.fb-header{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px}.fb-header h1{margin:8px 0 0;font-size:30px}.fb-eyebrow{font-size:10px;letter-spacing:.16em;color:#8c5f44;font-weight:800}.fb-library{display:flex;gap:10px;align-items:end;flex-wrap:wrap;padding:16px 20px;background:#fff;border:1px solid #e4e5df;border-radius:12px;margin-bottom:22px}.fb-library label{display:grid;gap:6px;font-size:12px;color:#73746d;flex:1;min-width:180px}.fb-library select{width:100%;min-height:38px;border:1px solid #dbddd5;border-radius:7px;padding:6px 10px;background:#fff}.fb-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:24px;align-items:start}.fb-palette{position:sticky;top:75px;max-height:calc(100vh - 95px);overflow-y:auto;background:#fff;border:1px solid #e4e5df;border-radius:12px;padding:15px}.fb-palette h3{font-size:11px;color:#7e8079;letter-spacing:.03em;margin:18px 4px 10px}.fb-palette h3:first-child{margin-top:3px}.fb-palette button{display:flex;gap:8px;width:100%;background:transparent;border:0;border-radius:6px;text-align:left;font:inherit;font-size:12px;padding:9px 6px;cursor:pointer;color:#3f423a}.fb-palette button:hover{background:#f7eee6;color:#ad4c27}.fb-palette button>span{color:#b2aa9d}.fb-canvas{display:grid;gap:18px;min-width:0}.fb-cover,.fb-ending,.fb-block{background:#fff;border:1px solid #dfe2da;border-radius:12px;overflow:hidden}.fb-cover,.fb-ending{padding:24px}.fb-cover{border-top:4px solid #b9613e}.fb-label{display:grid;gap:8px;font-size:12px;font-weight:600;margin:15px 0;color:#44483f}.fb-label input,.fb-label textarea,.fb-label select{box-sizing:border-box;width:100%;padding:11px 12px;border:1px solid #dce0d6;border-radius:7px;font:inherit;font-weight:400;background:#fff;color:#242822;min-width:0}.fb-label textarea{resize:vertical;line-height:1.7}.fb-label input[type=file]{padding:8px}.fb-label input:focus,.fb-label textarea:focus,.fb-label select:focus{outline:2px solid #c47f53;outline-offset:2px}.fb-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.fb-block.selected{border-color:#c47f53;box-shadow:0 0 0 1px #c47f53}.fb-block-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 15px;background:#f7f8f4;border-bottom:1px solid #e8eae3}.fb-block-head button{border:0;background:transparent;font:inherit;cursor:pointer}.fb-block-title{display:flex;gap:9px;align-items:center;font-size:12px!important;font-weight:700!important}.fb-block-title span{background:#e9e4db;color:#856245;padding:5px;border-radius:4px;font-size:10px}.fb-block-actions{display:flex;gap:2px}.fb-block-actions button{font-size:11px;padding:7px;color:#7a8070}.fb-block-actions button:disabled{opacity:.25;cursor:default}.fb-block-content{padding:5px 24px 20px}.fb-required{display:flex;gap:8px;align-items:center;font-size:12px;margin:18px 0}.fb-required input{accent-color:#aa5b36;width:16px;height:16px}.fb-settings{font-size:12px;border-top:1px solid #e8eae3;padding-top:14px;margin-top:16px}.fb-settings summary{cursor:pointer;color:#6d7563}.fb-url{display:flex;gap:8px}.fb-url input{flex:1;min-width:0}.fb-empty{text-align:center;padding:60px 25px;border:1px dashed #ccd1c2;border-radius:12px;color:#7b8371}.fb-empty>span{font-size:40px}.fb-empty h2{font-size:18px;color:#535c49}.fb-empty p{font-size:13px}.fb-legacy{margin-top:35px;border-top:1px solid #dfe2da;padding-top:18px}.fb-legacy summary{cursor:pointer;font-size:13px;color:#6d7563;margin-bottom:18px}.fb-local-note{margin-top:22px}.fb-preview,.fb-student{max-width:760px;margin:0 auto;background:#fff;border:1px solid #e0e4da;border-radius:14px;padding:30px}.fb-preview-top{display:flex;justify-content:space-between;border-bottom:1px solid #e7e9e1;padding-bottom:18px;margin-bottom:26px;font-size:12px;color:#7b8371}.fb-preview h2{font-size:25px}.fb-answer-block{margin:24px 0}.fb-answer-block[hidden],.fb-answer-block [hidden]{display:none!important}.fb-description p,.fb-section p,.fb-question-help{white-space:pre-wrap;line-height:1.8}.fb-question-help{font-size:13px;color:#77806d;margin:0 0 15px}.fb-section{padding:20px 0;border-top:2px solid #d6ddcc}.fb-section>span{font-size:10px;letter-spacing:.15em;color:#8f9c80}.fb-section h2{margin:8px 0}.fb-scale{display:flex;gap:8px;flex-wrap:wrap}.fb-scale label{cursor:pointer;position:relative}.fb-scale input{position:absolute;opacity:0}.fb-scale span{display:grid;place-items:center;min-width:44px;min-height:44px;border:1px solid #d1d7c8;border-radius:7px}.fb-scale input:checked+span{background:#596d43;color:#fff;border-color:#596d43}.fb-scale input:focus-visible+span{outline:3px