:root{color:#111827;font-synthesis:none;text-rendering:optimizelegibility;--ink:#111827;--muted:#667085;--line:#e5e7eb;--surface:#fff;--brand:#5b4bdb;--brand-dark:#4538b8;--soft:#f0efff;--danger:#c62828;--success:#137a4e;background:#f4f6f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 0 0,#eef0ff 0,#0000 30%),#f5f6f8;min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{min-height:100vh;padding:0 5vw 48px}.shell-compact{max-width:1080px;margin:0 auto}.topbar{align-items:center;height:88px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-mark{background:var(--ink);color:#fff;border-radius:12px;place-items:center;width:38px;height:38px;font-size:18px;font-weight:900;display:grid;box-shadow:0 7px 22px #1118272e}.brand strong,.brand span{display:block}.brand strong{letter-spacing:-.02em;font-size:17px}.brand span{color:var(--muted);margin-top:1px;font-size:12px}.auth-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:8vw;max-width:1180px;margin:5vh auto 0;display:grid}.hero-copy{padding:16px 0 48px}.eyebrow{color:var(--brand);letter-spacing:.14em;font-size:12px;font-weight:800}.hero-copy h1{letter-spacing:-.055em;max-width:760px;margin:24px 0;font-size:clamp(44px,6vw,78px);line-height:.98}.hero-copy p{max-width:620px;color:var(--muted);font-size:18px;line-height:1.65}.test-facts{gap:32px;margin-top:38px;display:flex}.test-facts span{color:var(--muted);align-items:baseline;gap:7px;display:flex}.test-facts b{color:var(--ink);font-size:26px}.card{background:#fffffff5;border:1px solid #e2e8f0f2;border-radius:24px;box-shadow:0 24px 70px #0f172a17}.auth-card{padding:42px}.card-kicker,.step-badge{color:var(--brand);text-transform:uppercase;letter-spacing:.11em;font-size:11px;font-weight:800}h1,h2,h3{letter-spacing:-.025em}.auth-card h2{margin:10px 0;font-size:28px}.muted{color:var(--muted);line-height:1.55}label{color:#344054;gap:8px;margin-top:22px;font-size:13px;font-weight:700;display:grid}input,select,textarea{width:100%;color:var(--ink);background:#fff;border:1px solid #d0d5dd;border-radius:12px;outline:none;transition:border-color .15s,box-shadow .15s}input,select{height:48px;padding:0 14px}textarea{padding:14px}input:focus,select:focus,textarea:focus{border-color:#8f84ef;box-shadow:0 0 0 4px #5b4bdb1f}.primary-button,.secondary-button,.danger-button,.submit-button{border:0;border-radius:12px;min-height:48px;padding:0 20px;font-weight:800}.primary-button{background:var(--brand);color:#fff;width:100%;margin-top:26px;box-shadow:0 10px 26px #5b4bdb38}.primary-button:hover{background:var(--brand-dark)}.primary-button.inline{width:auto;margin:0}.secondary-button{color:var(--ink);background:#fff;border:1px solid #d0d5dd}.danger-button{background:var(--danger);color:#fff}.privacy-note{color:#98a2b3;margin:18px 0 0;font-size:12px;line-height:1.5}.error-box,.warning-box{border-radius:12px;margin-top:18px;padding:12px 14px;font-size:13px;font-weight:650}.error-box{color:#9f1d1d;background:#fff1f1;border:1px solid #fecaca}.warning-box{color:#8a5400;background:#fff8e6;border:1px solid #fbd38d}.profile-card{max-width:820px;margin:5vh auto 0;padding:48px}.profile-card h1{margin:12px 0 8px;font-size:40px}.two-fields{grid-template-columns:1fr 1fr;gap:20px;display:grid}.instructions{border:1px solid var(--line);background:#f8fafc;border-radius:16px;margin:28px 0 18px;padding:20px 22px}.instructions h3{margin:0 0 10px}.instructions ul{color:#475467;margin:0;padding-left:20px;line-height:1.65}.checkbox-row{grid-template-columns:20px 1fr;align-items:start;font-weight:500;line-height:1.5;display:grid}.checkbox-row input{width:18px;height:18px;margin-top:2px}.test-layout{background:#f7f8fa;grid-template-rows:76px 