/* PRISM UPSC · hub pages (practice, mock, dashboard, login, signup). v32 azure redesign.
   Loaded before shell.css; uses the shared tokens only. */
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;font-family:var(--p-body);color:var(--ink);background:var(--bgc);line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
main.main{flex:1;min-width:0}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin:0}
img{max-width:100%}

/* ── top bar + footer ─────────────────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:30}
.site-header-in{max-width:1180px;margin:0 auto;padding:0 24px;min-height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:36px;height:36px;border-radius:9px;display:block}
.brand-name{font-size:21px}
.brand-sub{font-size:13px;font-weight:600;padding-top:3px}
.site-nav{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{padding:9px 14px;font-size:15px;white-space:nowrap}
.nav-auth{display:flex;align-items:center;gap:8px;flex:none}
.nav-in,.nav-out{border:0;font-weight:600;font-size:15px;padding:9px 12px;border-radius:999px;cursor:pointer;font-family:inherit}
.nav-in:hover,.nav-out:hover{color:var(--ink) !important;background:var(--soft)}
.nav-user{padding:8px 14px;border-radius:999px;font-weight:600;font-size:15px}
.site-footer{max-width:1180px;width:100%;margin:0 auto;padding:36px 24px 48px;color:var(--mute);font-size:14px}
.site-footer a{text-decoration:underline;text-underline-offset:3px}
.hub-loading{padding:80px 16px;text-align:center;color:var(--mute)}
@media(max-width:1180px){.brand-sub{display:none}}

/* ── page frame ───────────────────────────────────────────────────────── */
.page{max-width:1180px;margin:0 auto;padding:clamp(28px,4.5vw,64px) 24px 24px}
.page.narrow{max-width:780px}
.page.auth-page{max-width:520px;padding-top:clamp(28px,6vw,80px)}
.ph{margin:0 0 clamp(24px,3.5vw,40px)}
.ph h1{font-size:clamp(36px,5vw,64px);line-height:1.02;letter-spacing:-.035em;max-width:16ch}
.ph h1 mark,.score-big mark,.auth-card h1 mark,.empty-hero h2 mark{background:linear-gradient(transparent 56%,var(--hl) 56%);color:inherit;padding:0 .05em}
.ph .lead{margin-top:16px;font-size:clamp(17px,1.4vw,19px);color:var(--mute);max-width:36em}
.ph-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.acts{display:flex;gap:10px;flex-wrap:wrap}
.hub-note{color:var(--mute);font-size:14px;margin-top:22px;max-width:46em}

/* buttons (colour comes from shell.css; sizing here) */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;font-size:15.5px;min-height:48px;line-height:1.2;text-align:center;cursor:pointer;border:0}
.button.tiny{padding:9px 16px;font-size:14px;min-height:40px}
.button:disabled{opacity:.4;cursor:not-allowed;transform:none !important;box-shadow:none !important}
.button.block{width:100%}
.lnk{color:var(--az-d);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* ── cards ────────────────────────────────────────────────────────────── */
.hcard{background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:clamp(20px,2.4vw,30px)}
.paper{background:var(--card);border:1.5px solid var(--ink);border-radius:22px;box-shadow:8px 8px 0 var(--az);overflow:hidden}
.paper-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;padding:20px clamp(20px,3vw,34px);border-bottom:1.5px dashed var(--line);color:var(--mute);font-size:14px}
.paper-h b{font:700 20px var(--p-display);letter-spacing:-.02em;color:var(--ink)}
.paper-sec{padding:clamp(18px,2.4vw,28px) clamp(20px,3vw,34px);border-bottom:1.5px dashed var(--line)}
.paper-f{display:flex;justify-content:space-between;align-items:center;gap:18px 28px;flex-wrap:wrap;padding:clamp(18px,2.4vw,26px) clamp(20px,3vw,34px);background:var(--bgc)}
.lab{font:700 17px var(--p-display);letter-spacing:-.02em;margin:0 0 14px}
.lab small{font:500 14px var(--p-body);color:var(--mute);letter-spacing:0;margin-left:8px}

