/* --- asosiy reset --- */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img,video{max-width:100%}
[hidden]{display:none!important}
a{color:var(--accent)}

/* Layout: chap tomonda yo'naltiruvchi panel, o'ngda ish maydoni; telefonda panel yuqoridagi gorizontal menyuga aylanadi */
:root{
  --bg:#eef2f1; --surface:#ffffff; --ink:#14211f; --muted:#5b6a67; --line:#d8e0de;
  --accent:#0f6b5c; --accent-ink:#ffffff; --accent-soft:#dfeeea; --gold:#a8681a; --gold-soft:#f6ead9;
  --ok:#2f8a4a; --ok-soft:#e1f2e5; --warn:#b5651d; --warn-soft:#f8e9da; --bad:#b33a3a; --bad-soft:#f8e3e3;
  --side:#13312c; --side-ink:#d6e6e2; --side-muted:#8fb0a9; --side-active:#1f4a42;
  --f-display:"Unbounded","Golos Text",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e1413; --surface:#151d1c; --ink:#e4ebe9; --muted:#93a39f; --line:#25302e;
  --accent:#4cb8a2; --accent-ink:#06201b; --accent-soft:#1a2e2a; --gold:#e3a556; --gold-soft:#2c2416;
  --ok:#5cc07a; --ok-soft:#16291c; --warn:#e39a55; --warn-soft:#2c2117; --bad:#e07070; --bad-soft:#2e1818;
  --side:#0a1110; --side-ink:#cfe0dc; --side-muted:#7f9a94; --side-active:#183530; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e1413; --surface:#151d1c; --ink:#e4ebe9; --muted:#93a39f; --line:#25302e;
  --accent:#4cb8a2; --accent-ink:#06201b; --accent-soft:#1a2e2a; --gold:#e3a556; --gold-soft:#2c2416;
  --ok:#5cc07a; --ok-soft:#16291c; --warn:#e39a55; --warn-soft:#2c2117; --bad:#e07070; --bad-soft:#2e1818;
  --side:#0a1110; --side-ink:#cfe0dc; --side-muted:#7f9a94; --side-active:#183530; color-scheme:dark}

*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--f-body)}
h1,h2,h3{font-family:var(--f-display);font-weight:500;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:1.55rem} h2{font-size:1.1rem} h3{font-size:.98rem}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}

/* ---------- Kirish ---------- */
.auth{min-height:100%;display:grid;grid-template-columns:1.05fr 1fr}
.auth-side{background:var(--side);color:var(--side-ink);padding-block:48px;padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:40px;display:flex;flex-direction:column;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:var(--accent-ink);font-size:.9rem}
.auth-side h1{font-size:2.1rem;line-height:1.15;max-width:15ch;color:var(--side-ink)}
.auth-side .subj{font-family:var(--f-mono);font-size:.8rem;color:var(--gold);letter-spacing:.04em}
.auth-side ul{list-style:none;padding:0;margin:0;display:grid;gap:12px;max-width:44ch;color:var(--side-muted)}
.auth-side li{display:flex;gap:10px}
.auth-side li b{color:var(--side-ink);font-weight:500}
.dot{flex:none;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px}
.auth-main{display:grid;place-items:center;padding-block:40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.auth-card{width:100%;max-width:440px;display:grid;gap:20px}
.tabs{display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:4px}
.tabs button{flex:1;border:0;background:transparent;padding:8px 10px;border-radius:7px;color:var(--muted);font-weight:500}
.tabs button[aria-selected="true"]{background:var(--accent-soft);color:var(--ink)}
form.stack{display:grid;gap:14px}
.field{display:grid;gap:6px;min-width:0}
.field label,.field .flabel{font-size:.85rem;font-weight:500}
.field .hint{font-size:.8rem;color:var(--muted)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input[type=text],input[type=password],input[type=date],input[type=email],input[type=number],select,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
textarea{resize:vertical;min-height:110px}
textarea.code{font-family:var(--f-mono);font-size:.86rem;line-height:1.5;min-height:220px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.seg{display:flex;gap:8px}
.seg label{flex:1;display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 12px;font-size:.92rem;cursor:pointer}
.seg input{accent-color:var(--accent)}
.err{color:var(--bad);font-size:.85rem}
.btn{border:1px solid transparent;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:8px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--accent-soft);filter:none}
.btn.sm{padding:6px 11px;font-size:.85rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn svg{width:16px;height:16px}

