:root{--bg:#eef5fb;--card:#fff;--ink:#17324d;--muted:#62778c;--blue:#2366a6;--line:#dce7f0;--shadow:0 10px 30px rgba(32,65,95,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#f7fbff 0,#eef5fb 100%);color:var(--ink)}a{text-decoration:none;color:inherit}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.logo{font-weight:800;font-size:18px}.home{color:var(--blue);font-weight:700;font-size:14px}.container{max-width:1180px;margin:0 auto;padding:34px 22px 60px}.hero{background:linear-gradient(135deg,#e7f2fb,#f7fbff);border:1px solid var(--line);border-radius:24px;padding:34px;margin-bottom:22px;box-shadow:var(--shadow)}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--blue)}h1{font-size:34px;margin:9px 0 8px}.hero p{margin:0;color:var(--muted);line-height:1.6}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);transition:.18s}.card:hover,.week:hover,.subject:hover,.file:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(32,65,95,.12)}.icon{font-size:28px}.card h2{margin:10px 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.pagehead{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-bottom:22px}.pagehead h1{text-align:center;margin:0;font-size:28px}.back{color:var(--blue);font-weight:700;font-size:14px}.agecard{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow);margin-bottom:24px}.age-icon{font-size:34px}.agecard h2{margin:0 0 4px}.agecard p{margin:0;color:var(--muted)}.section-title{display:flex;justify-content:space-between;align-items:center;margin:20px 0 12px}.section-title h2{margin:0;font-size:20px}.section-title 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var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.lessonbox{margin-bottom:18px}.bigicon{font-size:28px}.lessonbox h2{margin:8px 0}.topic{color:var(--blue);font-weight:700}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.detail-card,.file{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.detail-card h3{margin:0 0 9px}.detail-card p{margin:0;color:var(--muted);line-height:1.6;font-size:14px}.pill,.btn{display:inline-block;margin-top:13px;padding:9px 12px;border-radius:10px;background:#eef5fb;color:var(--blue);font-size:12px;font-weight:800}.btn.primary{background:var(--blue);color:#fff}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:18px}.file{overflow:hidden}.thumb{width:100%;height:150px;object-fit:cover;border-radius:12px;background:#f1f5f8}.file h3{font-size:14px;margin:11px 0 5px;line-height:1.35}.file p{margin:0;color:var(--muted);font-size:12px}.file-actions{display:flex;gap:7px;flex-wrap:wrap}.viewer{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.viewer iframe{width:100%;height:760px;border:0;border-radius:12px;background:#f5f7fa}.viewer img{max-width:100%;display:block;margin:auto;border-radius:12px}.viewer video{width:100%;max-height:700px;border-radius:12px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:15px 0}.search{flex:1;min-width:220px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}.select{padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}.stats{display:flex;gap:10px;flex-wrap:wrap}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--muted);font-size:12px}.stat b{color:var(--ink)}.empty{padding:28px;background:#fff;border:1px dashed 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nav{display:flex;gap:18px;align-items:center}.logout{font-size:13px;color:#62778c;font-weight:700}.quickstats{display:flex;gap:10px;flex-wrap:wrap;margin:-8px 0 22px}.notice,.privacy{margin-top:18px;padding:14px 16px;background:#f7fbff;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:12px;line-height:1.55}.lesson-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.filetype{display:grid;place-items:center;font-size:46px}.year-grid{display:grid;gap:9px;margin-top:14px}.year-row{display:grid;grid-template-columns:100px 1fr;gap:4px 14px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.year-row b{color:var(--blue)}.year-row small{grid-column:2;color:var(--muted);line-height:1.45}.formcard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.formcard h2{margin-top:0}.formgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.formgrid input,.formgrid select{padding:12px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;min-width:0}.tablewrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:13px}th{background:#f7fbff;color:var(--blue)}.tablebtn{border:0;background:#eef5fb;color:var(--blue);padding:7px 9px;border-radius:8px;font-weight:700;cursor:pointer}.tablebtn.danger{background:#fff0f0;color:#a33}.emptycell{text-align:center;color:var(--muted);padding:28px}.loginwrap{min-height:100vh;display:grid;place-items:center;padding:20px}.loginbox{max-width:520px;width:100%;background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow);text-align:center}.loginbox .logo{margin-bottom:18px}.loginbox .icon.big{font-size:42px}.loginbox p{color:var(--muted);line-height:1.6}.wide{width:100%;text-align:center}.loginbox .privacy{text-align:left}.btn{border:0;cursor:pointer}.btn.primary{background:var(--blue);color:#fff}@media(max-width:850px){.formgrid{grid-template-columns:repeat(2,1fr)}.year-row{grid-template-columns:80px 1fr}.year-row small{grid-column:2}}@media(max-width:620px){.formgrid{grid-template-columns:1fr}.year-row{grid-template-columns:1fr}.year-row small{grid-column:1}nav{gap:9px}.logout{display:none}}
.checkline,.statuscheck{display:flex;align-items:center;gap:8px;font-weight:600}.checkline input,.statuscheck input{width:18px;height:18px}.statuscheck{font-size:13px;white-space:nowrap}