.ustka-exam{--ustka-accent:#0b78b8;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#edf2f5;min-height:100vh;color:#15212a;position:relative;box-sizing:border-box}.ustka-exam *,.ustka-exam *:before,.ustka-exam *:after{box-sizing:border-box}.ustka-topbar{position:sticky;top:0;z-index:50;display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;gap:14px;background:rgba(255,255,255,.98);border-bottom:1px solid #dce4e9;padding:11px 22px;box-shadow:0 4px 18px rgba(15,35,50,.08);backdrop-filter:blur(10px)}.ustka-brand{display:flex;align-items:center;gap:10px;min-width:0}.ustka-mark,.ustka-final-mark,.ustka-access-mark,.ustka-gate-mark{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ustka-accent);color:#fff;font-weight:800}.ustka-brand>div{min-width:0}.ustka-brand strong{display:block;font-size:14px;line-height:1.25}.ustka-brand small{display:block;color:#70808b;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.ustka-stat{text-align:center;min-width:66px}.ustka-stat span{display:block;font-size:10px;color:#7a8992;line-height:1.1}.ustka-stat b{font-size:15px;line-height:1.2}.ustka-finish{border:0;border-radius:10px;background:var(--ustka-accent);color:#fff;padding:10px 17px;font-weight:700;cursor:pointer;box-shadow:0 5px 12px rgba(11,120,184,.2);white-space:nowrap}.ustka-finish:disabled{opacity:.6;cursor:wait}.ustka-stage{padding:18px 14px 82px}.ustka-pdf-wrap{position:relative;max-width:1000px;margin:0 auto;background:#dfe7eb;border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(20,45,60,.06)}.ustka-pdf-toolbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:rgba(247,250,251,.96);border-bottom:1px solid #d6e0e5;backdrop-filter:blur(8px)}.ustka-pdf-toolbar strong{font-size:13px}.ustka-pdf-toolbar small{display:block;color:#71808a;font-size:10px;margin-top:2px}.ustka-pdf-hint{font-size:10px;color:#71808a;text-align:right}.ustka-pdf-pages{padding:18px 12px 30px}.ustka-pdf-page{position:relative;width:100%;max-width:920px;margin:0 auto 18px;background:#fff;border-radius:3px;box-shadow:0 3px 12px rgba(20,40,50,.14);overflow:hidden;min-height:180px}.ustka-pdf-page canvas{display:block;width:100%;height:auto;background:#fff}.ustka-page-loading{position:absolute;inset:0;display:grid;place-items:center;color:#71808a;font-size:12px;background:#fff}.ustka-page-number{position:absolute;right:8px;bottom:7px;padding:3px 6px;border-radius:6px;background:rgba(255,255,255,.88);color:#788790;font-size:9px;pointer-events:none}.ustka-pdf-watermark{position:fixed;z-index:2;top:48%;left:50%;transform:translate(-50%,-50%) rotate(-20deg);font-size:24px;font-weight:800;color:rgba(11,120,184,.055);pointer-events:none;white-space:nowrap}.ustka-loading{padding:34px;text-align:center;color:#72818b}.ustka-sheet-fab{position:fixed;right:22px;bottom:22px;z-index:70;border:1px solid #dce5e9;border-radius:14px;background:#fff;color:#17303d;padding:12px 16px;box-shadow:0 10px 30px rgba(15,35,50,.18);cursor:pointer}.ustka-sheet-fab strong{font-size:13px}.ustka-backdrop{position:fixed;inset:0;background:rgba(9,23,31,.38);opacity:0;visibility:hidden;z-index:80;transition:.2s}.ustka-backdrop.open{opacity:1;visibility:visible}.ustka-sheet{position:fixed;right:0;top:0;bottom:0;width:min(480px,94vw);background:#fff;z-index:90;transform:translateX(105%);transition:.25s ease;display:flex;flex-direction:column;box-shadow:-15px 0 40px rgba(10,25,35,.18)}.ustka-sheet.open{transform:translateX(0)}.ustka-sheet-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid #e1e8ec}.ustka-sheet-head