:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#1c2737;background:#f4f6f9;font-synthesis:none;--blue:#315deb;--muted:#748095;--line:#e6eaf0}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}button,input{font:inherit}button,label,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.topbar{height:84px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 5%}.brand{display:flex;align-items:center;gap:14px}.brand-icon{background:#253652;color:#fff;width:37px;height:37px;display:grid;place-items:center;border-radius:10px;font-size:19px}.brand b{font-size:22px;letter-spacing:2px}.brand-divider{height:22px;width:1px;background:var(--line);margin:0 8px}.brand-sub{font-size:14px;color:#758094}.prototype{font-size:13px;color:#7a602a;background:#fbf5e8;border:1px solid #eee2c6;padding:4px 12px;border-radius:6px}main{max-width:1280px;margin:0 auto;padding:43px 40px 22px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:29px}.eyebrow{font-size:12px;letter-spacing:2px;color:#7c8aa0;margin:0 0 8px}h1{font-size:30px;letter-spacing:-.7px;font-weight:650;margin:0 0 10px;line-height:1.4}.intro{color:#6b788c;font-size:15px;margin:0}.mode{display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:14px;color:#47617c;background:#eaf0f7;border:1px solid #dce5ef;border-radius:6px;padding:7px 12px}.workspace{display:grid;grid-template-columns:1.08fr 1fr;gap:26px;align-items:start}.inputs,.preview-panel{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 7px 24px #20325404}.inputs{padding:29px 30px}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:17px}h2{font-size:17px;font-weight:600;margin:0}.step-number{font-size:12px;font-weight:650;color:#657990;background:#eef2f7;border-radius:5px;padding:2px 6px}.required,.optional{margin-left:auto;color:#8993a3;font-size:13px}.dropzone{position:relative;display:flex;align-items:center;flex-direction:column;text-align:center;gap:8px;padding:27px 15px 23px;border:1.5px dashed #c8d4e6;border-radius:9px;background:#f9fbfe;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.drag{border-color:var(--blue);background:#f0f4ff}.dropzone:focus-within,.ref-picker:focus-within{outline:2px solid var(--blue);outline-offset:4px}.dropzone input,.ref-picker input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}.upload-icon{width:28px;height:28px;color:#537ac1;margin-bottom:4px}.dropzone strong{font-size:15px;font-weight:550;max-width:100%;overflow-wrap:anywhere}.dropzone>span{font-size:12px;color:#8996a8}.dropzone .local-note{font-size:12px;color:#a0a9b8;margin-top:3px}.second{margin-top:29px}.replacement{border:1px solid var(--line);border-radius:9px;margin-bottom:12px;transition:border-color .2s}.replacement.active{border-color:#b8c8fa;background:#fcfdff}.replacement-row{display:flex;align-items:center;padding:17px 16px;gap:12px}.item-icon{display:grid;place-items:center;color:#61718a;background:#f2f5f9;width:36px;height:36px;border-radius:7px;flex-shrink:0}.item-icon svg{width:21px;height:21px}.replacement-copy{flex:1;min-width:0}.replacement-copy label{font-size:15px;font-weight:550;cursor:pointer}.replacement-copy p{font-size:13px;color:#8390a1;margin:3px 0 0}.switch{width:37px;height:22px;display:block;position:relative;flex-shrink:0}.switch input{opacity:0;position:absolute;width:100%;height:100%;margin:0;z-index:2;cursor:pointer}.switch span{position:absolute;inset:0;background:#dce2ea;border-radius:20px;transition:.2s}.switch span:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:white;border-radius:50%;box-shadow:0 1px 3px #1729421a;transition:.2s}.switch input:checked+span{background:var(--blue)}.switch input:checked+span:after{transform:translateX(15px)}.switch input:focus-visible+span{outline:2px solid #315deb;outline-offset:4px}.reference{padding:0 16px 16px}.ref-picker{position:relative;border-top:1px solid var(--line);padding:14px 0 0;display:flex;gap:12px;align-items:center;cursor:pointer}.ref-picker img{width:60px;height:60px;object-fit:contain;background:#eef2f6;border-radius:6px}.ref-picker b{display:block;font-size:14px;color:var(--blue);overflow-wrap:anywhere}.ref-picker small{display:block;font-size:12px;color:#8290a3;margin-top:5px}.product-note{font-size:12px;color:#8b713d;margin-bottom:0}.fixed{display:flex;gap:10px;padding:12px 0 18px;color:#728098}.lock{font-size:25px;line-height:1.1}.fixed b{font-size:13px;font-weight:550;color:#67758a}.fixed p{font-size:12px;line-height:1.9;margin:3px 0 0}.primary{display:flex;width:100%;align-items:center;justify-content:space-between;border:0;background:var(--blue);border-radius:8px;color:#fff;padding:13px 