/* chips */
.hub-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:9px 16px;font-weight:600;font-size:15px;cursor:pointer;transition:border-color .2s,background .2s,color .2s}
.chip-btn:hover{border-color:var(--ink)}
.chip-btn.on{background:var(--az);border-color:var(--ink);color:#fff}

/* form controls */
.x-setup-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 18px}
.x-setup-grid label,.auth-form label{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:14px;color:var(--ink)}
select,input[type=text],input[type=email],input[type=password],input:not([type]){width:100%;border:1.5px solid var(--line);border-radius:14px;background:var(--card);padding:12px 14px;font-size:16px;font-weight:500;min-height:48px;transition:border-color .2s}
select{appearance:none;-webkit-appearance:none;padding-right:40px;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%230F1A2E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 16px center}
select:hover,input:hover{border-color:var(--ink)}
select:focus,input:focus{border-color:var(--ink);outline:0}
select:focus-visible,input:focus-visible{outline:3px solid var(--az) !important;outline-offset:2px}
.check-line{display:flex;gap:10px;align-items:center;font-size:15px;color:var(--ink);font-weight:500;margin-top:18px;cursor:pointer}
.auth-form .check-line{flex-direction:row;align-items:flex-start;margin-top:4px;color:var(--mute);font-size:14.5px;font-weight:500}
input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--ink);flex:none;margin:2px 0 0;padding:0}
.x-note{color:var(--mute);font-size:15px}
.x-note b{color:var(--ink);font-family:var(--p-display);font-size:26px;letter-spacing:-.03em;margin-right:4px;font-variant-numeric:tabular-nums}
.x-error{color:var(--no);background:var(--nobg);border-radius:12px;padding:10px 14px;font-weight:600;font-size:15px}
.auth-notice{background:var(--okbg);color:#0A6B42;border-radius:12px;padding:10px 14px;font-weight:600;font-size:15px}
.empty-state{background:var(--card);border:1.5px dashed var(--line);border-radius:22px;padding:48px 24px;text-align:center;color:var(--mute)}

/* ── question runner ──────────────────────────────────────────────────── */
.run-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px;font-size:14.5px;color:var(--mute)}
.run-top b{font:700 18px var(--p-display);color:var(--ink);letter-spacing:-.02em}
.progress{height:8px;border-radius:999px;background:var(--soft);overflow:hidden;margin-bottom:24px}
.progress i{display:block;height:100%;border-radius:999px;background:var(--az);transition:width .5s cubic-bezier(.2,.8,.2,1)}
.qcard{background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:clamp(20px,3vw,36px)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;font-size:13.5px}
.tags b,.tags i{font-style:normal;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--az-tint);color:var(--primary-ink)}
.tags i{background:var(--soft);color:var(--ink)}
.q-text{font-family:var(--p-body);font-weight:500;font-size:clamp(18px,1.8vw,21px);line-height:1.55;letter-spacing:-.005em;white-space:pre-line;text-wrap:pretty}
.quiz-options{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.quiz-options button{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:center;text-align:left;width:100%;background:var(--card);border:1.5px solid var(--line);border-radius:16px;padding:14px 16px;font-size:16.5px;line-height:1.45;transition:border-color .2s,background .2s,transform .2s}
.quiz-options button>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--ink);font:600 14px var(--p-display);transition:background .25s,color .25s,transform .25s}
.quiz-options button:not(:disabled):hover{border-color:var(--ink);transform:translateX(3px)}
.quiz-options button.selected{border-color:var(--ink);background:var(--az-tint)}
.quiz-options button.selected>span{background:var(--az);color:#fff}
.quiz-options button.x-right{border-color:var(--ok);background:var(--okbg)}
.quiz-options button.x-right>span{background:var(--ok);border-color:var(--ok);color:#fff}
.quiz-options button.x-wrong{border-color:var(--no);background:var(--nobg)}
.quiz-options button.x-wrong>span{background:var(--no);border-color:var(--no);color:#fff}
.quiz-options button:disabled{cursor:default}
.quiz-options button:disabled:not(.x-right):not(.x-wrong){opacity:.6}
.x-feedback,.explain{margin-top:22px;padding:18px 22px;border-radius:0 16px 16px 0;background:var(--bgc);border-left:5px solid var(--az)}
.x-feedback strong{font:700 19px var(--p-display);letter-spacing:-.02em;display:block}
.x-feedback.ok strong{color:var(--ok)}.x-feedback.bad strong{color:var(--no)}
.x-feedback p,.explain p{margin-top:8px;color:var(--ink);font-size:16px;line-height:1.65;white-space:pre-line;font-family:var(--p-body);font-weight:400;letter-spacing:0}
.grade-line{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px;font-size:15px;color:var(--mute);font-weight:600}
.quiz-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px;padding-top:20px;border-top:1.5px dashed var(--line)}
.quiz-actions>span{color:var(--mute);font-size:14.5px}
.mock-btns{display:flex;gap:8px;flex-wrap:wrap}

