*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#111827;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}html,body,#root{max-width:100%;overflow-x:hidden}.oc-layout{display:flex;min-width:0}.oc-layout:not(.app-shell){flex:1;flex-direction:column;min-height:100vh}.oc-layout-sider{flex:0 0 220px;width:220px;min-height:100vh}.oc-layout-header{flex:0 0 auto}.oc-layout-content{flex:1;min-width:0}.oc-flex{display:flex;align-items:stretch;min-width:0}.oc-space{display:inline-flex;align-items:center;min-width:0}.oc-space-vertical{display:flex;flex-direction:column;align-items:stretch}.oc-card{min-width:0;border:1px solid #e5e7eb;border-radius:8px;padding:18px;background:#fff;box-shadow:0 1px 2px #0f172a0a}.oc-card-title{margin:-2px 0 16px;color:#111827;font-size:16px;font-weight:700;line-height:1.4}.oc-statistic{display:grid;gap:8px;min-width:0}.oc-statistic-title{color:#6b7280;font-size:13px}.oc-statistic-value{display:flex;align-items:center;gap:8px;color:#111827;font-size:20px;font-weight:700;line-height:1.2}.oc-button{display:inline-flex;min-width:0;min-height:36px;align-items:center;justify-content:center;gap:6px;border:1px solid #d1d5db;border-radius:6px;padding:7px 12px;background:#fff;color:#111827;font:inherit;font-weight:600;line-height:1.3;cursor:pointer}.oc-button span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.oc-button-primary{border-color:#0f9f8f;background:#0f9f8f;color:#fff}.oc-button:disabled{cursor:not-allowed;opacity:.55}.oc-tag{display:inline-flex;max-width:100%;align-items:center;gap:4px;border-radius:999px;padding:4px 9px;background:#f3f4f6;color:#374151;font-size:12px;font-weight:600;line-height:1.2;white-space:nowrap}.oc-tag-green{background:#dcfce7;color:#166534}.oc-tag-blue{background:#dbeafe;color:#1d4ed8}.oc-tag-orange{background:#ffedd5;color:#9a3412}.oc-tag-red{background:#fee2e2;color:#991b1b}.oc-icon{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;border-radius:4px;padding:2px 4px;background:#0f9f8f1a;color:#087c70;font-size:10px;font-weight:800;line-height:1}.sidebar .oc-icon{background:#ffffff1f;color:#fff}.oc-form-item,.oc-input-wrap{display:grid;gap:6px;min-width:0}.oc-form-label,.oc-text-secondary{color:#6b7280}.oc-input{width:100%;min-height:36px;border:1px solid #d1d5db;border-radius:6px;padding:7px 10px;background:#fff;color:#111827;font:inherit}.oc-alert{border:1px solid #bfdbfe;border-radius:6px;padding:10px 12px;background:#eff6ff;color:#1d4ed8}.oc-alert-error{border-color:#fecaca;background:#fef2f2;color:#991b1b}.app-shell{min-height:100vh;min-width:0}.sidebar{background:#111827!important;color:#fff;padding:20px 12px}.brand{display:flex;align-items:center;gap:10px;height:44px;padding:0 8px;font-size:17px;font-weight:700}.nav-item{display:flex;align-items:center;gap:10px;margin-top:20px;padding:10px 12px;border-radius:6px;color:#cbd5e1}.nav-item.active{background:#1f2937;color:#fff}.topbar{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 24px;background:#fff;border-bottom:1px solid #e5e7eb}.topbar h3{margin:0}.content{padding:24px;min-width:0;overflow-x:hidden}.status-card{width:240px}.panel{max-width:760px;margin-top:16px}.wide-panel{width:100%;max-width:100%;min-width:0;margin-top:16px;overflow:hidden}.full-width{width:100%}.form-alert{margin-bottom:16px}.log-row{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px solid #edf0f5}.log-row:last-child{border-bottom:0}.two-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.grid-form h4,.compact-form h4{grid-column:1 / -1;margin:0;color:#111827}.grid-form label{display:grid;gap:6px;min-width:0;color:#4b5563;font-size:13px;font-weight:600}.field-help{color:#6b7280;font-size:12px;font-weight:400;line-height:1.4}.upload-message{margin-bottom:14px;border:1px solid #bfdbfe;border-radius:6px;padding:10px 12px;background:#eff6ff;color:#1d4ed8}.grid-form input,.grid-form select,.grid-form textarea,.policy-form input,.policy-form textarea,.inline-form input,.inline-form select{width:100%;min-height:36px;border:1px solid #d1d5db;border-radius:6px;padding:7px 10px;background:#fff;color:#111827;font:inherit}.grid-form textarea{resize:vertical}.grid-form button,.compact-form button{align-self:end}.compact-form{margin-top:18px;padding-top:18px;border-top:1px solid #edf0f5}.inline-check{display:flex!important;grid-auto-flow:column;grid-template-columns:auto 1fr;align-items:center;justify-content:start}.inline-check input{width:auto;min-height:auto}.list-panel{min-width:0}.list-panel h4,.entitlement-panel h4{margin:0 0 12px;color:#111827}.list-row{display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;border:1px