@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{
  --bg:#17181c;--bar:#1f2126;--box:#3a3e45;--box2:#2b2e35;--opt:#2f3d34;--optline:#3d5144;
  --key:#1d5c8c;--key2:#2a7bb8;--txt:#f3f5f8;--mut:#a4abb8;--line:#343842;
  --ok:#2f9e5e;--bad:#c63c3c;--accent:#3b82f6;--white:#ffffff;
  --r:14px;color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--txt);min-height:100dvh;line-height:1.5;font-size:16px;-webkit-font-smoothing:antialiased}
body.center{display:grid;place-items:center;padding:20px}
h1{font-size:clamp(24px,4vw,34px);letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(18px,2.4vw,22px);font-weight:700}
a{color:var(--accent);text-decoration:none}
.mut{color:var(--mut)}.small{font-size:13px;margin-top:12px;text-align:center}
svg{display:block}
[data-icon] svg{width:18px;height:18px}
.card,.panel{background:var(--box2);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.panel{margin-bottom:16px}

/* Tugmalar va maydonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;border-radius:12px;padding:11px 18px;cursor:pointer;border:1px solid var(--line);background:var(--box);color:var(--txt);min-height:42px;transition:background .15s,border-color .15s,transform .1s;user-select:none}
.btn:hover{border-color:var(--accent)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:var(--accent);border-color:transparent;color:#fff}
.btn-danger{background:#b83a3a;border-color:transparent;color:#fff}
.btn-ghost{background:transparent}
.btn-block{width:100%;margin-top:12px}
.btn-sm{padding:7px 12px;font-size:13px;min-height:34px;border-radius:9px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn-row.center{justify-content:center;margin-top:18px}
.bar-btn{display:inline-flex;align-items:center;gap:6px;background:transparent;border:0;color:var(--txt);font:inherit;font-weight:600;font-size:15px;cursor:pointer;padding:8px 10px;border-radius:10px}
.bar-btn:hover{background:var(--box2)}
input,textarea,select{font:inherit;width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:var(--box2);color:var(--txt);outline:none;margin-top:6px;margin-bottom:12px}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
textarea{min-height:110px;resize:vertical}
label{font-size:14px;font-weight:600;color:var(--mut)}
input[type=checkbox]{width:auto;margin:0 8px 0 0}
.msg{padding:11px 14px;border-radius:12px;margin-bottom:14px;font-size:14px}
.msg.err{background:#4a1d1d;color:#fecaca;border:1px solid #7f2a2a}
.msg.warn{background:#4a3a14;color:#fde68a;border:1px solid #7a5d1d}
.msg.ok{background:#153a25;color:#a7f3d0;border:1px solid #23663f}
.auth{width:100%;max-width:400px;text-align:center}
.auth .logo{width:70px;height:70px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;color:#fff;background:var(--accent)}
.auth .logo svg{width:36px;height:36px}
.keyinput{text-align:center;font:800 24px ui-monospace,Menlo,monospace;letter-spacing:.3em;text-transform:uppercase}
.wide{max-width:640px;margin:0 auto}

/* Test sahifasi: yuqori panel */
.app{max-width:1280px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}
.bar{display:flex;align-items:center;gap:14px;background:var(--bar);padding:10px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.bar-title{display:flex;flex-direction:column;line-height:1.15;margin-right:auto}
.bar-title small{color:var(--mut);font-size:12px}
.bar-title b{font-size:17px;font-weight:700}
.bar-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--box2);border:1px solid var(--line);padding:7px 12px;border-radius:99px;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.pill svg{width:16px;height:16px}
#timer.warn{color:#fca5a5;border-color:#b83a3a;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
.main{padding:18px 16px 28px;flex:1}

/* Boshlash menyusi */
.resume{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:0 auto 16px;max-width:960px}
.resume small{display:block;color:var(--mut);margin-top:2px}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;max-width:960px;margin:0 auto}
.mode-card{all:unset;box-sizing:border-box;cursor:pointer;background:var(--box2);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s,transform .15s}
.mode-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.mode-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mode-card b{font-size:17px;font-weight:700}
.mode-card span:not(.mi){color:var(--mut);font-size:14px}
.mi{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--box);color:var(--accent);margin-bottom:4px}
.mi svg{width:22px;height:22px}
.picker{margin:16px auto 0;max-width:960px}
.picker-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;max-height:60vh;overflow:auto;padding:4px}
.pick{all:unset;box-sizing:border-box;cursor:pointer;background:var(--box);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:2px;transition:.15s}
.pick:hover:not(:disabled){border-color:var(--accent)}
.pick:disabled{opacity:.4;cursor:not-allowed}
.pick b{font-size:15px}.pick small{color:var(--mut);font-size:12px}

