:root{--ink:#102c27;--muted:#65736f;--green:#0d6b58;--green2:#095144;--mint:#e8f5f0;--line:#dfe7e4;--bg:#f7faf9;--white:#fff;--shadow:0 14px 45px rgba(20,55,48,.09)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:inherit;text-decoration:none}.top{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{font-weight:800;display:flex;gap:10px;align-items:center}.brand span{display:grid;place-items:center;width:36px;height:36px;background:var(--green);color:#fff;border-radius:12px}.top nav{display:flex;gap:22px;font-size:14px;font-weight:650}.menu-btn{display:none}.hero{max-width:1180px;margin:0 auto;padding:76px 24px 54px;display:grid;grid-template-columns:1.35fr .75fr;gap:54px;align-items:center}.hero h1{font-size:clamp(42px,5vw,68px);line-height:1.03;letter-spacing:-2.6px;margin:12px 0 22px}.hero p{font-size:18px;color:var(--muted);max-width:720px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:12px;font-weight:800;color:var(--green)}.hero-actions{display:flex;gap:12px;margin:28px 0}.btn{border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 16px;font-weight:750;cursor:pointer;display:inline-block}.btn.primary{background:var(--green);border-color:var(--green);color:#fff}.btn.ghost{background:transparent}.exam-card{background:var(--green2);color:#fff;border-radius:26px;padding:34px;box-shadow:var(--shadow)}.exam-card span{opacity:.78}.exam-card strong{font-size:28px;display:block;margin:8px 0 18px}.exam-card ul{padding-left:20px}.exam-card p{color:#d9eee8;font-size:14px}.stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}.stats b{font-size:25px}.stats small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-top:2px}.section{max-width:1180px;margin:0 auto;padding:54px 24px}.section.narrow,.article{max-width:850px}.section-head h2,.section h1{font-size:36px;line-height:1.12;margin:8px 0 24px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.guide-list a,.question-list article,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 24px rgba(20,55,48,.04)}.card h3{margin-top:0}.card p,.guide-list p{color:var(--muted)}.card span{font-weight:700;color:var(--green)}.exam-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.exam-list a{background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:13px;display:flex;justify-content:space-between}.exam-list span{color:var(--muted)}.filters{display:grid;grid-template-columns:1fr 220px auto;gap:10px;margin-bottom:22px}.filters input,.filters select,label input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff}.question-list{display:grid;gap:14px}.question-list article h3{font-size:18px}.question-list article img{width:170px;aspect-ratio:1;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:12px}.question-list small{color:var(--green);font-weight:700}.pagination{display:flex;justify-content:space-between;align-items:center;margin:24px 0}.pagination a{font-weight:700;color:var(--green)}.sign-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.sign-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.sign-grid img{width:100%;height:auto}.sign-grid small{color:var(--muted);font-size:11px}.sign-grid h3{font-size:14px;line-height:1.3}.guide-list{display:grid;gap:14px}.article{margin:0 auto;padding:70px 24px}.article h1{font-size:46px;line-height:1.08}.article .lead{font-size:20px;color:var(--muted)}.article p{font-size:17px}.article h2{margin-top:38px}.quiz-shell{max-width:820px;margin:auto;padding:54px 24px}.quiz-top{display:flex;justify-content:space-between;align-items:center}.timer{font-weight:800;background:var(--ink);color:#fff;padding:10px 14px;border-radius:12px}.quiz-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.quiz-card img{width:230px;display:block;margin:15px auto;border:1px solid var(--line);border-radius:16px}.answers{display:grid;gap:10px;margin-top:22px}.answers button{padding:15px;text-align:left;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit;cursor:pointer}.answers button:hover{border-color:var(--green);background:var(--mint)}.feedback{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}footer{max-width:1180px;margin:60px auto 0;border-top:1px solid var(--line);padding:34px 24px 55px;display:flex;justify-content:space-between;color:var(--muted)}.install-wrap,.login{min-height:100vh;display:grid;place-items:center;padding:24px}.install-wrap .panel,.login .panel{width:min(680px,100%)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label,.login label{display:grid;gap:6px;font-size:13px;font-weight:700}.checks{background:var(--mint);border-radius:12px;padding:14px;margin:18px 0}.notice{padding:12px 14px;border-radius:10px;margin:10px 0}.notice.error{background:#fff0ee;color:#9c2d23}.notice.success{background:var(--mint)}.admin-body{background:#f2f6f5}.admin-top{height:64px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.link-btn{border:0;background:none;cursor:pointer;color:var(--green);font-weight:700}.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}.admin-layout aside{background:#fff;border-right:1px solid var(--line);padding:20px;display:grid;align-content:start;gap:6px}.admin-layout aside a{padding:10px 12px;border-radius:10px}.admin-layout aside a.active{background:var(--mint);color:var(--green);font-weight:700}.admin-main{padding:32px;min-width:0}.admin-stats b{background:#fff;border:1px solid var(--line);padding:20px;border-radius:15px;min-width:160px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}th{background:#f8faf9}.mini-sign{width:44px;height:44px;object-fit:contain}.bulk{display:flex;gap:8px;margin:12px 0}.bulk select{padding:10px;border:1px solid var(--line);border-radius:9px}
@media(max-width:900px){.hero{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr 1fr}.sign-grid{grid-template-columns:repeat(3,1fr)}.top nav{display:none;position:absolute;left:16px;right:16px;top:64px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column}.top nav.open{display:flex}.menu-btn{display:block}.admin-layout{grid-template-columns:1fr}.admin-layout aside{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px}.admin-main{padding:18px}.form-grid{grid-template-columns:1fr}}
@media(max-width:600px){.hero{padding-top:42px}.hero h1{font-size:42px;letter-spacing:-1.8px}.card-grid,.exam-list{grid-template-columns:1fr}.sign-grid{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr}.hero-actions{flex-direction:column}.stats{gap:15px}.article h1{font-size:36px}footer{flex-direction:column;gap:18px}.quiz-card{padding:20px}}
@media(max-width:600px){.admin-main .table-wrap table{min-width:860px}.admin-main .table-wrap{overscroll-behavior-x:contain}.admin-main td,.admin-main th{font-size:13px;white-space:normal}.admin-main h1{font-size:30px}}