.stu-workspace{--stu-brand:#3d2ef0;--stu-brand-hover:#2f21d6;--stu-brand-soft:#eeedff;--stu-ink:#16161d;--stu-text:#34343d;--stu-muted:#6e6e79;--stu-faint:#a3a3ad;--stu-line:#e8e8ee;--stu-line-dashed:#d4d4dd;--stu-field:#f2f2f6;--stu-gap:16px;height:100svh;min-height:640px;color:var(--stu-text);background:#f6f6fa;padding:64px 28px 24px;position:relative}.stu-grid{gap:var(--stu-gap);grid-template-columns:400px minmax(0,1fr);max-width:1680px;height:100%;margin:0 auto;display:grid}.stu-card{background:#fff;border-radius:14px;min-height:0}.stu-sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.stu-form{flex-direction:column;gap:16px;padding:22px 20px 20px;display:flex;overflow-y:auto}.stu-head h1{color:var(--stu-ink);letter-spacing:-.01em;margin:0;font-size:21px;font-weight:700;line-height:1.3}.stu-head h1 span{color:inherit;font:inherit}.stu-tabs{background:var(--stu-field);border-radius:10px;grid-auto-columns:1fr;grid-auto-flow:column;gap:4px;margin-top:-4px;padding:4px;display:grid}.stu-tabs button{height:34px;color:var(--stu-muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:0 8px;font-size:13.5px;transition:background .2s,color .2s,box-shadow .2s}.stu-tabs button:hover{color:var(--stu-ink)}.stu-tabs button.is-on{color:var(--stu-ink);background:#fff;font-weight:600;box-shadow:0 1px 3px #1414281a}.stu-tabs button:focus-visible{outline:2px solid var(--stu-brand);outline-offset:1px}.stu-field{flex-direction:column;gap:8px;min-width:0;display:flex}.stu-field.is-grow{flex:1;min-height:180px}.stu-label{color:var(--stu-ink);font-size:13.5px;font-weight:600}.stu-drop{border:1.5px dashed var(--stu-line-dashed);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:196px;padding:20px;transition:border-color .2s,background .2s;display:flex}.stu-drop:hover,.stu-workspace.is-dragging .stu-drop{border-color:var(--stu-brand);background:#fafaff}.stu-drop-hit{color:var(--stu-muted);font:inherit;text-align:center;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:10px;padding:0;font-size:13px;line-height:1.45;display:flex}.stu-drop-icon{width:36px;height:36px;color:var(--stu-text);place-items:center;display:grid}.stu-drop-icon svg{width:22px;height:22px}.stu-drop-assets{border:1px solid var(--stu-line);height:36px;color:var(--stu-ink);font:inherit;cursor:pointer;background:#fff;border-radius:8px;align-items:center;gap:7px;padding:0 14px;font-size:12.5px;font-weight:600;display:inline-flex}.stu-drop-assets svg{width:15px;height:15px}.stu-drop-assets:hover:not(:disabled){border-color:var(--stu-brand);color:var(--stu-brand)}.stu-drop button:disabled{cursor:not-allowed;opacity:.6}.stu-files{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;display:grid}.stu-file{aspect-ratio:1;background:var(--stu-field);border-radius:10px;position:relative;overflow:hidden}.stu-file>img,.stu-file>video{object-fit:cover;width:100%;height:100%}.stu-file-audio{width:100%;height:100%;color:var(--stu-brand);place-items:center;display:grid}.stu-file-audio svg{width:24px;height:24px}.stu-file-tag{color:#fff;background:#16161db8;border-radius:999px;padding:1px 7px;font-size:11px;font-style:normal;position:absolute;bottom:5px;left:5px}.stu-file-remove{color:#fff;cursor:pointer;background:#16161db3;border:0;border-radius:50%;place-items:center;width:20px;height:20px;padding:0;display:grid;position:absolute;top:5px;right:5px}.stu-file-remove svg{width:11px;height:11px}.stu-file.is-add{border:1.5px dashed var(--stu-line-dashed);background:#fff;grid-template-rows:1fr auto;display:grid}.stu-file.is-add button{color:var(--stu-muted);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.stu-file.is-add button:hover:not(:disabled){color:var(--stu-brand)}.stu-file.is-add button svg{width:18px;height:18px}.stu-file.is-add .stu-file-assets{border-top:1px dashed var(--stu-line-dashed);height:26px}.stu-file.is-add .stu-file-assets svg{width:14px;height:14px}.stu-prompt{border:1px solid var(--stu-line);cursor:text;border-radius:10px;flex-direction:column;flex:1;min-height:0;padding:14px 14px 30px;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;overflow-y:auto}.stu-prompt:focus-within{border-color:var(--stu-brand);box-shadow:0 0 0 3px #3d2ef014}.stu-prompt>:first-child{flex:1}.stu-prompt .ProseMirror{min-height:100%;color:var(--stu-ink);outline:none;font-size:14px;line-height:1.6}.stu-prompt .dvx-prompt p.is-empty:first-child:before{white-space:normal;max-width:100%;top:0;left:0;overflow:visible}.stu-prompt-count{color:var(--stu-faint);font-size:11.5px;position:absolute;bottom:9px;right:12px}.stu-footer{flex-direction:column;gap:12px;display:flex}.stu-settings{gap:8px;display:flex}.stu-settings .dvx-pop-anchor{flex:1 1 0;min-width:0;display:flex}.stu-settings .dvx-pop-anchor:first-child{flex-grow:1.4}.stu-settings .dvx-pill{border:1px solid var(--stu-line);width:100%;height:40px;box-shadow:none;background:#fff;border-radius:8px;justify-content:flex-start;padding:0 10px}.stu-settings .dvx-pill>svg:last-child{margin-left:auto}.stu-settings .dvx-pill:hover:not(:disabled),.stu-settings .dvx-pill.is-open{border-color:var(--stu-brand);background:#fff}.stu-settings .dvx-pill-strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.stu-message{color:#c8352c;background:#fff1f0;border-radius:8px;margin:0;padding:8px 12px;font-size:12.5px;line-height:1.5}.stu-generate{background:var(--stu-brand);color:#fff;width:100%;height:42px;font:inherit;cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;gap:10px;font-size:14.5px;font-weight:600;transition:background .2s;display:flex}.stu-generate:hover:not(:disabled){background:var(--stu-brand-hover)}.stu-generate:disabled{color:#8d8d97;cursor:not-allowed;background:#e7e7ea}.stu-generate svg{width:15px;height:15px}.stu-generate-cost{opacity:.9;align-items:center;gap:4px;font-weight:500;display:inline-flex}.stu-preview{flex-direction:column;padding:22px 22px 24px;display:flex;overflow:hidden}.stu-preview-label{color:var(--stu-muted);letter-spacing:.08em;text-transform:uppercase;font-size:11.5px;font-weight:500}.stu-preview-main{flex:1;place-items:center;min-height:0;padding:24px 0;display:grid}.stu-preview-status{color:var(--stu-muted);flex-direction:column;align-items:center;gap:10px;margin:auto;font-size:14px;display:inline-flex}.stu-preview-status svg{width:24px;height:24px}.stu-sample-video{border-radius:12px;max-width:min(100%,720px);max-height:100%;position:relative;overflow:hidden;box-shadow:0 24px 50px -28px #1414288c}.stu-sample-video video{max-width:100%;max-height:min(56svh,520px);display:block}.stu-sample-image{place-items:center;width:100%;height:100%;margin:0;display:grid}.stu-sample-image img{object-fit:contain;border-radius:12px;max-width:100%;max-height:min(56svh,520px);box-shadow:0 24px 50px -28px #1414288c}.stu-sample-prompt{color:#fff;border-radius:14px;flex-direction:column;align-items:flex-start;gap:12px;width:100%;max-width:560px;min-height:300px;padding:30px;display:flex;box-shadow:0 24px 50px -28px #1414288c}.stu-sample-prompt svg{opacity:.85;width:26px;height:26px}.stu-sample-prompt strong{font-size:22px;font-weight:700}.stu-sample-prompt p{opacity:.92;flex:1;margin:0;font-size:15px;line-height:1.6}.stu-sample-prompt button{color:var(--stu-ink);font:inherit;cursor:pointer;background:#ffffffeb;border:0;border-radius:999px;padding:9px 16px;font-size:13.5px;font-weight:600}.is-tone-0{background:linear-gradient(135deg,#2d3156,#4a3f8f)}.is-tone-1{background:linear-gradient(135deg,#c4407c,#ef7aa8)}.is-tone-2{background:linear-gradient(135deg,#3b6fd8,#6aa2f7)}.stu-strip{scrollbar-width:none;gap:12px;padding:3px;display:flex;overflow-x:auto}.stu-strip::-webkit-scrollbar{display:none}.stu-thumb{background:var(--stu-field);cursor:pointer;border:2px solid #0000;border-radius:10px;flex:none;width:124px;height:124px;padding:0;transition:border-color .2s,transform .2s;overflow:hidden}.stu-thumb:hover{transform:translateY(-2px)}.stu-thumb.is-on{border-color:var(--stu-brand);box-shadow:inset 0 0 0 2px #fff}.stu-thumb>img,.stu-thumb>video{object-fit:cover;width:100%;height:100%}.stu-thumb-prompt{color:#fff;text-align:left;align-items:flex-end;width:100%;height:100%;padding:10px;font-size:12.5px;font-weight:600;line-height:1.3;display:flex}.stu-preview.is-feed{gap:16px}.stu-feed-filter{background:var(--stu-field);border-radius:10px;align-self:flex-start;gap:2px;padding:3px;display:inline-flex}.stu-feed-filter button{min-width:60px;height:30px;color:var(--stu-muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:0 14px;font-size:13px}.stu-feed-filter