/* ── result ───────────────────────────────────────────────────────────── */
.result{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center;background:var(--card);border:1.5px solid var(--ink);border-radius:22px;box-shadow:8px 8px 0 var(--az);padding:clamp(22px,3.5vw,44px)}
.score-big{font:700 clamp(64px,9vw,112px)/.95 var(--p-display);letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.score-big small{display:block;font:500 15px var(--p-body);letter-spacing:0;color:var(--mute);margin-top:10px}
.result h2{font-size:clamp(26px,3.2vw,38px);line-height:1.1;letter-spacing:-.03em}
.result p{color:var(--mute);margin-top:10px;font-size:16.5px}
.result p a{color:var(--az-d);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.result .auth-notice,.result .x-error{margin-top:14px;display:inline-block}
.result .acts{margin-top:22px}
.res-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.res-stats span{font:600 14.5px var(--p-display);padding:5px 14px;border-radius:999px;background:var(--soft)}
.res-stats .p{background:var(--okbg);color:var(--ok)}.res-stats .m{background:var(--nobg);color:var(--no)}
.sec-title{font-size:clamp(24px,3vw,34px);letter-spacing:-.03em;margin:clamp(34px,5vw,56px) 0 18px}
.sec-title small{font:500 15px var(--p-body);color:var(--mute);letter-spacing:0;margin-left:10px}

/* review list */
.rv-list{display:flex;flex-direction:column;gap:10px}
.rv-item{background:var(--card);border:1.5px solid var(--line);border-radius:18px;transition:border-color .2s}
.rv-item:hover,.rv-item[open]{border-color:var(--ink)}
.rv-item summary{list-style:none;display:grid;grid-template-columns:38px minmax(0,1fr) auto 18px;gap:14px;align-items:center;padding:14px 18px;cursor:pointer}
.rv-item summary::-webkit-details-marker{display:none}
.rv-n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;font:600 14px var(--p-display);background:var(--soft)}
.rv-correct .rv-n,.rv-n.s-correct{background:var(--ok);color:#fff}
.rv-wrong .rv-n,.rv-n.s-wrong{background:var(--no);color:#fff}
.rv-q{min-width:0}
.rv-q small{display:block;color:var(--mute);font-size:13px;margin-bottom:2px}
.rv-q span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:500;line-height:1.4}
.rv-st{font-size:13.5px;font-weight:700;padding:3px 12px;border-radius:999px;background:var(--soft)}
.rv-st.s-correct{background:var(--okbg);color:var(--ok)}.rv-st.s-wrong{background:var(--nobg);color:var(--no)}
.rv-chev{width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);margin-top:-4px;transition:transform .25s}
.rv-item[open] .rv-chev{transform:rotate(-135deg);margin-top:4px}
.rv-body{padding:2px 18px 20px 70px}
.rv-body .rv-full{font-weight:600;line-height:1.5;white-space:pre-line;margin-bottom:12px}
.rv-opts{display:flex;flex-direction:column;gap:6px}
.rv-opt{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;align-items:start;font-size:15.5px;padding:8px 12px;border-radius:12px;border:1.5px solid transparent}
.rv-opt span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--ink);font:600 12.5px var(--p-display)}
.rv-opt.is-right{background:var(--okbg);border-color:var(--ok)}.rv-opt.is-right span{background:var(--ok);border-color:var(--ok);color:#fff}
.rv-opt.is-yours{background:var(--nobg);border-color:var(--no)}.rv-opt.is-yours span{background:var(--no);border-color:var(--no);color:#fff}
.rv-opt em{font-style:normal;font-size:13px;font-weight:700;margin-left:6px;color:var(--mute)}