/* Test: skrinshotdagi tuzilma */
.progress{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:16px}
.progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .3s}
.qbox{background:var(--box);border-radius:6px;padding:18px 22px;text-align:center;font-size:clamp(18px,2.2vw,24px);font-weight:700;line-height:1.45;white-space:pre-line;word-break:break-word;margin-bottom:18px}
.qbody{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
@media (min-width:900px){.qbody{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:stretch;border-radius:4px;overflow:hidden;border:1px solid var(--optline);background:var(--opt);min-height:50px;font-size:17px;transition:filter .15s,transform .1s}
.opt:not(:disabled):hover{filter:brightness(1.12)}
.opt:not(:disabled):active{transform:scale(.995)}
.opt:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.opt:disabled{cursor:default}
.fkey{flex:none;width:58px;display:grid;place-items:center;background:var(--key);color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em}
.otext{flex:1;padding:12px 16px;display:flex;align-items:center;color:var(--txt)}
.opt.ok{background:#1f5c3c;border-color:var(--ok)}
.opt.ok .fkey{background:var(--ok)}
.opt.bad{background:#5a2424;border-color:var(--bad)}
.opt.bad .fkey{background:var(--bad)}
.qpic{background:var(--white);border-radius:6px;padding:14px;display:flex;align-items:center;justify-content:center;min-height:240px;border:1px solid #d6d9de}
.qpic img{max-width:100%;max-height:420px;object-fit:contain}
.after{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.desc{font-size:15px;line-height:1.6;color:var(--mut);background:var(--box2);border:1px solid var(--line);border-radius:12px;padding:14px;white-space:pre-line}
.qmeta{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 10px;font-weight:700;color:var(--txt);font-size:14px}
.hint{color:var(--mut);font-size:13px;font-weight:500}
/* Raqamli kataklar: kompyuterda 20 tadan, telefonda 10 tadan qatorda */
.numbers{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;max-height:240px;overflow:auto;padding:10px;background:var(--box2);border:1px solid var(--line);border-radius:12px}
@media (min-width:900px){.numbers{grid-template-columns:repeat(20,minmax(0,1fr))}}
.numbers button{aspect-ratio:1/1;min-width:0;border-radius:6px;border:1px solid var(--line);background:var(--box);color:var(--txt);font:inherit;font-weight:700;font-size:13px;cursor:pointer;padding:0}
.numbers button:hover{border-color:var(--accent)}
.numbers button.cur{border-color:var(--accent);box-shadow:0 0 0 2px rgba(59,130,246,.5)}
.numbers button.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.numbers button.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.ctrl{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:16px;flex-wrap:wrap}
.ctrl .btn svg{width:16px;height:16px}

/* Modal oynalar */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;padding:16px;z-index:30}
.sheet{background:var(--box2);border:1px solid var(--line);border-radius:18px;padding:26px;max-width:420px;width:100%;text-align:center}
.sheet.wide{max-width:760px;text-align:left;max-height:90vh;overflow:auto}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.res-ico{width:64px;height:64px;border-radius:18px;margin:0 auto 10px;display:grid;place-items:center}
.res-ico svg{width:32px;height:32px}
.res-ico.ok{background:rgba(47,158,94,.18);color:#6ee7a3}
.res-ico.bad{background:rgba(198,60,60,.2);color:#fca5a5}
.sheet .big{font-size:40px;font-weight:800;margin:6px 0 4px}
.prof{display:flex;flex-direction:column}
.pname{font-size:20px;font-weight:800;margin-bottom:10px}
.prow{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.prow span{color:var(--mut)}
.ok{color:#6ee7a3}.bad{color:#fca5a5}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chip{background:var(--box);border:1px solid var(--line);border-radius:99px;padding:6px 12px;font-weight:700;font-size:14px}
.chip.ok{color:#6ee7a3}
.advice{background:var(--box);border:1px solid var(--line);border-radius:14px;padding:14px;line-height:1.7;margin-bottom:14px;white-space:pre-line}
.advice.ok{border-color:var(--ok)}.advice.bad{border-color:var(--bad)}
.tablewrap{overflow:auto}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tbl th{color:var(--mut);font-weight:600}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--box2);border:1px solid var(--line);padding:11px 16px;border-radius:12px;z-index:40;max-width:92vw;font-size:14px}

/* Admin */
body.admin{background:var(--bg)}
.ahead{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;background:var(--bar);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin:0 auto 16px;max-width:1240px}
.ahead nav{display:flex;gap:6px;flex-wrap:wrap}
.ahead nav a{padding:8px 12px;border-radius:9px;font-size:14px;font-weight:600;color:var(--txt)}
.ahead nav a.on,.ahead nav a:hover{background:var(--accent);color:#fff}
.wrapa{max-width:1240px;margin:0 auto}
.flash{background:#153a25;color:#a7f3d0;border:1px solid #23663f;padding:11px 14px;border-radius:12px;margin-bottom:14px;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--box2);border:1px solid var(--line);border-radius:14px;padding:16px}
.stat b{font-size:26px;display:block;font-weight:800}.stat span{color:var(--mut);font-size:14px}
.tbl2{width:100%;border-collapse:collapse;font-size:14px}
.tbl2 th,.tbl2 td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.tbl2 th{color:var(--mut);font-weight:600;font-size:13px}
.tbl2 td.act{white-space:nowrap}
.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:12px;font-weight:700}
.b-ok{background:#153a25;color:#6ee7a3}.b-warn{background:#4a3a14;color:#fde68a}.b-err{background:#4a1d1d;color:#fca5a5}
.key{font:800 20px ui-monospace,Menlo,monospace;letter-spacing:.18em;background:#153a25;color:#a7f3d0;padding:9px 13px;border-radius:12px;display:inline-block}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:760px){.row2,.row3{grid-template-columns:1fr}.tbl2{font-size:13px}}
.q-item{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:var(--box)}
.q-item ol{margin:8px 0 0 20px}
.q-item li.ok{color:#6ee7a3;font-weight:700}
.pager{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:12px}
.rest-pos{color:#6ee7a3;font-weight:800}.rest-neg{color:#fca5a5;font-weight:800}
.msg.ok,.flash{}