.experience-app{background:var(--tutor-canvas);font-family:var(--tutor-font)}.experience-app .wb-header{background:var(--tutor-canvas);min-height:60px;box-shadow:none;border:0;padding:8px 16px}.experience-app .wb-header strong{color:var(--tutor-ink);font-size:18px}.experience-app .wb-header small{font-size:12px}.experience-app .wb-messages{flex:1;width:100%;max-width:760px;min-height:0;margin:auto;padding:20px}.experience-app .wb-messages:has(.ask-start){flex-direction:column;display:flex}.ask-start{margin-top:32px}.ask-entry-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.experience-app .ask-entry{height:144px;color:var(--tutor-ink);box-shadow:none;border:0;border-radius:20px;flex-direction:column;justify-content:space-between;align-items:flex-start;padding:22px 20px;font-size:20px;font-weight:500;display:flex}.ask-entry .wb-icon{width:30px;height:30px}.ask-entry.blue{background:var(--tutor-soft)}.ask-entry.secondary{background:var(--tutor-entry-secondary)}.experience-app .upload-entry,.experience-app .continue-entry{border:0;border-bottom:1px solid var(--tutor-line);text-align:left;background:0 0;border-radius:0;align-items:center;gap:14px;width:100%;padding:20px 4px;font-size:16px;font-weight:400;display:flex}.upload-entry span,.continue-entry span{flex:1}.experience-app .continue-entry{margin-top:16px;font-size:15px}.entry-caption{color:var(--tutor-muted);justify-content:space-between;align-items:center;font-size:13px;display:flex}.entry-caption button{background:0 0!important;border:0!important;font-size:13px!important}.help-modes{align-self:flex-start;gap:8px;margin:12px 0;padding:8px 0;display:flex}.ask-start+.help-modes{margin-top:auto;padding-top:32px}.experience-app .help-modes button{border:1px solid var(--tutor-line);background:#fff;border-radius:20px;min-height:40px;padding:8px 14px;font-size:13px;font-weight:400}.experience-app .help-modes button[aria-pressed=true]{background:var(--tutor-soft);color:var(--tutor-accent);border-color:var(--tutor-accent)}.experience-app .wb-tutor{background:0 0;padding:10px 0}.folded-answer{border:1px solid var(--tutor-line);background:#fff;border-radius:16px;max-width:100%;padding:14px 16px}.folded-answer summary{cursor:pointer;min-height:24px;font-size:15px}.teaching-actions{flex-wrap:wrap;gap:8px;padding:12px 0;display:flex}.experience-app .teaching-actions button{border:1px solid var(--tutor-line);background:#fff;min-height:40px;padding:8px 12px;font-size:13px;font-weight:400}.experience-app .wb-composer{border:1px solid var(--tutor-line);background:#fff;border-radius:20px;align-self:center;width:calc(100% - 24px);max-width:720px;margin:8px 12px;padding:12px 12px 6px;box-shadow:0 2px 16px #00000004}.composer-text-row textarea{width:100%;font-family:var(--tutor-font);resize:vertical;min-height:44px;max-height:100px;color:var(--tutor-ink);background:0 0;font-size:16px;line-height:24px;display:block;padding:2px 4px!important}.experience-app .wb-composer-bar{box-shadow:none;background:0 0;border:0;border-radius:0;min-height:44px;margin-top:8px;padding:0;display:flex}.composer-spacer{flex:1}.experience-app .wb-send{isolation:isolate;position:relative;color:#fff!important;background:0 0!important;border:0!important}.experience-app .wb-send:before{content:"";background:var(--tutor-accent);z-index:-1;border-radius:50%;position:absolute;inset:7px}.experience-app .wb-send .wb-icon{width:18px;height:18px}.experience-app :focus-visible{outline:2px solid var(--tutor-focus);outline-offset:2px}.experience-app .wb-composer textarea:focus-visible{outline:0}.experience-app .wb-composer:has(textarea:focus-visible){outline:1px solid var(--tutor-focus);outline-offset:2px}.mobile-nav{min-height:56px;padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--tutor-line);background:var(--tutor-paper);width:100%;font-family:var(--tutor-font);flex-shrink:0;justify-content:center;display:flex}.mobile-nav a{max-width:240px;min-height:56px;color:var(--tutor-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:6px 0 4px;font-size:12px;font-weight:400;text-decoration:none;display:flex}.mobile-nav .wb-icon{width:22px;height:22px}.mobile-nav