:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#18263d;background:#f4f7fc;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}h1{font-size:1.9rem;margin:.25rem 0 1.5rem}h2{font-size:1.2rem;margin-top:0}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.panel{background:#fff;border:1px solid #e4e9f1;border-radius:16px;padding:24px;box-shadow:0 6px 20px #13274409}.login{width:min(100%,420px)}.brand{font-size:1.15rem;font-weight:750;display:flex;align-items:center;gap:12px;color:#205ac6}.login p{color:#65758b}.login label{display:block;margin:16px 0;font-weight:600;font-size:.9rem}.login input{display:block;width:100%;border:1px solid #cdd6e5;border-radius:9px;padding:12px;margin-top:7px}.login button{width:100%;border:0;border-radius:9px;background:#225dc6;color:#fff;padding:13px;font-weight:650}.error{background:#fff1f1;color:#a02424;border-radius:8px;padding:12px}.shell{display:flex;min-height:100vh}aside{width:250px;background:#fff;border-right:1px solid #e5eaf1;padding:25px 16px;display:flex;flex-direction:column;gap:20px}aside .brand{padding:0 10px}.small{color:#8190a3;font-size:.8rem;padding:0 10px}nav{display:grid;gap:7px}nav button,.logout{border:0;background:transparent;color:#42516a;text-align:left;padding:12px;display:flex;align-items:center;gap:12px;border-radius:9px}nav button.active{background:#eaf1ff;color:#215ac1;font-weight:700}.logout{margin-top:auto}.content{flex:1;max-width:1300px;padding:35px 5vw}header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.eyebrow{font-size:.8rem;color:#7a8ca4}.user{display:flex;gap:8px;align-items:center;font-size:.85rem;color:#65758b}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:20px}.cards article{display:flex;flex-direction:column;gap:10px;color:#2c60ba}.cards strong{font-size:2rem;color:#18263d}.cards span{color:#65758b}.student{padding:14px 0;border-bottom:1px solid #e8ecf2;display:flex;justify-content:space-between}.hint{font-size:.85rem;color:#7a8ca4}@media(max-width:760px){.shell{display:block}aside{width:100%;padding:16px}nav{display:flex;overflow:auto}nav button{white-space:nowrap}.logout{margin:0}.content{padding:20px}header{display:block}.user{overflow-wrap:anywhere}.cards{grid-template-columns:1fr}}