/* Сетка — светлая тема: мягкие карточки, цвет у каждого предмета */
:root{
  --bg:#F6F8FC; --surface:#FFFFFF; --ink:#101B33; --text:#26324A; --muted:#6E7A91; --line:#E6EAF1;
  --soft:#F1F4F9; --primary:#2F6BFF; --primary-soft:#EAF1FF; --primary-ink:#1F57E0;
  --green:#1FA35B; --green-soft:#E6F6EC; --red:#E5484D; --red-soft:#FDECEC; --amber:#B7791F; --amber-soft:#FDF3E1;
  --c:var(--primary); --t:var(--primary-soft);
  --r-lg:20px; --r:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(16,27,51,.04), 0 4px 16px rgba(16,27,51,.04);
  color-scheme: light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);
  font-family:"Onest",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,p{margin:0}
h1,h2,h3{color:var(--ink);letter-spacing:-0.01em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.ic{flex:none;display:block}
.muted{color:var(--muted)}
.small{font-size:13px}
.nowrap{white-space:nowrap}
.clamp1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;
  font-weight:600;font-size:15px;white-space:nowrap;transition:background .15s,box-shadow .15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-ink)}
.btn-primary:disabled{opacity:.5;cursor:default}
.btn-outline{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink)}
.btn-outline:hover{box-shadow:inset 0 0 0 1px #CBD3E0}
.btn-white{background:#fff;color:var(--ink);height:40px;padding:0 16px;border-radius:999px;font-size:14px;box-shadow:0 1px 2px rgba(16,27,51,.06)}
.btn-soft{background:var(--soft);color:var(--ink);height:38px;padding:0 14px;border-radius:10px;font-size:14px;align-self:flex-start}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-wide{width:100%}
.round{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--ink);box-shadow:0 1px 2px rgba(16,27,51,.06)}
.sq{width:40px;height:40px;border-radius:12px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);display:grid;place-items:center;color:var(--primary)}
.sq:hover{box-shadow:inset 0 0 0 1px #CBD3E0}
.icon-btn{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:var(--muted)}
.icon-btn:hover{background:var(--soft);color:var(--ink)}
.icon-btn.danger:hover{background:var(--red-soft);color:var(--red)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px}

/* ---------- метки ---------- */
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--t);color:var(--c);font-size:13px;font-weight:600;white-space:nowrap}
.pill{display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 10px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.pill-new{background:var(--primary-soft);color:var(--primary)}
.pill-go{background:var(--amber-soft);color:var(--amber)}
.pill-done{background:var(--green-soft);color:var(--green)}
.pill-wait{background:var(--soft);color:var(--muted)}
.count{display:inline-grid;place-items:center;min-width:28px;height:24px;padding:0 8px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:13px;font-weight:600}
.meter{height:6px;border-radius:999px;background:rgba(16,27,51,.08);overflow:hidden}
.meter i{display:block;height:100%;border-radius:inherit;background:var(--c)}
.meter-lg{height:8px}
.meter-sm{width:80px;height:4px;margin-top:6px}
.meter-done i{background:var(--green)}

/* ---------- поля ---------- */
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.fld > span:first-child{font-size:14px;font-weight:500;color:var(--ink)}
.inp{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;border-radius:12px;background:var(--surface);
  box-shadow:inset 0 0 0 1px var(--line);color:var(--muted);transition:box-shadow .15s}
.inp:focus-within{box-shadow:inset 0 0 0 2px var(--primary)}
.inp input,.inp select,.inp textarea{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:15px;height:100%}
.inp select{cursor:pointer}
.inp-area{height:auto;padding:12px 14px}
.inp-area textarea{resize:vertical;min-height:96px;line-height:1.5}
.inp-sm{height:40px;border-radius:10px}
.drop{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 14px;border-radius:12px;border:1.5px dashed #CBD3E0;background:var(--soft);color:var(--muted)}
.drop input{font-size:14px;color:var(--text);min-width:0}
.eye{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:var(--muted)}
.eye[aria-pressed="true"]{color:var(--primary)}
.check{display:flex;align-items:center;gap:10px;font-size:14px;margin:4px 0 20px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--primary)}
.caps{color:var(--amber);font-size:13px;margin:-8px 0 12px}
.opt-row{display:flex;gap:8px;flex-wrap:wrap}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;inset:0}
.opt span{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:14px;font-weight:500}
.opt input:checked + span{background:var(--t);color:var(--c);box-shadow:inset 0 0 0 1.5px var(--c)}
.opt input:focus-visible + span{outline:2px solid var(--primary);outline-offset:2px}
.note{background:var(--amber-soft);color:#7A5214;border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:16px}

