/* =========================================================
   Sejong So'zlik — dizayn tizimi
   Rang palitrasi koreys "dancheong" bo'yog'idan olingan:
   yashil-nefrit, quyuq siyoh, zarhal va shanni qizil.
   ========================================================= */

:root{
  --ink:#10231F;
  --ink-2:#2A3D38;
  --muted:#6B7C77;
  --jade:#0E7C66;
  --jade-d:#0A5F4E;
  --jade-l:#E4F1ED;
  --vermilion:#D9483F;
  --vermilion-l:#FCEBEA;
  --gold:#E0A33B;
  --gold-l:#FBF0DC;
  --paper:#F1F5F3;
  --surface:#FFFFFF;
  --line:#E2E8E5;
  --line-2:#EEF2F0;

  --r-s:10px; --r-m:16px; --r-l:22px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(16,35,31,.05), 0 2px 8px rgba(16,35,31,.05);
  --sh-2:0 4px 16px rgba(16,35,31,.09);
  --sh-3:0 12px 34px rgba(16,35,31,.14);

  --font:'Gabarito',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ko:'Noto Sans KR','Gabarito',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --tab-h:64px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}

/* fon naqshi — hanji qog'ozining sokin to'ri */
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px, rgba(14,124,102,.07) 1px, transparent 0);
  background-size:22px 22px;
}

h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.2}
p{margin:0 0 12px}
a{color:var(--jade);text-decoration:none}

/* ---------- Karkas ---------- */
.wrap{
  max-width:520px;margin:0 auto;
  padding:16px 16px calc(24px + env(safe-area-inset-bottom));
}
.wrap.has-nav{padding-bottom:calc(var(--tab-h) + 30px + env(safe-area-inset-bottom))}
.wrap.narrow{max-width:430px}
.wrap.wide{max-width:1100px}

/* ---------- Yuqori panel ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(241,245,243,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line-2);
  padding-top:env(safe-area-inset-top);
}
.topbar-in{
  max-width:520px;margin:0 auto;height:56px;
  display:flex;align-items:center;gap:10px;padding:0 10px;
}
.topbar-title{
  flex:1;text-align:center;font-weight:700;font-size:16.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.icon-btn{
  width:38px;height:38px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;color:var(--ink);background:transparent;border:0;
}
.icon-btn:active{background:var(--line-2)}
.brand-mark{
  width:34px;height:34px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--jade);color:#fff;border-radius:11px;
  font-family:var(--ko);font-weight:900;font-size:17px;
}
.avatar-mini{
  width:32px;height:32px;border-radius:50%;
  background:var(--jade-l);color:var(--jade-d);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;
}

/* ---------- Pastki tab paneli ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:45;
  display:flex;justify-content:center;gap:2px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
}
.tab{
  flex:1;max-width:104px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;border-radius:14px;
  color:var(--muted);font-size:10.5px;font-weight:600;letter-spacing:-.01em;
  transition:color .16s;
}
.tab svg{width:23px;height:23px}
.tab.on{color:var(--jade)}
.tab.on svg{stroke-width:2.2}
.tab:active{background:var(--line-2)}

/* ---------- Kartochkalar ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-l);padding:18px;margin-bottom:14px;
  box-shadow:var(--sh-1);
}
.card.tight{padding:14px}
.card.flat{box-shadow:none}
.card-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:12px}

.page-title{font-size:26px;margin:6px 0 4px;letter-spacing:-.03em}
.page-sub{color:var(--muted);font-size:14.5px;margin-bottom:18px}

/* ---------- Salomlashuv bloki ---------- */
.hero{
  background:linear-gradient(150deg,var(--jade) 0%,var(--jade-d) 100%);
  color:#fff;border-radius:var(--r-xl);padding:20px;margin-bottom:16px;
  position:relative;overflow:hidden;box-shadow:var(--sh-2);
}
.hero::after{
  content:'한';position:absolute;right:-14px;bottom:-38px;
  font-family:var(--ko);font-weight:900;font-size:132px;
  color:rgba(255,255,255,.09);line-height:1;pointer-events:none;
}
.hero h2{font-size:22px;margin-bottom:2px}
.hero .hello{opacity:.82;font-size:13.5px;font-weight:500}
.hero-row{display:flex;gap:22px;margin-top:16px;position:relative;z-index:1}
.hero-stat b{display:block;font-family:var(--mono);font-size:21px;font-weight:700;letter-spacing:-.02em}
.hero-stat span{font-size:11.5px;opacity:.8;font-weight:500}