solid #bd7447;outline-offset:2px}.fb-link{display:flex;justify-content:space-between;gap:20px;padding:18px;border:1px solid #dce2d3;border-radius:8px;color:#63714f}.fb-video{width:100%;min-height:230px;aspect-ratio:16/9;border:0;display:block}.fb-material-preview{margin:15px 0}.fb-material-preview img,.fb-material-preview video,.fb-answer-block img,.fb-answer-block video{max-width:100%}.fb-student>header p{white-space:pre-wrap;color:#6d7563}.fb-student select,.fb-student input[type=number],.fb-preview select,.fb-preview input[type=number]{padding:12px;width:100%;border:1px solid #dce0d6;border-radius:7px;font:inherit}.fb-preview .capture-tools{display:none}.fb-library-student{margin-top:30px}
@media(max-width:850px){.fb-layout{grid-template-columns:145px minmax(0,1fr);gap:14px}.fb-palette{padding:9px}.fb-block-content,.fb-cover,.fb-ending{padding:16px}.fb-block-head{flex-wrap:wrap}.fb-header h1{font-size:26px}}
@media(max-width:600px){.fb-layout{display:flex;flex-direction:column}.fb-palette{position:static;max-height:none;width:100%;box-sizing:border-box;display:grid;grid-template-columns:1fr 1fr}.fb-palette h3{grid-column:1/-1}.fb-canvas{width:100%}.fb-grid{grid-template-columns:1fr;gap:0}.fb-preview,.fb-student{padding:18px}.fb-header>.row{width:100%;gap:8px}.fb-header .btn{font-size:12px}.fb-block-content{padding:12px}.fb-video{min-height:180px}}

.fb-drive-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;background:#edf3e7;border:1px solid #d7e2cc;border-radius:10px;padding:16px 20px;margin:18px 0}.fb-drive-bar b{display:block;font-size:13px}.fb-drive-bar .hint{display:block}.fb-cloud-status{padding:12px;background:#f5f6f0;border-radius:8px;font-size:12px;display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.fb-cloud-status a{color:#506e35}

/* Form authoring surface: content first, controls beside each block. */
.crm-view:has(.fb-layout){background:#f6f6fa}.crm-view:has(.fb-layout) #main{max-width:1180px;margin:auto;padding-top:30px}.fb-header{margin-bottom:20px}.fb-header h1{font-size:27px;letter-spacing:-.045em}.fb-eyebrow{color:#8b7c9c}.fb-header .btn.dark{background:#6d4eff;border-color:#6d4eff;border-radius:10px}.fb-library{box-shadow:none;border-color:#e7e6ec;margin-bottom:12px}.fb-connection{font-size:12px;color:#787183;margin:10px 0 22px}.fb-connection>summary{cursor:pointer;width:fit-content;padding:4px 0}.fb-drive-bar{background:#f1eef8;border-color:#e2ddef}.fb-layout{grid-template-columns:190px minmax(0,760px);justify-content:center;gap:25px}.fb-palette{background:#fff;border-color:#e6e3ec;border-radius:12px;padding:17px 12px}.fb-palette h3{font-size:11px;font-weight:600;color:#9b93a7;margin-top:22px}.fb-palette button{font-size:12px;min-height:40px;align-items:center;padding:8px 9px}.fb-palette button>span{color:#6d4eff;display:grid;place-items:center;width:24px;font-size:18px}.fb-palette button:hover{background:#f1edff;color:#5e43db}.fb-palette details{margin-top:12px}.fb-palette summary{font-size:12px;color:#8a8195;cursor:pointer;padding:8px 10px}.fb-cover{border-top:3px solid #8b73f2}.fb-cover,.fb-ending,.fb-block{border-color:#e5e1ed;border-radius:13px;box-shadow:0 3px 14px #34264a03}.fb-block.selected{border-color:#9c87ef;box-shadow:0 0 0 2px #efebff}.fb-block-head{background:white;border-bottom:1px solid #f0edf5;padding:12px 20px}.fb-block-title span{background:#eee9ff;color:#7155c7;border-radius:5px;min-width:25px}.fb-block-actions button{color:#96909d}.fb-block-actions button:hover{color:#6d4eff;background:#f5f1ff}.fb-block-content{padding:6px 27px 24px}.fb-label{font-size:11px;color:#9990a6;font-weight:500}.fb-label input,.fb-label textarea,.fb-label select{border-color:#e7e1ed;font-size:14px;color:#332d3f}.fb-label input[data-fb-prop=label]{font-size:18px;font-weight:650;letter-spacing:-.03em;border:0;border-radius:0;padding:7px 0;border-bottom:1px solid #eeebf3;background:transparent}.fb-label textarea{min-height:90px}.fb-label input:focus,.fb-label textarea:focus,.fb-label select:focus{outline-color:#b5a2ef}.fb-dropzone{border:1.5px dashed #d6cbe9;background:#faf8ff;border-radius:12px;padding:22px 16px;display:grid;justify-items:center;gap:10px;margin:19px 0}.fb-dropzone.drag-over{border-color:#6d4eff;background:#eee8ff}.fb-upload-button{position:relative;display:flex;align-items:center;gap:12px;color:#654bb5;background:#fff;border:1px solid #ded5ef;padding:12px 22px;border-radius:9px;cursor:pointer;font-size:13px;overflow:hidden}.fb-upload-button>span{font-size:20px}.fb-upload-button