a[aria-current=page]{color:var(--tutor-accent);font-weight:600}.mobile-nav.keyboard-open{display:none}.experience-app .wb-header a{color:inherit;text-decoration:none}.experience-app .wb-header button{color:var(--tutor-ink);background:0 0;border:0;min-width:44px;min-height:44px}.experience-app button,.experience-app a{touch-action:manipulation}.experience-app .wb-task{border:1px solid var(--tutor-line);background:#fff;font-size:14px}.experience-app .wb-task p{color:var(--tutor-muted);font-size:13px}@media (width>=800px){.ask-start{margin-top:44px}.experience-app .ask-entry{height:180px}.experience-app .wb-header{padding-left:max(20px,50% - 380px);padding-right:max(20px,50% - 380px)}.mobile-nav{max-height:76px}.experience-app .wb-messages{padding-bottom:20px}}@media (width<=350px){.experience-app .wb-messages{padding:16px}.experience-app .ask-entry{padding:20px 16px;font-size:19px}.help-modes{gap:6px}.experience-app .help-modes button{padding:8px 10px}}.wb-app.experience-app{background:var(--tutor-canvas);color:var(--tutor-ink)}.wb-app.experience-app .wb-messages{background:0 0}.wb-app.experience-app .wb-header{background:var(--tutor-canvas)}.wb-app.experience-app .composer-text-row textarea{box-shadow:none;resize:none;background:0 0;border:0;outline:0}.wb-app.experience-app .wb-header strong{font-weight:600}.wb-app.experience-app .wb-answer h3{color:var(--tutor-ink)}.wb-app.experience-app .wb-speaker{color:var(--tutor-muted)}.wb-app.experience-app .wb-drawer{background:var(--tutor-canvas)}.return-pack-label{color:var(--tutor-muted);justify-content:space-between;align-items:center;gap:10px;padding:6px 2px 14px;font-size:12px;display:flex}.return-pack-label select{border:1px solid var(--tutor-line);font:inherit;max-width:65%;color:var(--tutor-ink);background:0 0;border-radius:8px;padding:6px}.experience-app .ask-entry.blue .wb-icon{color:var(--tutor-accent)}.experience-app .ask-entry.secondary .wb-icon{color:#657b9c}.subject-entry{color:var(--text-muted,#747b86);justify-content:center;margin:8px 16px;font-size:14px;display:flex}.subject-entry button{color:var(--accent,#326bdc);background:0 0;border:0;padding:8px 12px}.subject-sheet .wb-choice{justify-content:space-between;align-items:center;display:flex}.subject-sheet .wb-choice svg{width:20px;height:20px}.wb-photo-draft-note{color:var(--tutor-muted);justify-content:space-between;align-items:center;gap:10px;padding:6px 10px;font-size:13px;line-height:1.6;display:flex}.wb-photo-draft-note button{min-height:40px;color:var(--tutor-accent);background:0 0;border:0;flex-shrink:0;align-items:center;gap:5px;padding:6px;display:inline-flex}.wb-app .wb-previews .wb-draft-preview{background:0 0;border:0;border-radius:10px;width:76px;height:76px;min-height:76px;padding:0;display:block;position:static;overflow:hidden}.wb-app .wb-previews .wb-draft-preview img{object-fit:contain;background:#fff;width:100%;height:100%}.wb-draft-number{max-width:65px;color:var(--tutor-ink);pointer-events:none;background:#fff;border-radius:5px;padding:2px 5px;font-size:11px;position:absolute;bottom:3px;left:3px}.wb-app .wb-previews .wb-draft-remove{width:28px;min-height:28px;top:-8px;right:-8px}.wb-app .wb-previews>div{flex-shrink:0}.wb-app .wb-previews{padding-top:10px;padding-bottom:6px}.wb-photo-draft-note button:focus-visible,.wb-app .wb-previews button:focus-visible{outline:2px solid var(--tutor-accent);outline-offset:3px}.wb-app .wb-previews .wb-draft-move{background:var(--tutor-canvas);width:76px;min-height:40px;color:var(--tutor-accent);border-radius:8px;margin-top:4px;font-size:13px;display:block;position:static}.wb-draft-number{top:51px;bottom:auto}.wb-app{max-width:850px;height:100dvh;color:var(--tutor-ink);background:#fff;flex-direction:column;margin:0 auto;font-family:system-ui,-apple-system,PingFang SC,sans-serif;display:flex;position:relative;overflow:hidden}.wb-app *{box-sizing:border-box}.wb-app button{font:inherit;cursor:pointer}.wb-app button:focus-visible,.wb-app textarea:focus-visible,.wb-app input:focus-visible{outline:3px solid var(--tutor-focus)}.wb-header{border-bottom:1px solid #edf0e9;justify-content:space-between;align-items:center;gap:8px;min-height:76px;padding:10px 