/* quiz.css — Test Series / Quiz (v52). Old royal-blue palette: navy #0B2A5B · blue #014BAA/#2F7BE0 · gold #C9A55A · cream #F8F3F0. Fraunces headings + DM Sans body (self-hosted). */
:root{--n:#0B2A5B;--n2:#0F3470;--n3:#144086;--v:#2F7BE0;--p:#C9A55A;--a:#F4C25B;--l:#F8F3F0;--mut:#B8C7E0;--ok:#1FD18B;--bad:#FF5A6E;--line:rgba(248,243,240,.12);--card:rgba(255,255,255,.055);--grad:linear-gradient(135deg,#2F7BE0 0%,#0A57C0 55%,#014BAA 100%);--r:20px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--n);color:var(--l);font:16px/1.55 "DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Devanagari",sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;
 background-image:radial-gradient(1100px 600px at 110% -10%,rgba(47,123,224,.35),transparent 60%),radial-gradient(900px 520px at -20% 20%,rgba(201,165,90,.18),transparent 60%),radial-gradient(800px 600px at 50% 120%,rgba(244,194,91,.08),transparent 60%);background-attachment:fixed}
h1,h2,h3,.qz-num,.qz-big,.qz-brand b{font-family:"Fraunces",Georgia,"DM Sans",system-ui,sans-serif;letter-spacing:-.025em}
[lang=hi],.hi{font-family:"Noto Sans Devanagari","DM Sans",sans-serif;letter-spacing:0}
a{color:#BFD6F6}
button,input,select{font:inherit;color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.qz-top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));background:rgba(11,42,91,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.qz-brand{display:flex;align-items:center;gap:10px;color:var(--l);text-decoration:none;min-width:0}
.qz-brand img{border-radius:50%;box-shadow:0 0 0 2px rgba(244,194,91,.6),0 6px 18px rgba(47,123,224,.45)}
.qz-brand span{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.qz-brand b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qz-brand small{font-size:12px;color:var(--a);font-weight:700}
.qz-tnav{display:flex;gap:6px}
.qz-tnav a{font-size:13px;text-decoration:none;color:var(--l);padding:8px 11px;border-radius:999px;background:var(--card);border:1px solid var(--line);white-space:nowrap}
.qz{max-width:760px;margin:0 auto;padding:18px 16px 40px}
.qz-loading{padding:60px 0;text-align:center;color:var(--mut)}
.qz-spin{display:inline-block;width:18px;height:18px;border:3px solid rgba(255,255,255,.2);border-top-color:var(--p);border-radius:50%;animation:qzspin .8s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes qzspin{to{transform:rotate(360deg)}}
@keyframes qzin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes qzpop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.06)}100%{transform:scale(1);opacity:1}}
.qz-view{animation:qzin .45s cubic-bezier(.2,.8,.2,1) both}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:0 18px 40px rgba(0,0,0,.25);backdrop-filter:blur(8px)}
.qz-hero{position:relative;overflow:hidden;border-radius:26px;padding:26px 20px 22px;background:linear-gradient(160deg,rgba(47,123,224,.55),rgba(201,165,90,.28) 60%,rgba(244,194,91,.18));border:1px solid rgba(255,255,255,.16)}
.qz-hero:after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(244,194,91,.45),transparent 65%)}
.qz-kicker{display:inline-flex;gap:6px;align-items:center;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--n);background:var(--a);padding:5px 10px;border-radius:999px}
.qz-hero h1{font-size:clamp(28px,7.4vw,42px);line-height:1.08;margin:14px 0 8px}
.qz-hero h1 em{font-style:normal;background:linear-gradient(90deg,#F4D58D,#E2C07A);-webkit-background-clip:text;background-clip:text;color:transparent}
.qz-hero p{margin:0 0 16px;color:#E8EFF9;max-width:520px}
.qz-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 4px}
.qz-stats div{background:rgba(11,42,91,.45);border:1px solid var(--line);border-radius:14px;padding:10px 8px;text-align:center}
