 50% 70%,#000 0,transparent 74%)}
.hero--center .hero__in{grid-template-columns:minmax(0,1fr);justify-items:center;gap:clamp(36px,4vw,56px)}
.hero--center .hero__text{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero--center .hero__title{align-items:center}
.hero--center .hero__line:nth-child(-n+2){display:inline-block}
.hero--center .hero__lead{max-width:36em;text-wrap:balance}
@media (min-width:1041px){.hero--center .hero__lead{max-width:52em}.hero--center .hero__lead-x{display:block}}
.hero--center .crumbs ol{justify-content:center}
.hero--page.hero--center .hero__phrase{font-size:clamp(34px,2.6vw + 18px,60px);max-width:22em}
.hero--page.hero--center .facts{margin-top:clamp(40px,5vw,64px)}
.hero--center .hero__cta,.hero--center .trust{justify-content:center}
@media (min-width:1041px){.hero--center .hero__phrase{font-size:clamp(3.25rem,5.4vw,5rem)}}
@media (min-width:521px){.hero--center .hero__more-x{display:inline}}
@media (max-width:720px){.hero--center .hero__line:nth-child(-n+2){display:block}}

/* ---------- окно ---------- */
.tour{--w:1200;--h:740;--s:1;position:relative;width:100%;max-width:1120px;min-width:0}
.tour__fig{position:relative}
.tour__win{position:relative;border-radius:var(--r-m);background:#fff;box-shadow:0 0 0 1px var(--line),var(--sh-3);overflow:hidden}
.tour__addr{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 16px;border-bottom:1px solid var(--line);font:400 12px/1 var(--mono);color:var(--muted);white-space:nowrap}
.tour__addr>i{position:absolute;left:16px;top:50%;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:var(--bg-3)}
.tour__addr>i:nth-child(2){left:32px}
.tour__addr>i:nth-child(3){left:48px}
.tour__addr b{font-weight:400;color:var(--ink)}
.tour__view{position:relative;aspect-ratio:var(--w)/var(--h);overflow:hidden;background:#fff}

/* курсор и точка нажатия живут вне масштаба: их размер не зависит от ширины окна */
.tour__cursor{position:absolute;left:0;top:0;z-index:6;width:24px;height:24px;margin:-3px 0 0 -5px;pointer-events:none;opacity:0;transition:opacity .3s var(--ease);filter:drop-shadow(0 3px 5px rgba(27,29,46,.28))}
.tour__cursor svg{transition:transform .14s var(--ease)}
.tour.is-run .tour__cursor{opacity:1}
.tour__cursor.is-down svg{transform:scale(.84)}
.tour__tap{position:absolute;left:0;top:0;z-index:5;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;background:rgba(68,91,246,.26);pointer-events:none;opacity:0}
.tour__tap.is-on{animation:tour-tap .5s var(--ease)}
@keyframes tour-tap{0%{opacity:1;scale:.3}100%{opacity:0;scale:1.25}}

.tour__toast{position:absolute;right:-14px;top:-18px;z-index:7;width:320px;max-width:calc(100% - 24px);pointer-events:none;opacity:0;transform:translateY(-8px) scale(.97);transition:opacity .3s var(--ease),transform .45s var(--pop)}
.tour__toast.is-on{opacity:1;transform:none}
.tour__toast .toast{transition:none;background:#fff}

/* управление показом */
.tctl{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:20px}
.tctl__play,.tctl__it{display:inline-flex;align-items:center;justify-content:center;height:40px;border-radius:var(--r-pill);color:var(--muted);transition:color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}
.tctl__play{flex:none;width:40px;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.tctl__play .i-pl{display:none}
.tctl.is-paused .tctl__play .i-pl{display:block}
.tctl.is-paused .tctl__play .i-pa{display:none}
.tctl__it{gap:7px;padding:0 14px;font-size:14px;font-weight:500;white-space:nowrap;background:linear-gradient(90deg,var(--blue-100) calc(var(--p,0)*100%),transparent 0)}
.tctl__it.is-on{color:var(--blue-d);box-shadow:inset 0 0 0 1px var(--blue-200)}
@media(hover:hover){.tctl__it:hover,.tctl__play:hover{color:var(--blue-d);box-shadow:inset 0 0 0 1px var(--blue-200)}}
.tctl button:focus-visible{border-radius:var(--r-pill)}

/* ---------- кабинет: общая сетка ---------- */
.tapp{position:absolute;left:0;top:0;display:grid;grid-template-columns:216px minmax(0,1fr);width:calc(var(--w)*1px);height:calc(var(--h)*1px);transform:scale(var(--s));transform-origin:0 0;font-size:14px;line-height:1.35;color:var(--text);background:#fff;pointer-events:none;-webkit-user-select:none;user-select:none}
.js .tour:not(.is-ready) .tapp{visibility:hidden}
.tapp h3,.tapp h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:-.015em}
.tapp b{color:var(--ink);font-weight:500}
.tapp time{font-size:12.5px;color:var(--muted)}
.tapp small{font-size:12px;color:var(--muted)}