/* ---------- Ilova ---------- */
.app{display:grid;grid-template-columns:252px 1fr;min-height:100%}
.side{background:var(--side);color:var(--side-ink);padding:22px 14px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh;overflow:auto;padding-left:max(14px,env(safe-area-inset-left,0px))}
.side .brand{padding:0 8px}
.nav{display:grid;gap:2px}
.nav button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--side-muted);font-size:.93rem}
.nav button:hover{color:var(--side-ink);background:var(--side-active)}
.nav button[aria-current="page"]{background:var(--side-active);color:var(--side-ink);font-weight:500}
.nav button:focus-visible{outline:2px solid var(--gold)}
.nav svg{width:17px;height:17px;flex:none}
.nav-label{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--side-muted);opacity:.75;padding:12px 10px 4px}
.me{margin-top:auto;border-top:1px solid var(--side-active);padding:14px 8px 0;display:grid;gap:10px;font-size:.88rem}
.me .who{display:flex;gap:10px;align-items:center}
.me .who div{min-width:0}
.me small{color:var(--side-muted);display:block;font-size:.78rem}
.role-sw{display:flex;background:var(--side-active);border-radius:8px;padding:3px;gap:3px}
.role-sw button{all:unset;cursor:pointer;flex:1;text-align:center;padding:6px;border-radius:6px;font-size:.8rem;color:var(--side-muted)}
.role-sw button[aria-pressed="true"]{background:var(--side);color:var(--side-ink)}
.logout{all:unset;cursor:pointer;color:var(--side-muted);font-size:.82rem}
.logout:hover{color:var(--side-ink)}
.av{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:600;font-size:.8rem;background:var(--accent-soft);color:var(--accent)}
.side .av{background:var(--gold);color:#241605}

main{min-width:0;padding-block:28px 48px;padding-left:max(28px,env(safe-area-inset-left,0px));padding-right:max(28px,env(safe-area-inset-right,0px))}
.wrap{max-width:1080px;margin:0 auto;display:grid;gap:22px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.head>div{min-width:0}
.head p{margin-top:6px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:500;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.chip.gold{background:var(--gold-soft);color:var(--gold)}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.plain{background:transparent;border:1px solid var(--line);color:var(--muted)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}
.panel-h{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g2{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}

.stat .v{font-family:var(--f-display);font-size:1.9rem;font-weight:500;line-height:1.1;margin-top:8px;font-variant-numeric:tabular-nums}
.stat .v small{font-size:.9rem;color:var(--muted);font-family:var(--f-body);font-weight:400}
.stat p{margin-top:6px;font-size:.86rem;color:var(--muted)}
.bar{height:6px;background:var(--accent-soft);border-radius:99px;overflow:hidden;margin-top:12px}
.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}

.brk{display:grid;gap:12px}
.brk-row{display:grid;grid-template-columns:12px minmax(0,1fr) auto;gap:10px;align-items:baseline;font-size:.92rem}
.brk-row .sw{width:10px;height:10px;border-radius:3px;align-self:center}
.brk-row small{display:block;color:var(--muted);font-size:.8rem}
.total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid var(--line);padding-top:12px;flex-wrap:wrap}
.total .v{font-family:var(--f-display);font-size:1.6rem}
.cells{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}
.cells i{width:22px;height:22px;border-radius:5px;background:var(--bg);border:1px solid var(--line);position:relative;overflow:hidden}
.cells i b{position:absolute;left:0;bottom:0;right:0;background:var(--accent)}

.quick{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.quick button{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:14px;text-align:left;display:grid;gap:10px}
.quick button:hover{border-color:var(--accent)}
.quick svg{width:22px;height:22px;color:var(--accent)}
.quick b{font-weight:500;font-size:.93rem}

.rank{background:var(--side);color:var(--side-ink);border:0}
.rank .big{font-family:var(--f-display);font-size:3rem;line-height:1;color:var(--gold)}
.rank .label{color:var(--side-muted)}
.rank .kv{display:flex;justify-content:space-between;gap:10px}
.rank .kv span{color:var(--side-muted)}

table{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl{overflow-x:auto}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
td.c,th.c{text-align:center}
tr.mine td{background:var(--accent-soft)}
.pos{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--bg);font-family:var(--f-mono);font-size:.82rem}
.pos.p1{background:var(--gold);color:#241605}.pos.p2{background:#c9d1cf;color:#1d2624}.pos.p3{background:#d7a679;color:#2a1808}
.person{display:flex;align-items:center;gap:10px;min-width:180px}
.dash-cell{color:var(--muted)}

.list{display:grid}
.item{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.item:first-child{padding-top:0}.item:last-child{border-bottom:0;padding-bottom:0}
.item .t{display:grid;gap:3px;min-width:0;flex:1 1 260px}
.item .t b{font-weight:500}
.item .meta{font-size:.84rem;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

.subtabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.subtabs button{all:unset;cursor:pointer;padding:10px 14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;font-weight:500}
.subtabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}

/* topshiriq */
.work{grid-column:1/-1;display:grid;gap:18px;margin-top:8px;padding:18px;border-radius:10px;background:var(--bg);border:1px solid var(--line)}
.sect{display:grid;gap:6px;max-width:74ch}
.sect p{white-space:pre-wrap}
.tfile{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);flex-wrap:wrap}
.tfile .ext{width:40px;height:46px;border-radius:6px;background:var(--gold-soft);color:var(--gold);display:grid;place-items:center;font-family:var(--f-mono);font-size:.7rem;font-weight:500;flex:none;text-transform:uppercase}
.tfile .nm{flex:1 1 180px;min-width:0;display:grid}
.tfile .nm b{font-weight:500;overflow-wrap:anywhere}
.tfile .nm small{color:var(--muted)}
pre.viewer{margin:0;max-height:360px;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;font-family:var(--f-mono);font-size:.82rem;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.drop{display:grid;place-items:center;text-align:center;gap:6px;border:1.5px dashed var(--line);border-radius:10px;padding:22px 14px;background:var(--surface);cursor:pointer;color:var(--muted);font-size:.9rem}
.drop:hover,.drop.over{border-color:var(--accent);color:var(--ink)}
.drop b{color:var(--accent);font-weight:600}
.drop svg{width:24px;height:24px;color:var(--accent)}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.files{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.files li{display:flex;align-items:center;gap:10px;font-size:.9rem;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:7px 10px}
.files li span{flex:1;min-width:0;overflow-wrap:anywhere}
.files li small{color:var(--muted);font-family:var(--f-mono)}
.x{all:unset;cursor:pointer;width:24px;height:24px;display:grid;place-items:center;border-radius:6px;color:var(--muted)}
.x:hover{background:var(--bad-soft);color:var(--bad)}
.x:focus-visible{outline:2px solid var(--accent)}
.newform{display:grid;gap:14px}
.newform .row2{align-items:start}

/* chat */
.chat{display:grid;grid-template-rows:1fr auto;height:520px;min-height:0}
.msgs{overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:4px 2px 14px}
.msg{display:flex;gap:10px;max-width:78%}
.msg .bub{background:var(--bg);border:1px solid var(--line);padding:9px 12px;border-radius:4px 12px 12px 12px;min-width:0;overflow-wrap:anywhere;white-space:pre-wrap}
.msg .nm{font-size:.78rem;color:var(--muted);margin-bottom:2px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .bub{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);border-radius:12px 4px 12px 12px}
.msg.me .nm{justify-content:flex-end}
.msg.teacher .bub{border-color:var(--gold);background:var(--gold-soft)}
.file{display:inline-flex;gap:6px;align-items:center;margin-top:6px;font-size:.84rem;padding:5px 9px;border-radius:6px;background:rgba(127,127,127,.15)}
.composer{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:12px;flex-wrap:wrap}
.composer input{flex:1 1 200px}
.chat-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px}
.glist{display:grid;gap:4px;align-content:start}
.glist button{border:1px solid transparent;background:transparent;text-align:left;padding:10px 12px;border-radius:8px;display:grid;gap:2px;min-width:0}
.glist button[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--line)}
.glist small{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* AI */
.ai-box{display:grid;gap:14px}
.tries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.try{border:1px dashed var(--line);border-radius:10px;padding:12px;display:grid;gap:4px;text-align:center;background:var(--surface)}
.try .v{font-family:var(--f-display);font-size:1.5rem}
.try.best{border:1px solid var(--accent);background:var(--accent-soft)}
.try.err .v{color:var(--bad);font-size:1rem}
.pulse{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.note{display:flex;gap:10px;background:var(--gold-soft);color:var(--ink);border-radius:10px;padding:12px 14px;font-size:.9rem}
.note b{color:var(--gold)}
.note.err{background:var(--bad-soft)}
.note.err b{color:var(--bad)}
.note svg{width:20px;height:20px;flex:none}
.lock{display:grid;place-items:center;text-align:center;gap:10px;padding:34px 16px;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}
.lock svg{width:28px;height:28px}
.result{display:grid;gap:14px;border:1px solid var(--line);border-radius:10px;padding:16px;background:var(--surface)}
.result .big{font-family:var(--f-display);font-size:2.2rem;line-height:1}
.crit{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.9rem}
.crit li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;align-items:start}
.crit li small{color:var(--muted);display:block}
.mark{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:700}
.mark.y{background:var(--ok-soft);color:var(--ok)}
.mark.n{background:var(--bad-soft);color:var(--bad)}
.fb{border-left:3px solid var(--accent);padding:2px 0 2px 12px;font-size:.92rem}

