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button{color:#1e293b;cursor:pointer;background:#fff;border:1.5px solid #cbd5e1;border-radius:9px;justify-content:center;align-items:center;gap:5px;padding:8px 4px;font-size:11px;font-weight:800;transition:all .15s;display:flex}.cover-theme-picker button i{background:#94a3b8;border-radius:50%;width:7px;height:7px;display:inline-block}.cover-theme-picker button:hover{background:#f1f5f9;border-color:#94a3b8}.cover-theme-picker button.active{color:#fff;background:#2563eb;border-color:#2563eb}.cover-theme-picker button.active i{background:#fff}.lesson-overlay-layer{pointer-events:none!important;z-index:20!important;position:absolute!important;inset:0!important;overflow:hidden!important}.free-lesson-block{pointer-events:auto!important;box-sizing:border-box!important;border:1.5px solid var(--lesson-accent,#2563eb)!important;cursor:grab!important;-webkit-user-select:none!important;user-select:none!important;background:#fff!important;border-radius:10px!important;flex-direction:column!important;transition:box-shadow .15s,border-color .15s!important;display:flex!important;position:absolute!important;overflow:hidden!important;box-shadow:0 8px 24px #0000001f,0 2px 6px #0000000f!important}.free-lesson-block:active{cursor:grabbing!important}.free-lesson-block.lesson-block-selected{outline-offset:2px!important;z-index:25!important;border-color:#2563eb!important;outline:3px solid #3b82f6!important;box-shadow:0 12px 32px #2563eb4d!important}.lesson-drag-handle{background:var(--lesson-accent,#2563eb)!important;color:#fff!important;letter-spacing:.5px!important;cursor:grab!important;justify-content:space-between!important;align-items:center!important;padding:5px 8px!important;font-size:10.5px!important;font-weight:850!important;display:flex!important}.lesson-drag-handle span{align-items:center!important;gap:5px!important;display:flex!important}.lesson-drag-handle span svg{width:13px!important;height:13px!important}.lesson-drag-handle i{background:#0003!important;border-radius:4px!important;padding:1px 6px!important;font-size:9px!important;font-style:normal!important}.lesson-card-content{background:#fff!important;flex-direction:column!important;flex:auto!important;gap:4px!important;padding:8px 10px!important;font-size:11px!important;display:flex!important;overflow-y:auto!important}.lesson-card-content h2{color:#0f172a!important;margin:0!important;font-size:12px!important;font-weight:850!important;line-height:1.3!important}.lesson-card-content p{color:#334155!important;white-space:pre-wrap!important;margin:0!important;font-size:10.5px!important;line-height:1.4!important}.lesson-card-content .solution-space{color:#94a3b8!important;text-align:center!important;background:#f8fafc!important;border:1.5px dashed #cbd5e1!important;border-radius:6px!important;margin-top:6px!important;padding:12px!important;font-size:9.5px!important;font-style:italic!important;font-weight:700!important}.lesson-card-content .example-solution-header{color:#1e3a8a!important;text-underline-offset:3px!important;letter-spacing:.3px!important;cursor:text!important;margin-top:10px!important;font-size:11px!important;font-weight:800!important;text-decoration:underline!important;display:block!important}.lesson-inline-image-box{background:0 0!important;justify-content:center!important;align-items:center!important;width:100%!important;margin:2mm 0 0!important;display:flex!important;overflow:visible!important}.lesson-inline-image{object-fit:contain!important;object-position:center!important;mix-blend-mode:multiply!important;background:0 0!important;max-width:100%!important;height:auto!important;max-height:80%!important;display:block!important}.lesson-image-content{background:0 0!important;flex:auto!important;justify-content:center!important;align-items:center!important;padding:6px!important;display:flex!important;overflow:hidden!important}.lesson-image-content img{object-fit:contain!important;mix-blend-mode:multiply!important;background:0 0!important;width:100%!important;height:100%!important}.lesson-resize-handle{color:#475569!important;cursor:se-resize!important;z-index:10!important;background:#00000014!important;border:0!important;border-radius:4px!important;place-items:center!important;width:18px!important;height:18px!important;font-size:11px!important;font-weight:900!important;transition:all .15s!important;display:grid!important;position:absolute!important;bottom:2px!important;right:2px!important}.lesson-resize-handle:hover{color:#fff!important;background:#2563eb!important}.lesson-style-accent{background:#fff!important;border-width:2px!important}.lesson-style-soft{border-color:#cbd5e1!important}.lesson-warning{--lesson-accent:#ef4444}.lesson-tip{--lesson-accent:#f59e0b}.lesson-formula{--lesson-accent:#8b5cf6}.lesson-example{--lesson-accent:#2563eb}.lesson-summary{--lesson-accent:#0284c7}.lesson-note{--lesson-accent:#0d9488}.lesson-homework{--lesson-accent:#7c3aed}.lesson-checklist{--lesson-accent:#16a34a}.lesson-exit{--lesson-accent:#ea580c}.lesson-tools{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;flex-direction:column;gap:12px;padding:14px;display:flex}.lesson-tools>div:first-child b{color:#0f172a;font-size:13px;font-weight:850}.lesson-tools>div:first-child 