.tapp__side{display:flex;flex-direction:column;gap:22px;padding:22px 14px 16px;border-right:1px solid var(--line)}
.tapp__logo{margin-left:10px}
.tapp__sign{display:none}
.tapp__nav{display:grid;gap:3px}
.tapp__it{display:flex;align-items:center;gap:11px;height:40px;padding:0 12px;border-radius:var(--r-xs);color:var(--muted);transition:background .25s var(--ease),color .25s var(--ease)}
.tapp__it .ic{width:18px;height:18px}
.tapp__it.is-on{background:var(--blue-50);color:var(--blue-d);font-weight:500}
.tapp__it.is-hover:not(.is-on){color:var(--ink)}
.tapp__it em{display:grid;place-items:center;min-width:20px;height:20px;margin-left:auto;padding:0 5px;border-radius:var(--r-2xs);background:var(--yellow);color:var(--ink);font:600 11.5px/1 var(--sans)}
.tapp__me{display:flex;align-items:center;gap:10px;margin-top:auto;padding:12px 10px 0;border-top:1px solid var(--line);color:var(--ink);font-weight:500;font-size:13px}
.tapp__me>span{display:grid;gap:1px}
.tapp__main{position:relative;min-width:0;overflow:hidden}

.ts{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility 0s .28s}
.ts.is-on{opacity:1;visibility:visible;transition:opacity .28s var(--ease)}
.ts__scroll{position:absolute;left:0;right:0;top:0;display:grid;gap:16px;padding:24px 28px 28px;transform:translateY(calc(var(--y,0)*-1px))}
.ts__head{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px}
.ts__head h3{font-size:24px;line-height:1.15}
.ts__head p{margin-top:3px;font-size:13.5px;color:var(--muted)}
.ts__acts{display:flex;align-items:center;gap:8px;flex:none}

.tbtn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 14px;border-radius:var(--r-xs);font-weight:500;font-size:13.5px;white-space:nowrap;transition:background .2s var(--ease),transform .14s var(--ease),box-shadow .2s var(--ease)}
.tbtn--blue{background:var(--blue);color:#fff}
.tbtn--ink{background:var(--ink);color:#fff}
.tbtn--ghost{color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.tbtn--w{width:100%}
.tbtn--sm{height:32px;padding:0 11px;font-size:12.5px}
.tbtn--ic{width:42px;padding:0}
.tbtn.is-hover.tbtn--blue{background:var(--blue-d)}
.tbtn.is-hover.tbtn--ghost{box-shadow:inset 0 0 0 1px var(--blue);color:var(--blue-d)}
.tbtn.is-press{transform:scale(.97)}

.tgrid{display:grid;gap:14px}
.tgrid--home{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr) minmax(0,1fr)}
.tgrid--two{grid-template-columns:repeat(2,minmax(0,1fr))}
.tgrid--three{grid-template-columns:repeat(3,minmax(0,1fr))}
.ttile{min-width:0;padding:15px 16px;border-radius:var(--r-s);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .3s var(--ease)}
.ttile.is-hover{box-shadow:inset 0 0 0 1px var(--blue-200)}
.ttile__h{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px;font-size:13px;color:var(--muted)}
.ttile__h span{color:var(--ink)}
.ttile__f{display:flex;align-items:center;gap:5px;margin-top:10px;font-size:12.5px;color:var(--muted)}
.tbig{display:flex;align-items:baseline;gap:6px;margin-bottom:12px}
.tbig b{font-size:32px;line-height:1;font-weight:600;letter-spacing:-.025em}
.tbar{display:block;height:6px;border-radius:var(--r-pill);background:var(--bg-3);overflow:hidden}
.tbar i{display:block;height:100%;border-radius:inherit;background:var(--blue);transition:width .6s var(--ease)}
.tdl{display:grid}
.tdl>div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;border-top:1px solid var(--line);font-size:13px}
.tdl dt{color:var(--muted)}
.tdl dd{color:var(--ink);font-weight:500;text-align:right}

.tlist{display:grid}
.trow{display:grid;grid-template-columns:48px minmax(0,1.2fr) minmax(0,1fr) auto;align-items:center;gap:10px;min-height:40px;border-top:1px solid var(--line)}
.trow:first-child{border-top:0}
.trow>*{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trow>span:not(.chip){font-size:13px;color:var(--muted)}
.trow>.chip{overflow:visible}
.trow--check{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto}
.trow--debt{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto}
.trow--pay{grid-template-columns:64px minmax(0,1fr) minmax(0,1fr) auto}
.trow--ev{grid-template-columns:48px minmax(0,1.4fr) minmax(0,1fr)}
.trow--file{grid-template-columns:auto minmax(0,1fr) auto}
.ttile--all{grid-column:1/-1}
.tnow{display:grid;grid-template-columns:auto auto auto minmax(0,1fr) auto;align-items:center;gap:10px;min-height:48px;margin-bottom:4px;padding:5px 7px 5px 13px;border-radius:var(--r-xs);background:var(--yellow);color:var(--ink)}
.tnow i{width:7px;height:7px;border-radius:50%;background:var(--ink);animation:blink 1.8s var(--ease-io) infinite}
.tnow>*{white-space:nowrap}
.tnow>span:not(.tbtn){overflow:hidden;text-overflow:ellipsis;font-size:13px}
.tnow time{color:var(--ink)}
.tnow .tbtn{height:34px;padding:0 11px;font-size:12.5px}

