:root{--blue:#2e3192;--blue-d:#1f2270;--red:#e0202d;--red-d:#b81722;--ok:#1e9e54;--bg:#eef0fa;--ink:#1b1c3a}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh;display:flex;flex-direction:column}
.top{background:#fff;border-bottom:6px solid var(--red);display:flex;align-items:center;gap:16px;padding:10px 20px;box-shadow:0 2px 8px rgba(46,49,146,.15)}
.logo{height:72px;width:auto}
.top h1{margin:0;font-size:clamp(1.1rem,3.5vw,1.8rem);color:var(--blue)}
main{flex:1;width:100%;max-width:720px;margin:24px auto;padding:0 14px}
.card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 6px 20px rgba(46,49,146,.15);border-top:6px solid var(--blue)}
h2{margin-top:0;color:var(--blue)}
.hidden{display:none!important}
.field{display:block;margin-bottom:18px}
.field>span{display:block;font-weight:600;margin-bottom:6px;color:var(--blue-d)}
small{font-weight:400;color:#666}
input[type=number],#answer{width:100%;padding:12px;font-size:1.1rem;border:2px solid #c5c8ea;border-radius:10px}
input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,49,146,.2)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.chips button{border:2px solid var(--blue);background:#fff;color:var(--blue);border-radius:20px;padding:5px 14px;cursor:pointer;font-weight:600}
.chips button:hover{background:var(--blue);color:#fff}
.tables{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.tables label{display:flex;align-items:center;justify-content:center;gap:6px;border:2px solid #c5c8ea;border-radius:10px;padding:10px 4px;cursor:pointer;font-weight:700;user-select:none}
.tables input{accent-color:var(--red);width:16px;height:16px}
.tables label:has(input:checked){background:var(--blue);border-color:var(--blue);color:#fff}
.link{background:none;border:0;color:var(--blue);text-decoration:underline;cursor:pointer;margin-top:8px;padding:0}
.warn{background:#fff4f4;border-left:5px solid var(--red);padding:10px 12px;border-radius:6px;font-size:.95rem}
.error{color:var(--red-d);font-weight:600;min-height:1.2em}
.btn{border:0;border-radius:10px;padding:13px 26px;font-size:1.1rem;font-weight:700;cursor:pointer;color:#fff}
.btn.primary{background:var(--red)}
.btn.primary:hover{background:var(--red-d)}
.btn:disabled{opacity:.5;cursor:not-allowed}
#startBtn,#againBtn{width:100%}
.meta{display:flex;justify-content:space-between;font-weight:600;color:var(--blue-d);margin-bottom:8px}
.bar{height:12px;background:#dfe1f5;border-radius:8px;overflow:hidden}
#timeBar{height:100%;width:100%;background:var(--blue);transition:background .3s}
#timeBar.low{background:var(--red)}
.clock{text-align:center;font-size:1.4rem;font-weight:700;color:var(--blue);margin:10px 0 0}
.clock.low{color:var(--red)}
.question{text-align:center;font-size:clamp(2.6rem,12vw,4.5rem);font-weight:800;color:var(--blue);margin:14px 0}
#answerForm{display:flex;gap:10px}
#answer{font-size:2rem;text-align:center;font-weight:700}
.feedback{min-height:70px;margin-top:16px;text-align:center;font-size:1.3rem;font-weight:700;border-radius:12px;padding:12px}
.feedback.ok{background:#e6f7ee;color:var(--ok)}
.feedback.bad{background:#fdecee;color:var(--red-d)}
.shake{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.final{text-align:center;font-size:3rem;font-weight:800;color:var(--blue)}
.msg{text-align:center;font-size:1.15rem}
.tablewrap{max-height:340px;overflow:auto;margin:14px 0;border:1px solid #dfe1f5;border-radius:10px}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th{position:sticky;top:0;background:var(--blue);color:#fff}
th,td{padding:8px;text-align:center}
tr:nth-child(even) td{background:#f5f6fd}
td.ok{color:var(--ok);font-weight:700}
td.bad{color:var(--red-d);font-weight:700}
footer{text-align:center;padding:14px;color:#fff;background:var(--blue);font-size:.9rem}
@media(max-width:480px){.tables{grid-template-columns:repeat(4,1fr)}.logo{height:56px}#answerForm{flex-direction:column}}