/* ============================================================
   Zamonaviy Test — "Imtihon varag'i" dizayn tizimi (2026-07)
   Imzo: OMR javob doirachalari, varaq ikki-chizig'i, millimetrovka.
   Palitra: qog'oz #F7F6FD · siyoh #191735 · binafsha #6D5EFC (brend)
   Selektorlar app.js bilan bog'langan — NOMLARNI O'ZGARTIRMANG.
   ============================================================ */
:root{
  color-scheme:light; /* brauzer majburiy tungi rejimi sahifani qoraytirmasin */
  --paper:#f7f6fd; --paper2:#efedfa; --card:#ffffff; --line:#e7e4f6; --line2:#d8d4ef;
  --ink:#191735; --muted:#635f85; --faint:#8b87ab;
  --pri:#6d5efc; --pri-deep:#4f41d8; --pri-soft:#efecff; --pri-line:#d4ccff;
  --ok:#0e9a66; --ok-soft:#e2f6ec; --err:#de2f55; --err-soft:#fdecf0;
  --amber:#b87514; --amber-soft:#fbf0da;
  --graphite:#23213f;
  --radius:14px; --radius-lg:18px;
  --shadow-sm:0 1px 2px #19173508;
  --shadow-md:0 4px 16px #19173512;
  --shadow-lg:0 18px 44px #19173521;
  --ring:0 0 0 3px #6d5efc3d;
  --ease:cubic-bezier(.22,.8,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);min-height:100vh;font-size:16px;line-height:1.55;
  font-family:"Segoe UI Variable Text","Segoe UI",system-ui,Roboto,"Helvetica Neue",Arial,sans-serif;
  /* qog'oz + juda nozik millimetrovka katagi (imtihon varag'i) */
  background:
    radial-gradient(1100px 520px at 82% -12%, #6d5efc14, transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 31px, #6d5efc09 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, #6d5efc09 31px 32px),
    var(--paper);
}
h1,h2,h3{margin:0 0 .4em;font-weight:800;letter-spacing:-.02em;line-height:1.22}
h2{font-size:1.45rem}
h3{font-size:1.05rem}
a{color:var(--pri-deep)}
.muted{color:var(--muted);font-size:.9rem}
.hint{color:var(--muted);font-size:.82rem;margin:.5rem 0 0}

:is(button,input,select,textarea):focus-visible{outline:none;box-shadow:var(--ring);border-color:var(--pri)!important}

/* ---------- Topbar: varaq sarlavhasi (ikki chiziqli qoida) ---------- */
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:13px 24px;position:sticky;top:0;z-index:20;
  background:#ffffffd9;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line2);
  box-shadow:0 1px 0 #fff inset, 0 5px 0 -4px var(--line2); /* ikkinchi nozik chiziq */
}
.brand{font-weight:800;font-size:1.12rem;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.logo{
  width:38px;height:38px;border-radius:50%;object-fit:contain;flex:0 0 auto;
  background:#fff;border:1px solid var(--line);box-shadow:0 2px 8px #19173514;
}
.userbox{display:flex;align-items:center;gap:12px;min-width:0}
#userName{font-weight:700;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}

#app{max-width:1060px;margin:0 auto;padding:30px 20px 70px}

.view{animation:rise .32s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- Kartalar / panellar ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);
}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
@media(max-width:720px){.two-col{grid-template-columns:1fr}}

/* ---------- Kirish ---------- */
.auth-wrap{max-width:470px;margin:6vh auto 0;text-align:center}
/* Institut nomi — varaq tepasidagi muassasa qatori kabi: ikki tomonida qisqa chiziq */
.auth-eyebrow{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin:0 0 10px;color:var(--pri-deep);font-weight:800;font-size:.73rem;
  text-transform:uppercase;letter-spacing:.11em;white-space:nowrap;
}
.auth-eyebrow::before,.auth-eyebrow::after{content:"";width:26px;height:2px;border-radius:2px;background:var(--pri-line);flex:0 0 auto}
@media (max-width:520px){.auth-eyebrow{white-space:normal}.auth-eyebrow::before,.auth-eyebrow::after{display:none}}
.auth-wrap h1{font-size:2rem;margin-bottom:.25em}
.sub{color:var(--muted);margin-top:0}
.role-tabs{
  display:flex;gap:4px;background:var(--paper2);padding:5px;border-radius:14px;margin:22px 0;
  border:1px solid var(--line);
}
.role-tab{
  flex:1;padding:11px 10px;border:0;border-radius:10px;background:transparent;color:var(--muted);
  font-size:.95rem;font-weight:700;cursor:pointer;font-family:inherit;
  transition:color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.role-tab:hover{color:var(--ink)}
.role-tab.active{background:var(--card);color:var(--pri-deep);box-shadow:var(--shadow-md)}
.login-card{text-align:left;margin-top:6px;padding:22px}