19px;font-size:15px;font-weight:550;box-shadow:0 4px 10px #315deb18}.primary:hover{background:#254bd0}.primary:disabled{background:#8297d4}.demo-note{font-size:12px;text-align:center;color:#8995a7;margin:12px 0 0}.error{font-size:14px;color:#ab3548;padding:9px 12px;background:#fff0f1;border-radius:6px}.preview-panel{overflow:hidden}.preview-heading{display:flex;justify-content:space-between;align-items:center;padding:20px 22px}.preview-heading h2{font-size:15px}.preview-heading>span{font-size:12px;color:#7e8ba0}.preview-stage{margin:0 20px;aspect-ratio:16/10;position:relative;display:flex;align-items:center;justify-content:center;background:#edf1f7;border-radius:8px;overflow:hidden;background-image:linear-gradient(#dde4ed60 1px,transparent 1px),linear-gradient(90deg,#dde4ed60 1px,transparent 1px);background-size:28px 28px}.preview-stage video{width:100%;height:100%;position:absolute;inset:0;object-fit:contain;background:#152031}.preview-empty{text-align:center;color:#7c8aa0}.frame-icon{background:#e3e9f2;border:1px solid #d8e0ed;width:61px;height:61px;display:grid;place-items:center;margin:0 auto 17px;border-radius:14px;color:#8293ab}.frame-icon svg{width:37px;height:37px}.preview-empty p{font-size:15px;margin:0 0 4px}.preview-empty>span:last-child{font-size:12px;color:#a0abbb}.preview-caption{position:absolute;top:12px;left:12px;pointer-events:none;background:#121b2acc;color:#fff;border-radius:4px;font-size:12px;padding:3px 8px}.flow-summary,.task-panel{padding:24px 24px 19px}.flow-title{display:flex;justify-content:space-between;align-items:center;gap:10px}.flow-title h3{font-size:15px;font-weight:600;margin:0}.flow-title>span{font-size:12px;color:#97a1b1}ol{list-style:none;padding:0;margin:21px 0 0}li{position:relative;display:flex;align-items:flex-start;gap:14px;padding-bottom:20px}li:last-child{padding-bottom:0}li>span{position:relative;z-index:1;display:grid;place-items:center;width:25px;height:25px;flex-shrink:0;border:1px solid #dfe5ed;border-radius:50%;font-size:12px;color:#78889e;background:#fff}li:not(:last-child):after{content:"";position:absolute;top:26px;left:12px;bottom:1px;width:1px;background:#e7ebf1}li b{font-size:14px;font-weight:550;display:block;line-height:1.7}li p{font-size:12px;color:#8b98aa;margin:2px 0 0}.output-note{display:flex;align-items:center;gap:13px;margin-top:23px;border-top:1px solid var(--line);padding-top:16px;color:#647895}.output-note>span{font-size:26px;color:#8b9bb1}.output-note p{font-size:13px;margin:0}.output-note b{font-weight:550;color:#455976}.output-note small{font-size:12px;color:#8c99ab}.text-button{border:0;background:none;color:#4765ac;padding:4px;font-size:13px}.text-button:hover{text-decoration:underline}.simulation-label{font-size:12px;color:#937438;margin:10px 0}progress{display:block;width:100%;height:6px;border:none;border-radius:6px;overflow:hidden;margin:16px 0 22px;background:#e8edf5}progress::-webkit-progress-bar{background:#e8edf5}progress::-webkit-progress-value{background:var(--blue);transition:width .5s}progress::-moz-progress-bar{background:var(--blue)}li.current>span{border-color:var(--blue);color:var(--blue);background:#edf2ff}li.done>span{background:#eaf1ff;border-color:#ccdcff;color:var(--blue)}.result{padding:25px;text-align:center}.result-check{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#eef3ff;color:var(--blue);font-size:20px;margin:auto}.result h3{font-size:17px;margin:12px 0 8px}.result p{font-size:13px;color:#7f8da2;line-height:1.9}.result-actions{display:flex;justify-content:center;gap:15px;margin-top:18px;align-items:center}.result-actions>button:disabled{border:1px solid #e0e6ef;background:#f2f5fa;color:#8b97aa;padding:9px 13px;border-radius:6px;font-size:13px}footer{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:#9aa6b8;margin-top:24px}button:focus-visible,a:focus-visible{outline:2px solid #315deb;outline-offset:4px}form.busy .dropzone,form.busy .ref-picker{opacity:.6;pointer-events:none}@media(min-width:1500px){main{padding-top:55px}.page-heading{margin-bottom:37px}.inputs{padding:32px}.preview-stage{aspect-ratio:16/10.8}}@media(max-width:900px){main{padding:30px 24px}.workspace{gap:18px}.inputs{padding:22px}.intro{font-size:14px}.brand-sub{display:none}.brand-divider{display:none}.page-heading{align-items:flex-start}.replacement-row{padding:14px 12px;gap:9px}.item-icon{display:none}}@media(max-width:700px){.topbar{height:70px;padding:0 22px}main{padding:25px 18px}.page-heading{gap:12px}h1{font-size:24px}.eyebrow{font-size:12px;letter-spacing:1.2px}.intro{font-size:14px;line-height:1.8}.mode{font-size:12px;padding:5px 