/* ---------- расписание ---------- */
.tseg{display:inline-flex;align-items:center;gap:2px;height:38px;padding:3px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line-2);font-size:13px;color:var(--muted)}
.tseg>*{display:grid;place-items:center;height:100%;padding:0 11px;border-radius:5px}
.tseg b{background:var(--blue-50);color:var(--blue-d)}
.wk{display:grid;grid-template-columns:58px repeat(5,minmax(0,1fr));border-radius:var(--r-s);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.wk-h{padding:12px 12px;font:400 12.5px/1 var(--mono);color:var(--muted)}
.wk>span:first-child{border-bottom:1px solid var(--line)}
.wk-h{border-bottom:1px solid var(--line);border-left:1px solid var(--line)}
.wk-h b{font-weight:400}
.wk-h.is-today,.wk-h.is-today b{color:var(--blue-d)}
.wk>time{padding:12px 0 0 12px;border-top:1px solid var(--line)}
.wk>time:nth-of-type(1){border-top:0}
.wk-c{position:relative;min-height:95px;padding:5px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.ls{display:grid;align-content:center;gap:2px;height:100%;padding:0 11px;border-radius:var(--r-xs);font-size:12.5px;line-height:1.25;color:var(--muted);background:var(--bg-2);border-left:3px solid var(--line-2);transition:box-shadow .2s var(--ease),transform .14s var(--ease)}
.ls>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ls--paid{background:var(--blue-50);border-left-color:var(--blue)}
.ls--wait{background:var(--yellow-50);border-left-color:var(--yellow)}
.ls--now{background:var(--yellow);border-left-color:var(--ink);color:var(--ink)}
.ls.is-hover{box-shadow:0 0 0 2px var(--blue-200)}
.ls--now.is-hover{box-shadow:0 0 0 2px var(--ink)}
.ls--new{opacity:0;transform:scale(.8)}
.ls--new.is-on{opacity:1;transform:none;transition:opacity .3s var(--ease),transform .45s var(--pop)}

/* выезжающая панель и окно создания */
.tdr{position:absolute;top:0;right:0;bottom:0;z-index:3;display:flex;flex-direction:column;gap:14px;width:380px;padding:22px;background:#fff;box-shadow:-1px 0 0 var(--line),-24px 0 48px -24px rgba(40,50,120,.2);transform:translateX(108%);visibility:hidden;transition:transform .45s var(--ease),visibility 0s .45s}
.tdr.is-on{transform:none;visibility:visible;transition:transform .45s var(--ease)}
.tdr--w{width:440px}
.tdr__h{display:flex;justify-content:space-between;gap:12px}
.tdr__h h4{font-size:19px;line-height:1.2}
.tdr__h .pill-now{margin-bottom:8px}
.tdr__h p{margin-top:5px;font-size:13px;color:var(--muted)}
.tdr__x{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .2s var(--ease)}
.tdr__x.is-hover{box-shadow:inset 0 0 0 1px var(--blue)}
.tnote{display:flex;gap:8px;padding:10px 12px;border-radius:var(--r-xs);background:var(--blue-50);font-size:13px;color:var(--ink)}
.tnote+.tnote{margin-top:8px}
.tnote .ic{margin-top:1px;color:var(--blue-d)}
.tmod{position:absolute;inset:0;z-index:4;display:grid;place-items:center;background:rgba(27,29,46,.2);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility 0s .25s}
.tmod.is-on{opacity:1;visibility:visible;transition:opacity .25s var(--ease)}
.tmod__box{display:grid;gap:12px;width:400px;max-width:calc(100% - 32px);padding:22px;border-radius:var(--r-s);background:#fff;box-shadow:var(--sh-3)}
.tmod__box h4{font-size:19px}
.tf{display:grid;gap:5px;font-size:12.5px;color:var(--muted)}
.tf b{display:flex;align-items:center;height:40px;padding:0 12px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line-2);font-size:14px}
.tf2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}