input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.fb-upload-button:focus-within{outline:3px solid #b6a0ec;outline-offset:3px}.fb-dropzone small{font-size:11px;color:#a297ae}.fb-source-link{font-size:12px;color:#8b8096;margin:15px 0}.fb-source-link summary{cursor:pointer}.fb-material-preview .sound-source{background:#f7f4ff;border:1px solid #e7dff4;border-radius:12px;padding:18px}.fb-material-preview audio{width:100%;min-height:44px}.fb-material-preview .sound-source-label{color:#5b4476}.fb-response-placeholder{border:1px dashed #d9d6df;background:#f9f9fb;border-radius:9px;padding:20px;font-size:12px;color:#aaa2b4;text-align:center;margin:12px 0}.fb-settings{border-color:#f0ecf5}.fb-required input{accent-color:#6d4eff}.fb-insert-row{border-top:1px solid #f0edf5;display:flex;align-items:center;justify-content:center;gap:5px;padding:11px;flex-wrap:wrap;background:#fefeff}.fb-insert-row span{font-size:10px;color:#ada5b8;margin-right:5px}.fb-insert-row button{border:0;background:transparent;color:#8b7b9d;padding:5px 9px;font:inherit;font-size:11px;cursor:pointer;border-radius:5px}.fb-insert-row button:hover{background:#f1ebff;color:#6d4eff}.fb-cloud-status{background:#f7f6fa;font-size:11px;color:#8b8196}.fb-preview{border-color:#e7e0ef;box-shadow:0 12px 45px #57416b08;padding:40px}.fb-preview .fb-section{border-color:#ded3f5}.fb-preview .sound-source{border-radius:12px}.fb-preview .fb-answer-block{margin:30px 0}.fb-preview .capture-tools{display:none}.fb-library select:focus{outline-color:#b6a0ec}@media(max-width:850px){.fb-layout{grid-template-columns:150px minmax(0,1fr);gap:15px}.fb-block-content{padding:5px 20px 20px}}@media(max-width:600px){.fb-layout{display:flex}.fb-palette{display:grid;grid-template-columns:1fr 1fr;width:100%}.fb-palette details{grid-column:1/-1}.fb-cover,.fb-ending{padding:20px}.fb-block-content{padding:5px 16px 18px}.fb-preview{padding:20px}.fb-insert-row span{display:none}}

/* Walla-inspired authoring: document canvas and persistent field outline. */
body:has(.fb-workspace){--fb-accent:#56aeb9;background:#f8fafb;color:#303943;font-family:var(--font)}
body:has(.fb-workspace)>#sidebar,body:has(.fb-workspace)>.prototype,body:has(.fb-workspace) #header,body:has(.fb-workspace) .app>footer{display:none!important}
body:has(.fb-workspace) .app{margin:0!important;padding:0!important}
body:has(.fb-workspace) #main{max-width:none!important;margin:0!important;padding:0!important;min-height:100vh;outline:none}
.fb-workspace{font-size:13px;min-height:100vh;padding-top:64px;background:#f9fbfc}
.fb-workspace button,.fb-workspace a,.fb-workspace input,.fb-workspace select,.fb-workspace textarea{transition:background-color .15s,border-color .15s}
.fb-topbar{height:64px;position:fixed;top:0;left:0;right:0;z-index:30;background:#fff;border-bottom:1px solid #e9edf0;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:20px}
.fb-breadcrumb{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.fb-breadcrumb strong{color:#2d7182;white-space:nowrap;font-size:14px}.fb-breadcrumb>span{color:#b1b8bf}.fb-back{font-size:27px;color:#80909c;line-height:1}.fb-breadcrumb select{font-size:12px;border:0;background:transparent;padding:6px 20px 6px 0;color:#45515e;max-width:280px;text-overflow:ellipsis;cursor:pointer}
.fb-tabs{display:flex;align-items:center;gap:3px;background:#f6f7f9;padding:4px;border-radius:7px}.fb-tabs button{font-size:12px;border-radius:5px;padding:7px 15px;color:#8b929a;white-space:nowrap}.fb-tabs button:hover{color:#384957}.fb-tabs button.active{background:#fff;color:#253544;box-shadow:0 1px 4px #1e38400d}
.fb-top-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex:1}.fb-top-actions #fb-save-state{font-size:11px;color:#9da6ad;white-space:nowrap}.fb-top-actions #fb-save-state:before{content:'';display:inline-block;background:#74c6a0;width:5px;height:5px;border-radius:50%;margin-right:6px}.fb-workspace .btn.dark{background:#3977ed;border-color:#3977ed;color:white;border-radius:6px;box-shadow:none;font-size:12px;padding:9px 16px;min-height:36px;white-space:nowrap}.fb-workspace .btn.secondary{border:1px solid #e5e9ec;background:#fff;color:#56656f;border-radius:6px;box-shadow:none;font-size:12px}.fb-top-actions .fb-undo{font-size:21px;color:#6d8492}
.fb-workspace>#fb-error:empty{display:none}.fb-workspace>#fb-error:not(:empty){position:sticky;top:64px;z-index:20;margin:0;padding:12px 30px 12px 290px;background:#fff3ee;color:#ba573d;font-size:13px}