/* ── mock setup ───────────────────────────────────────────────────────── */
.mock-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.mock-card{display:flex;flex-direction:column;gap:14px;padding:clamp(22px,2.6vw,32px);min-height:340px;background:var(--card)}
.mock-card.feat{border-color:var(--ink) !important;box-shadow:8px 8px 0 var(--az) !important}
.mock-card.feat:hover{transform:translateY(-3px)}
.mock-card h2{font-size:clamp(26px,2.4vw,32px);line-height:1.08;letter-spacing:-.03em}
.mock-card p{color:var(--mute);font-size:16px;flex:1}
.mock-tag{align-self:flex-start;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px;background:var(--az-tint);color:var(--primary-ink)}
.mock-facts{display:flex;gap:8px;flex-wrap:wrap}
.mock-facts b{font:600 14.5px var(--p-display);padding:5px 12px;border-radius:999px;background:var(--soft)}
.mock-card .button{margin-top:4px;width:100%}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:clamp(28px,4vw,48px)}
.rules div{border-top:1.5px solid var(--ink);padding-top:14px}
.rules b{display:block;font:700 19px var(--p-display);letter-spacing:-.02em;margin-bottom:4px}
.rules span{color:var(--mute);font-size:15px}

/* ── live mock ────────────────────────────────────────────────────────── */
.mock-run{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.mock-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.mock-sub{font-weight:600;color:var(--mute);font-size:15px}
.mock-timer{font:700 24px var(--p-display);font-variant-numeric:tabular-nums;letter-spacing:-.01em;padding:6px 18px;border-radius:999px;border:1.5px solid var(--ink);background:var(--card)}
.mock-timer.low{background:var(--no);border-color:var(--no);color:#fff}
.mock-side{position:sticky;top:90px}
.mock-side .hcard{padding:22px}
.mock-legend{display:flex;gap:6px 14px;flex-wrap:wrap;font-size:13.5px;color:var(--mute);margin-bottom:16px}
.mock-legend span{display:inline-flex;align-items:center;gap:6px}
.mock-legend i{width:14px;height:14px;border-radius:5px;border:1.5px solid var(--ink);display:inline-block}
.d-ans{background:var(--az)}.d-mark{background:var(--rv)}.d-none{background:var(--card)}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:7px;max-height:340px;overflow-y:auto;padding:3px}
.palette button{aspect-ratio:1;min-width:0;border-radius:12px;border:1.5px solid var(--line);background:var(--card);font:600 14px var(--p-display);padding:0;transition:border-color .2s,transform .2s}
.palette button:hover{border-color:var(--ink)}
.palette button.ans{background:var(--az);border-color:var(--ink);color:#fff}
.palette button.mark{background:var(--rv);border-color:var(--ink);color:var(--ink)}
.palette button.ans.mark{background:var(--az);color:#fff;box-shadow:0 0 0 3px var(--rv)}
.palette button.cur{outline:3px solid var(--az);outline-offset:2px;border-color:var(--ink)}
.confirm-box{margin-top:18px;border:1.5px solid var(--ink);border-radius:16px;padding:16px;background:var(--az-tint)}
.confirm-box p{font-weight:600;margin-bottom:12px}
.mock-side .submit-btn{width:100%;margin-top:18px}

