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#9F1D32);border:1px solid var(--app-danger-border, #F6B8C2)}.manual-status{background:var(--app-success-surface, #EBF9F3);color:var(--app-success-text, #166547);border:1px solid var(--app-success-border, #A7E0C7)}.manual-layout{display:grid;grid-template-columns:288px minmax(0,1fr);grid-template-areas:"questions editor";gap:20px;width:100%;min-inline-size:0;max-width:1520px;border:0;margin:auto;padding:18px 24px 28px;align-items:start}.manual-sidebar{display:contents}.manual-question-list{grid-area:questions;position:sticky;top:16px;min-width:0;min-height:430px;display:flex;flex-direction:column;padding:14px;border:1px solid var(--manual-border);border-radius:16px;background:var(--app-surface, #FFFFFF);box-shadow:0 2px 10px #172b300a}.manual-question-list-head{display:flex;flex-direction:column;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--manual-border)}.manual-question-list-head 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button{width:36px;height:36px;min-height:36px;padding:0;border-radius:10px}.manual-canvas{position:relative;padding:16px 18px;border-radius:16px;background:var(--app-surface, #FFFFFF);border:1px solid var(--manual-border);box-shadow:0 2px 10px #172b300a}.manual-question-input{width:100%;min-height:110px;padding:20px;resize:none;overflow-y:hidden;background:var(--app-surface, #FFFFFF);color:var(--app-text, #172B30);border:1.5px solid var(--app-border, #D8E2DB);border-radius:14px;font-size:var(--type-heading)!important;font-weight:700;text-align:center;line-height:1.45;box-shadow:none}.manual-question-input::-moz-selection{background:#bfdbfe;color:#1e3a8a}.manual-question-input::selection{background:#bfdbfe;color:#1e3a8a}.manual-question-input::-moz-placeholder{color:var(--app-text-muted, #66797E);opacity:1}.manual-question-input::placeholder{color:var(--app-text-muted, 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p{margin:0;font-size:var(--type-label);line-height:1.5}.manual-audio-intro>span{padding:5px 10px;border-radius:8px;background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53);border:1px solid var(--app-border, #D8E2DB);font-size:var(--type-caption);font-weight:700}.manual-audio-sources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:4px;border:1px solid var(--app-border, #D8E2DB);border-radius:12px;background:var(--app-surface, #FFFFFF)}.manual-audio-sources button{min-width:0;padding:9px 5px;border-color:transparent;background:transparent;font-size:var(--type-label);white-space:nowrap}.manual-audio-sources button[aria-pressed=true]{background:var(--app-primary, #174D53);color:var(--app-primary-text, #FFFFFF);box-shadow:0 1px 4px #174d5333;border-color:var(--app-primary, #174D53)}.manual-audio-library{display:grid;gap:12px;min-width:0}.manual-audio-library-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.manual-audio-library-heading h3{margin:0;font-size:var(--type-label);font-weight:600}.manual-audio-dialog .manual-audio-refresh{width:36px;min-height:36px;padding:8px}.manual-audio-refresh .is-loading{animation:manual-audio-refresh-spin 1s linear infinite}@keyframes manual-audio-refresh-spin{to{transform:rotate(360deg)}}.manual-audio-dialog .manual-audio-empty{padding:20px 16px;border:1px dashed var(--app-border, #D8E2DB);border-radius:12px;text-align:center;font-size:var(--type-label)}.manual-audio-file-list{display:grid;gap:8px;max-height:184px;overflow:auto;padding:3px}.manual-audio-file-list label{display:flex;align-items:center;gap:10px;min-width:0;min-height:48px;padding:10px 12px;border:1px solid var(--app-border, #D8E2DB);border-radius:12px;font-size:var(--type-label);cursor:pointer}.manual-audio-file-list label.is-selected{border-color:var(--app-primary, #174D53);background:var(--app-accent-soft, #E8F3F1)}.manual-audio-file-list input{width:16px;height:16px;accent-color:var(--app-primary, #174D53);flex-shrink:0}.manual-audio-file-list svg{color:var(--app-accent-text, #174D53);flex-shrink:0}.manual-audio-file-list