1fr;grid-template-columns:300px 1fr;min-height:100vh;display:grid}.test-header{border-bottom:1px solid var(--line);z-index:20;background:#fff;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 28px;display:flex;position:sticky;top:0}.progress-summary{color:var(--muted);gap:18px;font-size:13px;display:flex}.save-error{color:var(--danger)}.timer{justify-items:end;min-width:122px;display:grid}.timer small{color:var(--muted);font-size:11px}.timer strong{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-size:24px}.timer-danger strong{color:var(--danger)}.question-nav{border-right:1px solid var(--line);background:#fff;height:calc(100vh - 76px);padding:22px 18px;position:sticky;top:76px;overflow-y:auto}.candidate-chip{background:#f8fafc;border-radius:12px;margin-bottom:18px;padding:14px}.candidate-chip span,.candidate-chip small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.candidate-chip span{font-weight:800}.candidate-chip small{color:var(--muted);margin-top:3px}.section-tabs{gap:6px;display:grid}.section-tabs button{text-align:left;color:#475467;background:0 0;border:0;border-radius:10px;padding:10px 12px;font-size:13px;font-weight:700}.section-tabs button.active{background:var(--soft);color:var(--brand-dark)}.number-grid{grid-template-columns:repeat(5,1fr);gap:7px;margin:22px 0;display:grid}.number-grid button{aspect-ratio:1;color:#667085;background:#fff;border:1px solid #d0d5dd;border-radius:9px;font-size:12px}.number-grid button.answered{color:#0f6b43;background:#e7f7ef;border-color:#9bd7ba;font-weight:800}.number-grid button.current{outline:2px solid var(--brand);outline-offset:1px}.submit-button{background:var(--ink);color:#fff;width:100%}.test-content{min-width:0;padding:44px 6vw 56px}.question-card{border:1px solid var(--line);background:#fff;border-radius:22px;max-width:900px;margin:0 auto;padding:36px;box-shadow:0 16px 46px #0f172a0f}.question-meta{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;justify-content:space-between;font-size:12px;font-weight:750;display:flex}.question-card h2.prompt{margin:24px 0 28px;font-size:25px;font-weight:750;line-height:1.42}.preline{white-space:pre-line}.options{gap:12px;display:grid}.option{color:#344054;cursor:pointer;border:1px solid #d8dee7;border-radius:14px;grid-template-columns:22px 34px 1fr;align-items:center;gap:10px;min-height:64px;margin:0;padding:12px 16px;font-size:15px;font-weight:550;display:grid}.option:hover{background:#fbfaff;border-color:#aaa2eb}.option.selected{border-color:var(--brand);background:var(--soft);color:#352d86;box-shadow:inset 0 0 0 1px var(--brand)}.option input{width:18px;height:18px;margin:0}.option-letter{background:#f2f4f7;border-radius:9px;place-items:center;width:30px;height:30px;font-size:12px;font-weight:900;display:grid}.question-actions{justify-content:space-between;max-width:900px;margin:22px auto 0;display:flex}.coding-card h2{margin-bottom:8px;font-size:28px}.coding-card .prompt{color:#344054;line-height:1.65}.code-toolbar{justify-content:flex-end;display:flex}.code-toolbar label{width:190px;margin-top:18px}.code-editor{color:#e6edf3;tab-size:2;background:#10141c;border-color:#222936;min-height:380px;margin-top:12px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:14px;line-height:1.55}.examples{border:1px solid var(--line);color:#475467;border-radius:12px;margin-top:18px;padding:14px 16px}.examples summary{cursor:pointer;font-weight:800}.example{gap:6px;margin:14px 0;display:grid}.example code{white-space:pre-wrap;background:#f2f4f7;border-radius:8px;padding:8px 10px;display:block}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a9e;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{width:min(520px,100%);max-height:90vh;padding:34px;position:relative;overflow:auto}.modal