:root{--ink:#172033;--navy:#10192c;--muted:#647087;--paper:#fffdf8;--canvas:#f1eee7;--line:#ddd8ce;--blue:#3155c6;--blue-soft:#edf1ff;--amber:#e7a52e;--green:#167d55;--red:#ba3a35;--shadow:0 12px 34px rgba(28,34,48,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--canvas);color:var(--ink);font-size:16px;line-height:1.5}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;min-height:58px;padding:9px max(16px,calc((100vw - 920px)/2));background:rgba(16,25,44,.96);color:#fff;border-bottom:3px solid var(--amber);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--amber);color:var(--navy);font:900 13px/1 Georgia,serif;letter-spacing:-.03em;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.brand b{font-family:Georgia,"Times New Roman",serif;font-size:17px;white-space:nowrap}
.brand>span:last-child{opacity:.65;font-size:11px;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.wrap{max-width:920px;margin:0 auto;padding:0 16px 124px}
.hero{position:relative;padding:58px 0 34px;overflow:hidden}
.hero:after{content:"09";position:absolute;right:0;top:12px;color:rgba(49,85,198,.06);font:900 170px/1 Georgia,serif;pointer-events:none}
.eyebrow{position:relative;z-index:1;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:12px}
.hero h1{position:relative;z-index:1;max-width:660px;margin:0 0 16px;font:800 clamp(34px,7vw,60px)/.98 Georgia,"Times New Roman",serif;letter-spacing:-.045em;color:var(--navy)}
.hero h1 em{color:var(--blue);font-weight:400}
.hero p{position:relative;z-index:1;max-width:720px;margin:0 0 20px;color:#4d586d;font-size:15px;line-height:1.7}
.stats{position:relative;z-index:1;display:flex;gap:8px;flex-wrap:wrap}
.stats b{background:rgba(255,253,248,.78);border:1px solid var(--line);padding:6px 10px;border-radius:999px;color:#455068;font-size:12px;font-weight:700;box-shadow:0 2px 8px rgba(16,25,44,.04)}
.card,.q{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.card{padding:20px;margin:14px 0}
.controls{position:relative;border-top:4px solid var(--blue)}
.row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
label{display:flex;flex:1;min-width:160px;flex-direction:column;gap:6px;color:#4f5a70;font-size:12px;font-weight:750;letter-spacing:.01em}
select,input,textarea{width:100%;border:1px solid #cfc9bd;border-radius:11px;background:#fff;color:var(--ink);font-size:16px;outline:none;transition:border-color .15s,box-shadow .15s}
select,input{min-height:46px;padding:10px 12px}
textarea{min-height:112px;padding:13px;resize:vertical;line-height:1.55}
select:focus,input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(49,85,198,.13)}
.hint{color:var(--muted);font-size:13px}
.status-note{margin:14px 0 2px;padding:11px 12px;border-radius:10px;background:#f7f5ef;border-left:3px solid var(--amber)}
details{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
summary{cursor:pointer;font-weight:700;color:#5a6477}
.quiz{display:flex;flex-direction:column;gap:13px}
.quiz>h2{padding:18px 4px 1px!important;color:var(--blue)!important;font:800 14px/1.2 ui-sans-serif,system-ui!important;letter-spacing:.06em;text-transform:uppercase}
.q{padding:18px;box-shadow:0 5px 20px rgba(28,34,48,.045)}
.q h3{margin:0 0 12px;font-family:Georgia,"Times New Roman",serif;font-size:18px;line-height:1.45;color:#20283a}
.meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:10px;color:var(--muted);font-size:11px}
.pill{border-radius:999px;background:var(--blue-soft);color:#2947aa;padding:3px 8px;font-size:11px;font-weight:750}