.alert{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:12px;background:var(--green-soft);color:#126B3B;font-size:14px;margin-bottom:24px}
.alert .ic{margin-top:1px}
.alert-err{background:var(--red-soft);color:#A3262A}
.err-text{color:var(--red)!important}

/* ---------- вход ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(circle at 15% 10%,#EAF1FF 0,transparent 40%),radial-gradient(circle at 85% 90%,#F2EEFE 0,transparent 40%),var(--bg)}
.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:24px;padding:36px;box-shadow:0 12px 40px rgba(16,27,51,.08)}
.auth-card .brand{margin-bottom:28px}
.auth-card h1{font-size:26px;font-weight:700}
.auth-card > .muted{margin:6px 0 24px}

/* ---------- каркас ---------- */
.topbar{position:sticky;top:0;z-index:20;height:72px;display:flex;align-items:center;gap:24px;padding:0 28px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-0.02em;width:216px;flex:none}
.search{flex:1;max-width:620px;display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;border-radius:999px;background:var(--soft);color:var(--muted)}
.search:focus-within{box-shadow:inset 0 0 0 2px var(--primary);background:#fff}
.search input{flex:1;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink);min-width:0}
.avatar{margin-left:auto;width:44px;height:44px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700;font-size:15px;flex:none}
.avatar-lg{width:72px;height:72px;font-size:24px;margin:0}
.shell{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 72px)}
.side{position:sticky;top:72px;height:calc(100vh - 72px);overflow-y:auto;background:var(--surface);border-right:1px solid var(--line);padding:20px 16px;display:flex;flex-direction:column}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{display:flex;align-items:center;gap:14px;height:44px;padding:0 14px;border-radius:12px;color:var(--text);font-weight:500}
.side-nav a .ic{color:var(--muted)}
.side-nav a:hover{background:var(--soft)}
.side-nav a[aria-current="page"]{background:var(--primary-soft);color:var(--ink);font-weight:600}
.side-nav a[aria-current="page"] .ic{color:var(--primary)}
.side-sep{height:1px;background:var(--line);margin:16px 6px}
.side-label{font-size:13px;color:var(--muted);padding:10px 14px 6px;font-weight:500}
.subj-ic{width:28px;height:28px;border-radius:8px;background:var(--t);color:var(--c);display:grid;place-items:center;margin:0 -4px 0 -4px}
.side-nav a .subj-ic .ic{color:var(--c)}
.side-out{margin-top:auto;display:flex;align-items:center;gap:14px;height:44px;padding:0 14px;border-radius:12px;color:var(--muted);font-weight:500}
.side-out:hover{background:var(--soft);color:var(--ink)}
.main{padding:32px 40px 64px;min-width:0;max-width:1440px}
.tabbar{display:none}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.page-head h1{font-size:30px;font-weight:700}
.page-head .muted{margin-top:4px}
.block{margin-bottom:40px}
.block-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.block-head h1{font-size:30px;font-weight:700}
.block-head h2{font-size:24px;font-weight:700}
.block-head .link-more{margin-left:auto}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.panel-title{font-size:20px;font-weight:700;margin-bottom:20px}
.empty-card{display:flex;align-items:center;gap:16px;padding:28px;border-radius:var(--r-lg);border:1.5px dashed #D3DAE6;color:var(--muted)}