.qz-stats b{display:block;font-family:"Fraunces",Georgia,sans-serif;font-size:20px}
.qz-stats span{font-size:11.5px;color:var(--mut)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 22px;border-radius:16px;border:0;font-weight:700;font-size:16px;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .2s,opacity .2s;-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.97)}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(47,123,224,.45)}
.btn-amber{background:var(--a);color:var(--n)}
.btn-ghost{background:var(--card);color:var(--l);border:1px solid var(--line)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.qz-sec{margin-top:26px}
.qz-sec>h2{font-size:21px;margin:0 0 4px}
.qz-sec>p.sub{margin:0 0 14px;color:var(--mut);font-size:14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;min-height:42px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:14px;cursor:pointer}
.chip[aria-pressed=true]{background:var(--l);color:var(--n);border-color:var(--l)}
.subj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:620px){.subj-grid{grid-template-columns:repeat(3,1fr)}}
.subj{position:relative;text-align:left;padding:16px 14px 14px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));cursor:pointer;min-height:118px;display:flex;flex-direction:column;gap:4px;transition:transform .15s,border-color .2s}
.subj:active{transform:scale(.97)}
.subj:hover{border-color:rgba(244,194,91,.6)}
.subj .ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--grad);margin-bottom:6px;box-shadow:0 8px 18px rgba(47,123,224,.4)}
.subj b{font-family:"Fraunces",Georgia,sans-serif;font-size:15.5px;line-height:1.2}
.subj small{color:var(--mut);font-size:12.5px}
.subj .tag{position:absolute;top:12px;right:12px;font-size:10.5px;font-weight:800;padding:3px 7px;border-radius:999px;background:rgba(244,194,91,.16);color:var(--a);border:1px solid rgba(244,194,91,.35)}
.field{display:block;margin:0 0 14px}
.field>span{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.field>span i{font-style:normal;color:var(--p)}
.field>span small{font-weight:500;color:var(--mut)}
.inp{width:100%;min-height:52px;padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:rgba(11,42,91,.55);font-size:16px;outline:none;transition:border-color .2s}
.inp:focus{border-color:var(--v);box-shadow:0 0 0 4px rgba(47,123,224,.25)}
select.inp{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#B8C7E0 50%),linear-gradient(135deg,#B8C7E0 50%,transparent 50%);background-position:calc(100% - 20px) 23px,calc(100% - 14px) 23px;background-size:6px 6px;background-repeat:no-repeat}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.seg button{min-height:50px;border-radius:14px;border:1.5px solid var(--line);background:rgba(11,42,91,.55);font-weight:700;cursor:pointer}
.seg button[aria-pressed=true]{border-color:transparent;background:var(--grad);color:#fff}
.note{font-size:13.5px;color:#DCE6F5;background:rgba(47,123,224,.16);border:1px solid rgba(47,123,224,.4);border-radius:14px;padding:12px 14px;margin:0 0 16px}
.note b{color:#fff}
.err{color:#FFB3BE;font-weight:700;font-size:14px;min-height:20px;margin:4px 0 10px}
.selfie{display:flex;gap:14px;align-items:center}
.selfie-box{flex:0 0 96px;height:96px;border-radius:50%;border:2px dashed rgba(244,194,91,.6);display:grid;place-items:center;overflow:hidden;background:rgba(11,42,91,.55);font-size:30px}
.selfie-box img,.selfie-box video{width:100%;height:100%;object-fit:cover}
.selfie-btns{display:flex;flex-direction:column;gap:8px;flex:1}
.selfie-btns .btn{min-height:46px;font-size:15px;padding:10px 14px}
.chk{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);margin:0 0 10px;cursor:pointer;font-size:14px}
.chk input{flex:0 0 22px;width:22px;height:22px;margin:1px 0 0;accent-color:var(--v)}