.fb-workspace .fb-layout{display:block;margin:0;padding:0}.fb-outline{position:fixed;left:14px;top:80px;bottom:16px;width:232px;z-index:10;background:#fff;border:1px solid #e4e9ed;border-radius:9px;box-shadow:0 2px 4px #22344709;display:flex;flex-direction:column;overflow:hidden}
.fb-outline-heading{padding:17px 15px 12px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#65747f}.fb-outline-heading b{font-weight:500}.fb-outline-heading b>span{color:#aab3bc;font-size:10px;margin-left:5px}.fb-outline-heading button{background:#f5f7f8;border-radius:5px;width:25px;height:25px;font-size:20px;color:#71818f;display:grid;place-items:center;line-height:1}
.fb-outline nav{flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;padding:0 7px}.fb-outline-cover{text-align:left;padding:10px 14px;margin:0 7px 6px;color:#7a838d;font-size:11px;border-bottom:1px solid #eef1f3}
.fb-outline-row{display:flex;align-items:center;border-radius:5px;margin:2px 0;min-height:36px;border:1px solid transparent}.fb-outline-row:hover{background:#f6f9fb}.fb-outline-row.active{background:#eff7fa;border-color:#dfedf2}.fb-outline-row.section{margin-top:12px;border-top:1px solid #eef1f3;border-radius:0;padding-top:5px}.fb-outline-row.drag-over{border-top:2px solid #62b4bf;background:#eef8f9}
.fb-outline-item{display:flex;align-items:center;gap:9px;text-align:left;width:calc(100% - 20px);padding:8px 6px;color:#56626e;font-size:11px;min-width:0}.fb-outline-item>[data-fb-outline-label]{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.fb-grip{font-size:15px;color:#bcc6cc;cursor:grab;opacity:0}.fb-outline-row:hover .fb-grip{opacity:1}.fb-type-badge{font-size:10px!important;display:inline-flex!important;gap:4px;align-items:center;justify-content:center;flex-shrink:0;min-width:30px!important;height:19px;padding:2px 5px!important;border-radius:4px!important;color:#6b7aa5!important;background:#f0effb!important;font-weight:500!important}.fb-type-badge[data-kind=text],.fb-type-badge[data-kind=section]{color:#b99254!important;background:#fbf5e9!important}.fb-type-badge[data-kind=audioSource],.fb-type-badge[data-kind=audio]{color:#4b9b9c!important;background:#edf8f6!important}.fb-type-badge[data-kind=imageSource],.fb-type-badge[data-kind=videoSource]{color:#bd739c!important;background:#faf0f6!important}.fb-outline-ending{padding:10px 16px;border-top:1px solid #eef1f3;font-size:11px;color:#8d9ca6}.fb-outline-foot{border-top:1px solid #eef1f3;padding:12px 16px;display:grid;gap:4px;color:#acb5bc;font-size:10px}.fb-outline-foot button{text-align:left;color:#8c9ba8;font-size:10px;padding:0}
.fb-canvas-wrap{margin-left:260px;padding:24px 42px 80px;min-height:calc(100vh - 64px)}.fb-canvas-toolbar{max-width:860px;margin:0 auto 17px;display:flex;justify-content:space-between;align-items:center;color:#939fa7;font-size:11px}.fb-canvas-toolbar button{font-size:11px;color:#7c8993;background:#fff;border:1px solid #eaf0f2;border-radius:5px;padding:6px 10px}.fb-status-dot{display:inline-block;width:4px;height:4px;background:#6cbda5;border-radius:50%;margin:0 5px 2px 13px}
.fb-workspace .fb-canvas{max-width:860px;margin:0 auto;display:block;background:#fff;border:1px solid #edf0f2;border-radius:8px;padding:32px 64px 40px;box-shadow:0 2px 10px #29465802}
.fb-workspace .fb-cover,.fb-workspace .fb-ending{padding:24px 20px 35px;border:0;border-radius:0;box-shadow:none;background:transparent}.fb-cover-label{display:block;color:#b1b9bf;font-size:10px;margin:0 0 18px}.fb-workspace #fb-title{font-size:27px;font-weight:650;letter-spacing:-.8px;color:#333f49;border:0;background:transparent;display:block;width:100%;padding:0 0 14px;border-radius:0}.fb-workspace #fb-desc,.fb-workspace #fb-ending{font-size:13px;line-height:1.8;border:0;background:transparent;display:block;width:100%;resize:vertical;min-height:52px;padding:0;color:#77838d}.fb-workspace #fb-title::placeholder,.fb-workspace textarea::placeholder{color:#c1c8cf;font-weight:400}.fb-workspace input:focus,.fb-workspace textarea:focus{outline:0;box-shadow:0 1px 0 #83c2ca!important}.fb-workspace select:focus{outline:2px solid #b3dce2;outline-offset:2px}
