.student-page{background:linear-gradient(135deg,#f8f9ff 0%,#fff 100%);min-height:100vh;padding-bottom:60px}.student-header{background:0 0;padding:20px 0}.back-link{color:#64748b;align-items:center;gap:6px;font-size:15px;font-weight:500;text-decoration:none;transition:color .2s;display:inline-flex}.back-link:hover{color:#7c3aed}.register-card{background:#fff;border-radius:20px;max-width:800px;margin:20px auto 0;padding:40px;animation:.5s ease-out slideUp;box-shadow:0 10px 30px #0000000d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.reg-title{color:#1a1a2e;text-align:center;margin-bottom:12px;font-size:28px;font-weight:800}.reg-desc{text-align:center;color:#64748b;margin-bottom:32px}.student-form{grid-template-columns:1fr 1fr;gap:24px;display:grid}.form-group{flex-direction:column;gap:8px;display:flex}.form-group.full{grid-column:1/-1}.form-group label{color:#1a1a2e;font-size:14px;font-weight:600}.form-group input,.form-group textarea{border:1px solid #e2e8f0;border-radius:10px;outline:none;padding:12px 16px;font-family:inherit;font-size:15px;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{border-color:#7c3aed;box-shadow:0 0 0 3px #7c3aed1a}.btn-submit{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:12px;grid-column:1/-1;margin-top:16px;padding:16px;font-size:16px;font-weight:700;transition:all .3s}.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 20px #667eea4d}.btn-submit:disabled{opacity:.7;cursor:default;transform:none}.success-msg{text-align:center;color:#22c55e;background:#f0fdf4;border-radius:12px;grid-column:1/-1;margin-top:20px;padding:16px}.error-msg{text-align:center;color:#ef4444;background:#fef2f2;border-radius:12px;grid-column:1/-1;margin-top:20px;padding:16px}@media (max-width:768px){.student-form{grid-template-columns:1fr;gap:20px}.register-card{padding:24px}}