:root{--g:#0e5c45;--g2:#18775d;--n:#10243b;--gold:#c9a24b;--p:#fbf7ee;--line:#e6dec9;--muted:#6b7b82;--ok:#1f7a4d;--bad:#b3402f;--shadow:0 12px 30px rgba(16,36,59,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:var(--p);color:#172b38;line-height:1.7}.hidden{display:none!important}.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,var(--g),var(--n))}.box,.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.card{box-shadow:var(--shadow)}.box{width:min(440px,100%);box-shadow:0 22px 60px #0003}.title{text-align:center}.title h1{margin:0;color:var(--n);font-size:2rem}.muted{color:var(--muted)}.tiny{font-size:.88rem}.role-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.role-btn,.btn{appearance:none;border:1px solid var(--line);background:#fff;border-radius:13px;padding:12px 14px;font:inherit;font-weight:700;cursor:pointer;touch-action:manipulation;transition:.18s ease}.role-btn:active,.btn:active{transform:scale(.985)}.role-btn.active,.btn.main{background:var(--g);color:#fff;border-color:var(--g)}.btn.gold{background:var(--gold);color:var(--n);border-color:var(--gold)}.btn.outline{color:var(--g);border-color:var(--g);background:#fff}.full{width:100%}label{display:block;font-weight:700;margin:12px 0 6px}input,select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:13px;font:inherit;background:#fff}.msg{margin-top:12px;padding:11px;border-radius:10px}.msg.bad{background:#fbe9e5;color:var(--bad)}.msg.ok{background:#e7f4ec;color:var(--ok)}
header{background:linear-gradient(135deg,var(--g),var(--n));color:#fff;padding:14px 16px;box-shadow:0 5px 18px rgba(16,36,59,.18)}.wrap{max-width:1120px;margin:auto}.head{display:flex;justify-content:space-between;align-items:center;gap:12px}.head>b{font-size:1.2rem}.layout{max-width:1120px;margin:auto;padding:18px}.nav{display:flex;gap:8px;overflow:auto;margin-bottom:18px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.nav .btn{white-space:nowrap;flex:1;min-width:max-content}.view{display:none}.view.show{display:block}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stat{text-align:center;min-height:150px;display:flex;flex-direction:column;justify-content:center}.stat b{display:block;font-size:2rem;color:var(--g);line-height:1.15}.stat-label{font-weight:700;margin-top:6px}h2,h3{color:var(--n)}h2{margin-top:8px}.support-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #eee}.support-row:last-child{border-bottom:0}.empty-state{padding:18px;text-align:center;color:var(--muted);background:#faf8f2;border-radius:12px}.tag,.mini-tag{display:inline-block;padding:5px 10px;border-radius:999px;font-size:.88rem;font-weight:700}.tag{margin-top:10px;background:#fbe9e5;color:var(--bad)}.tag.ok,.mini-tag.good{background:#e7f4ec;color:var(--ok)}.mini-tag.warn{background:#fff1dd;color:#9a5d00}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid #eee;text-align:right;vertical-align:middle}
#studentHome .hero{padding:24px}#studentHome .grid{margin-top:16px}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--g),var(--n));color:#fff;border-radius:22px;padding:22px;box-shadow:0 14px 30px rgba(16,36,59,.18)}.hero:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.07);left:-45px;top:-55px}.hero h2{color:#fff;margin:0 0 4px;font-size:1.8rem}.lesson-card{cursor:pointer;border-right:5px solid var(--g);transition:.18s ease}.lesson-card:active{transform:scale(.995)}.lesson-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.lesson-head h3{margin:0}.lesson-status{font-size:.82rem;background:#f2f6f4;color:var(--g);padding:4px 8px;border-radius:999px;white-space:nowrap}.lesson-mastery,.lesson-test-line{display:flex;justify-content:space-between;align-items:center;margin-top:13px}.lesson-mastery