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12px}.lesson-block-editor.collapsed:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-1px)}.lesson-block-editor.selected{background:#fff;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb26,0 4px 14px #0000000f}.lesson-editor-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.editor-heading-title{align-items:center;gap:6px;min-width:0;display:flex}.editor-heading-title svg{color:#2563eb;flex-shrink:0;width:14px;height:14px}.editor-heading-title b{color:#0f172a;white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;font-weight:850;overflow:hidden}.btn-deselect-card{color:#475569;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:6px;flex-shrink:0;padding:3px 8px;font-size:10.5px;font-weight:750;transition:all .15s}.btn-deselect-card:hover{color:#dc2626;background:#fee2e2;border-color:#fca5a5}.badge-select-hint{color:#64748b;background:#f1f5f9;border-radius:5px;flex-shrink:0;padding:2px 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auto!important;position:relative!important;overflow:hidden!important;box-shadow:0 16px 48px #00000073!important}.pdf-editor .print-sheet .pdf-page.studio-selected-page{outline-offset:4px!important;outline:3px solid #3b82f6!important}.page-watermark{pointer-events:none!important;-webkit-user-select:none!important;user-select:none!important;z-index:35!important;opacity:.055!important;justify-content:center!important;align-items:center!important;display:flex!important;position:absolute!important;inset:0!important}.page-watermark img{object-fit:contain!important;filter:grayscale()!important;pointer-events:none!important;-webkit-user-select:none!important;user-select:none!important;width:120mm!important;max-width:65%!important;height:auto!important;transform:none!important}.exam-page{border:2px solid var(--pdf-color)!important;background-color:#fff!important;border-radius:12px!important;flex-direction:column!important;padding:10mm 12mm 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var(--pdf-color)!important;pointer-events:none!important;z-index:1!important;border-radius:8px!important;position:absolute!important;inset:10mm!important}.cover-art-corner-tl{pointer-events:none!important;z-index:1!important;width:32mm!important;height:32mm!important;position:absolute!important;top:0!important;left:0!important}.cover-art-corner-br{pointer-events:none!important;z-index:1!important;width:32mm!important;height:32mm!important;position:absolute!important;bottom:0!important;right:0!important}.cover-dot-matrix{background-image:radial-gradient(var(--pdf-color) 1.5px, transparent 1.5px)!important;opacity:.3!important;pointer-events:none!important;z-index:1!important;background-size:6px 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td.ans-key{text-align:center!important}.ans-bubble{background:var(--pdf-color)!important;color:#fff!important;border-radius:50%!important;justify-content:center!important;align-items:center!important;width:17px!important;height:17px!important;font-size:10px!important;font-weight:900!important;line-height:1!important;display:inline-flex!important}.pdf-back-cover{text-align:center!important;box-sizing:border-box!important;background:#fff!important;flex-direction:column!important;justify-content:space-between!important;align-items:center!important;padding:20mm 18mm!important;display:flex!important;position:relative!important;overflow:hidden!important}.pdf-back-cover .cover-frame-border{border-color:var(--pdf-color)!important;inset:10mm!important}.back-cover-brand{z-index:2!important;flex-direction:column!important;align-items:center!important;gap:8px!important;margin-top:4mm!important;display:flex!important;position:relative!important}.back-cover-brand 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.15s!important;display:flex!important}.auto-select-header button:hover{color:#0f172a!important;background:#e2e8f0!important}.auto-select-body{flex-direction:column!important;gap:20px!important;padding:20px 24px!important;display:flex!important}.auto-scope-card{background:#f8fafc!important;border:1px solid #e2e8f0!important;border-radius:12px!important;flex-direction:column!important;gap:10px!important;padding:14px 16px!important;display:flex!important}.auto-scope-options{flex-direction:column!important;gap:6px!important;display:flex!important}.auto-scope-options label{color:#334155!important;cursor:pointer!important;align-items:center!important;gap:8px!important;font-size:13px!important;font-weight:600!important;display:flex!important}.auto-scope-options label.active{color:#1d4ed8!important;font-weight:750!important}.auto-scope-stats{border-top:1px dashed #cbd5e1!important;flex-wrap:wrap!important;align-items:center!important;gap:8px!important;padding-top:8px!important;font-size:12px!important;display:flex!important}.auto-scope-stats .stats-loading{color:#64748b!important;font-style:italic!important}.pill-stat{background:#fff!important;border:1px solid #e2e8f0!important;border-radius:6px!important;align-items:center!important;gap:4px!important;padding:3px 