:root{--ink:#1d2939;--muted:#667085;--line:#e6eaf0;--paper:#f6f8fb;--white:#fff;--teal:#0f766e;--teal2:#115e59;--pale:#e8f5f3;--red:#b42318;--green:#067647}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.top{display:flex;align-items:center;gap:24px;padding:15px max(20px,calc((100vw - 1120px)/2));background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{text-decoration:none;color:var(--teal);font-weight:850;font-size:1.1rem;white-space:nowrap}.brand span{color:var(--ink);font-weight:650}.top nav{display:flex;gap:17px;margin-left:auto;flex-wrap:wrap}.top nav a,.section-head a{color:var(--teal);text-decoration:none;font-weight:650;font-size:.92rem}.logout{margin:0}.linkbtn{border:0;background:none;color:var(--muted);cursor:pointer;font:inherit}.wrap{max-width:1120px;margin:34px auto;padding:0 20px;min-height:75vh}footer{text-align:center;color:var(--muted);font-size:.8rem;padding:28px 16px}.hero{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(120deg,#e6f5f2,#f2f8ff);border:1px solid #d6eae6;border-radius:22px;padding:34px;margin-bottom:22px}.hero h1{font-size:clamp(2rem,4vw,3rem);line-height:1.08;max-width:660px;margin:8px 0 12px;letter-spacing:-.04em}.hero p:not(.eyebrow){color:#475467;max-width:610px}.hero-mark{font-size:5rem;color:#0f766e;background:#ffffffa8;border-radius:28px;width:130px;height:130px;display:grid;place-items:center;flex-shrink:0}.eyebrow{font-size:.75rem;letter-spacing:.13em;font-weight:800;color:var(--teal);margin:0}.button,button.primary{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;background:var(--teal);color:#fff;padding:12px 17px;font-weight:750;text-decoration:none;cursor:pointer;font-size:.95rem}.button:hover,button.primary:hover{background:var(--teal2)}.secondary{background:#fff;color:var(--teal);border:1px solid #b9d8d3}.full{width:100%;margin-top:8px}.grid{display:grid;gap:18px;margin-bottom:20px}.stats-cards{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:1.1fr .9fr}.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:23px;box-shadow:0 2px 5px #10182808;margin-bottom:20px}.stats-cards .card{margin:0}.stats-cards strong{display:block;font-size:2.2rem;line-height:1.25;margin:10px 0 4px;letter-spacing:-.04em}.muted,small{color:var(--muted)}small{font-size:.82rem}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.section-head h2,.card h2{font-size:1.12rem;margin:0 0 14px}.section-head h2{margin-bottom:0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-size:.77rem;text-transform:uppercase;letter-spacing:.04em}td a{color:var(--teal);font-weight:650;text-decoration:none}.weak-list{list-style:none;margin:0;padding:0}.weak-list li{padding:12px 0;border-bottom:1px solid var(--line)}.weak-list li:last-child{border:0}.weak-list span,.weak-list small{display:block}.bar-row{margin:17px 0}.bar-label{display:flex;justify-content:space-between;gap:15px;font-size:.9rem;margin-bottom:7px}.bar{height:8px;background:#eef1f5;border-radius:99px;overflow:hidden}.bar span,.progress span,.result-track span{display:block;height:100%;background:var(--teal);border-radius:99px}.page-heading{margin:12px 0 25px}.page-heading h1{font-size:2.2rem;letter-spacing:-.035em;margin:5px 0}.form-card{max-width:680px}.form-card form,.login form{display:grid;gap:16px}.form-card label,.login label{font-weight:650;display:grid;gap:7px}.form-card select,.login input{width:100%;padding:12px;border:1px solid #cfd6df;border-radius:9px;background:#fff;color:var(--ink);font:inherit}.info{padding:13px 15px;background:#f0f7ff;border-radius:9px;color:#344054;font-size:.9rem}.login{max-width:440px;margin:45px auto;padding:32px}.login h1{margin:5px 0;font-size:1.8rem}.symbol{font-size:2rem;color:var(--teal)}.small{font-size:.82rem}.quiz-meta{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-weight:650;font-size:.9rem;margin:10px 0}.progress{height:7px;background:#e8edf2;border-radius:99px;margin-bottom:20px;overflow:hidden}.question-card{padding:clamp(22px,4vw,38px)}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags span{background:#eef7f5;color:var(--teal2);padding:4px 9px;border-radius:99px;font-size:.78rem;font-weight:700}.question-card h1{font-size:clamp(1.4rem,3vw,2rem);line-height:1.25;letter-spacing:-.025em;margin:20px 0 6px}.choice{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px;margin:11px 0;cursor:pointer;transition:border .1s}.choice:has(input:checked){border-color:var(--teal);background:#f0faf8}.choice input{accent-color:var(--teal);width:18px;height:18px;flex-shrink:0}.choice-letter{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:#f0f2f5;font-weight:800;font-size:.85rem;flex-shrink:0}.question-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}.result-hero{text-align:center;padding:35px}.result-hero h1{font-size:3rem;margin:5px}.result-track{max-width:500px;height:12px;background:#edf0f4;border-radius:99px;overflow:hidden;margin:22px auto}.actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.correction{padding:22px}.correction h3{font-size:1.05rem;margin:14px 0}.correction-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.status{font-weight:800;font-size:.8rem;padding:4px 9px;border-radius:7px}.status.good{color:var(--green);background:#ecfdf3}.status.bad{color:var(--red);background:#fef3f2}.answer-list{list-style:none;padding:0;display:grid;gap:7px}.answer-list li{padding:9px 12px;border-radius:8px;background:#f8fafc}.answer-list .is-correct{background:#ecfdf3;color:#05603a}.answer-list .is-wrong{background:#fef3f2;color:#b42318}.explanation{border-left:3px solid var(--teal);padding:10px 14px;background:#f6fbfa;border-radius:0 8px 8px 0;margin-top:14px}.explanation p{margin:5px 0 10px}.explanation small{display:block}.score-pill{background:var(--pale);color:var(--teal2);font-weight:800;border-radius:7px;padding:4px 8px}.flash{padding:12px 15px;border-radius:9px;margin-bottom:15px}.flash.error{background:#fef3f2;color:#b42318}.flash.success{background:#ecfdf3;color:#067647}
@media(max-width:760px){.top{flex-wrap:wrap;gap:10px;padding:12px 16px}.top nav{order:3;width:100%;margin:0;gap:13px;overflow-x:auto;flex-wrap:nowrap}.top nav a{white-space:nowrap;font-size:.85rem}.logout{margin-left:auto}.wrap{margin:20px auto;padding:0 13px}.hero{padding:24px 20px}.hero-mark{display:none}.stats-cards{grid-template-columns:1fr 1fr}.stats-cards .card:last-child{grid-column:span 2}.two{grid-template-columns:1fr}.card{padding:18px}.question-footer{align-items:stretch;flex-direction:column}.question-footer button{width:100%}.quiz-meta{font-size:.8rem}.result-hero h1{font-size:2.5rem}.page-heading h1{font-size:1.8rem}}

.user-chip{font-size:.8rem;color:var(--teal);background:var(--pale);border-radius:99px;padding:5px 9px;font-weight:750;white-space:nowrap}.login a{color:var(--teal);font-weight:650}

.admin-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:end}.admin-form label{display:grid;gap:6px;font-weight:650;font-size:.9rem}.admin-form input,.admin-form select,.reset-form input{width:100%;padding:10px;border:1px solid #cfd6df;border-radius:8px;background:#fff;font:inherit;color:var(--ink)}.admin-form button{min-height:43px}.pending-card{border:1px solid var(--line);border-radius:12px;padding:17px;margin:14px 0}.pending-card h3{font-size:1.02rem}.pending-card li{padding:4px 0}.correct-label{color:var(--green)}.actions.left{justify-content:flex-start;margin-top:14px}.actions form,.admin-actions form{margin:0}.danger{border:1px solid #f3c1bd;background:#fff5f4;color:#b42318;border-radius:9px;padding:10px 14px;font-weight:700;cursor:pointer}.admin-actions{display:grid;gap:7px;min-width:200px}.reset-form{display:flex;gap:5px}.reset-form input{min-width:120px;font-size:.8rem}.smallbtn{padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer;font-size:.8rem;white-space:nowrap}.flash.success{background:#ecfdf3;color:#067647}
@media(max-width:760px){.admin-form{grid-template-columns:1fr}.reset-form{flex-direction:column}.admin-actions{min-width:160px}}