button.is-on{color:var(--stu-ink);background:#fff;font-weight:600;box-shadow:0 1px 3px #1414281a}.stu-feed{flex-direction:column;flex:1;gap:14px;min-height:0;margin:0 -6px;padding:0 6px 6px;display:flex;overflow-y:auto}.stu-feed-empty{color:var(--stu-faint);margin:auto;font-size:14px}.stu-feed-sentinel{flex:none;height:1px;margin-top:-14px}.stu-feed-more{border:1px solid var(--stu-line);height:38px;color:var(--stu-ink);font:inherit;cursor:pointer;background:#fff;border-radius:999px;flex:none;align-self:center;align-items:center;gap:8px;padding:0 22px;font-size:13.5px;font-weight:500;display:inline-flex}.stu-feed-more:hover:not(:disabled){border-color:var(--stu-brand);color:var(--stu-brand)}.stu-feed-more:disabled{cursor:progress;opacity:.7}.stu-feed-more svg{width:15px;height:15px}.stu-task{border:1px solid var(--stu-line);border-radius:12px;flex-direction:column;gap:14px;padding:18px 18px 16px;display:flex}.stu-task-head{color:var(--stu-muted);flex-wrap:wrap;align-items:center;gap:6px 0;font-size:12px;display:flex}.stu-task-head>span:not(:first-child):before{content:"";vertical-align:-1px;background:var(--stu-line-dashed);width:1px;height:11px;margin:0 10px;display:inline-block}.stu-task-kind{color:var(--stu-ink);letter-spacing:.02em;text-transform:uppercase;align-items:center;gap:6px;font-weight:700;display:inline-flex}.stu-task-kind svg{width:15px;height:15px}.stu-task-status{color:var(--stu-brand);font-weight:600}.stu-task-status.is-failed{color:#c8352c}.stu-task-body{align-items:flex-start;gap:14px;display:flex}.stu-task-inputs{flex:none;gap:6px;display:flex}.stu-task-input{background:var(--stu-field);width:64px;height:64px;color:var(--stu-brand);border-radius:8px;place-items:center;display:grid;overflow:hidden}.stu-task-input>img,.stu-task-input>video{object-fit:cover;width:100%;height:100%}.stu-task-input svg{width:20px;height:20px}.stu-task-prompt{color:var(--stu-text);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.6}.stu-task-outputs{flex-wrap:wrap;gap:10px;display:flex}.stu-task-output{object-fit:contain;background:#000;border-radius:10px;max-width:100%;height:240px;display:block;overflow:hidden}a.stu-task-output{background:var(--stu-field)}.stu-task-output img{object-fit:contain;width:auto;max-width:100%;height:100%;display:block}.stu-task-placeholder{background:var(--stu-field);width:160px;height:220px;color:var(--stu-muted);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.stu-task-placeholder svg{width:22px;height:22px}.stu-task-placeholder small{text-align:center;padding:0 10px;font-size:12px}.stu-task-placeholder.is-failed{color:#c8352c}.stu-task-error{color:#c8352c;margin:-4px 0 0;font-size:12.5px;line-height:1.5}.stu-task-actions{flex-wrap:wrap;gap:8px;display:flex}.stu-task-actions a,.stu-task-actions button{border:1px solid var(--stu-line);height:34px;color:var(--stu-ink);font:inherit;cursor:pointer;background:#fff;border-radius:8px;align-items:center;gap:7px;padding:0 14px;font-size:12.5px;font-weight:500;text-decoration:none;display:inline-flex}.stu-task-actions svg{width:14px;height:14px;color:var(--stu-muted)}.stu-task-actions a:hover,.stu-task-actions button:hover:not(:disabled){border-color:var(--stu-brand);color:var(--stu-brand)}.stu-task-actions button:disabled{cursor:not-allowed;opacity:.55}.stu-drag-overlay{z-index:20;border:2px dashed var(--stu-brand);pointer-events:none;background:#f6f6fadb;border-radius:16px;place-items:center;display:grid;position:absolute;inset:12px}.stu-drag-overlay span{color:var(--stu-brand);align-items:center;gap:10px;font-size:16px;font-weight:600;display:inline-flex}.stu-drag-overlay svg{width:22px;height:22px}@media (max-width:1023px){.stu-workspace{height:auto;min-height:0}.stu-grid{grid-template-columns:minmax(0,1fr);max-width:680px;height:auto}.stu-form{overflow:visible}.stu-field.is-grow{flex:none}.stu-prompt{min-height:180px}.stu-preview{min-height:520px;overflow:visible}.stu-feed{overflow:visible}}@media (max-width:640px){.stu-workspace{padding:64px 12px 12px}.stu-form,.stu-preview{padding:16px}.stu-settings{flex-wrap:wrap}.stu-settings .dvx-pop-anchor:first-child{flex-basis:100%}.stu-task-body{flex-direction:column}.stu-task-output{height:200px}.stu-thumb{width:96px;height:96px}}