.results{border:1px solid var(--line);border-radius:12px;margin:-6px 0 12px;max-height:250px;overflow:auto;background:var(--card);box-shadow:var(--shadow-md)}
.results .r-item{padding:10px 13px;cursor:pointer;border-bottom:1px solid var(--line);transition:background .12s}
.results .r-item:last-child{border-bottom:0}
.results .r-item:hover,.results .r-item.active{background:var(--pri-soft)}
.results .r-name{font-weight:700;font-size:.9rem}
.results .r-meta{color:var(--muted);font-size:.78rem}
.results .r-empty{padding:11px 13px;color:var(--muted);font-size:.85rem}
.lookup{background:var(--pri-soft);border:1px solid var(--pri-line);border-radius:12px;padding:11px 13px;margin-bottom:12px;font-size:.88rem;text-align:left}
.lookup b{display:block;color:var(--pri-deep)}
.lookup .role{color:var(--muted);font-size:.8rem}
.lookup .new{color:var(--amber);font-size:.8rem;margin-top:4px}

/* ---------- Formalar ---------- */
label{display:block;font-size:.85rem;font-weight:600;color:var(--muted);margin-bottom:13px;text-align:left}
input,textarea,select{
  width:100%;margin-top:6px;padding:11px 13px;border-radius:11px;border:1px solid var(--line2);
  background:var(--card);color:var(--ink);font-size:.95rem;font-family:inherit;
  transition:border-color .15s,box-shadow .15s;
}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,textarea:hover,select:hover{border-color:var(--pri-line)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--pri);box-shadow:var(--ring)}
select{cursor:pointer}
textarea{resize:vertical}
label.check{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:600;cursor:pointer}
label.check input{width:auto;margin:0;accent-color:var(--pri)}

/* Parol maydonidagi ko'rsatish/yashirish ko'zchasi */
.pw-wrap{position:relative;display:block}
.pw-wrap input{padding-right:44px}
.pw-eye{
  position:absolute;right:6px;top:50%;transform:translateY(calc(-50% + 3px));
  display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:9px;
  background:transparent;color:var(--faint);cursor:pointer;transition:color .15s,background .15s;
}
.pw-eye:hover{color:var(--pri-deep);background:var(--pri-soft)}

/* ---------- Tugmalar ---------- */
.btn{
  border:1px solid var(--line2);border-radius:11px;padding:10px 17px;font-size:.92rem;font-weight:700;
  cursor:pointer;background:var(--card);color:var(--ink);font-family:inherit;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s,border-color .16s,color .16s;
  box-shadow:var(--shadow-sm);
}
.btn:hover{border-color:var(--pri-line);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.985);box-shadow:var(--shadow-sm)}
.btn.primary{
  background:linear-gradient(135deg,var(--pri) 0%,#8a76ff 100%);
  border:0;color:#fff;box-shadow:0 6px 18px #6d5efc45;
}
.btn.primary:hover{box-shadow:0 10px 26px #6d5efc59;transform:translateY(-1px)}
.btn.ghost{background:transparent;border-color:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--paper2);border-color:var(--line);transform:none}
/* Yumshoq binafsha ikkilamchi tugma (masalan: namuna fayl) */
.btn.soft{background:var(--pri-soft);border-color:var(--pri-line);color:var(--pri-deep)}
.btn.soft:hover{background:#e4dfff;border-color:var(--pri)}
.btn.danger{color:var(--err);border-color:#f3c2ca}
.btn.danger:hover{background:var(--err-soft);border-color:var(--err)}
.btn.sm{padding:6px 13px;font-size:.82rem;border-radius:9px}
.btn.block{width:100%;margin-top:6px}
a.btn{display:inline-block;text-align:center;text-decoration:none;box-sizing:border-box}
.btn:disabled{opacity:.55;cursor:wait;transform:none}