/* ---------- Progress ---------- */
.bar{height:9px;background:var(--line-2);border-radius:99px;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--jade);border-radius:99px;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar.on-dark{background:rgba(255,255,255,.25)}
.bar.on-dark > i{background:var(--gold)}

/* ---------- Statistika to'ri ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:13px 12px;text-align:center;
}
.stat b{display:block;font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:-.03em}
.stat span{font-size:11.5px;color:var(--muted);font-weight:600}
.stat.jade b{color:var(--jade)}
.stat.gold b{color:var(--gold)}
.stat.red  b{color:var(--vermilion)}

/* ---------- Ro'yxat elementi ---------- */
.row{
  display:flex;align-items:center;gap:12px;
  padding:13px 0;border-bottom:1px solid var(--line-2);
}
.row:last-child{border-bottom:0}
.row-main{flex:1;min-width:0}
.row-main b{display:block;font-size:15.5px;font-weight:600}
.row-main small{color:var(--muted);font-size:12.5px}
.row-end{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}

.lesson-link{
  display:flex;align-items:center;gap:13px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:13px 14px;margin-bottom:9px;
  color:var(--ink);box-shadow:var(--sh-1);
}
.lesson-link:active{transform:scale(.985)}
.lesson-no{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:var(--jade-l);color:var(--jade-d);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:14px;
}
.lesson-no.done{background:var(--jade);color:#fff}
.lesson-body{flex:1;min-width:0}
.lesson-body b{display:block;font-size:15px;font-weight:600;margin-bottom:5px}
.lesson-body .bar{height:6px}
.lesson-pct{font-family:var(--mono);font-size:12.5px;color:var(--muted);font-weight:700}

/* ---------- Tugmalar ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-size:15.5px;font-weight:700;
  padding:14px 20px;border-radius:15px;border:1px solid transparent;
  cursor:pointer;transition:transform .12s,background .16s;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:scale(.97)}
.btn.block{display:flex;width:100%}
.btn-primary{background:var(--jade);color:#fff}
.btn-primary:active{background:var(--jade-d)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-red{background:var(--vermilion);color:#fff}
.btn-gold{background:var(--gold);color:#3B2A08}
.btn-dark{background:var(--ink);color:#fff}
.btn-sm{padding:9px 14px;font-size:13.5px;border-radius:11px}
.btn:disabled{opacity:.5}

.btn-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ---------- Formalar ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin:0 0 6px}
.field{margin-bottom:14px}
input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%;font-family:var(--font);font-size:16px;color:var(--ink);
  background:var(--surface);border:1.5px solid var(--line);
  border-radius:13px;padding:13px 14px;outline:none;
  transition:border-color .16s,box-shadow .16s;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--jade);box-shadow:0 0 0 3.5px var(--jade-l);
}
textarea{min-height:150px;font-family:var(--mono);font-size:13px;line-height:1.6;resize:vertical}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7C77' stroke-width='2.4' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 13px center;padding-right:38px}

/* ---------- Ogohlantirishlar ---------- */
.alert{
  border-radius:14px;padding:12px 14px;margin-bottom:14px;
  font-size:14px;font-weight:500;border:1px solid;
}
.alert.ok  {background:var(--jade-l);border-color:#BCDFD5;color:#0A5040}
.alert.err {background:var(--vermilion-l);border-color:#F3C9C6;color:#9A2B24}
.alert.warn{background:var(--gold-l);border-color:#EFD9AC;color:#7A5410}

.tick-list{margin:0;padding-left:20px}
.tick-list li{margin-bottom:6px;font-size:14.5px}

/* ---------- Nishonlar ---------- */
.chip{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:99px;
  background:var(--line-2);color:var(--ink-2);
}
.chip.jade{background:var(--jade-l);color:var(--jade-d)}
.chip.gold{background:var(--gold-l);color:#8A5F14}
.chip.red {background:var(--vermilion-l);color:#9A2B24}

/* =========================================================
   FLESHKARTA — dasturning yuragi
   ========================================================= */
.study-head{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.study-head .bar{flex:1}
.study-count{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--muted)}