/* ---------- карточки ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.hero-card{position:relative;display:flex;flex-direction:column;border-radius:var(--r-lg);background:var(--t);overflow:hidden}
.hero-media{position:relative;display:block}
.hero-media .thumb{border-radius:0}
.hero-play{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--c);display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.2);transition:transform .15s}
.hero-play .ic{margin-left:3px}
.hero-card:hover .hero-play{transform:scale(1.08)}
.hero-body{display:flex;flex-direction:column;gap:10px;padding:16px 20px 18px;flex:1}
.hero-card .pill{background:rgba(255,255,255,.75)}
.hero-card h2{font-size:20px;font-weight:600;line-height:1.35}
.hero-card h2 a::after{content:"";position:absolute;inset:0}
.hero-card .meta{color:var(--muted);font-size:14px}
.hero-foot{margin-top:auto;padding-top:4px;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
.card{display:flex;flex-direction:column;gap:12px;padding:20px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:border-color .15s}
a.card:hover,.tile:hover{border-color:#CBD3E0}
.card h3{font-size:17px;font-weight:600;line-height:1.35}
.tile-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.when{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);white-space:nowrap}
.soon{min-height:172px}
.soon .btn-soft{margin-top:auto}
.course-top{display:flex;align-items:center;gap:14px}
.subj-badge{width:48px;height:48px;border-radius:14px;background:var(--t);color:var(--c);display:grid;place-items:center}
.course-num{display:flex;align-items:baseline;gap:8px;margin-top:4px}
.course-num span{font-size:28px;font-weight:700;color:var(--ink)}
.course-num small{color:var(--muted);font-size:14px}
.tile{position:relative;display:flex;flex-direction:column;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;transition:border-color .15s,transform .15s,box-shadow .15s}
.tile:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(16,27,51,.05),0 12px 28px rgba(16,27,51,.08)}
.tile .thumb{border-radius:0}
.tile-body{display:flex;flex-direction:column;gap:10px;padding:14px 16px 16px;flex:1}
.tile h3{font-size:16px;font-weight:600;line-height:1.35;min-height:2.7em}
.tile-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}
.meta{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.meta .sep{width:8px}

.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:28px;flex-wrap:wrap}
.seg{display:inline-flex;gap:4px;padding:4px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}
.seg a{height:36px;display:inline-flex;align-items:center;padding:0 16px;border-radius:10px;font-weight:500;color:var(--muted);font-size:14px}
.seg a[aria-current="true"]{background:var(--primary-soft);color:var(--primary);font-weight:600}

/* ---------- расписание ---------- */
.month-nav{display:flex;align-items:center;gap:10px}
.month-title{font-weight:600;font-size:17px;color:var(--ink);min-width:140px;text-align:center}
.cal{overflow:hidden}
.cal-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.cal-head div{padding:12px;text-align:center;font-size:13px;font-weight:600;color:var(--muted);border-bottom:1px solid var(--line)}
.cal-cell{min-height:118px;padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px;min-width:0}
.cal-row .cal-cell:nth-child(7){border-right:0}
.cal-row:last-child .cal-cell{border-bottom:0}
.cal-cell.out{background:#FAFBFD}
.cal-cell.out .cal-num{color:#B5BDCB}
.cal-num{align-self:center;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:2px}
.cal-cell.today .cal-num{background:var(--ink);color:#fff}
.chip{display:flex;align-items:center;justify-content:space-between;gap:4px;min-height:26px;padding:4px 8px;border-radius:7px;background:var(--t);color:var(--ink);font-size:12.5px;font-weight:500;line-height:1.3;box-shadow:inset 3px 0 0 var(--c)}
.chip b{font-weight:700;color:var(--c)}
.chip .clamp1{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.chip:hover{filter:brightness(.97)}
.chip-wait{background:var(--soft);color:var(--muted);box-shadow:inset 3px 0 0 #C3CBD8}
.chip-done .ic{color:var(--green)}
.agenda{display:none}