.err{background:var(--err-soft);border:1px solid #f3c2ca;color:#b3243b;padding:10px 13px;border-radius:11px;font-size:.86rem;margin-bottom:10px;text-align:left}

/* ---------- Test kartochkalari ---------- */
.test-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:18px;display:flex;flex-direction:column;gap:10px;position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.test-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--pri-line)}
.test-card h3{font-size:1.06rem;margin-bottom:0}
.test-card .desc{color:var(--muted);font-size:.86rem;min-height:1.2em}
/* Super admin ko'rinishida test muallifi (varaqdagi "topshiruvchi" qatori kabi) */
.test-card .author{
  font-size:.76rem;font-weight:700;color:var(--pri-deep);
  padding-bottom:6px;border-bottom:1px dashed var(--line2);
}
.badges{display:flex;gap:6px;flex-wrap:wrap}
.badge{
  font-size:.73rem;font-weight:700;padding:3px 10px;border-radius:20px;
  background:var(--paper2);color:var(--muted);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.badge.open{background:var(--ok-soft);color:#0c7a52;border-color:#b6e6cd}
.badge.closed{background:var(--amber-soft);color:#96600e;border-color:#f0d9a8}
.badge.group{background:var(--pri-soft);color:var(--pri-deep);border-color:var(--pri-line)}
.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.switch{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.82rem;font-weight:600;color:var(--muted)}
.switch input{width:36px;height:21px;appearance:none;background:var(--line2);border-radius:20px;position:relative;cursor:pointer;transition:background .2s;flex:0 0 auto;margin:0;border:0}
.switch input:checked{background:var(--ok)}
.switch input::after{content:"";position:absolute;width:17px;height:17px;border-radius:50%;background:#fff;top:2px;left:2px;transition:left .2s var(--ease);box-shadow:0 1px 3px #19173533}
.switch input:checked::after{left:17px}

/* ---------- Savollar (o'qituvchi) ---------- */
.qlist{display:flex;flex-direction:column;gap:10px;max-height:60vh;overflow:auto;padding-right:4px}
.q-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:13px 14px;transition:border-color .15s,box-shadow .15s;
}
.q-item:hover{border-color:var(--pri-line);box-shadow:var(--shadow-md)}
.q-item .qtext{font-weight:700;margin-bottom:6px}
.q-item ul{margin:0;padding-left:20px;color:var(--muted);font-size:.86rem}
.q-item li{margin:2px 0}
.q-item li.correct{color:var(--ok);list-style:"✓  ";font-weight:600}
.q-item .rm{background:transparent;border:0;color:var(--faint);cursor:pointer;font-size:1.05rem;border-radius:7px;padding:2px 8px;transition:color .15s,background .15s}
.q-item .rm:hover{color:var(--err);background:var(--err-soft)}
.opt-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.opt-row input[type=text]{margin:0}
.opt-row input[type=checkbox]{width:auto;flex:0 0 auto;accent-color:var(--ok);width:17px;height:17px}
.opt-row .rm{background:transparent;border:0;color:var(--err);cursor:pointer;font-size:1.1rem}

/* ---------- Talaba testi: OMR varag'i ---------- */
.take-q{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 18px 12px;margin-bottom:16px;box-shadow:var(--shadow-sm);
}
.take-q .qn{font-weight:800;margin-bottom:12px;letter-spacing:-.01em;line-height:1.4}
.take-opt{
  display:flex;align-items:center;gap:12px;padding:12px 14px;margin-bottom:9px;cursor:pointer;
  border:1px solid var(--line);border-radius:11px;background:var(--card);
  color:var(--ink);font-size:.98rem;font-weight:600; /* label'ning kulrang merosini bekor qilamiz — javob tiniq o'qilsin */
  transition:border-color .15s,background .15s,transform .15s var(--ease);
}
.take-opt.sel{color:var(--pri-deep)}
.take-opt:hover{border-color:var(--pri-line);background:#fbfaff;transform:translateX(2px)}
.take-opt.sel{border-color:var(--pri);background:var(--pri-soft)}
/* OMR doirachasi: konturli doira -> tanlanganda to'la bo'yaladi */
.take-opt input{
  appearance:none;-webkit-appearance:none;width:21px;height:21px;margin:0;flex:0 0 auto;
  border:2.5px solid var(--graphite);border-radius:50%;background:transparent;cursor:pointer;
  transition:border-color .15s,background .15s,box-shadow .15s;
  box-shadow:inset 0 0 0 3px var(--card);
}
.take-opt:hover input{border-color:var(--pri)}
.take-opt input:checked{background:var(--pri);border-color:var(--pri-deep);box-shadow:inset 0 0 0 3px var(--card)}