/* ---------- ученики ---------- */
.tsearch{display:inline-flex;align-items:center;gap:8px;width:190px;height:38px;padding:0 12px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line-2);font-size:13.5px;color:var(--faint)}
.tstl{display:grid;border-radius:var(--r-s);box-shadow:inset 0 0 0 1px var(--line)}
.tst{display:grid;grid-template-columns:auto minmax(0,1.3fr) minmax(0,1.3fr) minmax(0,1fr) 112px;align-items:center;gap:14px;min-height:62px;padding:0 16px;border-top:1px solid var(--line);transition:background .2s var(--ease)}
.tst:first-child{border-top:0}
.tst.is-hover{background:var(--blue-50);border-radius:var(--r-s)}
.tst .chip{justify-self:start}
.tst__s{font-size:13px;color:var(--muted)}
.tst>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tst>.chip,.tst>.av{overflow:visible}

.tcard{bottom:auto;min-height:100%;align-content:start;background:#fff;opacity:0;visibility:hidden;z-index:2;transition:opacity .28s var(--ease),visibility 0s .28s}
.tcard.is-on{opacity:1;visibility:visible;transition:opacity .28s var(--ease)}
.tcrumb{font-size:13px;color:var(--muted)}
.tcrumb b{font-weight:400}
.tcard__h{display:flex;align-items:center;gap:14px}
.tcard__h h3{font-size:22px;line-height:1.15}
.tcard__h p{margin-top:3px;font-size:13.5px;color:var(--muted)}
.tcard__h>div{flex:1;min-width:0}
.tcard__next{display:grid;gap:2px;flex:none;padding:9px 14px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line);font-size:13.5px}
.ttabs{display:flex;gap:4px;border-bottom:1px solid var(--line)}
.ttabs>span{position:relative;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 12px;color:var(--muted);font-size:13.5px;white-space:nowrap;transition:color .2s var(--ease)}
.ttabs>span.is-on,.ttabs>span.is-hover{color:var(--ink)}
.ttabs>span.is-on::after{content:"";position:absolute;left:8px;right:8px;bottom:-1px;height:2px;border-radius:2px;background:var(--blue)}
.ttabs em{display:grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border-radius:var(--r-2xs);background:var(--yellow);color:var(--ink);font:600 11px/1 var(--sans)}
.tpane{display:none}
.tpane.is-on{display:block;animation:tour-in .35s var(--ease)}
@keyframes tour-in{from{opacity:0;transform:translateY(6px)}}
.thist{display:grid;grid-template-columns:70px minmax(0,1.3fr) minmax(0,1.2fr) auto;align-items:center;gap:12px;min-height:58px;border-top:1px solid var(--line)}
.thist:first-child{border-top:0}
.thist>span:not(.chip){font-size:13px;color:var(--muted)}
.thw{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) 150px 64px;align-items:center;gap:14px;min-height:62px;border-top:1px solid var(--line)}
.thw:first-child{border-top:0}
.thw>span:not(.tbar){font-size:13px;color:var(--muted)}
.thw time{text-align:right}

/* ---------- задания ---------- */
.ttasks{display:grid;border-radius:var(--r-s);box-shadow:inset 0 0 0 1px var(--line)}
.ttask{display:grid;grid-template-columns:auto minmax(0,1fr) 70px 104px;align-items:center;gap:14px;min-height:68px;padding:0 16px;border-top:1px solid var(--line);transition:background .2s var(--ease)}
.ttask:first-child{border-top:0}
.ttask.is-hover{background:var(--blue-50);border-radius:var(--r-s)}
.ttask--mute{grid-template-columns:auto minmax(0,1fr) auto}
.ttask__t{display:grid;gap:2px;min-width:0}
.ttask__t>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ttask__t span{font-size:13px;color:var(--muted)}
.ttask .chip{justify-self:start}
.ttask.is-done .chip{background:var(--blue-50);color:var(--blue-d);box-shadow:none}
.tscore{font-size:13.5px;color:var(--muted)}
.tscore b{font-size:28px;font-weight:600;letter-spacing:-.02em}
.tmarks{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:5px}
.tm{display:grid;place-items:center;height:32px;border-radius:var(--r-2xs);background:var(--blue-50);color:var(--blue-d);font:500 12.5px/1 var(--mono);font-style:normal}
.tm--no{background:var(--yellow-50);color:var(--ink);box-shadow:inset 0 0 0 1px var(--yellow)}
.tsol{display:grid;gap:5px;padding:12px 14px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line)}
.tsol__h{display:flex;align-items:center;gap:7px;margin-bottom:3px;font-size:13px;color:var(--muted)}
.tsol__m{font:400 14.5px/1.3 var(--mono);color:var(--ink)}
.tsol__m--bad{width:max-content;background:var(--yellow-50);box-shadow:0 0 0 3px var(--yellow-50)}