8px;margin-top:27px}.workspace{grid-template-columns:1fr}.inputs{padding:22px 20px}.item-icon{display:grid}.preview-panel{margin-top:0}.dropzone strong{font-size:14px}.brand b{font-size:20px}footer{font-size:12px}footer span:last-child{display:none}.preview-stage{aspect-ratio:16/10}.result-actions{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.source-tabs{display:flex;padding:4px;background:#eef2f7;border-radius:8px;gap:4px;margin:0 0 18px}.source-tabs button{flex:1;border:0;background:none;border-radius:6px;color:#768397;padding:8px 6px;font-size:14px}.source-tabs button[aria-selected=true]{background:white;color:#315deb;box-shadow:0 2px 6px #2032540c;font-weight:600}.link-label{display:block;font-size:14px;margin:0 0 9px;color:#66758a}#share-input{font:inherit;font-size:14px;line-height:1.8;width:100%;min-height:108px;resize:vertical;border:1px solid #ccd7e6;border-radius:8px;padding:12px 14px;background:#fbfcfe;color:#273650}#share-input:focus{outline:2px solid #315deb33;border-color:#315deb}#share-input::placeholder{color:#94a0b2}.link-actions{display:flex;align-items:center;gap:12px;margin-top:10px}.link-actions p{flex:1;font-size:12px;color:#8a96a8;margin:0}.link-actions #parse-link{border:0;background:#eaf0ff;color:#315deb;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:550;white-space:nowrap}.link-actions #parse-link:hover{background:#dfe8ff}.link-actions #parse-link:disabled{opacity:.6}.parse-status{font-size:14px;line-height:1.7;padding:11px 12px;border-radius:7px;margin-top:13px;background:#edf3ff;color:#416299}.parse-status.fail{background:#fff4ee;color:#96603d}.parse-status.success{background:#edf6f3;color:#347461}.link-result{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #d9e4f2;border-radius:8px;padding:12px;margin-top:12px}.link-result>div{min-width:0;flex:1}.link-result b{font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.link-result p{font-size:12px;color:#8290a4;margin:4px 0 0}.link-result a{font-size:13px;color:#315deb;white-space:nowrap}.link-result a:hover{text-decoration:underline}.saved-examples{font-size:12px;color:#8b97a8;margin-top:13px}.saved-examples summary{cursor:pointer}.saved-examples p{font-size:12px;margin:9px 0}.saved-examples button{display:block;background:none;border:0;padding:6px 0;color:#637da8;font-size:13px;text-align:left}.saved-examples button:hover{text-decoration:underline}.source-tabs button:disabled{cursor:not-allowed;opacity:.6}@media(max-width:480px){.link-actions{flex-wrap:wrap}.link-actions p{flex-basis:100%}.link-result{align-items:flex-start;flex-direction:column}}
.wan-settings{border:1px solid #cbd5e1;border-radius:12px;padding:16px;margin-bottom:24px;background:#f8fafc}.wan-settings summary{font-weight:650;cursor:pointer;font-size:16px}.wan-settings summary span{float:right;font-size:14px;color:#4f6484;font-weight:400}.wan-settings p{font-size:14px;line-height:1.7;color:#536178}.wan-settings label,.wan-tasks label{display:block;margin:12px 0 6px;font-size:14px}.wan-settings input,.wan-tasks input{box-sizing:border-box;width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:7px;font:inherit;font-size:14px;min-width:0}.wan-settings-actions,.wan-task-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.wan-settings button:not(.text-button),.wan-tasks button:not(.text-button):not(.wan-history-item){border:0;background:#284f92;color:white;padding:10px 14px;border-radius:7px;font:inherit;font-size:14px;cursor:pointer}.wan-settings button:disabled,.wan-tasks button:disabled{opacity:.5;cursor:wait}.wan-cost{font-size:14px;line-height:1.7;margin:20px 0 14px;padding:14px;background:#f3f6fc;border-radius:8px}.wan-cost p{color:#55647b;margin:6px 0 10px}.wan-cost label{display:flex;align-items:flex-start;gap:8px;margin:10px 0}.wan-cost input{flex:0 0 auto;width:17px;height:17px;margin-top:4px;accent-color:#284f92}.wan-cost [hidden]{display:none}.wan-tasks{padding:22px 0;border-bottom:1px solid #dde4ef}.wan-tasks p{font-size:14px;line-height:1.7}.wan-tasks video{width:100%;max-height:440px;background:#111827;border-radius:9px;margin-top:12px}.wan-task-actions a{font-size:14px;color:#284f92;font-weight:600;padding:8px 0}.wan-history-item{display:block;width:100%;text-align:left;background:transparent;border:0;border-top:1px solid #e2e8f0;padding:12px 0;color:#465875;cursor:pointer;font:inherit;font-size:14px}#wan-history{margin-top:14px}#simulate{display:block;margin:12px auto 0}input:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #7f9bd6;outline-offset:3px}@media(max-width:600px){.wan-settings summary span{float:none;display:block;margin-top:5px}}