b,.lesson-test-line b{color:var(--g);font-size:1.15rem}.lesson-test-line{padding-top:9px;border-top:1px dashed var(--line)}.progress-line{height:9px;background:#eee7d8;border-radius:999px;overflow:hidden;margin-top:8px}.progress-line i{display:block;height:100%;background:linear-gradient(90deg,var(--g),var(--gold));border-radius:999px}.progress-item{padding:14px 0;border-bottom:1px solid #eee}.progress-item:last-child{border-bottom:0}.progress-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.progress-score{margin-top:6px;font-weight:700;color:var(--g)}.rule{background:#eaf3ef;border-right:4px solid var(--g);padding:12px;border-radius:10px}.example{background:#fff8e7;padding:12px;border-radius:10px;margin-top:10px}.trap{background:#fbe9e5;padding:12px;border-radius:10px;margin-top:10px}.lesson-theory li{margin-bottom:6px}.opt{border:2px solid var(--line);padding:12px;border-radius:12px;margin:9px 0;cursor:pointer;touch-action:manipulation;transition:.15s ease}.opt:active{transform:scale(.995)}.opt.good{border-color:var(--ok);background:#e7f4ec}.opt.wrong{border-color:var(--bad);background:#fbe9e5}.action{margin-top:12px;padding:15px;border-radius:14px;background:#f7f4ea}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.loading{opacity:.6;pointer-events:none}.post-test-intro{margin-top:12px;padding:13px;border-radius:12px;background:#eef6f2;border-right:4px solid var(--g)}
.test-note{padding:12px 14px;background:#f7f4ea;border-radius:12px;margin-bottom:16px;color:var(--n)}.test-question{padding:16px 0;border-bottom:1px solid #eee}.test-question:last-of-type{border-bottom:0}.test-opt.selected{border-color:var(--g);background:#e7f4ec;box-shadow:0 0 0 1px var(--g) inset}.test-result{text-align:center}.test-result.result-pass{border:2px solid #8bc6a7;background:#f6fcf8}.test-result.result-fail{border:2px solid #e0a095;background:#fff8f6}.result-label{font-size:1.35rem;font-weight:800;color:var(--n)}.result-score{font-size:3rem;font-weight:900;color:var(--g);line-height:1.2;margin:8px 0}.result-fail .result-score{color:var(--bad)}.test-history{display:grid;gap:8px}.history-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border-radius:12px;background:#faf8f2}.history-score{font-weight:800}.history-score.passed{color:var(--ok)}.history-score.failed{color:var(--bad)}
.site-footer{margin-top:42px;background:var(--n);color:#fff;padding:34px 18px 38px;text-align:center}.site-footer-inner{max-width:1120px;margin:auto}.footer-designer{color:var(--gold);font-weight:800;font-size:1.18rem;margin-bottom:6px}.footer-channel{display:inline-block;color:#fff;text-decoration:none;font-size:1.03rem;padding:4px 8px;border-radius:8px;transition:.18s ease}.footer-channel:hover,.footer-channel:focus{color:var(--gold);text-decoration:underline}.footer-channel:active{transform:scale(.985)}
@media(max-width:700px){body{font-size:17px}.layout{padding:12px}.grid{grid-template-columns:1fr}.head{align-items:center;display:grid;grid-template-columns:1fr auto;gap:8px}.head>b{grid-column:1/-1;font-size:1.35rem}.head>div{display:flex;align-items:center;justify-content:space-between;gap:8px;grid-column:1/-1}.head #who{font-size:.92rem;opacity:.95}.head .btn{padding:9px 12px}.nav{position:sticky;top:8px;z-index:5;margin-bottom:16px}.nav .btn{padding:11px 16px}.stat{min-height:135px}.stat b{font-size:2.15rem}.support-row{align-items:flex-start}.box{padding:17px}.hero{border-radius:20px}.hero h2{font-size:1.65rem}.lesson-head{align-items:center}th,td{font-size:.92rem;padding:9px 7px}.history-row{align-items:flex-start}.toolbar .btn{flex:1}.site-footer{margin-top:32px;padding:30px 14px 34px}.footer-designer{font-size:1.08rem}.footer-channel{font-size:1rem}}