label>span{min-width:0;overflow-wrap:anywhere}.manual-audio-capture{display:grid;justify-items:center;align-content:center;gap:12px;min-height:170px;padding:20px 12px;border:1.5px dashed var(--app-border, #D8E2DB);border-radius:14px;background:var(--app-surface, #FFFFFF);text-align:center}.manual-audio-capture-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53)}.manual-audio-formats{color:var(--app-text-secondary, #52656A);font-size:var(--type-caption);line-height:1.5}.manual-audio-timer{color:var(--app-text-secondary, #52656A);font-size:var(--type-label);font-variant-numeric:tabular-nums}.manual-audio-capture.is-recording{background:var(--app-danger-surface, #FFF1F2);border-color:var(--app-danger-border, #F6B8C2)}.manual-audio-capture.is-recording .manual-audio-capture-icon{color:var(--app-danger-text, #9F1D32);background:var(--app-danger-surface, #FFF1F2)}.manual-audio-dialog .manual-audio-stop{color:var(--app-danger-text, #9F1D32);border-color:var(--app-danger-border, #F6B8C2)}.manual-audio-preview{display:grid;gap:10px;padding:12px;border:1px solid var(--app-border, #D8E2DB);border-radius:12px;background:var(--app-surface, #FFFFFF)}.manual-audio-preview>div{display:flex;align-items:center;gap:8px;color:var(--app-accent-text, #174D53);min-width:0}.manual-audio-preview strong{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--app-text, #172B30);font-size:var(--type-label)}.manual-audio-preview>div>span{flex-shrink:0;font-size:var(--type-caption);font-variant-numeric:tabular-nums}.manual-audio-preview audio{width:100%;min-width:0;height:40px}.manual-audio-dialog .manual-audio-slot-note{margin:-6px 0 0;font-size:var(--type-caption);line-height:1.5}.manual-audio-notice{display:flex;align-items:flex-start;gap:8px;padding:10px 12px;border:1px solid var(--app-border, #D8E2DB);border-radius:10px;background:var(--app-surface, #FFFFFF);color:var(--app-text-secondary, #52656A)}.manual-audio-notice svg{flex-shrink:0;margin-top:2px}.manual-audio-dialog .manual-audio-notice p{margin:0;font-size:var(--type-caption);line-height:1.5}.manual-audio-dialog .manual-audio-status{font-size:var(--type-label);line-height:1.5}.manual-audio-dialog .manual-audio-error{color:var(--app-danger-text, #9F1D32);padding:10px 12px;border-radius:10px;background:var(--app-danger-surface, #FFF1F2);font-size:var(--type-label);line-height:1.5}.manual-audio-footer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px 24px;border-top:1px solid var(--app-border, #D8E2DB);background:var(--app-surface, #FFFFFF)}.manual-question-media-toolbar{position:relative;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:12px;color:var(--app-text-secondary, #52656A)}.manual-question-media-toolbar>span{font-size:var(--type-caption);font-weight:600}.manual-canvas .manual-audio-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.manual-canvas .manual-audio-actions button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;min-height:36px;padding:0 12px;border-radius:10px;border:1px solid var(--app-border, #D8E2DB);background:var(--app-surface, #FFFFFF);color:var(--app-text, #172B30);font-size:13px;font-weight:600;white-space:nowrap}.manual-canvas .manual-audio-actions button>svg{flex-shrink:0;color:var(--app-text-secondary, #52656A)}.manual-canvas .manual-audio-actions button:hover:not(:disabled){background:var(--app-accent-soft, #E8F3F1);border-color:var(--app-primary, #174D53);color:var(--app-accent-text, #174D53)}.manual-canvas .manual-audio-actions button:hover:not(:disabled)>svg{color:var(--app-accent-text, #174D53)}.manual-canvas .manual-audio-actions button:disabled{opacity:.5}.manual-canvas .manual-audio-actions .manual-audio-remove{width:36px;padding:0}@media(max-width:600px){.manual-confirm-dialog.manual-audio-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);border-radius:16px}.manual-audio-dialog h2{padding:18px 56px 10px 18px;font-size:var(--type-card-title)}.manual-audio-dialog .manual-audio-close{top:12px;right:12px}.manual-audio-body{max-height:calc(100dvh - 