strong{display:block}.ustka-sheet-head small{display:block;color:#71808a;font-size:11px;margin-top:3px}.ustka-sheet-head button{border:0;background:#f0f3f5;border-radius:9px;width:34px;height:34px;font-size:23px;cursor:pointer}.ustka-progress{height:5px;background:#edf1f3}.ustka-progress div{height:100%;width:0;background:var(--ustka-accent);transition:.2s}.ustka-answers{overflow:auto;padding:12px}.ustka-answer-row{display:flex;gap:10px;padding:10px;border:1px solid #e1e8ec;border-radius:12px;margin-bottom:8px;background:#fff}.ustka-qno{width:30px;height:30px;flex:0 0 30px;display:grid;place-items:center;border-radius:8px;background:#eef3f6;font-weight:800;font-size:12px}.ustka-answer-main{flex:1;min-width:0}.ustka-type{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#788892;margin-bottom:7px}.ustka-options{display:flex;flex-wrap:wrap;gap:6px}.ustka-option{width:35px;height:35px;border:1px solid #d8e1e6;background:#f8fafb;border-radius:9px;font-weight:800;cursor:pointer}.ustka-option.sel{background:var(--ustka-accent);border-color:var(--ustka-accent);color:#fff}.ustka-tf{display:grid;grid-template-columns:22px minmax(0,1fr) minmax(0,1fr);gap:4px;align-items:center;width:100%;margin-bottom:4px}.ustka-tf>span{font-weight:800;font-size:12px}.ustka-tf button{border:1px solid #d9e2e7;background:#f8fafb;border-radius:8px;padding:7px 5px;cursor:pointer;font-size:11px}.ustka-tf button.sel{background:var(--ustka-accent);border-color:var(--ustka-accent);color:#fff}.ustka-sheet-foot{margin-top:auto;padding:14px 16px;border-top:1px solid #e1e8ec;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff}.ustka-sheet-foot span{font-size:12px;color:#60717a;font-weight:600}.ustka-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;background:rgba(8,20,27,.48);opacity:0;visibility:hidden;transition:.2s}.ustka-modal.open{opacity:1;visibility:visible}.ustka-modal-card{width:min(430px,calc(100vw - 30px));background:#fff;border-radius:20px;padding:28px;box-shadow:0 25px 70px rgba(0,0,0,.25);text-align:center}.ustka-modal-icon{width:50px;height:50px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;background:#fff3d9;color:#9a6500;font-size:26px;font-weight:800}.ustka-modal-card h2{margin:8px 0}.ustka-modal-card p{color:#64747e}.ustka-modal-actions{display:flex;gap:8px;justify-content:center;margin-top:20px}.ustka-modal-actions button{border:0;border-radius:10px;padding:11px 15px;cursor:pointer;font-weight:700}.ustka-modal-actions button:last-child{background:var(--ustka-accent);color:#fff}.ustka-access-gate,.ustka-gate-screen,.ustka-final-screen{min-height:calc(100vh - 77px);display:grid;place-items:center;padding:35px 18px;background:linear-gradient(145deg,#eef5f8,#f9fbfc)}.ustka-access-card,.ustka-gate-card{width:min(520px,100%);background:#fff;border:1px solid #dfe7eb;border-radius:24px;padding:38px;box-shadow:0 18px 55px rgba(20,45,60,.1);text-align:center}.ustka-access-mark,.ustka-gate-mark{margin:0 auto 14px}.ustka-kicker,.ustka-final-label{font-size:10px;letter-spacing:.16em;font-weight:800;color:#73828b}.ustka-access-card h2,.ustka-gate-card h2{font-size:30px;line-height:1.15;margin:10px 0}.ustka-access-card p,.ustka-gate-card p{line-height:1.55;color:#60717a}.ustka-access-form{display:flex;gap:8px;margin:22px 0}.ustka-access-form input{flex:1;min-width:0;border:1px solid #d6e0e5;border-radius:10px;padding:12px 13px;font-size:15px}.ustka-access-form button{border:0;border-radius:10px;background:var(--ustka-accent);color:#fff;font-weight:700;padding:0 