9px!important;font-weight:650!important;display:inline-flex!important}.pill-stat.total{color:#0f172a!important;border-color:#cbd5e1!important}.pill-stat.easy{color:#16a34a!important;background:#f0fdf4!important;border-color:#bbf7d0!important}.pill-stat.medium{color:#d97706!important;background:#fffbeb!important;border-color:#fde68a!important}.pill-stat.hard{color:#dc2626!important;background:#fef2f2!important;border-color:#fecaca!important}.auto-section{flex-direction:column!important;gap:10px!important;display:flex!important}.auto-section-title{color:#1e293b!important;justify-content:space-between!important;align-items:center!important;font-size:14px!important;font-weight:800!important;display:flex!important}.auto-section-title small{color:#64748b!important;font-size:12px!important;font-weight:500!important}.auto-count-picker{flex-direction:column!important;gap:10px!important;display:flex!important}.auto-presets{grid-template-columns:repeat(auto-fill,minmax(68px,1fr))!important;gap:6px!important;display:grid!important}.auto-preset-btn{color:#334155!important;cursor:pointer!important;background:#fff!important;border:1.5px solid #e2e8f0!important;border-radius:8px!important;padding:8px 6px!important;font-size:13px!important;font-weight:750!important;transition:all .15s!important}.auto-preset-btn:hover{color:#1d4ed8!important;background:#eff6ff!important;border-color:#93c5fd!important}.auto-preset-btn.active{color:#fff!important;background:#2563eb!important;border-color:#2563eb!important;box-shadow:0 2px 6px #2563eb40!important}.auto-custom-count{color:#475569!important;align-items:center!important;gap:8px!important;font-size:13px!important;font-weight:600!important;display:flex!important}.auto-custom-count input{color:#0f172a!important;text-align:center!important;border:1.5px solid #cbd5e1!important;border-radius:6px!important;width:80px!important;padding:6px 10px!important;font-size:14px!important;font-weight:750!important}.auto-custom-inputs{background:#f8fafc!important;border:1px solid #e2e8f0!important;border-radius:10px!important;flex-wrap:wrap!important;align-items:center!important;gap:12px!important;padding:12px 16px!important;display:flex!important}.auto-custom-inputs label{align-items:center!important;gap:6px!important;font-size:13px!important;font-weight:700!important;display:flex!important}.auto-custom-inputs input{text-align:center!important;border:1.5px solid #cbd5e1!important;border-radius:6px!important;width:65px!important;padding:5px 8px!important;font-weight:750!important}.custom-total-badge{color:#1e293b!important;background:#e2e8f0!important;border-radius:6px!important;margin-left:auto!important;padding:4px 10px!important;font-size:13px!important;font-weight:600!important}.auto-strategies-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important;display:grid!important}@media (max-width:600px){.auto-strategies-grid{grid-template-columns:1fr!important}}.strategy-card{cursor:pointer!important;text-align:left!important;background:#fff!important;border:1.5px solid #e2e8f0!important;border-radius:10px!important;align-items:flex-start!important;gap:10px!important;padding:12px 14px!important;transition:all .18s cubic-bezier(.4,0,.2,1)!important;display:flex!important}.strategy-card:hover{background:#f8fafc!important;border-color:#93c5fd!important;transform:translateY(-1px)!important}.strategy-card.active{background:#eff6ff!important;border-color:#2563eb!important;box-shadow:0 0 0 1px #2563eb,0 4px 12px #2563eb1f!important}.strat-icon{flex-shrink:0!important;padding-top:2px!important;font-size:20px!important;line-height:1!important}.strat-info{flex-direction:column!important;gap:2px!important;display:flex!important}.strat-info b{color:#0f172a!important;font-size:13.5px!important;font-weight:800!important}.strat-info span{color:#2563eb!important;font-size:11.5px!important;font-weight:700!important}.strat-info small{color:#64748b!important;font-size:11px!important;line-height:1.25!important}.auto-strategy-sub-pills{flex-wrap:wrap!important;gap:6px!important;display:flex!important}.sub-pill{color:#334155!important;cursor:pointer!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:20px!important;padding:6px 12px!important;font-size:12px!important;font-weight:700!important;transition:all .15s!important}.sub-pill:hover{background:#f0fdf4!important;border-color:#93c5fd!important}.sub-pill.active{color:#fff!important;background:#1e40af!important;border-color:#1e40af!important}.auto-mode-row{color:#334155!important;background:#f8fafc!important;border-radius:10px!important;flex-direction:column!important;gap:6px!important;padding:12px 14px!important;font-size:13px!important;display:flex!important}.auto-mode-row span{font-weight:700!important}.auto-mode-row label{cursor:pointer!important;color:#475569!important;align-items:center!important;gap:8px!important;font-weight:550!important;display:flex!important}.auto-mode-row label.active-mode{color:#0f172a!important;font-weight:700!important}.auto-select-footer{background:#f8fafc!important;border-top:1px solid #e2e8f0!important;border-bottom-right-radius:16px!important;border-bottom-left-radius:16px!important;justify-content:flex-end!important;gap:10px!important;padding:16px 24px!important;display:flex!important}.auto-btn-cancel{color:#64748b!important;cursor:pointer!