178px);padding:0 18px 16px;gap:14px}.manual-audio-sources button{flex-direction:column;gap:5px;min-height:54px;font-size:var(--type-caption)}.manual-audio-capture{min-height:150px;padding:16px 12px}.manual-audio-footer{padding:14px 18px;gap:10px}}@media(prefers-reduced-motion:reduce){.manual-audio-refresh .is-loading{animation:none}}.manual-image-dialog .manual-audio-sources{grid-template-columns:repeat(2,minmax(0,1fr))}.manual-image-preview{display:grid;place-items:center;padding:12px;border:1px solid var(--app-border, #D8E2DB);border-radius:14px;background:var(--app-surface, #FFFFFF)}.manual-image-preview img{display:block;max-width:100%;max-height:240px;-o-object-fit:contain;object-fit:contain;border-radius:10px}.manual-image-dialog .manual-audio-file-list{margin-top:10px}.manual-canvas .manual-audio-actions{flex-wrap:wrap}.manual-image-actions,.manual-audio-group{display:inline-flex;align-items:center;gap:6px}.media-picker{width:min(620px,calc(100vw - 24px))}.media-picker-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}.media-picker-head>div{flex:1;min-width:0}.media-picker-head p{margin:0;font-weight:600}.media-picker-head small{display:block;margin-top:4px;color:var(--app-text-secondary)}.manual-editor .media-picker button,.media-picker button{border-radius:var(--radius-control, 12px);min-height:44px}.media-picker-head>button{width:44px;padding:0;flex-shrink:0}.media-picker-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.manual-editor .media-picker-grid>button,.media-picker-grid>button{display:grid;grid-template-columns:44px minmax(0,1fr);align-items:center;gap:4px 12px;padding:16px;text-align:left;border:1px solid var(--app-border);background:var(--app-surface);color:var(--app-text)}.media-picker-grid>button:hover{border-color:var(--app-primary);background:var(--app-surface-soft)}.media-picker-icon{grid-row:span 2;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--app-accent-soft);color:var(--app-accent-text)}.media-picker-grid strong{font-size:var(--type-label);overflow-wrap:anywhere}.media-picker-grid small{color:var(--app-text-secondary)}.media-picker-body{display:grid;gap:16px}.media-picker-body label{display:grid;gap:6px;font-weight:600}.media-picker-body :is(input,textarea){width:100%;min-width:0;min-height:44px;padding:10px 12px;border:1px solid var(--app-border);border-radius:12px;color:var(--app-text);background:var(--app-surface);font:inherit}.media-picker-body textarea{min-height:100px;resize:vertical}.media-picker-times{display:grid;grid-template-columns:1fr 1fr;gap:12px}.media-picker-body>:is(video,img){width:100%;max-height:280px;-o-object-fit:contain;object-fit:contain;border-radius:12px}.media-picker-upload{position:relative;display:grid;justify-items:center;gap:8px;padding:28px 16px;border:1px dashed var(--app-border);border-radius:12px;color:var(--app-text-secondary);text-align:center}.media-picker-upload input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.manual-editor .media-picker .media-picker-replace,.media-picker .media-picker-replace{margin:0 0 16px;padding:12px 14px;border:1px solid var(--app-border);border-radius:12px;background:var(--app-surface-soft);color:var(--app-text-secondary);font-size:var(--type-label);line-height:1.5}.media-picker-error{color:var(--app-danger-text)}.manual-editor .media-picker .media-picker-primary,.media-picker .media-picker-primary{background:var(--app-primary);color:var(--app-primary-text);border-color:var(--app-primary);padding:10px 16px}@media(max-width:440px){.media-picker-grid{gap:8px}.manual-editor .media-picker-grid>button,.media-picker-grid>button{grid-template-columns:1fr;padding:12px;gap:8px}.media-picker-icon{grid-row:auto}}.math-input-field{position:relative;min-width:0;width:100%;grid-column:1;grid-row:1}.math-input-tools{display:none!important;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:6px;margin-bottom:6px}.math-input-field:focus-within>.math-input-tools{display:none!important}.manual-editor .math-input-tools button{min-height:30px;padding:4px 