h2{margin:12px 0;font-size:30px}.modal p{color:var(--muted);line-height:1.6}.modal-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.modal-close{color:var(--muted);background:0 0;border:0;font-size:28px;position:absolute;top:14px;right:18px}.submitted-card{text-align:center;max-width:680px;margin:8vh auto 0;padding:56px}.success-icon{width:64px;height:64px;color:var(--success);background:#e7f7ef;border-radius:50%;place-items:center;margin:0 auto 20px;font-size:32px;font-weight:900;display:grid}.submitted-card h1{font-size:38px}.submitted-card p{color:var(--muted);line-height:1.7}.submission-meta{background:#f8fafc;border-radius:12px;gap:5px;margin:28px 0;padding:16px;display:grid}.submission-meta span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:12px}.loading-card{text-align:center;max-width:440px;margin:12vh auto;padding:30px}.admin-login{max-width:480px;margin:9vh auto;padding:42px}.admin-page{background:#f7f8fa;min-height:100vh}.admin-page .test-header{height:76px;position:sticky}.admin-page .test-header h2{margin:0;font-size:18px}.admin-main{padding:32px}.admin-table-wrap{border-radius:18px;overflow:auto}table{border-collapse:collapse;width:100%;min-width:980px}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;padding:16px 18px}th{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;background:#f8fafc;font-size:11px}td{font-size:14px}td b,td small{display:block}td small{color:var(--muted);margin-top:3px}.link-button{color:var(--brand);background:0 0;border:0;font-weight:800}.recommendation{background:#eef2f6;border-radius:999px;padding:6px 8px;font-size:10px;font-weight:900;display:inline-block}.recommendation.strong_next_round{color:#086642;background:#e4f7ee}.recommendation.review_with_coding{color:#7a4d00;background:#fff4d9}.recommendation.do_not_advance{color:#9f1d1d;background:#fff0f0}.result-modal{width:min(1000px,96vw)}.score-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0 28px;display:grid}.score-grid div{border:1px solid var(--line);background:#f8fafc;border-radius:12px;padding:16px}.score-grid b,.score-grid span{display:block}.score-grid b{font-size:24px}.score-grid span{color:var(--muted);margin-top:3px;font-size:12px}.coding-review{border:1px solid var(--line);border-radius:14px;margin-top:16px;padding:16px}.coding-review pre{white-space:pre-wrap;color:#e6edf3;background:#10141c;border-radius:10px;max-height:280px;padding:14px;overflow:auto}@media (width<=900px){.auth-grid{grid-template-columns:1fr;margin-top:1vh}.hero-copy{padding-bottom:4px}.hero-copy h1{font-size:48px}.test-layout{grid-template-rows:76px auto 1fr;grid-template-columns:1fr}.question-nav{border-right:0;border-bottom:1px solid var(--line);height:auto;position:static;overflow:visible}.section-tabs{padding-bottom:6px;display:flex;overflow-x:auto}.section-tabs button{white-space:nowrap}.number-grid{grid-template-columns:repeat(10,1fr);max-height:170px;overflow:auto}.test-content{padding:28px 20px 40px}}@media (width<=640px){.shell{padding:0 18px 32px}.topbar{height:72px}.auth-card,.profile-card,.submitted-card{border-radius:18px;padding:28px 22px}.hero-copy h1{font-size:40px}.test-facts{flex-wrap:wrap;gap:18px}.two-fields{grid-template-columns:1fr;gap:0}.test-header{padding:0 14px}.test-header .brand span,.progress-summary{display:none}.question-card{padding:24px 18px}.question-card h2.prompt{font-size:20px}.option{grid-template-columns:20px 30px 1fr;padding:10px}.number-grid{grid-template-columns:repeat(8,1fr)}.score-grid{grid-template-columns:1fr 1fr}.modal-actions{flex-direction:column-reverse}.modal-actions button{width:100%}}