solid #e5e7eb;border-radius:6px;padding:10px 12px;background:#fff;color:#111827;text-align:left;cursor:pointer}.list-row span,.entitlement-row strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-row small,.data-grid small,.entitlement-row small{color:#6b7280}.list-row.selected{border-color:#2563eb;background:#eff6ff}.data-grid{display:grid;gap:8px;margin-top:14px;min-width:0}.data-grid>div{min-width:0;border:1px solid #edf0f5;border-radius:6px;padding:10px 12px;background:#fff}.data-grid>form{min-width:0}.entitlement-panel,.material-binding-forms{margin-top:18px;padding-top:18px;border-top:1px solid #edf0f5}.operations-config{align-items:stretch}.policy-form,.order-amount-summary{display:grid;gap:10px;min-width:0;border:1px solid #edf0f5;border-radius:6px;padding:12px;background:#fff}.policy-form-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.policy-form-header small{grid-column:1 / -1}.policy-form label{display:grid;gap:6px;min-width:0;color:#4b5563;font-size:13px;font-weight:600}.engagement-form textarea,.policy-form textarea{resize:vertical}.order-amount-summary{align-self:stretch;color:#4b5563}.readiness-panel{display:grid;gap:12px;margin-top:18px;border:1px solid #edf0f5;border-radius:6px;padding:12px;background:#fff}.readiness-panel>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px}.readiness-panel h4{margin:0}.readiness-stats,.check-list{display:flex;flex-wrap:wrap;gap:8px}.readiness-stats span,.check-list span{border-radius:999px;padding:6px 10px;background:#f3f4f6;color:#374151;font-size:12px}.check-list span{background:#fffbeb;color:#92400e}.check-list.danger span{background:#fef2f2;color:#991b1b}.entitlement-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(180px,1fr) minmax(220px,1fr) minmax(210px,1fr);gap:12px;align-items:start}.lesson-admin-row,.asset-row,.video-asset-row,.material-row,.material-binding-row,.coupon-row,.redeem-code-row,.redeem-record-row,.order-row{display:grid;grid-template-columns:minmax(150px,1fr) auto minmax(180px,1fr) minmax(180px,1fr);gap:12px;align-items:center;min-width:0}.lesson-admin-row{grid-template-columns:minmax(180px,1fr) auto}.asset-row{display:grid;grid-template-columns:minmax(180px,1.4fr) auto minmax(110px,.6fr) minmax(130px,.8fr);gap:12px;align-items:center;min-width:0}.tag-stack{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}.refund-review-grid{margin-top:18px;padding-top:18px;border-top:1px solid #edf0f5}.refund-row{display:grid;grid-template-columns:minmax(180px,1.2fr) auto minmax(180px,.8fr) minmax(280px,1.4fr);gap:12px;align-items:start}.refund-actions{display:grid;gap:8px}.material-binding-row{grid-template-columns:minmax(180px,1.4fr) auto minmax(160px,1fr) minmax(140px,1fr) auto}.coupon-row{grid-template-columns:minmax(180px,1.3fr) auto minmax(100px,.7fr) minmax(120px,.8fr) minmax(220px,1fr) auto}.video-asset-row,.material-row,.order-row,.refund-row,.redeem-record-row{overflow-wrap:anywhere}.asset-row>div,.video-asset-row>div,.material-row>div,.material-binding-row>div,.coupon-row>div,.redeem-code-row>div{display:grid;gap:4px;min-width:0}.asset-row strong,.asset-row small,.video-asset-row strong,.video-asset-row small,.coupon-row strong,.coupon-row small,.lesson-admin-row div{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.coupon-created{display:grid;gap:6px}.entitlement-row>div{display:grid;gap:4px}.learning-status{min-width:0}.learning-status strong,.learning-status small{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inline-form{display:grid;grid-template-columns:minmax(90px,1fr) minmax(120px,2fr) auto;gap:8px;align-items:center}.alert-error{margin-bottom:14px;border:1px solid #fecaca;border-radius:6px;padding:10px 12px;background:#fef2f2;color:#991b1b}@media (max-width: 1320px){.two-column{grid-template-columns:minmax(0,1fr)}.entitlement-row,.asset-row,.video-asset-row,.material-row,.material-binding-row,.coupon-row,.order-row,.refund-row,.redeem-code-row,.redeem-record-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.inline-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto}}@media (max-width: 980px){.sidebar{display:none}.app-shell{display:block}.oc-layout:not(.app-shell){min-height:auto}.oc-card{padding:14px}.oc-space{flex-wrap:wrap;justify-content:flex-start}.content{padding:16px}.two-column,.grid-form,.entitlement-row,.lesson-admin-row,.asset-row,.video-asset-row,.material-row,.material-binding-row,.coupon-row,.order-row,.refund-row,.redeem-code-row,.redeem-record-row,.inline-form{grid-template-columns:1fr}.topbar{height:auto;min-height:64px;align-items:flex-start;gap:12px;padding:14px 16px}}