16px;display:flex}.wb-header button,.wb-drawer header button,.wb-sheet header button{background:0 0;border:0;min-width:44px;min-height:44px;font-size:25px}.wb-header div{text-align:center;min-width:0}.wb-header strong{white-space:nowrap;text-overflow:ellipsis;max-width:65vw;font-size:17px;display:block;overflow:hidden}.wb-header small{color:var(--tutor-muted);font-size:11px}.wb-messages{flex:1;min-height:0;padding:16px 22px 30px;overflow-y:auto}.wb-local-note{text-align:center;color:var(--tutor-muted);margin:0 0 20px;font-size:11px}.wb-empty{text-align:center;padding:60px 0}.wb-brand{background:var(--tutor-soft);color:var(--tutor-accent);border-radius:16px;place-items:center;width:48px;height:48px;margin:auto;font-size:25px;display:grid}.wb-empty h1{letter-spacing:0;margin:24px 0 12px;font-size:27px;line-height:1.5}.wb-primary{background:var(--tutor-accent);color:#fff;border:0;border-radius:12px;min-height:44px;padding:14px 18px}.wb-message{overflow-wrap:anywhere;margin:22px 0}.wb-user{background:var(--tutor-soft);border-radius:17px 17px 4px;width:fit-content;max-width:86%;margin-left:auto;padding:12px 16px}.wb-answer p{white-space:pre-wrap;margin:6px 0;font-size:15px;line-height:1.85}.wb-answer h3{color:var(--tutor-muted);margin:24px 0 10px;font-size:14px}.wb-images{flex-wrap:wrap;gap:8px;display:flex}.wb-images img{object-fit:contain;border-radius:8px;max-width:190px;max-height:230px}.wb-teach{background:var(--tutor-soft);width:100%;color:var(--tutor-ink);text-align:left;border:1px solid #dae7d5;border-radius:12px;margin-top:15px;padding:14px}.wb-note{color:var(--tutor-muted);margin:10px 0;font-size:11px;display:block}.wb-task{background:var(--tutor-canvas);border-radius:15px;padding:16px;font-size:14px}.wb-task p{color:var(--tutor-muted);font-size:12px}.wb-error{color:#964b35;background:#fff1e9;border-radius:12px;padding:12px;font-size:13px}.wb-error button{background:#fff;border:1px solid #e1bbab;margin:10px 10px 0 0;padding:8px}.wb-composer{padding:12px 12px max(14px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid #eef1e8}.wb-input{background:var(--tutor-canvas);border:1px solid #e6ece0;border-radius:24px;align-items:end;padding:4px;display:flex}.wb-input button{background:0 0;border:0;flex:none;width:40px;height:44px;font-size:24px}.wb-input textarea{resize:none;background:0 0;border:0;flex:1;min-width:0;height:44px;padding:10px 2px;font:16px/24px system-ui}.wb-input .wb-send{background:var(--tutor-accent);color:#fff;border-radius:50%}.wb-composer>small{text-align:center;color:var(--tutor-muted);margin-top:7px;font-size:10px;display:block}.wb-previews{gap:10px;padding-bottom:12px;display:flex;overflow:auto}.wb-previews>div{position:relative}.wb-previews img{object-fit:contain;border:1px solid #dce4d6;border-radius:7px;width:65px;height:75px}.wb-previews button{background:var(--tutor-accent);color:#fff;border:0;border-radius:50%;width:24px;height:24px;position:absolute;top:0;right:0}.wb-plus{justify-content:space-around;gap:12px;padding:14px;display:flex}.wb-plus button{background:var(--tutor-canvas);border:0;min-height:44px;padding:10px}.wb-hidden{display:none}.wb-overlay{z-index:20;background:#162e3366;align-items:flex-end;display:flex;position:absolute;inset:0}.wb-drawer{background:var(--tutor-canvas);flex-direction:column;gap:10px;width:88%;max-width:360px;height:100%;padding:18px;display:flex}.wb-drawer header,.wb-sheet header{justify-content:space-between;align-items:center;display:flex}.wb-drawer input{border:1px solid var(--tutor-line);border-radius:10px;padding:12px;font:16px system-ui}.wb-drawer nav{flex:1;overflow:auto}.wb-drawer nav button{text-align:left;background:0 0;border:0;width:100%;padding:15px 4px;display:block}.wb-drawer nav small{color:var(--tutor-muted);font-size:11px;display:block}.wb-drawer>button:not(.wb-primary){text-align:left;background:0 0;border:0;padding:12px}.wb-sheet{background:#fff;border-radius:24px 24px 0 0;width:100%;padding:24px}.wb-sheet h2{font-size:19px}.wb-choice{text-align:left;border:1px solid var(--tutor-line);background:#fff;border-radius:12px;width:100%;margin:12px 0;padding:18px;display:block}.wb-choice