.fb-workspace .fb-block{border:1px solid transparent;border-radius:6px;box-shadow:none!important;margin:12px 0 24px;position:relative;overflow:visible;background:transparent;scroll-margin-top:90px}.fb-workspace .fb-block.selected,.fb-workspace .fb-block:focus-within{border-color:#bee0e5}.fb-workspace .fb-block-head{padding:8px 14px 0;border:0;background:transparent;min-height:30px;opacity:.5}.fb-workspace .fb-block:hover .fb-block-head,.fb-workspace .fb-block.selected .fb-block-head,.fb-workspace .fb-block:focus-within .fb-block-head{opacity:1}.fb-workspace .fb-block-title{font-size:10px!important;font-weight:400!important;color:#9ba7af}.fb-workspace .fb-block-actions{opacity:0}.fb-workspace .fb-block:hover .fb-block-actions,.fb-workspace .fb-block:focus-within .fb-block-actions,.fb-workspace .fb-block.selected .fb-block-actions{opacity:1}.fb-workspace .fb-block-actions button{font-size:10px;color:#9aa6af;padding:4px 6px}.fb-workspace .fb-block-actions button:hover{background:#eef7f8;color:#4193a1}.fb-workspace .fb-block-content{padding:14px 20px 18px}.fb-inline-label{display:block}.fb-inline-label input{display:block;width:100%;font-size:17px;font-weight:600;line-height:1.7;color:#50a0ad;background:transparent;border:0;padding:0;border-radius:0}.fb-inline-description,.fb-inline-body{display:block;width:100%;border:0;background:transparent;border-radius:0;resize:vertical;font-size:13px;line-height:1.85;padding:9px 0 0;color:#6e7a84;min-height:35px}.fb-inline-body{color:#687680;min-height:52px}.fb-workspace .fb-section-editor{margin-top:36px;border-top:1px solid #e8eef1;border-radius:0}.fb-section-editor .fb-inline-label input{font-size:18px;color:#516a79}.fb-answer-ghost{background:#f8f9fa;color:#b4bcc3;font-size:12px;padding:13px 14px;border-radius:3px;margin-top:18px;display:flex;justify-content:space-between}.fb-answer-ghost.long{min-height:86px}.fb-answer-ghost>span{color:#9aabb6}
.fb-workspace .fb-option-list{display:grid;gap:7px;margin-top:18px}.fb-option{display:flex;align-items:center;gap:10px;background:#f9fafb;border:1px solid #f0f2f4;padding:8px 12px;border-radius:4px}.fb-option>span{color:#a2afbc}.fb-option input{border:0;background:transparent;font-size:12px;width:100%;color:#6c7882;padding:3px}.fb-option button{color:#b8c1c7;font-size:18px;padding:0 2px}.fb-option-add{text-align:left;font-size:11px;color:#62a5b0;width:fit-content;padding:5px 0}
.fb-workspace .fb-response-placeholder{margin-top:18px;border:1px dashed #dce6ea;background:#fbfcfd;min-height:78px;display:flex;align-items:center;justify-content:center;gap:10px;border-radius:4px;color:#a6b2bb;font-size:12px}.fb-response-placeholder>span{font-size:21px;color:#92b4bd}.fb-response-placeholder small{font-size:10px;color:#bac4cb}
.fb-workspace .fb-dropzone{margin:20px 0 12px;border:1px dashed #cddfe5;background:#fafdfe;border-radius:5px;padding:27px 15px;gap:8px}.fb-workspace .fb-dropzone.drag-over{border-color:#56aeb9;background:#eaf8fa}.fb-workspace .fb-upload-button{border:0;border-radius:5px;background:#edf6f8;color:#5a99a6;padding:9px 18px;font-size:12px}.fb-workspace .fb-upload-button b{font-weight:500}.fb-workspace .fb-dropzone small{font-size:10px;color:#aab8bf}.fb-workspace .fb-dropzone.has-file{padding:9px 12px;display:flex;justify-content:space-between;background:transparent;border-style:solid;border-color:#eef1f3}.fb-dropzone.has-file small{display:none}.fb-workspace .fb-source-link{font-size:11px;color:#8a9eaa;margin:14px 0}.fb-workspace .fb-url{margin-top:10px}.fb-workspace .fb-url input{font-size:12px;padding:10px;width:100%;border:1px solid #e1e8ed;border-radius:4px;background:#fff}.fb-workspace .fb-material-preview .sound-source{background:#f4f9fa;border:1px solid #e0ecef;border-radius:6px;padding:17px}.fb-workspace .fb-material-preview .sound-source-label{color:#5b8d99}.fb-workspace .fb-material-preview audio{width:100%}.fb-workspace .fb-unlink{font-size:10px;color:#a5b0b9}.fb-workspace .fb-cloud-status{background:#fafbfc;font-size:10px;padding:8px 10px;color:#a7b0b8}.fb-workspace .fb-cloud-status .text-btn{font-size:10px;color:#8297a5}
.fb-field-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-top:15px;position:relative}.fb-workspace .fb-required{margin:0;font-size:10px;color:#91a1ac;gap:6px;line-height:22px}.fb-workspace .fb-required input{width:26px;height:15px;appearance:none;position:relative;border-radius:9px;background:#dce3e7;accent-color:#56aeb9;cursor:pointer;margin:3px 0}.fb-workspace .fb-required input:before{content:'';position:absolute;left:2px;top:2px;width:11px;height:11px;border-radius:100%;background:white;transition:transform .15s}.fb-workspace .fb-required input:checked{background:#64afba}.fb-workspace .fb-required input:checked:before{transform:translateX(11px)}.fb-options{font-size:10px;color:#92a3ad;text-align:right;max-width:100%}.fb-options>summary{cursor:pointer;list-style:none}.fb-options>summary:before{content:'⚙ ';font-size:11px}.fb-options[open]{width:100%}.fb-options-body{text-align:left;border:1px solid #e2edf0;background:#fcfefe;padding:12px;margin-top:10px;border-radius:5px}.fb-workspace .fb-label{color:#8c9ca8;font-size:11px}.fb-workspace .fb-label input,.fb-workspace .fb-label select{border-color:#e3eaef;font-size:12px}.fb-workspace .fb-settings{border-color:#e5edf0;font-size:11px}.fb-workspace .fb-settings summary{color:#6c8a99}
