:root{--primary:#167d72;--primary2:#49b7a5;--bg:#f4fbf9;--card:#fff;--text:#163b37;--muted:#6c8782;--line:#d9ebe7;--danger:#c94c4c;--shadow:0 10px 30px rgba(22,125,114,.10)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}.app{display:flex;min-height:100vh}.sidebar{width:255px;background:#fff;border-right:1px solid var(--line);padding:24px 16px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:10px;align-items:center;padding:8px 10px 22px;font-weight:800;font-size:19px}.brand span{font-size:12px;color:var(--muted)}.brand.big{font-size:22px}.logo{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;color:white;font-weight:900}.nav,.sidebar nav{display:flex;flex-direction:column}.sidebar nav a{padding:12px 14px;border-radius:12px;margin:3px 0;color:#4b6a65}.sidebar nav a.active,.sidebar nav a:hover{background:#e8f7f3;color:var(--primary);font-weight:700}.userbox{position:absolute;bottom:20px;left:16px;right:16px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#f7fcfb;font-size:13px}.userbox b{display:block}.userbox span{color:var(--muted);font-size:11px}.userbox a{display:block;margin-top:8px;color:var(--danger)}.main{flex:1;padding:28px;max-width:1500px;margin:auto;width:100%}.top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}.top h1{margin:0;font-size:28px}.top p{margin:5px 0 0;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:#e8f7f3;color:var(--primary);font-size:12px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid2{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);margin-bottom:18px}.stat{padding:18px}.stat .num{font-size:30px;font-weight:800;margin:8px 0}.muted{color:var(--muted)}.small{font-size:12px}.card h2{font-size:18px;margin-top:0}.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.full{grid-column:1/-1}label{font-size:13px;font-weight:700;display:block;margin:12px 0 7px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:#fff;color:var(--text);outline:none}textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary2);box-shadow:0 0 0 3px #e4f6f2}.btn{border:0;border-radius:11px;padding:10px 14px;background:var(--primary);color:#fff;font-weight:700;display:inline-block}.btn.secondary{background:#eaf6f3;color:var(--primary)}.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:15px;flex-wrap:wrap}.mode{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.mode label{border:1px solid var(--line);padding:13px;border-radius:12px;cursor:pointer;background:#fff;margin:0}.mode input{width:auto;margin-right:7px}.notice{padding:13px;border-radius:12px;background:#f0faf7;border:1px solid #d5eee8;font-size:13px;margin-bottom:14px}.alert{padding:13px;border-radius:12px;background:#fff0f0;color:var(--danger);margin:12px 0}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}th{color:var(--muted);font-weight:700}.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.filters>*{flex:1;min-width:130px}.login-card{width:min(440px,92vw);background:#fff;border:1px solid var(--line);padding:30px;border-radius:20px;box-shadow:var(--shadow)}.center{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card input{margin-bottom:6px}.login-card .btn{margin-top:10px}hr{border:0;border-top:1px solid var(--line);margin:22px 0}
@media(max-width:1000px){.sidebar{width:210px}.grid{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}}
@media(max-width:700px){.app{display:block}.sidebar{position:relative;width:100%;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:12px}.sidebar nav{flex-direction:row;overflow:auto}.sidebar nav a{white-space:nowrap}.userbox{display:none}.main{padding:16px}.grid,.formgrid,.mode{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}}

.school-logo{width:40px;height:40px;object-fit:contain;border-radius:10px;background:#f0faf7}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-head h2{margin:0 0 3px}.attendance-box{margin-top:20px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fbfefd}.attendance-grid{border:1px solid var(--line);border-radius:12px;overflow:auto}.attendance-head,.att-row{display:grid;grid-template-columns:1.4fr .55fr 1fr;gap:10px;align-items:center;padding:10px 12px}.attendance-head{background:#eef8f5;font-size:12px;font-weight:700}.att-row{border-top:1px solid var(--line);background:#fff}.att-row input,.att-row select{padding:8px;font-size:12px}.num{font-size:28px;font-weight:800;margin:8px 0}