/* video */
.vids{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.vid{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid}
.thumb{aspect-ratio:16/9;max-width:100%;position:relative;display:grid;place-items:center;background:linear-gradient(135deg,var(--side),var(--accent))}
.thumb .play{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:#13312c}
.thumb .dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.7);color:#fff;font-size:.75rem;padding:2px 6px;border-radius:4px;font-family:var(--f-mono)}
.thumb .no{position:absolute;left:12px;top:10px;color:rgba(255,255,255,.8);font-family:var(--f-mono);font-size:.78rem}
.vid .b{padding:12px 14px;display:grid;gap:4px}

/* test */
.q{display:grid;gap:10px;padding:16px 0;border:0;border-bottom:1px solid var(--line);margin:0;padding-inline:0}
.q:last-of-type{border-bottom:0}
.q legend{padding:0 0 10px;font-weight:500}
.opt{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:9px 12px;cursor:pointer}
.opt input{accent-color:var(--accent)}
.opt.right{border-color:var(--ok);background:var(--ok-soft)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}

.members{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.mem{border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;gap:10px;background:var(--bg);align-content:start}
.mem .top{display:flex;gap:10px;align-items:center}
.mem .top div{min-width:0}
.mem b{font-weight:500;display:block}
.crown{color:var(--gold)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-size:.9rem;z-index:50;max-width:calc(100% - 32px)}
.demo{font-size:.78rem;color:var(--muted)}

@media (max-width:980px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2{grid-template-columns:1fr}
  .vids,.members{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:820px){
  .auth{grid-template-columns:1fr}
  .auth-side{padding-block:28px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .auth-side h1{font-size:1.5rem}
  .auth-side ul{display:none}
  .app{grid-template-columns:1fr}
  .side{position:sticky;top:0;height:auto;z-index:20;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:10px max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px));padding-top:calc(10px + env(safe-area-inset-top,0px))}
  .nav{display:flex;overflow-x:auto;order:3;width:100%;gap:4px;scrollbar-width:none}
  .nav button{white-space:nowrap;padding:7px 10px;font-size:.86rem}
  .nav-label{display:none}
  .me{margin:0 0 0 auto;border:0;padding:0;display:flex;align-items:center;gap:10px}
  .me .who div,.logout{display:none}
  .role-sw{width:160px}
  main{padding-block:20px 40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .chat-wrap{grid-template-columns:1fr}
  .glist{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto}
}
@media (max-width:560px){
  .g3,.g4,.vids,.members,.quick{grid-template-columns:1fr 1fr}
  .g3>.panel:first-child{grid-column:1/-1}
  .row2{grid-template-columns:1fr}
  .msg{max-width:92%}
  .chat{height:460px}
  .stat .v{font-size:1.5rem}
  .work{padding:12px}
}
@media (max-width:400px){.vids,.members{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* --- server versiyasi uchun qo'shimchalar --- */
.loading{color:var(--muted);padding:40px 0;text-align:center}
.empty{color:var(--muted);font-size:.92rem;padding:8px 0}
.form-grid{display:grid;gap:14px}
.vid video{width:100%;aspect-ratio:16/9;background:#000;display:block}
.vid iframe{width:100%;aspect-ratio:16/9;border:0;display:block;background:#000}
.vid .link-thumb{aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,var(--side),var(--accent));color:#fff;text-decoration:none;font-weight:600}
.qb{border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;gap:10px;background:var(--bg)}
.qb .opts{display:grid;gap:8px}
.qb .opt-row{display:flex;gap:8px;align-items:center}
.qb .opt-row input[type=radio]{accent-color:var(--accent);flex:none;width:18px;height:18px}
.mrow{display:grid;grid-template-columns:auto minmax(0,1.2fr) minmax(0,1fr) minmax(0,1.4fr) auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.mrow:last-child{border-bottom:0}
.mrow input[type=text]{padding:7px 10px}
.mrow .cb{width:18px;height:18px;accent-color:var(--accent)}
.mrow label.cap{display:flex;gap:6px;align-items:center;font-size:.82rem;color:var(--muted);white-space:nowrap}
.mrow label.cap input{accent-color:var(--gold)}
.mrow .nm{min-width:0;overflow-wrap:anywhere}
.mrow small{color:var(--muted);display:block}
.inline-sel{width:auto!important;padding:6px 10px!important}
input[type=file].plain{font-size:.88rem}
.sub-files{display:flex;gap:6px;flex-wrap:wrap}
.sub-files a{font-size:.82rem;padding:3px 8px;border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink)}
.sub-files a:hover{border-color:var(--accent)}
details.more summary{cursor:pointer;color:var(--accent);font-size:.85rem}
details.more[open] summary{margin-bottom:8px}
.pw{display:grid;gap:12px;max-width:420px}
@media (max-width:820px){
  .mrow{grid-template-columns:auto minmax(0,1fr) auto}
  .mrow .rt,.mrow .tt{grid-column:2/-1}
}
a.btn{text-decoration:none}
.side{align-self:start}
@media (max-width:820px){
  .me .logout{display:inline;font-size:.78rem}
  .me{flex-wrap:wrap;justify-content:flex-end}
}

