*{box-sizing:border-box}body{color:#1a1a1a;background:#f4f6f8;margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif}.auth-container{justify-content:center;align-items:center;height:100vh;display:flex}.auth-card{background:#fff;border-radius:12px;width:320px;padding:2rem;box-shadow:0 4px 20px #00000014}.auth-card h1{margin-bottom:.2rem;font-size:1.4rem}.subtitle{color:#666;margin-top:0;margin-bottom:1.2rem;font-size:.9rem}label{margin-top:.8rem;font-size:.85rem;font-weight:600;display:block}input,select{border:1px solid #ddd;border-radius:6px;width:100%;margin-top:.3rem;padding:.6rem;font-size:.95rem}button{cursor:pointer;background:#e0e0e0;border:none;border-radius:6px;margin-top:.8rem;padding:.6rem 1rem;font-size:.9rem}.primary-btn,button[type=submit]{color:#fff;background:#2563eb;width:100%;font-weight:600}.danger-btn{color:#fff;background:#dc2626}.error-box{color:#991b1b;background:#fee2e2;border-radius:6px;margin-top:.8rem;padding:.6rem;font-size:.85rem}.info-box{color:#1e40af;background:#dbeafe;border-radius:8px;margin-bottom:1rem;padding:.7rem 1rem;font-size:.9rem}.dashboard{max-width:700px;margin:0 auto;padding:1.5rem}header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.logout-btn{background:#f3f4f6}.card{background:#fff;border-radius:10px;margin-bottom:1rem;padding:1.2rem;box-shadow:0 2px 8px #0000000f}.card h4{margin-top:0}.class-list{flex-direction:column;gap:.8rem;display:flex}.timetable-row{gap:.5rem;margin-top:.4rem;display:flex}.captured{color:#16a34a;font-size:.85rem;font-weight:600}.inline-form{gap:.5rem;margin-top:.6rem;display:flex}.inline-form input{margin-top:0}table{border-collapse:collapse;width:100%;margin-top:.6rem}th,td{text-align:left;border-bottom:1px solid #eee;padding:.5rem;font-size:.9rem}