small{float:right}.wb-settings{padding:25px 0;font-size:14px;line-height:1.8}.wb-settings button{border:1px solid var(--tutor-line);background:var(--tutor-canvas);border-radius:12px;padding:12px}.wb-crop{z-index:40;color:#fff;touch-action:none;background:#141816;flex-direction:column;padding:10px 12px 20px;display:flex;position:absolute;inset:0}.wb-crop header{justify-content:space-between;align-items:center;display:flex}.wb-crop button{color:inherit;background:0 0;border:0;min-width:44px;min-height:44px}.wb-crop-stage{flex:1;justify-content:center;align-items:center;min-height:0;display:flex;overflow:hidden}.wb-crop-surface{touch-action:none;flex:none;position:relative}.wb-crop canvas{width:100%;height:100%;display:block}.wb-selection{cursor:move;touch-action:none;border:1px solid #fff;outline:1px solid #142a1488;position:absolute;box-shadow:0 0 0 1500px #0009}.wb-grid{pointer-events:none;background:linear-gradient(90deg,#0000 33%,#fff6 33.2%,#0000 33.4% 66%,#fff6 66.2%,#0000 66.4%),linear-gradient(#0000 33.6%,#fff6 33.8%,#0000 34% 66.6%,#fff6 66.8%,#0000 67%);position:absolute;inset:0}.wb-move{cursor:move;touch-action:none;position:absolute;inset:22px}.wb-handle{z-index:2;touch-action:none;width:44px;height:44px;position:absolute;transform:translate(-50%,-50%)}.wb-handle:after{content:"";filter:drop-shadow(0 0 1px #000);border-top:3px solid #fff;border-left:3px solid #fff;width:16px;height:16px;position:absolute;top:20px;left:20px}.wb-handle.nw{top:0;left:0}.wb-handle.ne{top:0;left:100%;rotate:90deg}.wb-handle.sw{top:100%;left:0;rotate:-90deg}.wb-handle.se{top:100%;left:100%;rotate:180deg}.wb-handle.n{top:0;left:50%}.wb-handle.s{top:100%;left:50%}.wb-handle.e{top:50%;left:100%}.wb-handle.w{top:50%;left:0}.wb-handle.n:after,.wb-handle.s:after{border-left:0;width:18px;height:0;left:12px}.wb-handle.e:after,.wb-handle.w:after{border-top:0;width:0;height:18px;top:12px}.wb-crop footer{z-index:3;text-align:center;background:#141816;position:relative}.wb-crop footer p{color:#ccdac4;font-size:12px}.wb-crop footer small{color:#9fae97;margin-top:9px;font-size:10px;display:block}.wb-crop .wb-primary{color:#233b29;background:#d3e9c9;width:100%;margin-top:10px;display:block}@media (width>=900px){.wb-app{border:1px solid #e6ece0}.wb-messages{padding-left:60px;padding-right:60px}.wb-crop{left:15%;right:15%}}.wb-handle.ne,.wb-handle.se,.wb-handle.sw{rotate:none}.wb-handle:after{transform-origin:1px 1px}.wb-handle.ne:after{transform:rotate(90deg)}.wb-handle.se:after{transform:rotate(180deg)}.wb-handle.sw:after{transform:rotate(-90deg)}.wb-answer p{white-space:normal;margin:6px 0;line-height:1.75}.wb-answer h3{margin:20px 0 8px}.wb-table{margin:12px 0;overflow-x:auto}.wb-table table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6}.wb-table th,.wb-table td{text-align:left;border:1px solid #dce5db;padding:9px 12px}.wb-table th{background:var(--tutor-canvas);font-weight:600}.wb-aligned{white-space:pre;margin:8px 0;font:14px/1.6 ui-monospace,monospace;overflow:auto}.wb-teach-options{gap:10px;margin:8px 0;display:flex}.wb-teach-options button{color:var(--tutor-ink);background:#f7faf4;border:1px solid #dce5db;border-radius:12px;flex:1;min-height:44px;padding:12px}.wb-reply{color:#527760;justify-content:space-between;align-items:center;padding:4px 10px;font-size:12px;display:flex}.wb-reply button{background:0 0;border:0;min-width:44px;min-height:32px;font-size:20px}.wb-crop footer .crop-actions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.wb-crop footer .crop-actions button{min-height:44px;margin:0;padding:10px 14px}.wb-crop footer .crop-actions .wb-primary{min-width:128px}.crop-status{color:var(--text-secondary,#667085);margin-bottom:10px;font-size:14px}.crop-regions,.crop-pages{justify-content:center;align-items:center;gap:12px;margin-bottom:10px;display:flex}.wb-crop footer .crop-regions button,.wb-crop footer .crop-pages button{min-height:36px;margin:0;padding:6px 12px}.select-another{text-align:right;background:var(--app-bg,#f6f7f9);padding:4px 16px}.select-another button{color:var(--brand,#326cdf);background:0 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