/* ===== NetAcademy: kirish sahifasi ===== */
.auth{min-height:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.auth-hero{position:relative;overflow:hidden;background:radial-gradient(120% 90% at 20% 15%,#1d4a42 0%,#13312c 45%,#0b1f1b 100%);color:#d6e6e2;min-height:100vh}
.auth-hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.wordmark{position:absolute;left:max(40px,env(safe-area-inset-left,0px));right:40px;bottom:48px;display:grid;gap:10px;pointer-events:none}
.wm{font-family:var(--f-display);font-weight:600;font-size:clamp(2.6rem,5.4vw,4.6rem);line-height:1;letter-spacing:-.03em;color:#eaf4f1;text-shadow:0 2px 24px rgba(6,20,17,.6)}
.wm em{font-style:normal;color:#e3a556}
.wm-sub{font-size:1.05rem;color:#b9d3cd;letter-spacing:.01em}
.wm-code{font-family:var(--f-mono);font-size:.78rem;color:#7fa79e;letter-spacing:.04em}
.auth-main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding-block:28px 40px}
.auth-top{width:100%;max-width:440px;display:flex;justify-content:flex-end}
.link-btn{all:unset;cursor:pointer;color:var(--accent);font-size:.9rem;justify-self:center;text-align:center}
.link-btn:hover{text-decoration:underline}
.link-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ===== Til va fon tugmalari ===== */
.prefs{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.langs{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.langs button{all:unset;cursor:pointer;padding:5px 9px;font-size:.76rem;font-weight:600;letter-spacing:.04em;color:var(--muted)}
.langs button+button{border-left:1px solid var(--line)}
.langs button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.langs button:focus-visible,.theme-btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.theme-btn{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--line);border-radius:8px;font-size:.8rem;color:var(--ink);background:var(--surface)}
.theme-btn svg{width:15px;height:15px}
.prefs.on-dark .langs{border-color:var(--side-active);background:transparent}
.prefs.on-dark .langs button{color:var(--side-muted)}
.prefs.on-dark .langs button+button{border-left-color:var(--side-active)}
.prefs.on-dark .langs button[aria-pressed="true"]{background:var(--side-active);color:var(--side-ink)}
.prefs.on-dark .theme-btn{border-color:var(--side-active);background:transparent;color:var(--side-ink)}

/* ===== Yon panel pastki qismi ===== */
.me .who{all:unset;cursor:pointer;display:flex;gap:10px;align-items:center;border-radius:8px;padding:6px;margin:0 -6px}
.me .who:hover{background:var(--side-active)}
.me .who:focus-visible{outline:2px solid var(--gold)}
.me-links{display:flex;gap:14px;flex-wrap:wrap}
.me .logout{display:inline-flex;align-items:center;gap:6px}
.brand-mark{font-size:.78rem;letter-spacing:.02em}

@media (max-width:820px){
  .auth{grid-template-columns:1fr}
  .auth-hero{min-height:230px}
  .wordmark{bottom:22px;left:max(16px,env(safe-area-inset-left,0px));right:16px;gap:6px}
  .wm{font-size:2.3rem}
  .wm-code{display:none}
  .auth-main{justify-content:flex-start;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .side .prefs{order:2}
  .me{gap:8px}
  .me .who div{display:none}
  .me .who{margin:0;padding:2px}
  .me-links{gap:10px}
  .me .logout{display:inline-flex;font-size:.78rem}
}

.field{align-content:start}
.row2{align-items:start}
@media (min-width:821px){
  .auth{align-items:start}
  .auth-hero{position:sticky;top:0;height:100vh;min-height:0}
}

.demo-box{display:grid;gap:10px;border:1px dashed var(--line);border-radius:12px;padding:14px;background:var(--surface)}
.demo-box .btn{flex:1 1 160px}