17px;min-height:46px}.ustka-access-message{min-height:22px;font-size:13px}.ustka-access-message.error{color:#b42318}.ustka-access-message.success{color:#137333}.ustka-final-card{width:min(560px,100%);background:#fff;border:1px solid #e0e7ea;border-radius:26px;padding:38px 42px;text-align:center;box-shadow:0 18px 60px rgba(20,45,60,.12)}.ustka-final-brand{display:flex;justify-content:center;align-items:center;gap:9px}.ustka-final-check{width:60px;height:60px;margin:26px auto 12px;border-radius:50%;background:#e8f7ee;color:#249255;display:grid;place-items:center;font-size:34px}.ustka-final-card h1{font-size:27px;line-height:1.25;margin:12px 0 6px}.ustka-final-score{font-size:84px;line-height:1;font-weight:850;color:var(--ustka-accent);margin-top:14px}.ustka-final-caption{font-size:10px;letter-spacing:.18em;font-weight:800;color:#74828a}.ustka-final-detail{font-size:13px;color:#6c7b84;margin:12px}.ustka-final-card p{color:#65757f;line-height:1.7}.ustka-final-rule{height:1px;background:#e2e8eb;margin:22px 0}.ustka-final-quote{font-weight:700;line-height:1.65}.ustka-final-foot{font-size:10px;color:#89959c;margin-top:25px}.ustka-exam-finished .ustka-topbar,.ustka-exam-finished .ustka-stage,.ustka-exam-finished .ustka-sheet-fab{display:none}
@media(max-width:700px){.ustka-topbar{position:sticky;top:0;grid-template-columns:minmax(0,1fr) auto auto;gap:7px;padding:8px 10px}.ustka-brand{gap:8px}.ustka-mark{width:34px;height:34px;flex-basis:34px;border-radius:9px}.ustka-brand strong{font-size:12px}.ustka-brand small{font-size:9px;max-width:135px}.ustka-stat{min-width:42px}.ustka-stat span{font-size:8px}.ustka-stat b{font-size:13px}.ustka-topbar>.ustka-finish{padding:9px 10px;font-size:12px;border-radius:9px}.ustka-stage{padding:8px 0 92px}.ustka-pdf-wrap{border-radius:0;box-shadow:none}.ustka-pdf-toolbar{padding:9px 12px}.ustka-pdf-toolbar strong{font-size:12px}.ustka-pdf-toolbar small{font-size:9px}.ustka-pdf-hint{display:none}.ustka-pdf-pages{padding:10px 7px 22px}.ustka-pdf-page{margin-bottom:12px;box-shadow:0 2px 9px rgba(20,40,50,.13);min-height:130px}.ustka-pdf-watermark{font-size:15px;position:fixed}.ustka-sheet-fab{right:10px;bottom:12px;padding:11px 13px;border-radius:13px}.ustka-sheet{top:auto;right:0;bottom:0;width:100%;height:min(78vh,680px);max-height:78vh;border-radius:18px 18px 0 0;transform:translateY(105%);box-shadow:0 -15px 40px rgba(10,25,35,.2)}.ustka-sheet.open{transform:translateY(0)}.ustka-sheet-head{padding:14px 15px}.ustka-answers{padding:9px}.ustka-answer-row{gap:8px;padding:8px;margin-bottom:6px;border-radius:10px}.ustka-qno{width:28px;height:28px;flex-basis:28px}.ustka-option{width:34px;height:34px}.ustka-tf button{min-height:34px;padding:6px 4px}.ustka-sheet-foot{padding:10px 12px}.ustka-access-gate,.ustka-gate-screen,.ustka-final-screen{min-height:calc(100svh - 64px);padding:18px 14px}.ustka-access-card,.ustka-gate-card{border-radius:20px;padding:26px 20px;box-shadow:0 12px 35px rgba(20,45,60,.09)}.ustka-access-card h2,.ustka-gate-card h2{font-size:25px}.ustka-access-form{flex-direction:column;gap:8px;margin:18px 0}.ustka-access-form button{height:45px;padding:0 14px}.ustka-final-card{padding:28px 20px;border-radius:22px}.ustka-final-score{font-size:68px}.ustka-modal-card{padding:24px 18px}.ustka-modal-actions{flex-direction:column-reverse}.ustka-modal-actions button{width:100%;min-height:44px}}
@media(min-width:701px){.ustka-pdf-page canvas{image-rendering:auto}}
@media print{.ustka-exam{display:none!important}}

/* UniversalScout TKA v2.3.0 — paper/page-by-page mode */