.fb-workspace .fb-insert-row{padding:0;position:relative;height:13px;border:0;background:transparent;margin:0 20px -7px;opacity:0}.fb-workspace .fb-block:hover .fb-insert-row,.fb-workspace .fb-block.selected .fb-insert-row,.fb-workspace .fb-block:focus-within .fb-insert-row{opacity:1}.fb-workspace .fb-insert-row:before{content:'';height:1px;background:#cee7eb;position:absolute;left:0;right:0;top:6px}.fb-workspace .fb-insert-row button{z-index:1;background:#65b0ba;color:white;font-size:10px;padding:3px 9px;line-height:1.5;border-radius:4px}.fb-workspace .fb-insert-row button:hover{background:#4198a6}.fb-workspace .fb-ending{margin-top:50px;border-top:1px solid #eaf0f2;padding-top:24px}.fb-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.fb-add-dialog{padding:22px;border:1px solid #e4eaf0;border-radius:11px;width:min(600px,calc(100vw - 30px));max-width:600px;max-height:85vh;overflow-y:auto;color:#3c4a56;box-shadow:0 20px 90px #1e3e4e30}.fb-add-dialog::backdrop{background:#182c3b40;backdrop-filter:blur(2px)}.fb-picker-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.fb-picker-head h2{font-size:17px;margin:0}.fb-picker-head button{font-size:25px;color:#9eabb4}.fb-add-dialog #fb-type-search{border:1px solid #e2e8ee;border-radius:6px;padding:11px 13px;font-size:12px;width:100%;background:#f9fbfc}.fb-add-dialog h3{font-size:11px;color:#91a0ac;margin:21px 0 10px;font-weight:500}.fb-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}.fb-type-grid button{padding:12px 9px;display:flex;align-items:center;gap:12px;border:1px solid transparent;border-radius:5px;font-size:12px;text-align:left;color:#536574}.fb-type-grid button:hover{background:#f3f9fb;border-color:#dcecf0}.fb-type-grid button[hidden]{display:none}.fb-type-grid .fb-type-badge{width:29px;height:26px;font-size:15px!important}.fb-picker-bundles{border-top:1px solid #e9eef2;margin-top:20px;padding-top:15px;display:flex;gap:10px;flex-wrap:wrap}.fb-picker-bundles button{font-size:11px;color:#6194a6;background:#f3f8fa;padding:8px;border-radius:5px}.fb-search-empty{color:#a0adb5;text-align:center;font-size:12px;margin:20px 0}
.fb-settings-page{max-width:860px;padding:40px 30px;margin:auto}.fb-settings-page>h1{font-size:23px;margin:10px 0 30px}.fb-settings-card{background:white;border:1px solid #e7edf1;border-radius:8px;padding:25px;margin-bottom:20px}.fb-settings-card h2{font-size:15px;margin-bottom:15px}.fb-settings-card .fb-drive-bar{background:#f5f9fb;border-color:#e3edf0;margin-bottom:20px}.fb-settings-page .hint{font-size:11px;color:#9caab5}.fb-settings-page .fb-legacy{font-size:12px;margin-top:20px}.fb-settings-page .fb-label{font-size:12px}
.fb-preview-stage{padding:26px 24px 60px}.fb-preview-toolbar{max-width:820px;margin:0 auto 20px;display:flex;justify-content:space-between;align-items:center;color:#99a8b3;font-size:11px}.fb-preview-toolbar>div{background:#edf2f5;border-radius:5px;padding:3px;display:flex;gap:3px}.fb-preview-toolbar button{font-size:11px;padding:6px 12px;border-radius:4px}.fb-preview-toolbar button.active{background:#fff;color:#506d7d;box-shadow:0 1px 3px #2d526c0d}.fb-workspace .fb-preview{max-width:820px;padding:56px 68px;background:white;border:1px solid #e8eef2;border-radius:8px;box-shadow:0 5px 20px #29465c04;transition:max-width .2s}.fb-workspace .fb-preview.mobile{max-width:390px;padding:30px 23px}.fb-workspace .fb-preview h1{font-size:26px;color:#384752}.fb-workspace .fb-preview h3,.fb-workspace .fb-preview .label{color:#58a1ae;font-size:16px}.fb-workspace .fb-preview .fb-description p{font-size:13px;color:#6f808a}.fb-workspace .fb-preview .fb-answer-block{margin:35px 0}.fb-workspace .fb-preview input,.fb-workspace .fb-preview textarea{background:#f9fbfc;border-color:#e2eaf0;border-radius:4px}.fb-workspace .fb-preview .sound-source{background:#f4f9fa;border-color:#e0ecef;border-radius:6px}.fb-preview-note{text-align:center;font-size:10px;color:#a2afb9;margin-top:20px}
@media(min-width:1600px){.fb-canvas-wrap{padding-left:80px;padding-right:80px}.fb-workspace .fb-canvas{max-width:920px;padding-left:82px;padding-right:82px}.fb-canvas-toolbar{max-width:920px}}
