:root{--pcu-ink:#172554;--pcu-blue:#2563eb;--pcu-cyan:#06b6d4;--pcu-yellow:#fbbf24;--pcu-paper:#f8fafc;--pcu-red:#e11d48;--pcu-green:#16a34a}.pcu-app{max-width:980px;margin:24px auto 64px;color:var(--pcu-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.pcu-app *{box-sizing:border-box}.pcu-hero{position:relative;overflow:hidden;padding:clamp(32px,6vw,72px);border-radius:28px;background:linear-gradient(135deg,#172554 0%,#1d4ed8 62%,#06b6d4 100%);color:#fff;box-shadow:0 24px 60px rgba(30,64,175,.22)}.pcu-hero:after{content:"</>";position:absolute;right:-15px;bottom:-40px;font-size:clamp(100px,22vw,220px);font-weight:900;color:rgba(255,255,255,.09);transform:rotate(-8deg)}.pcu-hero-badge{display:inline-flex;padding:7px 12px;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:rgba(255,255,255,.12);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.pcu-hero h1{position:relative;z-index:1;max-width:760px;margin:18px 0 7px;font-size:clamp(36px,7vw,68px);line-height:.98;letter-spacing:-.045em;color:#fff}.pcu-hero p{margin:24px 0 0;font-size:18px;font-weight:700}.pcu-en{display:block;margin-top:4px;color:#64748b;font-size:.8em;font-style:italic;font-weight:400;line-height:1.45}.pcu-hero .pcu-en{color:#dbeafe}.pcu-form{margin-top:24px}.pcu-student-card,.pcu-question{border:1px solid #dbeafe;border-radius:24px;background:#fff;box-shadow:0 14px 40px rgba(30,64,175,.08)}.pcu-student-card{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:26px}.pcu-section-number{color:var(--pcu-cyan);font-size:26px;font-weight:900;letter-spacing:-.06em}.pcu-student-fields{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}.pcu-field label{display:block;margin-bottom:8px;font-weight:800}.pcu-field input,.pcu-field select{width:100%;min-height:54px;padding:0 16px;border:2px solid #cbd5e1;border-radius:14px;background:#fff;color:#0f172a;font-size:16px;transition:.2s}.pcu-field input:focus,.pcu-field select:focus{outline:0;border-color:var(--pcu-blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}.pcu-progress-wrap{position:sticky;top:32px;z-index:5;margin:22px 12px;padding:12px 18px;border:1px solid rgba(255,255,255,.7);border-radius:16px;background:rgba(255,255,255,.9);box-shadow:0 8px 24px rgba(15,23,42,.1);backdrop-filter:blur(12px)}.pcu-progress-copy{display:flex;justify-content:space-between;margin-bottom:7px;font-size:13px;font-weight:800}.pcu-progress{height:8px;overflow:hidden;border-radius:99px;background:#e2e8f0}.pcu-progress span{display:block;width:0;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--pcu-blue),var(--pcu-cyan));transition:width .25s ease}.pcu-question{min-inline-size:0;margin:20px 0;padding:clamp(20px,4vw,34px)}.pcu-question-top{display:grid;grid-template-columns:1fr 190px;align-items:center;gap:24px}.pcu-question h2{margin:5px 0;font-size:clamp(21px,3vw,29px);line-height:1.15;letter-spacing:-.025em;color:var(--pcu-ink)}.pcu-hint{width:190px;height:150px;object-fit:contain}.pcu-options{display:grid;gap:10px;margin-top:22px}.pcu-option{display:grid;grid-template-columns:48px 1fr;align-items:center;gap:12px;padding:14px;border:2px solid #e2e8f0;border-radius:16px;background:var(--pcu-paper);cursor:pointer;transition:transform .16s,border-color .16s,background .16s,box-shadow .16s}.pcu-option:hover{transform:translateY(-2px);border-color:#93c5fd;box-shadow:0 8px 18px rgba(37,99,235,.08)}.pcu-option:has(input:checked){border-color:var(--pcu-blue);background:#eff6ff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.pcu-option input{position:absolute;opacity:0;pointer-events:none}.pcu-letter{display:grid;width:44px;height:44px;place-items:center;border-radius:12px;background:#fff;color:var(--pcu-blue);font-size:18px;font-weight:900;box-shadow:0 2px 8px rgba(15,23,42,.08)}.pcu-option:has(input:checked) .pcu-letter{background:var(--pcu-blue);color:#fff}.pcu-option-copy strong{display:block;color:#0f172a;font-size:16px;line-height:1.35}.pcu-submit-wrap{text-align:center;padding:30px}.pcu-submit-wrap button,.pcu-retry{display:inline-flex;align-items:center;gap:10px;padding:17px 24px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--pcu-blue),#4338ca);color:#fff!important;font-size:17px;font-weight:900;letter-spacing:.04em;text-decoration:none;box-shadow:0 12px 28px rgba(37,99,235,.25);cursor:pointer;transition:.2s}.pcu-submit-wrap button:hover,.pcu-retry:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.32)}.pcu-submit-wrap button span,.pcu-retry span{font-size:12px;font-style:italic;font-weight:500;opacity:.8}.pcu-submit-wrap button b{font-size:24px}.pcu-submit-wrap p{font-size:14px;color:#64748b}.pcu-alert{margin:22px 0;padding:18px 20px;border-radius:14px}.pcu-alert-error{border:1px solid #fecdd3;background:#fff1f2;color:#9f1239}.pcu-result{display:grid;max-width:820px;margin:40px auto;padding:clamp(30px,6vw,64px);border-radius:28px;text-align:center;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;box-shadow:0 24px 70px rgba(15,23,42,.13)}.pcu-result-success{background:linear-gradient(145deg,#ecfdf5,#fefce8);color:#14532d}.pcu-result-fail{background:linear-gradient(145deg,#fff1f2,#fff7ed);color:#881337}.pcu-result-kicker{display:inline-block;padding:7px 12px;border-radius:999px;background:#fff;font-weight:900;box-shadow:0 5px 18px rgba(15,23,42,.08)}.pcu-result h2{margin:18px auto 6px;max-width:680px;font-size:clamp(28px,5vw,46px);line-height:1.06;letter-spacing:-.04em;color:inherit}.pcu-trophy{width:min(280px,75%);margin:24px auto 0}.pcu-result-icon{font-size:72px;font-weight:900}.pcu-error-count{font-size:20px}.pcu-result .pcu-retry{margin-top:15px}.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:700px){.pcu-app{margin-inline:10px}.pcu-hero{border-radius:20px}.pcu-student-card{grid-template-columns:1fr}.pcu-student-fields{grid-template-columns:1fr}.pcu-question-top{grid-template-columns:1fr}.pcu-hint{width:160px;height:125px;justify-self:center}.pcu-progress-wrap{top:8px}.pcu-option{grid-template-columns:42px 1fr;padding:12px}.pcu-letter{width:38px;height:38px}}