:root{color:#203142;background:#f5f7f6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{border:0}a{color:inherit}.login-page{align-items:stretch;display:grid;gap:24px;grid-template-columns:minmax(360px,520px) minmax(420px,1fr);min-height:100vh;padding:28px}.login-panel,.photo-board,.surface,.progress-card{background:#fff;border:1px solid #dfe7e4;border-radius:8px;box-shadow:0 18px 55px #1f314214}.login-panel{display:flex;flex-direction:column;justify-content:center;padding:38px}.brand-row{align-items:center;display:flex;gap:10px;font-size:15px;font-weight:800}.brand-mark{align-items:center;background:#0f6b62;border-radius:8px;color:#fff;display:inline-flex;height:34px;justify-content:center;width:34px}.login-copy{margin:72px 0 34px}.login-copy h1,.student-hero h1{color:#172837;font-size:42px;letter-spacing:0;line-height:1.08;margin:0}.login-copy p,.student-hero p,.section-heading p,.progress-card p,.muted{color:#6c7b86;line-height:1.5}.login-form{display:grid;gap:12px}.login-form label{color:#40515f;font-size:14px;font-weight:800}.input-row{align-items:center;border:1px solid #cbd8d4;border-radius:8px;display:flex;gap:10px;padding:0 14px}.input-row input{border:0;color:#172837;flex:1;font-size:18px;min-height:52px;outline:0}.login-form button,.topbar button{align-items:center;background:#0f6b62;border-radius:8px;color:#fff;cursor:pointer;display:inline-flex;font-weight:800;gap:8px;justify-content:center;min-height:48px;padding:0 18px}.form-error{color:#b42318;font-size:14px;margin:0}.demo-box{align-items:center;border-top:1px solid #e4ebe8;display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;padding-top:18px}.demo-box span{color:#6c7b86;font-size:13px;font-weight:800;margin-right:6px}.demo-box button{background:#edf5f2;border-radius:8px;color:#17453f;cursor:pointer;font-size:13px;font-weight:800;min-height:32px;padding:0 10px}.photo-board{background:linear-gradient(90deg,#f0b429 0 16%,#fff 16% 84%,#21a77f 84%);display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:36px}.sheet-header{align-items:center;color:#fff;display:flex;font-size:34px;font-weight:900;justify-content:space-between;margin-bottom:22px;text-shadow:0 2px 10px rgba(0,0,0,.18)}.sheet-header strong{font-size:18px}.mini-grid{background:#fffffff0;border:1px solid #b8c7c6;display:grid;grid-template-columns:repeat(4,1fr);min-height:620px}.mini-column{border-right:1px solid #b8c7c6;display:grid;grid-auto-rows:minmax(44px,auto)}.mini-column:last-child{border-right:0}.mini-column b{align-items:center;background:#f6f8f8;border-bottom:2px solid #b03d42;color:#284154;display:flex;justify-content:center;padding:12px;text-align:center}.mini-column span{border-bottom:1px solid #d8e0df;color:#60717d;font-size:13px;padding:12px}.dashboard{margin:0 auto;max-width:1440px;padding:24px}.topbar{align-items:center;display:flex;justify-content:space-between;margin-bottom:24px}.student-hero{align-items:center;background:#fff;border:1px solid #dfe7e4;border-radius:8px;display:flex;justify-content:space-between;margin-bottom:18px;padding:28px}.quiet-label{color:#0f6b62;display:block;font-size:13px;font-weight:900;margin-bottom:8px;text-transform:uppercase}.student-avatar{align-items:center;background:#ecf6f3;border-radius:8px;color:#0f6b62;display:flex;height:72px;justify-content:center;width:72px}.progress-grid{display:grid;gap:14px;grid-template-columns:repeat(4,1fr);margin-bottom:18px}.progress-card{border-top:5px solid var(--accent);display:flex;flex-direction:column;min-height:240px;padding:18px}.progress-top{align-items:center;display:flex;justify-content:space-between}.progress-top