@media(max-width:1050px){.fb-topbar{padding:0 15px;gap:10px}.fb-breadcrumb select{max-width:200px}.fb-top-actions #fb-save-state{display:block;position:fixed;top:64px;right:16px;max-width:calc(100vw - 32px);padding:7px 12px;background:#fff;border:1px solid #e5e9ec;border-radius:7px;box-shadow:0 2px 8px #183e4d0d;z-index:60}.fb-outline{width:205px;left:10px}.fb-canvas-wrap{margin-left:225px;padding:24px 22px 60px}.fb-workspace .fb-canvas{padding:20px 25px}.fb-tabs button{padding:6px 10px}}
@media(max-width:700px){.fb-workspace{padding-top:104px}.fb-topbar{height:104px;display:grid;grid-template-columns:1fr auto;gap:0 8px;padding:8px 14px}.fb-breadcrumb{min-width:0}.fb-breadcrumb strong{font-size:12px}.fb-breadcrumb select{max-width:150px;font-size:11px}.fb-breadcrumb>span{display:none}.fb-tabs{grid-column:1/-1;grid-row:2;justify-self:center}.fb-top-actions{grid-column:2;grid-row:1;gap:5px}.fb-workspace .btn.dark{padding:8px 10px;font-size:11px}.fb-outline{position:relative;left:auto;top:auto;bottom:auto;width:calc(100% - 24px);margin:12px;max-height:190px;border-radius:7px}.fb-outline nav{display:flex;overflow-x:auto;overflow-y:hidden;flex:none;padding-bottom:7px}.fb-outline-row,.fb-outline-row.section{min-width:160px;max-width:180px;margin:0;border-top:0;padding:0}.fb-outline-heading{padding:8px 12px}.fb-outline-cover,.fb-outline-ending,.fb-outline-foot{display:none}.fb-canvas-wrap{margin-left:0;padding:8px 12px 40px}.fb-workspace .fb-canvas{padding:12px 10px}.fb-workspace .fb-cover,.fb-workspace .fb-ending{padding:20px 12px}.fb-workspace #fb-title{font-size:23px}.fb-workspace .fb-block-content{padding:10px 12px 18px}.fb-workspace .fb-block-actions{opacity:1}.fb-workspace .fb-block-head{padding:8px 8px 0}.fb-workspace .fb-insert-row{opacity:1}.fb-inline-label input{font-size:16px}.fb-workspace>#fb-error:not(:empty){top:104px;padding:12px 18px}.fb-workspace .fb-preview{padding:26px 22px}.fb-preview-stage{padding:20px 12px}.fb-settings-page{padding:25px 14px}.fb-settings-card{padding:18px}.fb-grip{display:none}.fb-workspace .fb-grid{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){.fb-workspace *{scroll-behavior:auto!important;transition:none!important}}
.fb-question-attachments{margin:14px 0}.fb-attach-button{display:inline-flex;position:relative;padding:5px 8px;color:#6597a7;background:#f3f8fa;border:1px solid #e6eef1;border-radius:4px;font-size:11px;overflow:hidden;cursor:pointer}.fb-attach-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.fb-attach-hint{font-size:10px;color:#a4b1b9;margin-left:10px}.fb-attached-file{position:relative;padding:12px 0;border-bottom:1px solid #eef2f4;margin-bottom:12px}.fb-attached-file>button{font-size:10px;color:#a3adb5;display:block;margin:8px 0 0 auto}.fb-file-image,.fb-file-video{margin:12px 0}.fb-file-image img{display:block;max-width:100%;max-height:420px;object-fit:contain;border-radius:6px}.fb-file-video video{width:100%;max-height:400px;border-radius:6px}.fb-file-image figcaption,.fb-file-video figcaption{font-size:11px;color:#9aa7b1;margin:5px 0}.fb-file-download{display:flex;justify-content:space-between;gap:10px;background:#f5f8fa;border:1px solid #e4edf1;padding:14px;border-radius:6px;font-size:12px;color:#658294}.fb-cloud-login{font-size:11px;color:#4d8fa7;white-space:nowrap}.fb-top-actions #fb-save-state{max-width:240px;overflow:hidden;text-overflow:ellipsis}.fb-top-actions #fb-save-state.cloud-error{color:#bd6653}.fb-top-actions #fb-save-state.cloud-error:before{background:#d59b5c}

.fb-create-dialog{width:min(620px,calc(100vw - 32px));max-height:88vh;overflow:auto;border:1px solid #dce5e9;border-radius:14px;padding:24px;background:#fff;color:#303943;box-shadow:0 24px 80px #22344730}
.fb-create-dialog::backdrop{background:#182f4655;backdrop-filter:blur(3px)}
.fb-create-dialog .fb-picker-head{padding:0;margin-bottom:16px}.fb-create-dialog h3{font-size:13px;margin:16px 0 10px;color:#536773}
.fb-create-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.fb-create-grid button{display:flex;flex-direction:column;align-items:flex-start;gap:5px;border:1px solid #d9e6ec;border-radius:9px;background:#f8fcff;min-height:0;padding:10px 12px;color:#326685;text-align:left}.fb-create-grid button:hover{background:#eaf4ff;border-color:#3977ed}.fb-create-grid button:focus-visible{outline:3px solid #3977ed;outline-offset:2px}.fb-create-grid b{font-size:21px}.fb-create-grid span{font-size:11px}.fb-create-grid .existing{background:#f4f8f6;color:#39735d;border-color:#d9e8df}.fb-create-dialog>.hint{font-size:11px;margin:18px 0 0}.fb-top-actions .fb-create-button{white-space:nowrap}