.ustka-pdf-pages{padding:18px 12px 30px;min-height:60vh}
.ustka-pdf-page[hidden]{display:none!important}
.ustka-page-nav{display:flex;align-items:center;gap:7px}
.ustka-page-nav button{width:36px;height:34px;border:1px solid #d7e1e6;background:#fff;border-radius:9px;font-size:24px;line-height:1;cursor:pointer;color:#18333f}
.ustka-page-nav button:disabled{opacity:.35;cursor:not-allowed}
.ustka-page-nav span{min-width:54px;text-align:center;font-size:11px;font-weight:800;color:#61727c}
@media(max-width:700px){.ustka-pdf-pages{padding:9px 7px 18px;min-height:70vh}.ustka-page-nav{gap:4px}.ustka-page-nav button{width:34px;height:32px;font-size:22px}.ustka-page-nav span{font-size:10px;min-width:45px}.ustka-pdf-toolbar{position:sticky;top:0;z-index:5}}


/* UniversalScout TKA — true paper mode: one PDF page at a time */
.ustka-pdf-wrap{position:relative;overflow:hidden}
.ustka-pdf-toolbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:rgba(247,250,251,.97);border-bottom:1px solid #d6e0e5;backdrop-filter:blur(10px)}
.ustka-pdf-title{min-width:0}.ustka-pdf-title strong{display:block;font-size:13px}.ustka-pdf-title small{display:block;color:#71808a;font-size:10px;margin-top:2px}
.ustka-page-nav{display:flex;align-items:center;gap:7px;flex:0 0 auto}
.ustka-page-nav button{width:40px;height:38px;border:1px solid #d5e0e5;background:#fff;border-radius:10px;font-size:28px;line-height:1;cursor:pointer;color:#18333f;display:grid;place-items:center;box-shadow:0 2px 6px rgba(20,40,50,.06)}
.ustka-page-nav button:active{transform:scale(.96)}
.ustka-page-nav button:disabled{opacity:.35;cursor:not-allowed;transform:none}
.ustka-page-nav span{min-width:58px;text-align:center;font-size:11px;font-weight:800;color:#61727c}
.ustka-pdf-pages{padding:16px 12px 30px;display:flex;justify-content:center;align-items:flex-start;overflow:hidden;min-height:360px}
.ustka-pdf-page{position:relative;width:100%;max-width:920px;margin:0 auto;background:#fff;border-radius:3px;box-shadow:0 5px 20px rgba(20,40,50,.16);overflow:hidden;line-height:0}
.ustka-pdf-page canvas{display:block;width:100%;height:auto;background:#fff}
.ustka-page-loading{position:absolute;inset:0;min-height:300px;display:grid;place-items:center;color:#71808a;font-size:13px;line-height:1.4;background:#fff}
.ustka-page-error{width:100%;min-height:300px;display:grid;place-items:center;align-content:center;gap:12px;color:#71808a;font-size:13px;line-height:1.5;text-align:center}
.ustka-page-error button,.ustka-pdf-compat button{border:0;border-radius:10px;background:var(--ustka-accent);color:#fff;font-weight:700;padding:10px 16px;cursor:pointer}
.ustka-page-number{position:absolute;right:8px;bottom:7px;padding:3px 6px;border-radius:6px;background:rgba(255,255,255,.9);color:#788790;font-size:9px;line-height:1.2;pointer-events:none}
.ustka-pdf-compat{padding:50px 20px;text-align:center;color:#64747e;line-height:1.5}
.ustka-pdf-watermark{z-index:20}
@media(max-width:700px){
  .ustka-pdf-toolbar{padding:8px 9px;gap:8px}
  .ustka-pdf-title strong{font-size:11px}.ustka-pdf-title small{font-size:9px}
  .ustka-page-nav{gap:4px}.ustka-page-nav button{width:36px;height:34px;font-size:25px;border-radius:9px}.ustka-page-nav span{min-width:48px;font-size:10px}
  .ustka-pdf-pages{padding:8px 5px 88px;min-height:320px}
  .ustka-pdf-page{width:100%;border-radius:2px;box-shadow:0 3px 12px rgba(20,40,50,.14)}
  .ustka-page-loading{min-height:280px;font-size:12px}
  .ustka-page-number{right:5px;bottom:5px;font-size:8px}
}