/* ---------- урок ---------- */
.crumbs{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);margin-bottom:20px;min-width:0}
.crumbs a{color:var(--primary);white-space:nowrap}
.crumbs a:hover{text-decoration:underline}
.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
[hidden]{display:none!important}
.player{aspect-ratio:16/9;width:100%;border-radius:var(--r-lg);overflow:hidden;background:#0D1424}
.player video{width:100%;height:100%;display:block;background:#000}
.player-msg{display:grid;place-items:center;text-align:center;color:#fff;padding:24px}
.player-msg > div{display:flex;flex-direction:column;align-items:center;gap:10px;max-width:380px}
.player-msg.soft{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.player-msg.soft .ic{color:var(--primary)}
.player-msg .btn{margin-top:8px}
.lesson-info{padding:24px;margin-top:20px}
.lesson-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:14px;color:var(--muted);margin-bottom:12px}
.lesson-meta > span:not(.tag):not(.pill){display:inline-flex;align-items:center;gap:6px}
.lesson-title{font-size:26px;font-weight:700;line-height:1.25;margin-bottom:10px}
.lesson-desc{font-size:16px;max-width:70ch;color:var(--text)}
.mats{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-top:24px}
.mat{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 12px;border-radius:14px;border:1px solid var(--line);background:var(--surface)}
.mat-ic{width:40px;height:40px;border-radius:10px;background:var(--red-soft);color:var(--red);display:grid;place-items:center;flex:none}
.mat-name{flex:1;min-width:0;display:flex;flex-direction:column}
.mat-name b{font-weight:600;font-size:14px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mat-name small{color:var(--muted);font-size:12.5px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.pager-btn{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);min-width:0;color:var(--primary)}
.pager-btn:hover{border-color:#CBD3E0}
.pager-btn span{display:flex;flex-direction:column;min-width:0;flex:1}
.pager-btn small{color:var(--muted);font-size:12.5px}
.pager-btn b{color:var(--ink);font-weight:600;font-size:14px}
.pager-btn.next{text-align:right;grid-column:2}
.course-list{position:sticky;top:96px;padding:18px 12px 12px;max-height:calc(100vh - 120px);display:flex;flex-direction:column}
.course-items{scroll-behavior:smooth}
.course-list-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px 12px}
.course-list-head h2{font-size:17px;font-weight:700}
.course-items{overflow-y:auto;display:flex;flex-direction:column;gap:6px;padding:2px}
.ci{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:12px;background:var(--soft)}
.ci-media{position:relative;flex:none;width:84px}
.ci-media .ci-mark{position:absolute;left:4px;top:4px;width:22px;height:22px;border-radius:7px;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.ci:hover{filter:brightness(.98)}
.ci-mark{flex:none;width:26px;height:26px;border-radius:8px;background:#fff;display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--muted)}
.ci-text{display:flex;flex-direction:column;gap:2px;min-width:0;font-size:14px;font-weight:500;color:var(--ink);line-height:1.35}
.ci-text small{color:var(--muted);font-weight:400;font-size:12.5px}
.ci.done{background:var(--green-soft)}
.ci.done .ci-mark{color:#fff;background:var(--green)}
.ci.wait .ci-text > span{color:var(--muted)}
.ci.active{background:var(--primary-soft);box-shadow:inset 0 0 0 1.5px var(--primary)}
.ci.active .ci-mark{background:var(--primary);color:#fff}

/* ---------- профиль ---------- */
.account-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
.account-grid > .panel{padding:28px}
.profile{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.profile > div{flex:1;min-width:180px}
.profile h2{font-size:22px;font-weight:700}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.form .btn{margin-top:4px}