.prof{display:flex;align-items:center;gap:12px}
.prof .av{width:46px;height:46px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-family:"Fraunces",Georgia,sans-serif}
.prof b{display:block}
.prof small{color:var(--mut)}
.prof .btn{margin-left:auto;min-height:40px;padding:8px 12px;font-size:13px}
.mode-list{display:grid;gap:10px}
.mode{display:flex;gap:14px;align-items:center;text-align:left;padding:16px;border-radius:18px;border:1px solid var(--line);background:var(--card);cursor:pointer;width:100%}
.mode .ic{flex:0 0 44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:22px;background:rgba(244,194,91,.16)}
.mode b{display:block;font-family:"Fraunces",Georgia,sans-serif}
.mode small{color:var(--mut)}
.mode .go{margin-left:auto;font-size:22px;color:var(--a)}
.chlist{display:grid;gap:8px;margin-top:10px}
.chrow{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.035);text-align:left;cursor:pointer;width:100%;font-size:14.5px}
.chrow small{color:var(--mut);flex:0 0 auto}
.chrow[disabled]{opacity:.45}
.back{background:none;border:0;color:var(--mut);font-weight:700;padding:6px 0;margin:0 0 8px;cursor:pointer;font-size:14px}
/* quiz runner */
.run-head{position:sticky;top:57px;z-index:10;margin:-18px -16px 14px;padding:12px 16px 10px;background:rgba(11,42,91,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.run-row{display:flex;align-items:center;gap:10px}
.run-row .t{flex:1;min-width:0}
.run-row .t b{display:block;font-family:"Fraunces",Georgia,sans-serif;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.run-row .t small{color:var(--mut);font-size:12.5px}
.timer{display:flex;align-items:center;gap:6px;font-family:"Fraunces",Georgia,sans-serif;font-weight:800;font-variant-numeric:tabular-nums;padding:8px 12px;border-radius:12px;background:rgba(244,194,91,.14);color:var(--a);border:1px solid rgba(244,194,91,.35)}
.timer.low{background:rgba(255,90,110,.16);color:#FF8D9B;border-color:rgba(255,90,110,.5);animation:qzpulse 1s infinite}
@keyframes qzpulse{50%{opacity:.6}}
.lang{min-height:38px;padding:6px 10px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:13px;cursor:pointer}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:999px;transition:width .35s cubic-bezier(.2,.8,.2,1)}
.qcard{padding:20px 18px}
.qmeta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.pill{font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.08);color:#D5E1F3}
.pill.yr{background:rgba(47,123,224,.25);color:#CFE0F7}
.pill.rep{background:rgba(244,194,91,.18);color:var(--a)}
.qtext{font-size:19px;line-height:1.45;font-weight:600;margin:0 0 16px}
.qno{font-family:"Fraunces",Georgia,sans-serif;color:var(--a);margin-right:6px}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;text-align:left;padding:12px 14px;border-radius:16px;border:1.5px solid var(--line);background:rgba(11,42,91,.45);cursor:pointer;font-size:16.5px;line-height:1.35;transition:border-color .15s,background .15s,transform .1s;-webkit-tap-highlight-color:transparent}
.opt:active{transform:scale(.985)}
.opt .k{flex:0 0 34px;height:34px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-family:"Fraunces",Georgia,sans-serif;background:rgba(255,255,255,.08);font-size:15px}
.opt[aria-pressed=true]{border-color:transparent;background:linear-gradient(135deg,rgba(47,123,224,.55),rgba(201,165,90,.35));box-shadow:0 10px 24px rgba(47,123,224,.35)}
.opt[aria-pressed=true] .k{background:#fff;color:var(--v)}
.opt.right{border-color:var(--ok);background:rgba(31,209,139,.14)}
.opt.right .k{background:var(--ok);color:#06281A}
.opt.wrong{border-color:var(--bad);background:rgba(255,90,110,.13)}
.opt.wrong .k{background:var(--bad);color:#fff}
.run-nav{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;margin-top:16px}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:7px;margin-top:16px}