@media(max-width:1150px){.fb-top-actions{gap:8px}.fb-top-actions #fb-save-state{display:block;position:fixed;top:64px;right:16px;max-width:calc(100vw - 32px);padding:7px 12px;background:#fff;border:1px solid #e5e9ec;border-radius:7px;box-shadow:0 2px 8px #183e4d0d;z-index:60}.fb-breadcrumb select{max-width:190px}}
@media(max-width:600px){.fb-create-dialog{padding:18px}.fb-create-grid{grid-template-columns:repeat(4,1fr);gap:6px}.fb-create-grid button{padding:11px 8px}.fb-create-grid span{font-size:10px}.fb-create-grid b{font-size:20px}}
.fb-create-dialog{width:min(840px,calc(100vw - 32px))!important;max-width:min(840px,calc(100vw - 32px))!important}.fb-create-sections{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.fb-guide-source{display:block;margin:10px 0;color:#326685;font-size:12px}.guide-player h2{font-size:18px}.guide-player video{width:100%;max-height:70vh}.guide-player iframe{width:100%;aspect-ratio:16/9;border:0;min-height:300px}.guide-player>.text-btn{display:inline-block;margin-top:12px}
@media(max-width:620px){.fb-create-sections{grid-template-columns:1fr}.guide-player iframe{min-height:200px}}

.fb-create-grid span{white-space:nowrap}

/* One question = reference material + student response. */
.fb-block{position:relative}.fb-resource-tools{position:absolute;left:-77px;top:68px;z-index:15}.fb-resource-toggle{background:#eaf4f7;border:1px solid #cce1e8;border-radius:7px;color:#326c80;font-size:11px;padding:8px 9px;white-space:nowrap}.fb-resource-menu{display:none;position:absolute;left:0;top:100%;width:158px;background:white;border:1px solid #dce7ed;border-radius:9px;padding:6px;box-shadow:0 12px 32px #29445024}.fb-resource-tools:hover .fb-resource-menu,.fb-resource-tools:focus-within .fb-resource-menu,.fb-resource-tools.open .fb-resource-menu{display:grid}.fb-resource-menu button,.fb-resource-menu label{display:block;position:relative;text-align:left;padding:9px 12px;border-radius:5px;font-size:12px;margin:0;cursor:pointer;color:#3a5260}.fb-resource-menu button:hover,.fb-resource-menu label:hover{background:#eaf4f7}.fb-resource-menu input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.fb-set-material{padding:15px;margin:14px 0;background:#f8fafb;border:1px solid #e3ebef;border-radius:8px}.fb-set-material>.spread{font-size:11px;color:#71909c;margin-bottom:8px}.fb-set-material textarea{width:100%;border:0;background:transparent;min-height:90px}.fb-set-material .fb-url{display:flex;gap:8px}.fb-set-material .fb-url input{min-width:0;flex:1}.fb-set-material img{max-width:100%}.fb-insert-row{gap:12px;display:flex;justify-content:center}.fb-insert-row button{font-size:11px}.fb-section-editor{border-top:2px dashed #9cb7c7!important;border-bottom:2px dashed #9cb7c7!important;background:#f5f9fb!important;margin-top:24px!important}.fb-section-editor .fb-block-content{padding-top:8px}
.fb-student-page[hidden],.fb-page-nav [hidden]{display:none!important}.fb-student-page{animation:fb-page-enter .18s ease-out}.fb-page-nav{position:sticky;bottom:0;display:flex;gap:14px;align-items:center;justify-content:space-between;background:#fffdf6f5;border-top:1px solid #d9dfdf;padding:18px 0;margin-top:24px;z-index:5}.fb-page-nav [data-page-count]{font-size:13px;color:#69808a;margin:auto}.fb-page-nav .btn{min-width:78px}.fb-student-page .fb-answer-block{border:0!important}.fb-student-page img{max-height:50vh;object-fit:contain;width:auto;max-width:100%}.fb-student #assignment-form{scroll-margin-top:90px}.fb-pages{min-height:260px}.fb-preview .fb-page-nav{background:#fff}.fb-preview .fb-student-page{min-height:260px}
.fb-create-grid .complete{background:#d9f5e5!important;border:2px solid #47ac78!important;color:#17633b!important;box-shadow:0 3px 8px #2e9e651a}.fb-create-grid .draft{background:#fff6e1;color:#9c7425;border-color:#efdbac}.fb-create-grid .changed{background:#fff0e4;color:#a65324;border-color:#eeb98e}.fb-complete-count{display:inline-block;margin-left:10px;font-size:12px;background:#e3f6eb;color:#277448;border-radius:20px;padding:5px 10px}.fb-production{font-size:11px;padding:5px 9px;border-radius:15px;background:#fff3da;color:#927023}.fb-production.complete{background:#d9f5e5;color:#17633b}.fb-production.changed{background:#ffe7d4;color:#9c511c}
@keyframes fb-page-enter{from{opacity:0;transform:translateX(8px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.fb-student-page{animation:none}}
@media(max-width:800px){.fb-resource-tools{position:relative;left:auto;top:auto;margin:8px 0 12px}.fb-resource-menu{z-index:50}.fb-page-nav{padding:12px 0}.fb-complete-count{margin-left:0;font-size:10px}.fb-insert-row{flex-wrap:wrap}}