/* ---------- Taymer: doim ko'rinadi (imtihon soati) ---------- */
.timer{
  position:fixed;top:74px;right:24px;z-index:30;
  background:var(--graphite);color:#fff;border:1px solid #3a3760;
  padding:9px 16px;border-radius:12px;font-weight:800;font-size:1rem;
  font-variant-numeric:tabular-nums;letter-spacing:.03em;
  box-shadow:var(--shadow-lg);
}
.timer.danger{background:#8f1330;border-color:#c2244d;animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}
@media (max-width:600px){.timer{top:auto;bottom:16px;right:14px}}

/* ---------- Jadval ---------- */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:700;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;background:var(--paper2)}
tbody tr{transition:background .12s}
tbody tr:hover{background:#fbfaff}
td{font-variant-numeric:tabular-nums}
.score-pill{font-weight:800;padding:2px 11px;border-radius:20px;background:var(--paper2);font-variant-numeric:tabular-nums}
.score-pill.good{color:var(--ok);background:var(--ok-soft)}
.score-pill.mid{color:var(--amber);background:var(--amber-soft)}
.score-pill.bad{color:var(--err);background:var(--err-soft)}

/* ---------- Natijalar filtri ---------- */
.res-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.res-filters input,.res-filters select{width:auto;flex:1 1 175px;margin-top:0;padding:9px 12px;font-size:.86rem}

/* ---------- Rasmli savollar ---------- */
.qimg{display:block;max-width:min(420px,100%);max-height:280px;margin:10px 0;
  border:1px solid var(--line);border-radius:12px;background:#fff;object-fit:contain;box-shadow:var(--shadow-sm)}
.qimg-sm{max-width:min(260px,100%);max-height:160px;margin:6px 0 2px}

/* ---------- Talaba natija ekrani ---------- */
.done-card{
  max-width:470px;margin:8vh auto 0;background:var(--card);border:1px solid var(--line);
  border-radius:22px;padding:40px 32px 32px;text-align:center;box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.done-card::before{ /* varaq tepasidagi ikki chiziqli qoida */
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--pri),#8f7bff);
  border-bottom:2px solid var(--card);box-shadow:0 3px 0 var(--line2);
}
.done-emoji{font-size:3rem;margin-bottom:8px}
.done-text{font-size:1.05rem;color:var(--ink);margin:.4em 0 1em;line-height:1.6}
.done-pct{font-size:3.4rem;font-weight:800;letter-spacing:-.03em;margin:0 0 24px;font-variant-numeric:tabular-nums}
.done-pct.good{color:var(--ok)} .done-pct.mid{color:var(--amber)} .done-pct.bad{color:var(--err)}

.empty{
  text-align:center;color:var(--muted);padding:48px 20px;
  border:1.5px dashed var(--line2);border-radius:var(--radius);background:#ffffff80;
}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:#191735a8;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
  display:grid;place-items:center;z-index:50;padding:16px}
.modal[hidden]{display:none!important}
.modal-box{
  background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;
  width:100%;max-width:460px;max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg);
  animation:pop .26s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--graphite);color:#fff;border:1px solid #3a3760;
  padding:12px 22px;border-radius:14px;z-index:60;font-size:.9rem;font-weight:600;
  box-shadow:var(--shadow-lg);animation:rise .28s var(--ease);
}
.toast.err{border-color:var(--err);color:#ffc2cc}
.toast.ok{border-color:var(--ok);color:#9ef0c6}
[hidden]{display:none!important}

/* ---------- HEMIS OAuth ---------- */
.oauth-box{margin-top:18px}
.oauth-sep{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:13px;margin:14px 0}
.oauth-sep::before,.oauth-sep::after{content:"";flex:1;height:1px;background:var(--line2)}
.oauth-btn{margin-top:8px;font-weight:700}

/* ---------- Harakat sezgirligi ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}