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:8px!important;padding:9px 16px!important;font-size:13.5px!important;font-weight:700!important;transition:all .15s!important}.auto-btn-cancel:hover{color:#334155!important;background:#f1f5f9!important}.auto-btn-submit{color:#fff!important;cursor:pointer!important;background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;border:1px solid #1d4ed8!important;border-radius:8px!important;padding:9px 20px!important;font-size:14px!important;font-weight:800!important;transition:all .2s!important;box-shadow:0 2px 8px #2563eb4d!important}.auto-btn-submit:hover:not(:disabled){background:linear-gradient(135deg,#1d4ed8,#1e40af)!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px #2563eb66!important}.auto-btn-submit:disabled{opacity:.65!important;cursor:not-allowed!important}.builder-btn-delete{color:#b91c1c!important;cursor:pointer!important;background:#fee2e2!important;border:1.5px solid #ef4444!important;border-radius:8px!important;align-items:center!important;gap:6px!important;padding:8px 14px!important;font-size:13px!important;font-weight:800!important;transition:all .15s cubic-bezier(.4,0,.2,1)!important;display:inline-flex!important}.builder-btn-delete:hover{color:#991b1b!important;background:#fecaca!important;border-color:#dc2626!important;transform:translateY(-1px)!important;box-shadow:0 4px 10px #dc262633!important}.delete-question{z-index:auto!important;color:#64748b!important;cursor:pointer!important;opacity:.8!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:6px!important;padding:6px 8px!important;font-size:11px!important;line-height:1!important;transition:all .15s!important;position:static!important;bottom:auto!important;right:auto!important}.delete-question:hover{opacity:1!important;color:#dc2626!important;background:#fee2e2!important;border-color:#fca5a5!important;transform:scale(1.08)!important}.preview-modal-backdrop{-webkit-backdrop-filter:blur(4px)!important;backdrop-filter:blur(4px)!important;z-index:1000!important;background:#0f172abf!important}.preview-modal{background:#fff!important;border-radius:16px!important;flex-direction:column!important;width:94%!important;max-width:860px!important;max-height:92vh!important;display:flex!important;overflow:hidden!important;box-shadow:0 24px 50px #0f172a59!important}.preview-modal-header{border-bottom:1px solid var(--line)!important;background:#f8fafc!important;justify-content:space-between!important;align-items:center!important;padding:16px 22px!important;display:flex!important}.preview-modal-header h2{color:#0f172a!important;margin:4px 0 2px!important;font-size:18px!important}.preview-subtitle{color:#64748b!important;margin:0!important;font-size:12px!important}.preview-header-right{align-items:center!important;gap:12px!important;display:flex!important}.preview-answer-pill{color:#fff!important;background:#0f172a!important;border-radius:999px!important;padding:5px 12px!important;font-size:12px!important;font-weight:700!important}.preview-answer-pill b{color:#38bdf8!important}.preview-modal-body{background:#f1f5f9!important;flex:1!important;justify-content:center!important;align-items:center!important;min-height:380px!important;padding:24px!important;display:flex!important;overflow-y:auto!important}.preview-full-image{background:#fff!important;border-radius:8px!important;max-width:100%!important;height:auto!important;display:block!important;box-shadow:0 4px 16px #0000001a!important}.preview-modal-footer{border-top:1px solid var(--line)!important;background:#fff!important;flex-wrap:wrap!important;justify-content:space-between!important;align-items:center!important;gap:16px!important;padding:14px 22px!important;display:flex!important}.preview-modal-outcome{flex-direction:column!important;max-width:48%!important;display:flex!important}.preview-modal-outcome small{color:var(--primary)!important;text-transform:uppercase!important;font-size:10px!important;font-weight:800!important}.preview-modal-outcome span{color:#1e293b!important;font-size:13px!important;font-weight:600!important}.preview-footer-btns{align-items:center!important;gap:8px!important;display:flex!important}.preview-select-btn{background:var(--primary)!important;color:#fff!important;cursor:pointer!important;border:none!important;border-radius:8px!important;padding:8px 16px!important;font-size:12px!important;font-weight:800!important;transition:all .15s!important}.preview-select-btn.selected{background:#15803d!important}.preview-edit-btn,.preview-delete-btn,.preview-close-btn{cursor:pointer!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:8px!important;padding:8px 14px!important;font-size:12px!important;font-weight:700!important;transition:all .15s!important}.preview-edit-btn:hover{color:#0f172a!important;background:#f1f5f9!important}.preview-delete-btn{color:#dc2626!important;border-color:#fca5a5!important}.preview-delete-btn:hover{background:#fee2e2!important}.preview-close-btn:hover{background:#f1f5f9!important}.delete-modal-backdrop{-webkit-backdrop-filter:blur(4px)!important;backdrop-filter:blur(4px)!important;background:#0f172aa6!important}.delete-modal{background:#fff!important;border:1.5px solid #fecaca!important;border-radius:16px!important;width:92%!important;max-width:540px!important;overflow:hidden!important;box-shadow:0 20px 40px #00000040!important}.delete-header{background:#fef2f2!important;border-bottom:1px solid #fee2e2!important;justify-content:space-between!important;align-items:flex-start!important;padding:16px 20px!important;display:flex!important}.delete-header .badge-danger{color:#dc2626!important;letter-spacing:.5px!important;background:#fee2e2!important;border:1px solid #fca5a5!important;border-radius:4px!important;margin-bottom:4px!important;padding:2px 8px!important;font-size:10px!important;font-weight:900!important;display:inline-block!important}.delete-header h2{color:#991b1b!important;margin:0!important;font-size:16px!important;font-weight:850!important}.delete-modal-body{flex-direction:column!important;gap:16px!important;padding:20px!important;display:flex!important}.delete-warning-box{background:#fff1f2!important;border:1px solid #ffe4e6!important;border-radius:10px!important;align-items:flex-start!important;gap:12px!important;padding:12px 14px!important;display:flex!important}.delete-warning-box .warning-icon{flex-shrink:0!important;font-size:24px!important;line-height:1!important}.delete-warning-box strong{color:#9f1239!important;margin-bottom:2px!important;font-size:13.5px!important;font-weight:800!important;display:block!important}.delete-warning-box p{color:#881337!important;margin:0!important;font-size:12px!important;line-height:1.35!important}.delete-preview-list{flex-direction:column!important;gap:6px!important;display:flex!important}.delete-preview-list small{color:#64748b!important;font-size:11.5px!important;font-weight:750!important}.delete-ids-chips{background:#f8fafc!important;border:1px solid #e2e8f0!important;border-radius:8px!important;flex-wrap:wrap!important;gap:5px!important;max-height:120px!important;padding:6px!important;display:flex!important;overflow-y:auto!important}.id-chip{color:#334155!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:4px!important;padding:2px 7px!important;font-size:11px!important;font-weight:700!important}.id-chip-more{color:#64748b!important;padding:2px 6px!important;font-size:11px!important;font-weight:800!important}.delete-footer{background:#f8fafc!important;border-top:1px solid #e2e8f0!important;justify-content:flex-end!important;gap:10px!important;padding:14px 20px!important;display:flex!important}.delete-cancel-btn{color:#64748b!important;cursor:pointer!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:8px!important;padding:9px 16px!important;font-size:13px!important;font-weight:700!important}.confirm-delete-btn{color:#fff!important;cursor:pointer!important;background:linear-gradient(135deg,#dc2626,#b91c1c)!important;border:1px solid #b91c1c!important;border-radius:8px!important;padding:9px 18px!important;font-size:13.5px!important;font-weight:800!important;transition:all .15s!important;box-shadow:0 2px 8px #dc26264d!important}.confirm-delete-btn:hover:not(:disabled){background:linear-gradient(135deg,#b91c1c,#991b1b)!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px #dc262666!important}.delete-modal-trigger-btn{color:#dc2626!important;cursor:pointer!important;background:#fee2e2!important;border:1px solid #fca5a5!important;border-radius:8px!important;margin-right:auto!important;padding:8px 14px!important;font-size:12.5px!important;font-weight:800!important;transition:all .15s!important}.delete-modal-trigger-btn:hover{color:#991b1b!important;background:#fecaca!important}.tax-btn.delete{color:#dc2626!important;background:#fee2e2!important;border-color:#fca5a5!important}.tax-btn.delete:hover{color:#991b1b!important;background:#fecaca!important;border-color:#dc2626!important}.hero-storage-tag{color:#38bdf8!important;margin-left:6px!important;font-size:13.5px!important;font-weight:800!important;display:inline-block!important}.section-stats-group{align-items:center!important;gap:12px!important;display:flex!important}.pool-storage-pill{color:#0369a1!important;background:#e0f2fe!important;border:1px solid #bae6fd!important;border-radius:20px!important;align-items:center!important;gap:5px!important;padding:6px 14px!important;font-size:12.5px!important;font-weight:750!important;display:inline-flex!important}.replace-backdrop,.studio-picker-backdrop{-webkit-backdrop-filter:blur(8px)!important;backdrop-filter:blur(8px)!important;z-index:999999!important;box-sizing:border-box!important;background:#0f172ac7!important;justify-content:center!important;align-items:center!important;width:100vw!important;height:100vh!important;padding:24px!important;display:flex!important;position:fixed!important;inset:0!important}.replace-panel,.question-picker-modal{z-index:1000000!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:16px!important;flex-direction:column!important;width:980px!important;max-width:95vw!important;height:86vh!important;max-height:850px!important;animation:.2s cubic-bezier(.16,1,.3,1) modalPop!important;display:flex!important;position:relative!important;overflow:hidden!important;box-shadow:0 25px 60px -15px #00000080!important}@keyframes modalPop{0%{opacity:0;transform:scale(.96)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.picker-modal-header{color:#fff!important;background:#0f172a!important;border-bottom:1px solid #1e293b!important;flex-shrink:0!important;justify-content:space-between!important;align-items:center!important;padding:16px 24px!important;display:flex!important}.picker-modal-header b{color:#60a5fa!important;font-size:17px!important;font-weight:800!important;display:block!important}.picker-modal-header