/* ---------- чаты ---------- */
.tchat{position:absolute;inset:0;display:grid;grid-template-columns:292px minmax(0,1fr)}
.tchat__list{padding:24px 12px 0;border-right:1px solid var(--line);overflow:hidden}
.tchat__list h3{padding:0 12px 14px;font-size:24px;line-height:1.15}
.tch{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:11px;min-height:64px;padding:0 12px;border-radius:var(--r-xs);transition:background .2s var(--ease)}
.tch.is-on,.tch.is-hover{background:var(--blue-50)}
.tch__t{display:grid;gap:2px;min-width:0}
.tch__t>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tch__t span{font-size:12.5px;color:var(--muted)}
.tch em{display:grid;place-items:center;min-width:20px;height:20px;border-radius:var(--r-2xs);background:var(--yellow);color:var(--ink);font:600 11.5px/1 var(--sans)}
.tchat__room{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0}
.tchat__who{display:flex;align-items:center;gap:10px;height:68px;flex:none;padding:0 22px;border-bottom:1px solid var(--line)}
.tchat__who span{font-size:13px;color:var(--muted)}
.tchat__msgs{display:flex;flex-direction:column;justify-content:flex-end;gap:10px;flex:1;min-height:0;padding:18px 22px;overflow:hidden}
.tm-in,.tm-out{display:grid;gap:3px;max-width:74%;padding:10px 13px;border-radius:var(--r-s);font-size:13.5px;color:var(--ink)}
.tm-in{align-self:flex-start;box-shadow:inset 0 0 0 1px var(--line);border-bottom-left-radius:var(--r-2xs)}
.tm-out{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:var(--r-2xs)}
.tm-in time,.tm-out time{font-size:11px}
.tapp .tm-out time{color:rgba(255,255,255,.72)}
.tm-out--new{display:none}
.tm-out--new.is-on{display:grid;animation:tour-in .35s var(--ease)}
.tchat__in{display:flex;gap:8px;flex:none;padding:12px 22px 18px}
.tchat__field{flex:1;display:flex;align-items:center;min-width:0;height:42px;padding:0 13px;border-radius:var(--r-xs);box-shadow:inset 0 0 0 1px var(--line-2);font-size:13.5px;color:var(--ink);white-space:nowrap;overflow:hidden;transition:box-shadow .2s var(--ease)}
.tchat__field.is-hover,.tchat__field.is-focus{box-shadow:inset 0 0 0 1.5px var(--blue)}
.tchat__ph{color:var(--faint)}
.tchat__field.is-focus .tchat__ph{display:none}
.tchat__field.is-focus [data-typing]::after{content:"";display:inline-block;width:1.5px;height:15px;margin-left:1px;vertical-align:-3px;background:var(--ink)}
[data-who-b],[data-room-b]{display:none}
.tchat__room.is-b [data-who-a],.tchat__room.is-b [data-room-a]{display:none}
.tchat__room.is-b [data-who-b]{display:flex}
.tchat__room.is-b [data-room-b]{display:flex}

/* ---------- финансы ---------- */
.tdebt{display:grid;grid-template-columns:auto minmax(0,1.1fr) minmax(0,1fr) 156px;align-items:center;gap:12px;min-height:58px;border-top:1px solid var(--line)}
.tdebt:first-child{border-top:0}
.tdebt>span{font-size:13px;color:var(--muted);white-space:nowrap}
.tdebt__st{position:relative;display:flex;justify-content:flex-end}
.tdebt__st .chip{display:none}
.tdebt__st.is-done .tbtn{display:none}
.tdebt__st.is-done .chip{display:inline-flex}

/* ---------- живой урок ---------- */
.tlive{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1fr) 250px}
.tlive__main{display:flex;flex-direction:column;gap:12px;min-width:0;padding:20px 16px 20px 24px}
.tlive__top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px}
.tlive__top>div{display:grid;gap:1px;min-width:0}
.tlive__top b{font-size:16px}
.tbtn.is-on{background:var(--yellow);box-shadow:none;color:var(--ink)}
.tboard{position:relative;flex:1;display:grid;grid-template-columns:44px minmax(0,1fr);min-height:0;border-radius:var(--r-s);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.tboard__tools{display:grid;align-content:start;gap:4px;padding:8px 6px;border-right:1px solid var(--line)}
.tboard__tools li{display:grid;place-items:center;height:32px;border-radius:var(--r-2xs);color:var(--muted)}
.tboard__tools li.is-on{background:var(--blue-50);color:var(--blue-d)}
.tboard__sheet{position:relative;display:grid;align-content:start;gap:14px;padding:26px clamp(16px,3%,34px);background:radial-gradient(circle,var(--line-2) 1px,transparent 1.2px) 0 0/22px 22px}
.tboard__eq,.tboard__l{min-height:34px;font:400 26px/1.3 var(--mono);letter-spacing:-.03em;color:var(--ink);white-space:nowrap}
.tboard__l{font-size:23px}
.tboard__l--b{width:max-content;color:var(--blue-d)}
.tboard__ring{position:absolute;left:clamp(8px,2%,22px);top:95px;width:300px;height:88px;pointer-events:none}
.tboard__ring path{stroke:var(--blue);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.tboard__ring path.is-on{stroke-dashoffset:0;transition:stroke-dashoffset .9s var(--ease)}
.tlive__side{display:flex;flex-direction:column;gap:10px;padding:20px 20px 20px 0;min-width:0}
.tvid{position:relative;display:grid;place-items:center;height:128px;border-radius:var(--r-s);background:var(--blue-50)}
.tvid--me{background:var(--bg-2)}
.tvid>span{position:absolute;left:10px;bottom:8px;font-size:12px;color:var(--ink)}
.tlive__mat{flex:1;padding:12px}
.tlive__mat .trow{gap:8px}