/* ---------- админка ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}
.stat{padding:18px 20px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:28px;font-weight:700;color:var(--ink)}
.stat b small{font-size:16px;font-weight:500;color:var(--muted)}
.stat span{color:var(--muted);font-size:14px}
.table-panel{padding:4px 8px}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px}
th{text-align:left;font-size:13px;font-weight:500;color:var(--muted);padding:14px 12px;border-bottom:1px solid var(--line)}
td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
.td-title{display:flex;align-items:center;gap:12px}
.td-title a{font-weight:500;color:var(--ink)}
.td-title a:hover{color:var(--primary)}
.row-acts{display:flex;gap:4px;justify-content:flex-end;align-items:center}
.row-acts form{display:inline}
.form-panel{padding:28px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.grid3{display:grid;grid-template-columns:200px 1fr 200px;gap:0 20px}
.form-acts{display:flex;gap:12px;margin-top:8px}
.users-grid{display:grid;grid-template-columns:380px minmax(0,1fr);gap:24px;align-items:start}
.user-list{display:flex;flex-direction:column;gap:12px}
.user-card{padding:18px 20px;display:flex;flex-direction:column;gap:14px}
.user-head{display:flex;align-items:center;gap:14px}
.user-head .avatar{margin:0}
.user-head > div:nth-child(2){flex:1}
.user-head h3{font-size:16px;font-weight:600}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:32px}
.rules .panel{padding:18px 20px}
.rules b{display:block;color:var(--ink);margin-bottom:4px}
.rules p{color:var(--muted);font-size:14px}
.chan-list{display:flex;flex-direction:column;gap:10px}
.chan{display:grid;grid-template-columns:44px minmax(0,1fr) 240px 160px auto;gap:14px;align-items:center;padding:14px 16px}
.chan-ic{width:44px;height:44px;border-radius:12px;background:var(--t);color:var(--c);display:grid;place-items:center}
.chan-info{display:flex;flex-direction:column;min-width:0}
.chan-info b{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chan-info small{color:var(--muted);font-size:13px}
.add-chan .small{margin-top:12px}

/* ---------- адаптив ---------- */
@media (max-width:1200px){
  .cards3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lesson-grid{grid-template-columns:1fr}
  .course-list{position:static;max-height:420px}
  .chan{grid-template-columns:44px minmax(0,1fr);}
  .chan .inp-sm,.chan .row-acts{grid-column:2}
  .chan .row-acts{justify-content:flex-start}
  .users-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  body{padding-bottom:calc(68px + env(safe-area-inset-bottom,0px))}
  .topbar{height:60px;padding:0 16px;gap:12px}
  .brand{width:auto;font-size:19px}
  .brand span{display:none}
  .avatar{width:38px;height:38px;font-size:13px}
  .shell{display:block}
  .side{display:none}
  .main{padding:20px 16px 32px}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));justify-content:space-around}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--muted);padding:4px 6px;border-radius:10px;min-width:0}
  .tabbar a[aria-current="page"]{color:var(--primary)}
  .cards3,.stats,.rules,.grid2,.grid3,.account-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .page-head h1,.block-head h1{font-size:24px}
  .block-head h2{font-size:20px}
  .cal{display:none}
  .agenda{display:flex;flex-direction:column;gap:10px}
  .agenda-day{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:14px;border-radius:16px;background:var(--surface);border:1px solid var(--line)}
  .agenda-date{display:flex;flex-direction:column;align-items:center}
  .agenda-date b{font-size:24px;color:var(--ink);line-height:1.1}
  .agenda-date span{font-size:12px;color:var(--muted)}
  .agenda-day.today .agenda-date b{color:var(--primary)}
  .agenda-items{display:flex;flex-direction:column;gap:8px;min-width:0}
  .agenda-item{display:flex;flex-direction:column;align-items:flex-start;gap:6px;font-weight:500;color:var(--ink);font-size:14px}
  .month-nav{width:100%;justify-content:space-between}
  .lesson-info{padding:18px}
  .lesson-title{font-size:21px}
  .player{border-radius:14px}
  .pager{grid-template-columns:1fr}
  .pager-btn.next{grid-column:1}
  .hero-card{min-height:0}
  .auth-card{padding:28px 22px}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}

/* загрузка видео в админке */
.downloads{padding:20px 24px;margin-bottom:32px}
.downloads .block-head{margin-bottom:12px}
.downloads .block-head h2{font-size:18px}
.dl-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.dl-row .meter{grid-column:1 / -1}
.dl-pct{font-weight:600;color:var(--ink);font-size:14px}
.downloads p + p{margin-top:8px}
.downloads .small{margin-top:10px}