span{color:#94a3b8!important;margin-top:3px!important;font-size:12.5px!important;display:block!important}.modal-close-btn{color:#cbd5e1!important;cursor:pointer!important;background:#1e293b!important;border:1px solid #334155!important;border-radius:8px!important;justify-content:center!important;align-items:center!important;width:34px!important;height:34px!important;font-size:20px!important;transition:all .15s!important;display:flex!important}.modal-close-btn:hover{color:#fff!important;background:#ef4444!important;border-color:#dc2626!important}.picker-filter-row{background:#f8fafc!important;border-bottom:1px solid #e2e8f0!important;flex-shrink:0!important;grid-template-columns:repeat(3,1fr)!important;gap:14px!important;padding:14px 24px!important;display:grid!important}.picker-filter-field{flex-direction:column!important;gap:5px!important;display:flex!important}.picker-filter-field label{color:#475569!important;text-transform:uppercase!important;letter-spacing:.4px!important;font-size:11px!important;font-weight:800!important}.picker-filter-field select{color:#0f172a!important;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:8px!important;outline:none!important;height:38px!important;padding:0 12px!important;font-size:13px!important;font-weight:650!important;transition:all .15s!important}.picker-filter-field select:focus{border-color:#2563eb!important;box-shadow:0 0 0 3px #2563eb26!important}.picker-search-bar{background:#fff!important;border-bottom:1px solid #f1f5f9!important;flex-shrink:0!important;align-items:center!important;gap:12px!important;padding:12px 24px!important;display:flex!important}.picker-search-bar input{border:1px solid #cbd5e1!important;border-radius:8px!important;outline:none!important;flex:1!important;height:40px!important;padding:0 14px!important;font-size:13.5px!important}.picker-search-bar input:focus{border-color:#2563eb!important;box-shadow:0 0 0 2px #2563eb1f!important}.picker-search-bar button{color:#334155!important;cursor:pointer!important;background:#f1f5f9!important;border:1px solid #cbd5e1!important;border-radius:8px!important;height:40px!important;padding:0 16px!important;font-size:12px!important;font-weight:750!important}.picker-results-summary{color:#64748b!important;background:#f8fafc!important;border-bottom:1px solid #e2e8f0!important;flex-shrink:0!important;padding:8px 24px!important;font-size:12px!important}.picker-questions-grid{background:#f1f5f9!important;flex:1!important;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))!important;grid-auto-rows:max-content!important;gap:16px!important;min-height:0!important;padding:20px 24px!important;display:grid!important;overflow-y:auto!important}.picker-question-card{cursor:pointer!important;background:#fff!important;border:1.5px solid #e2e8f0!important;border-radius:12px!important;flex-direction:column!important;transition:all .18s cubic-bezier(.16,1,.3,1)!important;display:flex!important;overflow:hidden!important;box-shadow:0 2px 6px #0000000a!important}.picker-question-card:hover{border-color:#2563eb!important;transform:translateY(-2px)!important;box-shadow:0 10px 22px #2563eb29!important}.picker-card-visual{box-sizing:border-box!important;background:#fff!important;border-bottom:1px solid #e2e8f0!important;justify-content:center!important;align-items:center!important;width:100%!important;height:180px!important;min-height:180px!important;padding:8px!important;display:flex!important;position:relative!important;overflow:hidden!important}.picker-card-visual img{object-fit:contain!important;width:auto!important;max-width:100%!important;height:auto!important;max-height:100%!important;display:block!important}.picker-card-placeholder{color:#94a3b8!important;font-size:13px!important;font-weight:700!important}.picker-badge-source{color:#fff!important;z-index:2!important;background:#0f172a!important;border-radius:6px!important;padding:3px 8px!important;font-size:11px!important;font-weight:800!important;position:absolute!important;top:8px!important;left:8px!important;box-shadow:0 2px 4px #00000040!important}.picker-badge-answer{color:#fff!important;z-index:2!important;background:#22c55e!important;border-radius:6px!important;padding:3px 8px!important;font-size:11px!important;font-weight:800!important;position:absolute!important;top:8px!important;right:8px!important}.picker-card-meta{background:#fff!important;flex-direction:column!important;gap:5px!important;padding:12px 14px!important;display:flex!important}.picker-meta-top{justify-content:space-between!important;align-items:center!important;display:flex!important}.picker-meta-top strong{color:#1e3a8a!important;font-size:13px!important;font-weight:800!important}.picker-meta-top span{color:#475569!important;background:#f1f5f9!important;border-radius:4px!important;padding:2px 8px!important;font-size:11.5px!important;font-weight:750!important}.picker-meta-unit{color:#1e293b!important;text-overflow:ellipsis!important;white-space:nowrap!important;margin:0!important;font-size:12.5px!important;font-weight:750!important;overflow:hidden!important}.picker-meta-outcome{color:#64748b!important;-webkit-line-clamp:2!important;line-clamp:2!important;-webkit-box-orient:vertical!important;min-height:30px!important;font-size:11.5px!important;line-height:1.35!important;display:-webkit-box!important;overflow:hidden!important}.btn-use-question{color:#fff!important;cursor:pointer!important;background:#2563eb!important;border:none!important;border-radius:8px!important;width:100%!important;margin-top:8px!important;padding:8px 