.palette button{height:40px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-weight:700;font-size:13.5px;cursor:pointer}
.palette button.done{background:rgba(47,123,224,.4);border-color:transparent}
.palette button.cur{outline:2px solid var(--a);outline-offset:1px}
.submit-row{margin-top:16px}
/* result */
.res{text-align:center;padding:26px 18px;position:relative;overflow:hidden}
.res.perfect{background:linear-gradient(160deg,rgba(244,194,91,.32),rgba(201,165,90,.22) 55%,rgba(47,123,224,.3));border-color:rgba(244,194,91,.6)}
.ring{width:150px;height:150px;margin:6px auto 10px;position:relative;animation:qzpop .7s cubic-bezier(.2,.8,.2,1) both}
.ring svg{transform:rotate(-90deg)}
.ring .v{position:absolute;inset:0;display:grid;place-items:center;font-family:"Fraunces",Georgia,sans-serif}
.ring .v b{font-size:34px;line-height:1}
.ring .v small{display:block;color:var(--mut);font-size:12px;margin-top:2px}
.res h2{margin:6px 0 4px;font-size:24px}
.res p{margin:0 0 6px;color:#DCE6F5}
.rstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}
.rstats div{border-radius:14px;padding:10px 6px;background:rgba(11,42,91,.45);border:1px solid var(--line)}
.rstats b{display:block;font-family:"Fraunces",Georgia,sans-serif;font-size:22px}
.rstats .g b{color:var(--ok)} .rstats .r b{color:var(--bad)}
.rstats span{font-size:12px;color:var(--mut)}
.res-act{display:grid;gap:10px;margin-top:6px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--a);color:var(--n);font-weight:800;font-size:13px;margin-bottom:6px}
.rv{margin-top:12px}
.rv .qcard{margin-bottom:10px}
.rv .qtext{font-size:16.5px}
.rv .opt{min-height:48px;font-size:15px;cursor:default}
.rv .nt{font-size:13px;color:var(--mut);margin-top:8px}
.rv-filter{display:flex;gap:8px;margin:14px 0 6px}
.conf{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden}
.conf i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:qzfall linear forwards}
@keyframes qzfall{to{transform:translate3d(var(--x),110vh,0) rotate(720deg)}}
/* hall of fame */
.hof{display:grid;gap:8px}
.hrow{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:linear-gradient(90deg,rgba(244,194,91,.13),rgba(255,255,255,.03));border:1px solid rgba(244,194,91,.25)}
.hrow .md{flex:0 0 38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--a);color:var(--n);font-weight:800;font-family:"Fraunces",Georgia,sans-serif;font-size:15px}
.hrow b{display:block;font-size:15.5px}
.hrow small{color:var(--mut);font-size:12.5px}
.hrow .sc{margin-left:auto;text-align:right;font-family:"Fraunces",Georgia,sans-serif;font-weight:800;color:var(--a)}
.hrow .sc small{display:block;font-family:"DM Sans",sans-serif;font-weight:500}
.empty{color:var(--mut);text-align:center;padding:22px 10px;border:1px dashed var(--line);border-radius:16px;font-size:14px}
.notes-item{padding:14px 16px;margin-bottom:10px}
.notes-item .qtext{font-size:16px;margin-bottom:10px}
.notes-item ol{margin:0;padding-left:22px;font-size:15px}
.notes-item li{margin:3px 0}
.notes-item li.ans{color:var(--ok);font-weight:800}
.qz-foot{max-width:760px;margin:0 auto;padding:10px 16px 40px;color:var(--mut);font-size:12.5px;border-top:1px solid var(--line)}
.qz-foot b{color:#DCE6F5}
.modal{position:fixed;inset:0;z-index:60;background:rgba(4,18,42,.7);display:grid;place-items:end center;padding:16px;animation:qzin .25s both}
.modal .card{width:100%;max-width:460px;background:#0F3470;margin-bottom:max(10px,env(safe-area-inset-bottom))}
.modal h3{margin:0 0 6px}
.modal p{color:#DCE6F5;margin:0 0 14px}
.modal .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
[dir=rtl] .opt,.ur .opt{text-align:right}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}