/* ---------- ассистент ---------- */
.tai{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}
.tai__chat{display:flex;flex-direction:column;min-width:0;padding-top:24px;border-right:1px solid var(--line)}
.tai__chat>.ts__head{padding:0 24px}
.tai__msgs{display:flex;flex-direction:column;justify-content:flex-end;gap:10px;flex:1;min-height:0;padding:18px 24px;overflow:hidden}
.tm-in--new{display:none}
.tm-in--new.is-on{display:grid;animation:tour-in .35s var(--ease)}
.tai .tchat__in{padding:12px 24px 20px}
.tai__prev{display:flex;flex-direction:column;gap:14px;min-width:0;padding:28px 26px 24px;opacity:0;transform:translateX(14px);transition:opacity .35s var(--ease),transform .45s var(--ease)}
.tai__prev.is-on{opacity:1;transform:none}
.tai__prev .ttile__h{align-items:center;margin:0}
.tai__prev h4{font-size:19px;line-height:1.2}
.tai__plan{display:grid;flex:1;align-content:start}
.tai__plan li{display:grid;grid-template-columns:58px minmax(0,1fr);gap:2px 8px;padding:12px 0;border-top:1px solid var(--line)}
.tai__plan time{grid-row:1/3}
.tai__plan span{grid-column:2;font-size:13px;color:var(--muted)}

/* ---------- кабинет ученика ---------- */
.tnext{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-radius:var(--r-s);background:var(--blue);color:#fff}
.tnext>div{display:grid;gap:3px;min-width:0}
.tapp .tnext b{font-size:21px;font-weight:600;color:#fff;letter-spacing:-.015em}
.tapp .tnext small,.tnext span:not(.tbtn){font-size:13px;color:rgba(255,255,255,.8)}
.tbtn--white{flex:none;background:#fff;color:var(--ink)}
.tbtn--white.is-hover{box-shadow:0 0 0 2px var(--blue-200)}
.tflash{position:relative;display:grid;justify-items:center;align-content:center;gap:16px;min-height:360px;padding:32px;border-radius:var(--r-m);background:var(--blue-50);text-align:center}
.tflash__k{font-size:13px;color:var(--muted)}
.tflash__q{max-width:18em;font-size:21px;line-height:1.35;white-space:normal}
.tflash__a{display:none;padding:8px 14px;border-radius:var(--r-xs);background:#fff;font-size:21px;color:var(--blue-d)}
.tflash__acts{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.tflash__b{display:none}
.tflash.is-open .tflash__a{display:block;animation:tour-in .35s var(--ease)}
.tflash.is-open .tflash__b{display:inline-flex}
.tflash.is-open [data-flash-show]{display:none}

/* ---------- планшет: узкая панель из значков ---------- */
@media (max-width:1000px){
  .tour{--w:800;--h:600}
  .tapp{grid-template-columns:64px minmax(0,1fr)}
  .tapp__side{align-items:center;padding:18px 8px 12px}
  .tapp__logo,.tapp__me>span,.tapp__it>span{display:none}
  .tapp__sign{display:block}
  .tapp__it{position:relative;justify-content:center;width:44px;padding:0}
  .tapp__it em{position:absolute;right:1px;top:1px;min-width:16px;height:16px;padding:0 3px;font-size:10px}
  .tapp__me{padding:10px 0 0}
  .ts__scroll{padding:18px 20px 20px;gap:13px}
  .ts__head h3{font-size:21px}
  .tgrid--home{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ttile--day{grid-column:1/-1}
  .wk-c{min-height:70px}
  .tst{grid-template-columns:auto minmax(0,1.2fr) minmax(0,1fr) 108px}
  .tst__n{display:none}
  .tcard__next:last-of-type{display:none}
  .thw{grid-template-columns:minmax(0,1.3fr) 120px 60px}
  .thw>span:not(.tbar){display:none}
  .thist{grid-template-columns:62px minmax(0,1fr) auto}
  .thist>span:not(.chip){display:none}
  .tdr,.tdr--w{width:350px;padding:18px;gap:11px}
  .tchat{grid-template-columns:230px minmax(0,1fr)}
  .tchat__list h3{font-size:21px}
  .tdebt{grid-template-columns:auto minmax(0,1fr) 150px}
  .tdebt>span:not(.tdebt__st){display:none}
  .tsearch{display:none}
  .trow--pay{grid-template-columns:62px minmax(0,1fr) auto auto}
  .tlive{grid-template-columns:minmax(0,1fr) 190px}
  .tvid{height:92px}
  .tboard__eq,.tboard__l{font-size:21px}
  .tboard__ring{top:102px;width:230px;height:72px}
  .tai__plan li{padding:9px 0}
  .tflash{min-height:300px}
}