/* distribution / bars */
.bars{display:flex;flex-direction:column;gap:14px}
.brow{display:grid;grid-template-columns:minmax(0,130px) minmax(0,1fr) 54px;gap:14px;align-items:center;font-size:15px}
.brow>span{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brow>b{font:700 17px var(--p-display);text-align:right;font-variant-numeric:tabular-nums}
.btrack{height:14px;border-radius:999px;background:var(--soft);overflow:hidden}
.btrack i{display:block;height:100%;border-radius:999px;background:var(--az);transform-origin:left;animation:grow .9s cubic-bezier(.2,.8,.2,1) both}
.btrack i.lo{background:var(--no)}
.brow small{grid-column:2 / -1;margin-top:-8px;color:var(--mute);font-size:13px}
@keyframes grow{from{transform:scaleX(0)}}

/* ── dashboard ────────────────────────────────────────────────────────── */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.kpi{background:var(--card);border:1.5px solid var(--line);border-radius:20px;padding:22px}
.kpi.hero{border-color:var(--ink);box-shadow:6px 6px 0 var(--az)}
.kpi b{display:block;font:700 clamp(34px,3.6vw,48px)/1 var(--p-display);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.kpi span{display:block;margin-top:8px;color:var(--mute);font-size:15px}
.kpi.dim b{color:var(--mute)}
.dgrid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:20px;align-items:start;margin-bottom:20px}
.dstack{display:flex;flex-direction:column;gap:20px}
.hcard h2{font-size:clamp(22px,2vw,26px);letter-spacing:-.03em;margin-bottom:6px}
.hcard .sub{color:var(--mute);font-size:15px;margin-bottom:20px}
.hcard .sub.tight{margin-bottom:16px}
.hc-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hc-head h2{margin:0}
.hc-head span{color:var(--mute);font-size:14px}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-top:6px}
.week div{text-align:center;font-size:13px;color:var(--mute)}
.week i{display:grid;place-items:center;width:100%;max-width:44px;aspect-ratio:1;margin:0 auto 6px;border-radius:50%;border:1.5px solid var(--line);font-style:normal;color:#fff;font-weight:700}
.week .on i{background:var(--az);border-color:var(--ink)}
.week .today i{border-color:var(--ink);border-style:dashed}
.week .today.on i{border-style:solid}
.streak-line{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.streak-line b{font:700 44px/1 var(--p-display);letter-spacing:-.04em}
.streak-line span{color:var(--mute);font-size:15px}
.trend{display:flex;align-items:flex-end;gap:clamp(8px,2vw,22px);height:210px;padding-top:10px}
.tb{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;height:100%;gap:6px}
.tb-col{flex:1;width:100%;max-width:64px;display:flex;align-items:flex-end;border-bottom:1.5px solid var(--ink)}
.tb-col i{display:block;width:100%;border-radius:8px 8px 0 0;background:var(--az);transform-origin:bottom;animation:growy .9s cubic-bezier(.2,.8,.2,1) both}
.tb:last-child .tb-col i{background:var(--az)}
.tb b{font:700 15px var(--p-display);font-variant-numeric:tabular-nums}
.tb small{color:var(--mute);font-size:12.5px;white-space:nowrap}
@keyframes growy{from{transform:scaleY(0)}}
.weak-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 14px;align-items:center;padding:14px 0;border-top:1.5px solid var(--line)}
.weak-row:first-of-type{border-top:0;padding-top:4px}
.weak-row strong{display:block;font-weight:600;line-height:1.3}
.weak-row small{display:block;color:var(--mute);font-size:13.5px}
.weak-row b{font:700 22px var(--p-display);color:var(--no);letter-spacing:-.03em;text-align:right}
.weak-row a{grid-column:1 / -1;justify-self:start;font-weight:600;font-size:14.5px;color:var(--az-d);text-decoration:underline;text-underline-offset:3px}
.side-link{display:flex;justify-content:space-between;gap:10px;margin-top:10px;padding:14px 18px;border:1.5px solid var(--line);border-radius:16px;background:var(--card);font-weight:600;font-size:15.5px;transition:border-color .2s,box-shadow .2s,transform .2s}
.side-link:hover{border-color:var(--ink);box-shadow:4px 4px 0 var(--az);transform:translate(-2px,-2px)}
.srow{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:6px 16px;align-items:center;padding:13px 0;border-top:1.5px solid var(--line)}
.srow:first-of-type{border-top:0}
.srow strong{font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.srow small{display:block;color:var(--mute);font-size:13.5px;font-weight:400;white-space:normal}
.srow .kind{font-size:13px;font-weight:700;padding:3px 12px;border-radius:999px;background:var(--az-tint);color:var(--primary-ink)}
.srow b{font:700 18px var(--p-display);font-variant-numeric:tabular-nums;min-width:56px;text-align:right}
.empty-hero{background:var(--card);border:1.5px solid var(--ink);border-radius:22px;box-shadow:8px 8px 0 var(--az);padding:clamp(26px,4vw,52px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.empty-hero h2{font-size:clamp(28px,3.4vw,44px);line-height:1.05;letter-spacing:-.035em}
.empty-hero p{margin-top:14px;color:var(--mute);font-size:17px;max-width:30em}
.empty-hero .acts{margin-top:24px}
.ghost-bars{display:flex;flex-direction:column;gap:14px}
.ghost-bars div{display:grid;grid-template-columns:90px 1fr;gap:12px;align-items:center;font-size:14px;color:var(--mute)}
.ghost-bars i{display:block;height:14px;border-radius:999px;background:var(--soft)}