/* ---------- превью уроков ---------- */
.thumb{position:relative;aspect-ratio:16/9;width:100%;overflow:hidden;border-radius:12px;background:var(--t)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.tile:hover .thumb img,.hero-card:hover .thumb img{transform:scale(1.03)}
.thumb-ph{position:absolute;inset:0;display:grid;place-items:center;
  background:radial-gradient(120% 90% at 0% 0%,rgba(255,255,255,.65),transparent 60%),linear-gradient(135deg,var(--t),color-mix(in srgb,var(--c) 22%,var(--t)))}
.thumb-ph span{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.8);color:var(--c);display:grid;place-items:center}
.thumb-ph .ic{margin-left:2px}
.thumb-veil{position:absolute;inset:0;background:rgba(246,248,252,.55);backdrop-filter:grayscale(.6)}
.thumb-dur{position:absolute;right:8px;bottom:8px;padding:2px 7px;border-radius:6px;background:rgba(10,16,30,.78);color:#fff;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.thumb-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.45)}
.thumb-bar i{display:block;height:100%;background:var(--c)}
.thumb.xs{border-radius:8px}
.thumb.xs .thumb-ph span{width:26px;height:26px}
.thumb.xs .thumb-ph .ic{width:14px;height:14px}

/* шаги чек-листа точками */
.steps{display:inline-flex;gap:4px;align-items:center}
.steps i{width:8px;height:8px;border-radius:50%;background:rgba(16,27,51,.12)}
.steps i.on{background:var(--green)}

/* ---------- плеер ---------- */
.vp{position:relative;aspect-ratio:16/9;width:100%;border-radius:var(--r-lg);overflow:hidden;background:#05080F;color:#fff;outline:none;user-select:none;-webkit-user-select:none}
.vp:focus-visible{box-shadow:0 0 0 3px var(--primary)}
.vp video{width:100%;height:100%;display:block;background:#000;object-fit:contain;cursor:pointer}
.vp.is-fs{border-radius:0;aspect-ratio:auto;width:100vw;height:100vh}
.vp.idle{cursor:none}
.vp.idle video{cursor:none}
.vp-big{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--primary);
  display:grid;place-items:center;box-shadow:0 10px 40px rgba(0,0,0,.35);transition:transform .15s,opacity .2s}
.vp-big .ic{margin-left:5px}
.vp-big:hover{transform:scale(1.06)}
.vp.started .vp-big{opacity:0;pointer-events:none}
.vp.started:not(.playing) .vp-big{opacity:1;pointer-events:auto}
.vp-spin{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;border:4px solid rgba(255,255,255,.25);border-top-color:#fff;
  animation:vpspin .8s linear infinite;opacity:0;pointer-events:none;transition:opacity .2s}
.vp.loading .vp-spin{opacity:1}
.vp.loading .vp-big{opacity:0}
@keyframes vpspin{to{transform:rotate(360deg)}}
.vp-toast{position:absolute;left:50%;top:18%;transform:translate(-50%,-6px);padding:8px 14px;border-radius:999px;background:rgba(10,16,30,.75);font-weight:600;font-size:15px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;backdrop-filter:blur(6px)}
.vp-toast.show{opacity:1;transform:translate(-50%,0)}
.vp-ui{position:absolute;left:0;right:0;bottom:0;padding:40px 14px 8px;background:linear-gradient(transparent,rgba(5,8,15,.82));transition:opacity .25s}
.vp:not(.started) .vp-ui{opacity:0;pointer-events:none}
.vp.idle .vp-ui{opacity:0;pointer-events:none}
.vp-track{position:relative;height:18px;display:flex;align-items:center;cursor:pointer;touch-action:none;margin:0 4px}
.vp-rail{position:relative;flex:1;height:4px;border-radius:999px;background:rgba(255,255,255,.22);overflow:hidden;transition:height .12s}
.vp-track:hover .vp-rail,.vp.scrub .vp-rail{height:6px}
.vp-buf,.vp-fill{position:absolute;left:0;top:0;bottom:0;width:0}
.vp-buf{background:rgba(255,255,255,.35)}
.vp-fill{background:var(--primary)}
.vp-knob{position:absolute;top:50%;left:0;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(47,107,255,.35);transform:scale(0);transition:transform .12s}
.vp-track:hover .vp-knob,.vp.scrub .vp-knob{transform:scale(1)}
.vp-tip{position:absolute;bottom:22px;left:0;transform:translateX(-50%);padding:3px 8px;border-radius:6px;background:rgba(10,16,30,.9);font-size:12.5px;font-weight:600;
  font-variant-numeric:tabular-nums;opacity:0;pointer-events:none;transition:opacity .12s;white-space:nowrap}
.vp-track:hover .vp-tip,.vp.scrub .vp-tip{opacity:1}
.vp-bar{display:flex;align-items:center;gap:2px;margin-top:2px}
.vp-btn{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;color:#fff;opacity:.92}
.vp-btn:hover{background:rgba(255,255,255,.12);opacity:1}
.vp-btn .i-pause,.vp.playing .vp-btn .i-play{display:none}
.vp.playing .vp-btn .i-pause{display:block}
.vp-btn .i-mute,.vp.muted .vp-btn .i-vol{display:none}
.vp.muted .vp-btn .i-mute{display:block}
.vp-btn .i-fsx,.vp.is-fs .vp-btn .i-fs{display:none}
.vp.is-fs .vp-btn .i-fsx{display:block}
.vp-vol{display:flex;align-items:center}
.vp-vol input{width:0;opacity:0;transition:width .2s,opacity .2s;accent-color:#fff;cursor:pointer}
.vp-vol:hover input,.vp-vol:focus-within input{width:84px;opacity:1;margin-right:6px}
.vp-time{font-size:13.5px;font-weight:500;font-variant-numeric:tabular-nums;margin-left:8px;white-space:nowrap;opacity:.95}
.vp-gap{flex:1}
.vp-rate{width:auto;min-width:48px;padding:0 10px;font-weight:700;font-size:14px}
.vp-speed{position:relative}
.vp-menu{position:absolute;right:0;bottom:50px;min-width:170px;padding:6px;border-radius:14px;background:rgba(18,24,38,.96);backdrop-filter:blur(10px);box-shadow:0 12px 32px rgba(0,0,0,.4)}
.vp-menu p{font-size:12px;font-weight:600;opacity:.6;padding:6px 10px 4px;text-transform:uppercase;letter-spacing:.04em}
.vp-menu button{display:flex;width:100%;align-items:center;height:36px;padding:0 10px;border-radius:9px;color:#fff;font-size:14px;font-weight:500}
.vp-menu button:hover{background:rgba(255,255,255,.1)}
.vp-menu button[aria-checked="true"]{color:#8FB1FF;font-weight:700}
.vp-menu button[aria-checked="true"]::after{content:"✓";margin-left:auto}