8px;font-size:13px}.math-input-panel{position:absolute;top:34px;left:0;z-index:30;width:min(360px,100%);padding:12px;background:var(--app-surface);border:1px solid var(--app-border);border-radius:10px;display:flex;flex-wrap:wrap;gap:8px;box-shadow:0 6px 20px #0002}.math-input-symbols{display:flex;flex-wrap:wrap;gap:4px;width:100%}.math-input-panel input{width:100%;min-height:38px;color:var(--app-text);background:var(--app-surface);border:1px solid var(--app-border);padding:8px}.math-input-field>textarea{width:100%}.manual-editor:not(.manual-preview) .manual-answer>.math-input-field{grid-column:1;grid-row:1}.manual-editor:not(.manual-preview) .manual-answer>.math-input-field>textarea{min-height:40px;padding:4px;text-align:left}.manual-confirm-dialog.math-equation-dialog{width:min(760px,calc(100vw - 24px));max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto;box-sizing:border-box}.math-equation-field math-field{display:block;width:100%;min-height:70px;padding:12px;font-size:24px;border:1px solid var(--app-border);border-radius:8px;background:var(--app-surface);color:var(--app-text)}.math-equation-templates{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.math-equation-dialog textarea{width:100%;min-height:64px;padding:10px;border:1px solid var(--app-border);background:var(--app-surface);color:var(--app-text)}.math-equation-preview,.math-input-rendered{padding:8px;overflow-x:auto;color:var(--app-text)}.math-input-rendered{border-top:1px dashed var(--app-border);font-weight:400}.math-equation-dialog{padding:20px;border-radius:16px}.math-equation-dialog .manual-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.math-equation-dialog .manual-dialog-header h2{margin:0;font-size:20px}.math-equation-dialog button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 14px;border:1px solid var(--app-border);border-radius:8px;background:var(--app-surface);color:var(--app-text);font:inherit;cursor:pointer}.math-equation-dialog button:hover:not(:disabled){border-color:var(--app-primary);background:var(--app-accent-soft)}.math-equation-dialog button:focus-visible{outline:2px solid var(--app-primary);outline-offset:2px}.math-equation-dialog button:disabled{opacity:.45;cursor:not-allowed}.math-equation-dialog .math-equation-close{width:36px;min-height:36px;padding:0;flex-shrink:0}.math-equation-dialog .math-equation-templates{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;padding:12px;border:1px solid var(--app-border);border-radius:10px;background:var(--app-surface-soft)}.math-equation-templates button{height:46px;padding:4px;font-size:22px;font-family:Georgia,serif}.math-equation-preview{min-height:64px;display:flex;align-items:center;justify-content:center;border:1px solid var(--app-border);border-radius:8px;font-size:24px;margin:12px 0}.math-equation-source{margin:12px 0;font-size:13px;color:var(--app-text-secondary)}.math-equation-source summary{cursor:pointer;padding:8px 0}.math-equation-source textarea{font-family:monospace;border-radius:8px;margin-top:4px;resize:vertical}.math-equation-dialog .manual-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px;padding-top:12px;border-top:1px solid var(--app-border)}.math-equation-dialog .manual-primary{background:var(--app-primary);border-color:var(--app-primary);color:#fff}.math-equation-dialog .manual-primary:hover:not(:disabled){background:var(--app-primary-hover);color:#fff}.math-equation-field{min-width:0;overflow-x:auto}.math-equation-dialog .math-equation-templates button{min-width:0;margin:0;line-height:1}.math-equation-dialog .manual-confirm-actions>button{min-width:110px}.manual-fill-question>.math-input-tools{margin-top:8px}@media(max-width:600px){.math-equation-dialog{padding:16px}.math-equation-dialog .manual-dialog-header h2{font-size:17px}.math-equation-dialog .math-equation-templates{grid-template-columns:repeat(5,minmax(0,1fr));padding:8px;gap:6px}.math-equation-templates button{height:42px;font-size:20px}.math-equation-dialog .manual-confirm-actions>button{flex:1}}