.qz-wrap{display:flex;flex-direction:column;gap:14px}
.qz-students{border:1.5px solid #E8EDF3;border-radius:12px;overflow:hidden}
.qz-students-h{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;background:#F7F9FC;border-bottom:1px solid #E8EDF3}
.qz-students-h .t{font-size:12.5px;font-weight:800;color:#0F172A}
.qz-selall{display:flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:#2563EB;cursor:pointer}
.qz-selall input{width:16px;height:16px;accent-color:#2563EB;cursor:pointer}
.qz-students-list{max-height:200px;overflow:auto;padding:6px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.qz-stud{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;cursor:pointer;transition:background .12s}
.qz-stud:hover{background:#F7F9FC}
.qz-stud input{width:15px;height:15px;accent-color:#2563EB;cursor:pointer;flex-shrink:0}
.qz-stud-av{width:28px;height:28px;border-radius:8px;background:#EFF6FF;color:#2563EB;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0}
.qz-stud-n{flex:1;font-size:12px;font-weight:600;color:#334155;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qz-stud-count{font-size:11.5px;color:#059669;font-weight:700;padding:9px 13px;background:#F0FDF4;border-top:1px solid #DCFCE7}
@media(max-width:640px){.qz-students-list{grid-template-columns:1fr}}
.qz-settings{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}
@media(max-width:760px){.qz-settings{grid-template-columns:1fr}}
.qz-field label{display:block;font-size:11.5px;font-weight:800;color:#334155;margin-bottom:5px}
.qz-inp,.qz-sel{width:100%;padding:10px 12px;border:1.5px solid #E0F2FE;border-radius:9px;font-family:'Cairo';font-size:13px;color:#0F172A;background:#F8FAFC}
.qz-inp:focus,.qz-sel:focus{outline:none;border-color:#0EA5E9;background:#fff}

.qz-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:12px 14px;background:linear-gradient(135deg,#F0F9FF,#EEF2FF);border:1px solid #E0F2FE;border-radius:12px}
.qz-add-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:8px;border:1.5px solid #BAE6FD;background:#fff;color:#0369A1;font-family:'Cairo';font-size:12px;font-weight:700;cursor:pointer;transition:all .15s}
.qz-add-btn:hover{background:#0EA5E9;color:#fff;border-color:#0EA5E9;transform:translateY(-1px)}
.qz-add-btn.bank{border-color:#C7D2FE;color:#4338CA}
.qz-add-btn.bank:hover{background:#6366F1;border-color:#6366F1}
.qz-add-btn.ai{border-color:#A7F3D0;color:#047857}
.qz-add-btn.ai:hover{background:#10B981;border-color:#10B981}

.qz-q-list{display:flex;flex-direction:column;gap:12px}
.qz-q{background:#fff;border:1.5px solid #E0F2FE;border-radius:13px;overflow:hidden;animation:qzIn .25s ease}
@keyframes qzIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.qz-q-hd{display:flex;align-items:center;gap:10px;padding:11px 14px;background:#F8FAFC;border-bottom:1px solid #E0F2FE}
.qz-q-num{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#0EA5E9,#6366F1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;flex-shrink:0}
.qz-q-type{font-size:11px;font-weight:800;padding:3px 10px;border-radius:20px;background:#EFF6FF;color:#1E40AF}
.qz-q-type.tf{background:#F0FDF4;color:#065F46}
.qz-q-type.fill{background:#FEF3C7;color:#92400E}
.qz-q-type.essay{background:#F5F3FF;color:#5B21B6}
.qz-q-pts{margin-right:auto;display:flex;align-items:center;gap:5px;font-size:11px;color:#64748B;font-weight:700}
.qz-q-pts input{width:46px;padding:4px 6px;border:1px solid #BAE6FD;border-radius:6px;text-align:center;font-family:'Tajawal';font-weight:800;color:#0EA5E9}
.qz-q-del{width:26px;height:26px;border-radius:7px;border:1px solid #FECACA;background:#FEF2F2;color:#DC2626;cursor:pointer;font-size:13px;flex-shrink:0}
.qz-q-del:hover{background:#DC2626;color:#fff}
.qz-q-body{padding:13px 14px}
.qz-q-text{width:100%;padding:10px 12px;border:1.5px solid #E0F2FE;border-radius:9px;font-family:'Cairo';font-size:13.5px;color:#0F172A;background:#F8FAFC;min-height:50px;resize:vertical;margin-bottom:11px}
.qz-q-text:focus{outline:none;border-color:#0EA5E9;background:#fff}