/* ---------- чек-лист ---------- */
.checklist{padding:22px 24px;margin-top:20px;position:relative;overflow:hidden}
.cl-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.cl-head h2{font-size:19px;font-weight:700}
.cl-count{white-space:nowrap;color:var(--muted);font-size:14px}
.cl-count b{font-size:22px;color:var(--ink)}
.cl-meter{margin:14px 0 16px}
.cl-meter i{transition:width .35s ease;background:var(--green)}
.cl-items{display:flex;flex-direction:column;gap:8px}
.step{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px;background:var(--soft);cursor:pointer;transition:background .15s}
.step:hover{background:#EBEFF6}
.step input{position:absolute;opacity:0;pointer-events:none}
.step .box{flex:none;width:26px;height:26px;border-radius:8px;background:#fff;box-shadow:inset 0 0 0 1.5px #C8D0DD;display:grid;place-items:center;color:transparent;transition:all .15s}
.step input:focus-visible + .box{outline:2px solid var(--primary);outline-offset:2px}
.step.on{background:var(--green-soft)}
.step.on .box{background:var(--green);box-shadow:none;color:#fff;animation:pop .25s ease}
.step-text{display:flex;flex-direction:column;font-weight:500;color:var(--ink)}
.step.on .step-text{color:#126B3B}
.step-text small{font-weight:400;color:var(--muted);font-size:12.5px}
.step input:disabled ~ .step-text{cursor:default}
@keyframes pop{0%{transform:scale(.7)}60%{transform:scale(1.15)}100%{transform:scale(1)}}
.cl-done{display:none;align-items:center;gap:14px;margin-top:14px;padding:14px 16px;border-radius:14px;background:linear-gradient(135deg,#E6F6EC,#F0FAF4);border:1px solid #BFE6CD}
.cl-done > div{flex:1}
.cl-done b{color:#126B3B;font-size:16px}
.cl-done-ic{width:42px;height:42px;border-radius:12px;background:var(--green);color:#fff;display:grid;place-items:center}
.checklist.is-closed .cl-done{display:flex}
.checklist.just-closed .cl-done{animation:rise .45s ease}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- прогресс ---------- */
.pcourse{padding:22px 24px;margin-bottom:24px}
.pcourse-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.pcourse-title{flex:1;min-width:160px}
.pcourse-title h2{font-size:22px;font-weight:700}
.pcourse-next{max-width:360px;min-width:0}
.ring{position:relative;width:76px;height:76px;flex:none}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke:var(--t);stroke-width:7}
.ring .ring-on{stroke:var(--c);stroke-linecap:round;stroke-dasharray:var(--p) 100;transition:stroke-dasharray .6s}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:17px;color:var(--ink)}
.pmonth{border-top:1px solid var(--line)}
.pmonth summary{display:flex;align-items:center;gap:12px;padding:14px 4px;cursor:pointer;list-style:none}
.pmonth summary::-webkit-details-marker{display:none}
.pmonth summary .ic{margin-left:auto;color:var(--muted);transition:transform .2s}
.pmonth[open] summary .ic{transform:rotate(90deg)}
.pmonth-title{font-weight:600;color:var(--ink);font-size:16px}
.pmonth .meter-sm{margin:0;width:120px}
.prows{display:flex;flex-direction:column;gap:6px;padding:0 0 14px}
.prow{display:grid;grid-template-columns:112px minmax(0,1fr) auto;gap:14px;align-items:center;padding:8px;border-radius:14px;transition:background .15s}
.prow:hover{background:var(--soft)}
.prow-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.prow-text b{font-weight:600;color:var(--ink);font-size:15px;line-height:1.35}
.prow-text small{color:var(--muted);font-size:13px}
.prow-state{display:flex;align-items:center;gap:12px}
.prow.closed .prow-text b{color:#126B3B}