12px!important;font-size:12px!important;font-weight:800!important;transition:all .15s!important}.picker-question-card:hover .btn-use-question{background:#1d4ed8!important;transform:translateY(-1px)!important}.picker-empty-state{text-align:center!important;color:#64748b!important;grid-column:1/-1!important;padding:60px 20px!important}.picker-empty-state p{color:#1e293b!important;margin:0 0 6px!important;font-size:15px!important;font-weight:800!important}.example-empty-picker-prompt{text-align:center!important;cursor:pointer!important;background:#3b82f60d!important;border:1.5px dashed #3b82f6!important;border-radius:10px!important;flex-direction:column!important;align-items:center!important;gap:3px!important;margin:8px 0!important;padding:12px 10px!important;transition:all .15s!important;display:flex!important}.example-empty-picker-prompt:hover{background:#3b82f61f!important;border-color:#1d4ed8!important;transform:scale(1.01)!important}.example-empty-picker-prompt .prompt-badge{color:#2563eb!important;background:#dbeafe!important;border-radius:4px!important;padding:2px 6px!important;font-size:9.5px!important;font-weight:800!important}.example-empty-picker-prompt b{color:#1e3a8a!important;font-size:12px!important;font-weight:800!important}.example-empty-picker-prompt small{color:#64748b!important;font-size:10px!important}.example-pool-picker-btn-row{gap:6px!important;margin:8px 0!important;display:flex!important}.btn-open-question-picker{color:#fff!important;cursor:pointer!important;background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;border:none!important;border-radius:8px!important;flex:1!important;padding:8px 12px!important;font-size:12px!important;font-weight:800!important;transition:all .15s!important;box-shadow:0 2px 8px #2563eb40!important}.btn-open-question-picker:hover{background:linear-gradient(135deg,#1d4ed8,#1e40af)!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px #2563eb59!important}.btn-remove-card-image{color:#dc2626!important;cursor:pointer!important;background:#fee2e2!important;border:1px solid #fca5a5!important;border-radius:8px!important;padding:8px 12px!important;font-size:11.5px!important;font-weight:750!important}.btn-remove-card-image:hover{color:#991b1b!important;background:#fecaca!important}.card-media-buttons-row{margin:6px 0!important}.pool-picker-trigger-btn{color:#1d4ed8!important;cursor:pointer!important;background:#eff6ff!important;border:1.5px solid #bfdbfe!important;border-radius:8px!important;width:100%!important;padding:7px 12px!important;font-size:12px!important;font-weight:750!important;transition:all .15s!important}.pool-picker-trigger-btn:hover{background:#dbeafe!important;border-color:#93c5fd!important}.image-btn-crop{color:#93c5fd!important;background:#3b82f666!important}.image-btn-crop:hover{color:#fff!important;background:#2563eb!important}.card-image-actions{gap:6px;margin-top:6px;display:flex}.card-crop-img-btn{color:#2563eb;cursor:pointer;background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;align-items:center;gap:4px;padding:5px 10px;font-size:11px;font-weight:750;transition:all .15s;display:inline-flex}.card-crop-img-btn:hover{background:#dbeafe;border-color:#93c5fd;transform:translateY(-1px)}.image-crop-modal-backdrop{z-index:99999!important;-webkit-backdrop-filter:blur(8px)!important;backdrop-filter:blur(8px)!important;background:#0a0f1dbf!important;justify-content:center!important;align-items:center!important;padding:16px!important;display:flex!important}.image-crop-modal{background:#fff;border-radius:20px;flex-direction:column;width:100%;max-width:780px;animation:.2s cubic-bezier(.16,1,.3,1) cropModalIn;display:flex;overflow:hidden;box-shadow:0 25px 60px -15px #0006,0 0 0 1px #ffffff1a}@keyframes cropModalIn{0%{opacity:0;transform:scale(.96)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.crop-modal-header{background:#f8fafc;border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;padding:16px 22px;display:flex}.crop-modal-title{align-items:center;gap:12px;display:flex}.crop-icon-badge{color:#2563eb;background:linear-gradient(135deg,#eff6ff,#dbeafe);border-radius:12px;place-items:center;width:38px;height:38px;font-size:18px;font-weight:800;display:grid;box-shadow:0 2px 6px #2563eb1f}.crop-modal-title h3{color:#0f172a;margin:0;font-size:16px;font-weight:800}.crop-modal-title p{color:#64748b;margin:2px 0 0;font-size:12px}.crop-close-btn{color:#94a3b8;cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;width:32px;height:32px;font-size:18px;font-weight:700;transition:all .15s;display:grid}.crop-close-btn:hover{color:#dc2626;background:#fee2e2}.crop-toolbar{background:#f1f5f9;border-bottom:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 20px;display:flex}.crop-ratios-group{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.toolbar-label{color:#475569;margin-right:2px;font-size:12px;font-weight:750}.ratio-btn{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:5px 11px;font-size:12px;font-weight:700;transition:all .15s}.ratio-btn:hover{background:#f8fafc;border-color:#94a3b8}.ratio-btn.active{color:#fff;background:#2563eb;border-color:#2563eb;box-shadow:0 2px 6px #2563eb40}.crop-tools-group{align-items:center;gap:8px;display:flex}.crop-action-btn{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:700;transition:all .15s;display:inline-flex}.crop-action-btn:hover{color:#0f172a;background:#f8fafc;border-color:#64748b}.crop-stage-container{-webkit-user-select:none;user-select:none;background:#0f172a radial-gradient(#ffffff14 1px,#0000 1px) 0 0/16px 16px;justify-content:center;align-items:center;min-height:380px;max-height:60vh;padding:24px;display:flex;position:relative;overflow:hidden}.crop-display-canvas{touch-action:none;border-radius:4px;position:relative;overflow:hidden;box-shadow:0 10px 30px #00000080}.crop-mask{pointer-events:none;z-index:2;background:#0f172ab8;position:absolute}.crop-selection-box{cursor:move;z-index:10;touch-action:none;box-sizing:border-box;border:2px solid #38bdf8;position:absolute;box-shadow:0 0 0 1px #fffc,0 0 15px #38bdf866}.crop-grid-h,.crop-grid-v{pointer-events:none;position:absolute}.crop-grid-h{background:#ffffff59;height:1px;left:0;right:0;box-shadow:0 0 2px #00000080}.crop-grid-h1{top:33.333%}.crop-grid-h2{top:66.666%}.crop-grid-v{background:#ffffff59;width:1px;top:0;bottom:0;box-shadow:0 0 2px #00000080}.crop-grid-v1{left:33.333%}.crop-grid-v2{left:66.666%}.crop-handle{z-index:20;background:#fff;border:2px solid #0284c7;border-radius:3px;width:12px;height:12px;position:absolute;box-shadow:0 2px 5px #0006}.handle-nw{cursor:nwse-resize;top:-6px;left:-6px}.handle-ne{cursor:nesw-resize;top:-6px;right:-6px}.handle-se{cursor:nwse-resize;bottom:-6px;right:-6px}.handle-sw{cursor:nesw-resize;bottom:-6px;left:-6px}.handle-n{cursor:ns-resize;top:-6px;left:50%;transform:translate(-50%)}.handle-e{cursor:ew-resize;top:50%;right:-6px;transform:translateY(-50%)}.handle-s{cursor:ns-resize;bottom:-6px;left:50%;transform:translate(-50%)}.handle-w{cursor:ew-resize;top:50%;left:-6px;transform:translateY(-50%)}.crop-dim-badge{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#e2e8f0;pointer-events:none;letter-spacing:.3px;background:#0f172ad9;border:1px solid #ffffff26;border-radius:5px;padding:3px 7px;font-size:11px;font-weight:700;position:absolute;bottom:6px;right:6px}.crop-loading-placeholder{color:#94a3b8;flex-direction:column;align-items:center;gap:12px;font-size:13px;display:flex}.crop-spinner{border:3px solid #ffffff26;border-top-color:#38bdf8;border-radius:50%;width:28px;height:28px;animation:.7s linear infinite cropSpin}@keyframes cropSpin{to{transform:rotate(360deg)}}.crop-modal-footer{background:#f8fafc;border-top:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 22px;display:flex}.crop-footer-hint{color:#64748b;font-size:12px}.crop-footer-hint span{color:#334155;font-weight:700}.crop-footer-buttons{align-items:center;gap:10px;display:flex}.crop-cancel-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:9px 18px;font-size:13px;font-weight:750;transition:all .15s}.crop-cancel-btn:hover{color:#0f172a;background:#f1f5f9}.crop-apply-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2563eb,#1d4ed8);border:0;border-radius:10px;padding:9px 22px;font-size:13px;font-weight:800;transition:all .18s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 14px #2563eb59}.crop-apply-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px #2563eb73}.crop-apply-btn:disabled{opacity:.6;cursor:not-allowed}.lesson-images-gallery,.lesson-inline-images-wrap{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;width:100%;display:flex}.lesson-inline-image-box{vertical-align:top;max-width:100%;display:inline-block}.card-images-list{flex-direction:column;gap:10px;margin-top:10px;margin-bottom:12px;display:flex}.card-image-item-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;gap:10px;padding:8px;display:flex;box-shadow:0 1px 3px #0000000a}.card-image-thumb-wrap{background:#f8fafc;border:1px solid #cbd5e1;border-radius:6px;flex-shrink:0;width:64px;height:64px;position:relative;overflow:hidden}.card-image-thumb{object-fit:cover;width:100%;height:100%}.card-image-scale-tag{color:#fff;text-align:center;background:#0f172abf;padding:1px 0;font-size:9px;font-weight:700;position:absolute;bottom:0;left:0;right:0}.card-image-item-details{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.card-image-actions{align-items:center;gap:6px;display:flex}.card-crop-img-btn,.card-scale-reset-btn{color:#334155;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:700;transition:all .15s}.card-crop-img-btn:hover,.card-scale-reset-btn:hover{color:#0f172a;background:#e2e8f0}.card-remove-img-btn{color:#dc2626;cursor:pointer;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:700;transition:all .15s}.card-remove-img-btn:hover{color:#b91c1c;background:#fee2e2}.card-image-align-row{color:#64748b;align-items:center;gap:4px;font-size:11px;font-weight:600;display:flex}.card-image-align-row button{color:#475569;cursor:pointer;background:#f8fafc;border:1px solid #cbd5e1;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.card-image-align-row button.active{color:#fff;background:#2563eb;border-color:#2563eb}.card-image-scale-slider{color:#475569;align-items:center;gap:8px;font-size:11px;font-weight:600;display:flex}.card-image-scale-slider input[type=range]{accent-color:#2563eb;flex:1;height:4px}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ease{syntax:"*";inherits:false}