.qz-opts{display:flex;flex-direction:column;gap:8px}
.qz-opt{display:flex;align-items:center;gap:9px}
.qz-opt-radio{width:22px;height:22px;border-radius:50%;border:2px solid #CBD5E1;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .15s}
.qz-opt-radio.correct{border-color:#10B981;background:#10B981}
.qz-opt-radio.correct::after{content:"✓";color:#fff;font-size:12px;font-weight:900}
.qz-opt-inp{flex:1;padding:8px 11px;border:1.5px solid #E0F2FE;border-radius:8px;font-family:'Cairo';font-size:12.5px;color:#0F172A;background:#fff}
.qz-opt-inp:focus{outline:none;border-color:#0EA5E9}
.qz-opt-rm{width:26px;height:26px;border-radius:6px;border:none;background:#FEF2F2;color:#DC2626;cursor:pointer;flex-shrink:0;font-size:14px}
.qz-opt-rm:hover{background:#FECACA}
.qz-opt-add{align-self:flex-start;display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:7px;border:1px dashed #BAE6FD;background:#F0F9FF;color:#0369A1;font-family:'Cairo';font-size:11.5px;font-weight:700;cursor:pointer;margin-top:2px}
.qz-opt-add:hover{background:#E0F2FE}
.qz-hint{font-size:11px;color:#94A3B8;font-weight:600;margin-top:8px}

.qz-tf-opts{display:flex;gap:10px}
.qz-tf-btn{flex:1;padding:11px;border:2px solid #E0F2FE;border-radius:10px;background:#fff;font-family:'Cairo';font-size:13px;font-weight:800;cursor:pointer;transition:all .15s;color:#475569}
.qz-tf-btn.sel-true{border-color:#10B981;background:#F0FDF4;color:#065F46}
.qz-tf-btn.sel-false{border-color:#EF4444;background:#FEF2F2;color:#991B1B}

.qz-fill-ans{display:flex;align-items:center;gap:8px;margin-top:4px}
.qz-fill-ans label{font-size:11.5px;font-weight:700;color:#334155;white-space:nowrap}

.qz-empty{text-align:center;padding:40px 20px;color:#94A3B8;border:1.5px dashed #BAE6FD;border-radius:13px;background:#F8FAFC}
.qz-empty-ic{font-size:46px;margin-bottom:10px;opacity:.6}

.qz-bar{position:sticky;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;background:#fff;border:1px solid #E0F2FE;border-radius:13px;box-shadow:0 -4px 16px -8px rgba(15,23,42,.1);flex-wrap:wrap}
.qz-bar-info{display:flex;gap:16px;font-size:12px;color:#64748B;font-weight:700}
.qz-bar-info b{color:#0EA5E9;font-size:14px}

/* Bank picker */
.qz-bank-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid #E0F2FE;border-radius:10px;margin-bottom:8px;cursor:pointer;transition:all .15s}
.qz-bank-item:hover{border-color:#BAE6FD;background:#F0F9FF}
.qz-bank-check{width:22px;height:22px;border-radius:6px;border:2px solid #CBD5E1;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .15s}
.qz-bank-item.picked .qz-bank-check{background:#0EA5E9;border-color:#0EA5E9}
.qz-bank-item.picked .qz-bank-check::after{content:"✓";color:#fff;font-size:13px;font-weight:900}
.qz-bank-c{flex:1;min-width:0}
.qz-bank-q{font-size:13px;font-weight:700;color:#0F172A;line-height:1.4}
.qz-bank-meta{font-size:11px;color:#64748B;margin-top:2px;display:flex;gap:6px;flex-wrap:wrap}
.qz-bank-tag{font-size:10px;font-weight:800;padding:1px 8px;border-radius:20px;background:#EFF6FF;color:#1E40AF}

/* Results screen */
.qz-res-row{display:flex;align-items:center;gap:11px;padding:10px 13px;border:1px solid #E0F2FE;border-radius:10px;margin-bottom:7px}
.qz-res-av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#0EA5E9,#6366F1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;flex-shrink:0}
.qz-res-name{flex:1;font-size:13px;font-weight:700;color:#0F172A}
.qz-res-score{font-size:15px;font-weight:800;font-family:'Tajawal'}
.qz-res-bar{width:90px;height:6px;background:#F0F9FF;border-radius:99px;overflow:hidden}
.qz-res-fill{height:100%;border-radius:99px}