/* легенда расписания */
.legend{display:flex;flex-wrap:wrap;gap:8px 18px;margin:-8px 0 16px;font-size:13px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;background:var(--c)}
.legend .lg-wait i{background:#C3CBD8}
.legend .lg-done .ic{color:var(--green)}
.agenda-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

@media (max-width:860px){
  .tabbar a span{font-size:10.5px}
  .vp{border-radius:14px}
  .vp-big{width:68px;height:68px;margin:-34px 0 0 -34px}
  .vp-ui{padding:28px 6px 4px}
  .vp-btn{width:38px;height:38px}
  #vpBack,#vpFwd,.vp-vol input,#vpPip{display:none}
  .vp-time{font-size:12.5px;margin-left:2px}
  .checklist{padding:18px}
  .pcourse{padding:18px 16px}
  .pcourse-next{max-width:none;width:100%}
  .prow{grid-template-columns:88px minmax(0,1fr)}
  .prow-state{grid-column:2;justify-content:flex-start}
  .stats{grid-template-columns:1fr 1fr}
}

/* «Скоро выйдут» на странице занятий */
.soon-row{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:12px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
.soon-item{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:16px;background:var(--surface);border:1px dashed #CBD3E0;scroll-snap-align:start;transition:border-color .15s}
.soon-item:hover{border-color:var(--c)}
.soon-date{flex:none;width:52px;height:56px;border-radius:12px;background:var(--t);color:var(--c);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.soon-date b{font-size:22px}
.soon-date small{font-size:12px;font-weight:600;margin-top:3px}
.soon-text{display:flex;flex-direction:column;gap:6px;min-width:0}
.soon-text .tag{align-self:flex-start;height:22px;font-size:12px}
.soon-text b{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.35}
.soon-text small{display:inline-flex;align-items:center;gap:4px;color:var(--muted);font-size:12.5px}