/* ---------- телефон: кабинет как приложение, разделы в нижней панели ---------- */
@media (max-width:520px){
  .tour{--w:340;--h:700;display:flex;flex-direction:column;align-items:center}
  /* корпус телефона в пропорциях настоящего устройства, как .phone-frame */
  .tour__fig{width:min(300px,82vw)}
  .tour__win{border:6px solid var(--ink);border-radius:40px}
  .tour__addr{height:28px;padding:0 20px;border-bottom:0;justify-content:space-between;font:500 11px/1 var(--mono);color:var(--ink)}
  .tour__addr>span{display:none}
  .tour__addr::before{content:"14:00"}
  .tour__addr::after{content:"";width:20px;height:9px;border-radius:3px;box-shadow:inset 0 0 0 1.5px var(--ink);background:linear-gradient(90deg,var(--ink) 70%,transparent 0) 2px 2px/16px 5px no-repeat}
  .tour__addr>i{display:none}
  .tour__addr>i:first-child{display:block;left:50%;top:6px;width:72px;height:18px;margin:0 0 0 -36px;border-radius:var(--r-pill);background:var(--ink)}
  .tour__view::after{content:"";position:absolute;left:50%;bottom:5px;z-index:4;width:92px;height:3px;margin-left:-46px;border-radius:var(--r-pill);background:var(--ink);pointer-events:none}
  .tapp{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 66px;font-size:13.5px}
  .tapp__side{order:2;display:block;padding:0;border-right:0;border-top:1px solid var(--line)}
  .tapp__logo,.tapp__sign,.tapp__me,.tapp__it[data-nav="ai"]{display:none}
  .tapp__nav{grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:0;height:100%}
  .tour[data-tour-route] .tapp__it[data-nav="chats"]{display:none}
  .tour[data-tour-route^="ai"] .tapp__it[data-nav="ai"]{display:flex}
  .tapp__it{flex-direction:column;justify-content:center;gap:3px;width:auto;height:100%;padding:0 0 8px;border-radius:0}
  .tapp__it>span{display:block;font-size:9px;letter-spacing:-.02em}
  .tapp__it.is-on{background:none}
  .tapp__it em{right:calc(50% - 18px);top:6px}
  .ts__scroll{padding:14px 14px 18px;gap:11px}
  .ts__head{min-height:0}
  .ts__head h3{font-size:19px}
  .ts__head p{font-size:12px}
  .tseg,.ts__acts .tbtn--ghost{display:none}
  .ts__acts .tbtn{width:38px;padding:0;font-size:0;gap:0}
  .tgrid--home,.tgrid--two,.tgrid--three{grid-template-columns:minmax(0,1fr)}
  .tgrid{gap:10px}
  .tgrid--three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tgrid--three .ttile:last-child{display:none}
  .ttile{padding:12px}
  .tbig b{font-size:25px}
  .tnow{grid-template-columns:auto auto minmax(0,1fr) auto;gap:7px;padding-left:10px}
  .tnow>span:not(.tbtn){display:none}
  .tnow .tbtn{width:34px;padding:0;font-size:0;gap:0}
  .trow{grid-template-columns:42px minmax(0,1fr) auto}
  .trow>span:not(.chip){display:none}
  .trow--check{grid-template-columns:minmax(0,1fr) auto}
  .trow--debt{grid-template-columns:minmax(0,1fr) auto}
  .trow--pay{grid-template-columns:64px minmax(0,1fr) auto}
  .trow--ev{grid-template-columns:42px minmax(0,1fr)}
  .trow--file{grid-template-columns:auto minmax(0,1fr)}
  .trow--pay>span:not(.chip){display:block;text-align:right}
  .trow--pay>.chip{display:none}

  .wk{grid-template-columns:42px repeat(3,minmax(0,1fr))}
  .wk [data-d="0"],.wk [data-d="1"]{display:none}
  .wk-h{padding:10px 8px;font-size:11.5px}
  .wk>time{padding:10px 0 0 7px;font-size:11px}
  .wk-c{min-height:62px;padding:3px}
  .ls{padding:0 6px;font-size:11px;border-left-width:2px}

