.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center}.modal{background:#fff;width:90%;max-width:1000px;max-height:90vh;border-radius:8px;overflow:hidden;display:flex;flex-direction:column}.modal-header{background:#2563eb;color:#fff;padding:20px;justify-content:space-between}.header-left,.modal-header{display:flex;align-items:center}.header-left{gap:10px}.icon{font-size:24px}.modal-header h2{margin:0;font-size:24px}.close-btn{background:none;border:none;color:#fff;font-size:24px;cursor:pointer}.modal-body{padding:30px;overflow-y:auto;color:#000}.label{display:block;margin-bottom:8px;font-weight:500}.dropdown{width:100%;padding:12px;border:1px solid #ddd;border-radius:6px;margin-bottom:30px;font-size:16px}.students-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.students-header h3{margin:0;font-size:18px}.deselect-btn{background:none;border:2px solid #2563eb;color:#2563eb;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:500}.bulk-actions{background:#f0f4ff;padding:20px;border-radius:8px;display:flex;gap:15px;align-items:center;margin-bottom:20px}.selected-count{font-weight:500}.status-dropdown{padding:10px;border:1px solid #ddd;border-radius:6px;flex:1}.apply-btn{background:#2563eb;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-weight:500}.attendance-options{background:#f5f5f5;padding:15px;display:flex;gap:30px;margin-bottom:10px;border-radius:6px}.attendance-options label{display:flex;align-items:center;gap:8px;cursor:pointer}.student-row{border-bottom:1px solid #eee;padding:20px 0}.student-name{display:flex;align-items:center;gap:10px;font-weight:500;margin-bottom:15px;cursor:pointer}.student-name input[type=checkbox]{width:20px;height:20px;accent-color:#2563eb}.student-options{display:flex;gap:30px;padding-left:30px}.student-options label{display:flex;align-items:center;gap:8px;cursor:pointer}.modal-footer{border-top:1px solid #eee;padding:20px 30px;display:flex;justify-content:flex-end;gap:15px}.cancel-btn{background:#fff;border:1px solid #ddd;border-radius:6px}.cancel-btn,.submit-btn{padding:12px 24px;cursor:pointer;font-size:16px}.submit-btn{background:#2563eb;color:#fff;border:none;border-radius:6px;font-weight:500}.submit-btn:disabled{background:#9ca3af;cursor:not-allowed}.success-message{background:#d1fae5;color:#047857;border-radius:6px;border:1px solid #a7f3d0}.error-message,.success-message{padding:12px 16px;margin-bottom:20px}.error-message{background:#fee2e2;color:#dc2626;border-radius:6px;border:1px solid #fca5a5}