/* ── auth ─────────────────────────────────────────────────────────────── */
.auth-card{background:var(--card);border:1.5px solid var(--ink);border-radius:24px;box-shadow:8px 8px 0 var(--az);padding:clamp(24px,4vw,40px)}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--soft);border-radius:999px;margin-bottom:26px}
.auth-tabs a{text-align:center;padding:10px 12px;border-radius:999px;font-weight:600;font-size:15px;color:var(--mute);transition:background .2s,color .2s}
.auth-tabs a:hover{color:var(--ink)}
.auth-tabs a[aria-current=page]{background:var(--az);color:#fff}
.auth-card h1{font-size:clamp(30px,4vw,38px);line-height:1.05;letter-spacing:-.035em}
.auth-sub{color:var(--mute);margin:12px 0 24px;font-size:16.5px}
.auth-form{display:flex;flex-direction:column;gap:16px}
.auth-form .button{width:100%;margin-top:6px}
.auth-switch{margin-top:22px;padding-top:18px;border-top:1.5px dashed var(--line);color:var(--mute);font-size:14.5px}
.auth-switch a{color:var(--az-d);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.auth-card .acts{margin-top:4px}

/* ── responsive ───────────────────────────────────────────────────────── */
@media(max-width:1000px){
  .mock-grid,.rules{grid-template-columns:1fr}.mock-card{min-height:0}
  .mock-run{grid-template-columns:minmax(0,1fr)}.mock-side{position:static}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dgrid,.empty-hero{grid-template-columns:minmax(0,1fr)}
  .x-setup-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
  .site-header-in{padding:10px 16px}
  .page{padding-inline:16px}
  .site-footer{padding:28px 16px 40px}
  .paper,.result,.empty-hero,.auth-card{box-shadow:5px 5px 0 var(--az)}
  .result{grid-template-columns:minmax(0,1fr)}
  .x-setup-grid{grid-template-columns:minmax(0,1fr)}
  .quiz-options button{padding:12px;gap:10px;grid-template-columns:34px minmax(0,1fr);font-size:16px}
  .rv-item summary{grid-template-columns:34px minmax(0,1fr) 16px;gap:10px;padding:12px}
  .rv-st{display:none}
  .rv-body{padding:2px 14px 18px}
  .brow{grid-template-columns:minmax(0,92px) minmax(0,1fr) 46px;gap:10px}
  .srow{grid-template-columns:minmax(0,1fr) auto}.srow .kind{display:none}
  .quiz-actions .button{flex:1}
  .mock-btns .button{flex:1}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}

.rv-item[open] .rv-q span{display:none}
.ph-row h1{max-width:none}