.import-service-note{font-size:14px;line-height:1.7;color:#64748b}.wan-settings .import-consent{display:flex;gap:8px;align-items:flex-start;line-height:1.7}.wan-settings .import-consent input{width:17px;height:17px;flex:0 0 auto;margin-top:4px}

.pipeline-query-detail{padding:14px;background:#f3f6fc;border-radius:8px;margin-bottom:12px;font-size:14px;line-height:1.7}.pipeline-query-detail p{margin:4px 0;color:#536178}.pipeline-query-detail summary{cursor:pointer;color:#284f92}.pipeline-query-detail code{display:block;overflow-wrap:anywhere;user-select:all;margin-top:8px}

.workflow-plan{margin:24px 0;padding:20px;border:1px solid #c8d4ec;border-radius:14px;background:#f8faff}.workflow-plan h3{margin:0 0 12px}.workflow-plan p{line-height:1.65;white-space:pre-line;overflow-wrap:anywhere}.workflow-plan details{padding:12px 0;border-top:1px solid #dce3ee}.workflow-plan summary{cursor:pointer;font-weight:600}.workflow-plan video{width:100%;max-height:360px;margin-bottom:12px}.workflow-plan label{display:block;line-height:1.6}

.project-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding:20px 24px;margin-bottom:24px;background:#fff;border:1px solid var(--line);border-radius:12px}.project-toolbar>div{flex:1;min-width:220px}.project-toolbar p{font-size:14px;color:#6b788c;margin:4px 0}.project-toolbar button{background:#315deb;color:#fff;border:0;border-radius:8px;padding:12px 20px;white-space:nowrap}.project-toolbar details{flex-basis:100%;font-size:14px}.project-toolbar summary{cursor:pointer;color:#315deb}.project-link{display:block;padding:10px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.project-link[aria-current]{font-weight:600;color:#315deb}