span{color:#536471;font-size:13px;font-weight:900;text-transform:uppercase}.progress-top b{color:var(--accent)}.bar{background:#edf2f1;border-radius:999px;height:8px;margin:14px 0 18px;overflow:hidden}.bar span{background:var(--accent);display:block;height:100%}.progress-card h3{color:#172837;font-size:20px;line-height:1.25;margin:0 0 8px}.progress-card p{margin:0 0 12px}.progress-card small{color:#71808a;display:block;font-size:13px;line-height:1.4}.study-link{align-items:center;border:1px solid #cbd8d4;border-radius:8px;display:inline-flex;font-weight:800;gap:6px;justify-content:center;margin-top:auto;min-height:38px;text-decoration:none}.main-grid{display:grid;gap:18px;grid-template-columns:minmax(320px,400px) 1fr}.left-column,.right-column{display:grid;gap:18px;min-width:0}.surface{padding:20px}.section-heading{align-items:flex-start;display:flex;gap:10px;margin-bottom:18px}.section-heading h2{color:#172837;font-size:20px;line-height:1.2;margin:0}.section-heading p{font-size:14px;margin:3px 0 0}.attendance-summary{align-items:baseline;display:flex;gap:8px;margin-bottom:12px}.attendance-summary strong{color:#0f6b62;font-size:38px}.attendance-summary span{color:#6c7b86;font-weight:800}.attendance-grid{display:grid;gap:8px}.week-row{align-items:center;display:grid;gap:8px;grid-template-columns:78px 1fr}.week-row b{color:#40515f;font-size:13px}.week-row div{display:grid;gap:5px;grid-template-columns:repeat(5,1fr)}.day{align-items:center;background:#f2f5f4;border-radius:6px;color:#93a0a8;display:flex;font-size:12px;font-weight:900;height:28px;justify-content:center}.day.active{background:#dff3ed;color:#0f6b62}.muted{font-size:13px;margin-bottom:0}.materials-list{display:grid;gap:8px}.materials-list a{align-items:center;border:1px solid #dfe7e4;border-radius:8px;display:grid;gap:4px 12px;grid-template-columns:56px 1fr 20px;min-height:58px;padding:10px 12px;text-decoration:none}.materials-list span{color:#0f6b62;font-size:12px;font-weight:900}.materials-list b{color:#263a49;font-size:14px}.tabs{align-items:center;background:#fff;border:1px solid #dfe7e4;border-radius:8px;display:flex;gap:6px;padding:6px}.tabs button{background:transparent;border-radius:6px;color:#596b78;cursor:pointer;flex:1;font-weight:900;min-height:38px}.tabs button.active{background:#0f6b62;color:#fff}.matrix-section{overflow:hidden}.matrix{display:grid;gap:14px}.level-block{border:1px solid #dfe7e4;border-radius:8px;overflow:hidden}.level-block h3{background:#f5f8f7;color:#334956;font-size:15px;margin:0;padding:12px 14px}.chapter-row{border-top:1px solid #dfe7e4;display:grid;gap:12px;grid-template-columns:104px 1fr;padding:12px 14px}.chapter-row strong{color:#415461;font-size:14px}.chapter-row div{display:flex;flex-wrap:wrap;gap:8px}.lesson-chip{align-items:center;background:#f4f6f6;border:1px solid #dfe7e4;border-radius:8px;color:#5c6c77;display:inline-flex;font-size:13px;font-weight:800;gap:5px;min-height:32px;padding:6px 9px}.lesson-chip.done{background:#e5f5ef;border-color:#b9dfd0;color:#0f6b62}.lesson-chip.current{background:#fff4e1;border-color:#f0c269;color:#8a5a00}@media(max-width:1040px){.login-page,.main-grid,.progress-grid{grid-template-columns:1fr}.photo-board{min-height:620px}}@media(max-width:720px){.login-page,.dashboard{padding:14px}.login-panel,.student-hero,.surface{padding:18px}.login-copy{margin:46px 0 28px}.login-copy h1,.student-hero h1{font-size:30px}.student-hero{align-items:flex-start}.student-avatar{display:none}.mini-grid,.chapter-row,.week-row{grid-template-columns:1fr}}