.card-stage{perspective:1400px;margin-bottom:16px}
.flip{
  position:relative;width:100%;min-height:290px;
  transform-style:preserve-3d;transition:transform .5s cubic-bezier(.3,.8,.3,1);
}
.flip.turned{transform:rotateY(180deg)}
.face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:28px 22px;text-align:center;
}
.face.back{transform:rotateY(180deg);background:var(--jade);border-color:var(--jade);color:#fff}
.face .lang{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.face.back .lang{color:rgba(255,255,255,.7)}
.word-ko{font-family:var(--ko);font-weight:700;font-size:44px;line-height:1.25;letter-spacing:-.02em;word-break:keep-all}
.word-uz{font-size:29px;font-weight:600;line-height:1.3}
.face .hint{margin-top:18px;font-size:12.5px;color:var(--muted);font-weight:500}
.face.back .hint{color:rgba(255,255,255,.75)}

/* muhr — so'z yodlanganda bosiladi */
.seal{
  position:absolute;top:14px;right:14px;
  width:52px;height:52px;border-radius:11px;
  border:2.5px solid var(--vermilion);color:var(--vermilion);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ko);font-weight:900;font-size:23px;
  opacity:0;transform:rotate(-18deg) scale(2.2);
}
.seal.stamped{animation:stamp .5s cubic-bezier(.2,1.4,.4,1) forwards}
@keyframes stamp{
  0%  {opacity:0;transform:rotate(-26deg) scale(2.4)}
  55% {opacity:1;transform:rotate(-11deg) scale(.92)}
  100%{opacity:.92;transform:rotate(-11deg) scale(1)}
}

/* =========================================================
   MASHQ
   ========================================================= */
.q-prompt{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px 20px;text-align:center;margin-bottom:16px;box-shadow:var(--sh-1);
}
.q-prompt .lang{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.q-prompt .q-ko{font-family:var(--ko);font-weight:700;font-size:40px;line-height:1.25;word-break:keep-all}
.q-prompt .q-uz{font-size:27px;font-weight:600;line-height:1.3}

.opts{display:grid;gap:10px}
.opt{
  width:100%;text-align:left;
  background:var(--surface);border:1.5px solid var(--line);border-radius:15px;
  padding:15px 16px;font-family:var(--font);font-size:16.5px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:border-color .14s,background .14s,transform .12s;
  display:flex;align-items:center;gap:12px;
  -webkit-tap-highlight-color:transparent;
}
.opt .key{
  width:26px;height:26px;flex:none;border-radius:8px;background:var(--line-2);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--muted);
}
.opt.ko-text{font-family:var(--ko);font-weight:600}
.opt:active{transform:scale(.985)}
.opt.right{background:var(--jade-l);border-color:var(--jade);color:var(--jade-d)}
.opt.right .key{background:var(--jade);color:#fff}
.opt.wrong{background:var(--vermilion-l);border-color:var(--vermilion);color:#9A2B24}
.opt.wrong .key{background:var(--vermilion);color:#fff}
.opt:disabled{cursor:default}

.q-feedback{
  margin-top:14px;border-radius:15px;padding:14px 16px;font-weight:600;font-size:15px;
  display:none;
}
.q-feedback.show{display:block;animation:slideUp .25s ease}
.q-feedback.ok{background:var(--jade-l);color:var(--jade-d)}
.q-feedback.no{background:var(--vermilion-l);color:#9A2B24}
.q-feedback .ans{font-family:var(--ko);font-weight:700}
@keyframes slideUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* natija ekrani */
.result{text-align:center;padding:26px 18px}
.score-ring{
  width:150px;height:150px;margin:0 auto 18px;position:relative;
}
.score-ring svg{transform:rotate(-90deg)}
.score-ring .val{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.score-ring .val b{font-family:var(--mono);font-size:34px;font-weight:700;line-height:1}
.score-ring .val span{font-size:12px;color:var(--muted);font-weight:600;margin-top:2px}