  .tdr,.tdr--w{left:0;width:auto;padding:14px;gap:9px}
  .tdr__h h4{font-size:17px}
  .tdr .tdl>div{padding:6px 0}
  .tst{grid-template-columns:auto minmax(0,1fr) auto;gap:10px;min-height:56px;padding:0 12px}
  .tst__s{display:none}
  .tcard__h{gap:10px}
  .tcard__h h3{font-size:18px}
  .tcard__h p{font-size:12px}
  .tcard__next{display:none}
  .ttabs>span{padding:0 7px;font-size:12.5px;height:36px}
  .thist{grid-template-columns:54px minmax(0,1fr) auto;gap:8px;min-height:48px}
  .thist .chip{font-size:0;gap:0;padding:0 5px}
  .thw{grid-template-columns:minmax(0,1fr) 54px;min-height:54px}
  .thw .tbar{display:none}
  .thw>b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ttask{grid-template-columns:auto minmax(0,1fr) auto;gap:9px;min-height:58px;padding:0 12px}
  .ttask>time{display:none}
  .ttask .chip{font-size:0;gap:0;padding:0;width:9px;height:9px;background:var(--yellow);box-shadow:none}
  .ttask--mute .chip{background:var(--bg-3)}
  .ttask.is-done .chip{background:var(--blue)}
  .tmarks{gap:3px}
  .tm{height:26px;font-size:11px}
  .tsol{padding:9px 11px}
  .tsol__m{font-size:13px}
  .tscore b{font-size:22px}
  .tchat{grid-template-columns:minmax(0,1fr)}
  .tchat__list{padding-top:14px;border-right:0}
  .tchat__list h3{font-size:19px;padding-bottom:8px}
  .tch{min-height:56px}
  .tchat__room{position:absolute;inset:0;background:#fff;opacity:0;visibility:hidden;transition:opacity .28s var(--ease)}
  .tchat__room.is-b{opacity:1;visibility:visible}
  .tchat__who{height:52px;padding:0 14px}
  .tchat__msgs{padding:12px 14px;gap:8px}
  .tm-in,.tm-out{max-width:86%;padding:8px 11px;font-size:13px}
  .tchat__in{padding:8px 14px 12px}
  .tdebt{grid-template-columns:auto minmax(0,1fr) auto;gap:8px;min-height:52px}
  .tdebt b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .tdebt .tbtn--sm{width:34px;padding:0;font-size:0;gap:0}
  .tdebt .chip{font-size:0;gap:0;padding:0 5px}
  .tlive{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto}
  .tlive__main{padding:12px 12px 8px;gap:8px}
  .tlive__top small{display:none}
  .tlive__top b{font-size:13.5px;white-space:nowrap}
  .tlive__top .tbtn{padding:0 8px;font-size:11.5px}
  .tboard{grid-template-columns:minmax(0,1fr)}
  .tboard__tools{display:none}
  .tboard__sheet{padding:16px 12px;gap:8px}
  .tboard__eq,.tboard__l{min-height:26px;font-size:18px}
  .tboard__ring{left:0;top:65px;width:200px;height:64px}
  .tlive__side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:0 12px 12px;gap:8px}
  .tvid{height:72px}
  .tvid .av--lg{width:34px;height:34px;font-size:12px}
  .tlive__mat{display:none}
  .tlive__side .tbtn{grid-column:1/-1}
  .tai{grid-template-columns:minmax(0,1fr)}
  .tai__chat{padding-top:14px;border-right:0}
  .tai__chat>.ts__head{padding:0 14px}
  .tai__msgs{padding:12px 14px;gap:8px}
  .tai .tchat__in{padding:8px 14px 12px}
  .tai__prev{position:absolute;inset:0;z-index:1;padding:16px 14px 14px;gap:10px;background:#fff;visibility:hidden}
  .tai__prev.is-on{visibility:visible}
  .tai__prev h4{font-size:16px}
  .tai__plan li{grid-template-columns:48px minmax(0,1fr);padding:7px 0}
  .tnext{flex-direction:column;align-items:stretch;padding:14px}
  .tapp .tnext b{font-size:17px}
  .tflash{min-height:320px;padding:20px 14px}
  .tflash__q,.tflash__a{font-size:16px}

  /* на телефоне вместо стрелки след от пальца */
  .tour__cursor{width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:rgba(27,29,46,.3);box-shadow:0 0 0 2px rgba(255,255,255,.75);filter:none}
  .tour__cursor svg{display:none}
  .tour__toast{left:14px;right:14px;top:44px;width:auto;max-width:none}
  .tour__toast .toast{padding:8px 10px 8px 8px;gap:9px}
  .tour__toast .toast__ic{width:28px;height:28px}
  .tour__toast .toast__t b{font-size:13px}
  .tour__toast .toast__t{font-size:11.5px}

  /* разделы уже есть в нижней панели телефона, под ним только ход показа */
  .tctl{width:min(300px,82vw);gap:3px;margin-top:14px}
  .tctl__play{width:44px;height:44px;margin-right:7px}
  .tctl__it{position:relative;flex:1;min-width:0;height:44px;padding:0;background:none}
  .tctl__it.is-on{box-shadow:none}
  .tctl__it span,.tctl__it .ic{display:none}
  .tctl__it::before{content:"";position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--blue) calc(var(--p,0)*100%),var(--bg-3) 0)}
  .tctl__it:has(~.tctl__it.is-on)::before{background:var(--blue)}
}

@media (prefers-reduced-motion:reduce){
  .tour__tap,.tpane.is-on,.tm-out--new.is-on{animation:none}
  .tdr,.ts,.tmod,.tcard{transition:none}
}