.opt{display:flex;gap:11px;align-items:flex-start;padding:11px 12px;border:1px solid #e2ded5;border-radius:11px;margin:7px 0;background:#fff;min-height:48px;font-size:14px;font-weight:500;transition:transform .12s,border-color .12s,background .12s}
.opt:hover{border-color:#aebbe8;background:#f7f9ff;transform:translateY(-1px)}
.opt input{flex:0 0 21px;width:21px;height:21px;min-height:0;margin:1px 0 0;accent-color:var(--blue)}
.sticky-bar{position:fixed;z-index:30;left:50%;bottom:10px;transform:translateX(-50%);display:flex;gap:10px;align-items:center;width:min(888px,calc(100% - 20px));padding:9px 10px calc(9px + env(safe-area-inset-bottom));background:rgba(255,253,248,.95);border:1px solid rgba(181,175,164,.8);border-radius:16px;box-shadow:0 16px 45px rgba(15,23,42,.2);backdrop-filter:blur(14px)}
#submitBtn{flex:1;min-height:48px;border:0;border-radius:11px;background:var(--blue);color:#fff;padding:11px 16px;font-weight:800;box-shadow:0 7px 16px rgba(49,85,198,.23);transition:transform .12s,background .12s}
#submitBtn:hover{background:#2747ac;transform:translateY(-1px)}
.ghost{min-height:42px;padding:9px 13px;border:1px solid #cfc9bd;border-radius:10px;background:#fff;color:#3d475a;font-size:13px;font-weight:700;transition:all .12s}
.ghost:hover{border-color:#8fa0d8;background:#f7f9ff}
.ghost.active{background:var(--navy);border-color:var(--navy);color:#fff}
.primary-choice:not(.active){border-color:var(--blue);color:var(--blue)}
#progress,#marksLive,#timer{white-space:nowrap;font-size:12px;color:#566177;font-weight:700}
.score{margin:7px 0;font:800 22px/1.25 Georgia,"Times New Roman",serif;color:var(--navy)}
.feedback{margin-top:10px;padding:16px;background:#f8f8f5;border:1px solid #dfdcd3;border-radius:12px;font-size:14px;line-height:1.65}
.feedback p{margin:8px 0}.feedback h3{margin:18px 0 7px;color:var(--navy);font:800 18px/1.25 Georgia,serif}.feedback h4{margin:15px 0 6px;color:var(--blue);font-size:15px}.feedback h5,.feedback h6{margin:12px 0 5px;font-size:14px}.feedback ul,.feedback ol{margin:7px 0;padding-left:23px}.feedback li{margin:5px 0}.feedback strong{color:var(--navy)}.feedback em{color:var(--blue)}.feedback hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.tbl{overflow-x:auto;margin:10px -5px;padding:0 5px}.feedback table{border-collapse:collapse;width:100%;min-width:450px;background:#fff;font-size:12px}.feedback th,.feedback td{border:1px solid #d8d4ca;padding:8px;text-align:left;vertical-align:top}.feedback th{background:var(--navy);color:#fff;white-space:nowrap}.feedback tr:nth-child(even) td{background:#f7f6f2}
.muted{color:var(--muted);font-size:13px}.correct{border-color:#4aa57e!important;background:#ebf8f1!important}.wrong{border-color:#d66b65!important;background:#fff0ef!important}.small{color:#586277;font-size:13px}code{background:#eceae5;border-radius:5px;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}
@media(max-width:620px){.brand>span:last-child{display:none}.hero{padding:38px 0 25px}.hero:after{font-size:110px;top:22px}.card{padding:15px}.q{padding:15px}.q h3{font-size:16px}.controls>.row:first-child{display:grid;grid-template-columns:1fr 1fr}.controls>.row:first-child button{padding:8px;font-size:12px}.sticky-bar{display:grid;grid-template-columns:1fr auto auto}.sticky-bar #submitBtn{grid-column:1/-1;grid-row:2}.opt{font-size:14px}.row label{min-width:145px}}
@media print{body{background:#fff}.topbar,.controls,.sticky-bar,.small{display:none!important}.wrap{max-width:none;padding:0}.hero{padding:0 0 20px}.q,.card{break-inside:avoid;box-shadow:none}.feedback{background:#fff}}