/* =========================================================
   REYTING
   ========================================================= */
.podium{display:flex;align-items:flex-end;justify-content:center;gap:10px;margin:8px 0 20px}
.pod{flex:1;max-width:112px;text-align:center}
.pod .ava{
  width:54px;height:54px;margin:0 auto 8px;border-radius:50%;
  background:var(--jade-l);color:var(--jade-d);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;border:3px solid var(--surface);box-shadow:var(--sh-1);
}
.pod.p1 .ava{width:66px;height:66px;font-size:25px;background:var(--gold);color:#3B2A08}
.pod .nm{font-size:12.5px;font-weight:700;line-height:1.25;margin-bottom:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pod .pt{font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:700}
.pod .stand{
  margin-top:9px;border-radius:12px 12px 0 0;
  background:linear-gradient(180deg,var(--line-2),var(--line));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:19px;color:var(--muted);
}
.pod.p1 .stand{height:72px;background:linear-gradient(180deg,#FBF0DC,#F0DDB5);color:#8A5F14}
.pod.p2 .stand{height:54px}
.pod.p3 .stand{height:42px}

.rank-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.rank-row:last-child{border-bottom:0}
.rank-row.me{background:var(--jade-l);margin:0 -18px;padding:12px 18px;border-radius:12px;border-bottom:0}
.rank-no{width:26px;font-family:var(--mono);font-weight:700;font-size:14px;color:var(--muted);text-align:center}
.rank-ava{
  width:38px;height:38px;flex:none;border-radius:50%;background:var(--line-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:var(--ink-2);
}
.rank-name{flex:1;min-width:0}
.rank-name b{display:block;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-name small{color:var(--muted);font-size:12px}
.rank-pts{font-family:var(--mono);font-weight:700;font-size:15px;color:var(--jade)}

/* =========================================================
   ADMIN
   ========================================================= */
body.admin{background:#F7F9F8}
.admin-bar{background:var(--ink);color:#fff;position:sticky;top:0;z-index:40}
.admin-bar-in{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:6px;padding:10px 14px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.admin-bar-in::-webkit-scrollbar{display:none}
.admin-bar .logo{font-weight:800;font-size:15px;margin-right:10px;white-space:nowrap}
.admin-bar a{
  color:rgba(255,255,255,.72);font-size:13.5px;font-weight:600;
  padding:7px 12px;border-radius:9px;white-space:nowrap;
}
.admin-bar a.on{background:rgba(255,255,255,.14);color:#fff}
.admin-bar .right{margin-left:auto;display:flex;gap:6px}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-m)}
table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface)}
th{
  text-align:left;font-size:11px;font-weight:700;color:var(--muted);
  text-transform:uppercase;letter-spacing:.06em;
  padding:11px 12px;border-bottom:1.5px solid var(--line);white-space:nowrap;
}
td{padding:12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
td.num,th.num{font-family:var(--mono);text-align:right}
td.ko{font-family:var(--ko);font-weight:500;font-size:15px}

.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar .grow{flex:1;min-width:150px}
.toolbar input,.toolbar select{margin:0}

.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:18px}
.kpi .box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:15px}
.kpi .box span{font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.kpi .box b{display:block;font-family:var(--mono);font-size:26px;font-weight:700;margin-top:5px;letter-spacing:-.03em}

/* ---------- Bo'sh holat ---------- */
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty .mark{font-family:var(--ko);font-size:52px;color:var(--line);font-weight:900;margin-bottom:10px}
.empty p{font-size:14.5px;margin-bottom:16px}

/* ---------- Kirish sahifasi ---------- */
body.plain{background:var(--paper)}
.auth-top{text-align:center;padding:34px 0 26px}
.auth-logo{
  width:66px;height:66px;margin:0 auto 14px;border-radius:20px;
  background:var(--jade);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ko);font-weight:900;font-size:31px;box-shadow:var(--sh-2);
}
.auth-top h1{font-size:25px;letter-spacing:-.03em}
.auth-top p{color:var(--muted);font-size:14.5px;margin-top:5px}
.auth-switch{text-align:center;margin-top:18px;font-size:14.5px;color:var(--muted)}
.auth-switch a{font-weight:700}

.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;font-weight:600;margin:18px 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line)}

/* ---------- Yordamchilar ---------- */
.mb0{margin-bottom:0}.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}.mt16{margin-top:16px}
.mt24{margin-top:24px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:13px}
.mono{font-family:var(--mono)}
.ko{font-family:var(--ko)}
.flex{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.hide{display:none !important}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

:focus-visible{outline:3px solid var(--jade);outline-offset:2px;border-radius:6px}

@media (min-width:720px){
  .wrap{padding-top:22px}
  .word-ko{font-size:52px}
}