/* Keep the native picker visible and directly clickable. */
.dropzone #video-input{position:relative;opacity:1;width:100%;height:auto;pointer-events:auto;order:5;margin-top:12px;font-size:14px;cursor:pointer}.dropzone #video-input::file-selector-button{border:0;border-radius:6px;background:#315deb;color:white;padding:9px 14px;margin-right:10px;cursor:pointer}#project-locked a{color:#234dd0;text-decoration:underline;font-weight:600}

.production{margin-top:28px;background:white;border:1px solid var(--line);border-radius:14px;padding:26px;font-size:16px}.production>section{border-top:1px solid var(--line);margin-top:26px;padding-top:20px}.production h3{font-size:19px}.production h4{margin:12px 0}.production button,.production a{display:inline-block;padding:9px 14px;margin:8px 10px 8px 0;border:1px solid #ccd7ea;border-radius:7px;background:#edf2ff;color:#244cb8;font-size:14px}.production button:disabled{opacity:.45}.production label{display:block;margin:12px 0}.production textarea{display:block;width:100%;font:inherit;border:1px solid #cbd5e1;border-radius:6px;padding:10px;resize:vertical}.production input[type=file]{display:block;margin-top:8px;max-width:100%}.production-summary{font-weight:600;color:#234db8}.segment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.segment-grid article{padding:14px;border:1px solid #dfe5ef;border-radius:8px}.production video{width:100%;max-height:360px;background:#162033}.table-scroll{overflow:auto}.production table{width:100%;border-collapse:collapse;font-size:14px}.production th,.production td{border:1px solid #e1e6ef;padding:10px;text-align:left;vertical-align:top;min-width:110px;white-space:pre-line}.production th{background:#edf2ff}.production td img{width:100px;max-height:160px;object-fit:contain}.production details{padding:12px;border:1px solid #dfe5ef;margin-top:12px}.production summary{cursor:pointer}.calibration-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.calibration-pair figure{margin:0}.calibration-pair img{max-width:100%;max-height:480px;object-fit:contain}.ip-preview{width:180px;max-height:280px;object-fit:contain}.production pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:#f5f7fb;padding:14px}#pipeline-resume,#pipeline-resume-note,#simulate,.wan-cost{display:none!important}@media(max-width:700px){.production{padding:16px}.calibration-pair{grid-template-columns:1fr}}

#source-settings{margin-bottom:18px}#source-settings>summary,#generation-history>summary{cursor:pointer;font-size:14px;color:#64748b;padding:10px 0}#source-settings .workspace{margin-top:14px}.production>.milestone{position:relative;padding:20px 22px;margin-top:14px;border:1px solid #e2e8f0;border-radius:10px}.milestone h3{margin:0 95px 10px 0}.milestone-state{position:absolute;right:18px;top:20px;color:#53698d;font-size:14px}.milestone>p{color:#66758a;margin:6px 0 12px;font-size:14px}.hero-sample{display:block;width:auto;max-width:100%;max-height:480px;border-radius:8px;margin:16px auto}.production-details{background:#f8fafc}.production-details>summary{font-size:14px;color:#5b6d87}.production-details .production-summary{font-size:14px}.production[aria-busy=true]{cursor:progress}.production[aria-busy=true]::before{content:'正在处理，请稍候…';display:block;padding:10px 0;color:#315deb;font-size:14px}.milestone textarea{max-width:720px}.milestone details{background:#f8fafc}@media(max-width:600px){.production>.milestone{padding:16px}.milestone-state{position:static;display:block;margin-bottom:8px}.milestone h3{margin-right:0}}

.milestone-state{position:static;display:block;margin:4px 0 8px}.milestone h3{margin-right:0}

.delivery-review-table .shot-review-status{min-width:210px;width:230px}.shot-review-status strong{display:block;color:#244cb8;margin-bottom:8px}.shot-review-status p{font-size:14px}.shot-review-status textarea{min-width:180px;font-size:14px}.delivery-review-table td:nth-child(4){min-width:300px;max-width:560px}.delivery-review-table td img{width:120px;max-height:210px}.delivery-inspection{margin-top:14px}

.shot-question-dialog{width:min(580px,92vw);max-height:88vh;overflow:auto;border:1px solid #dce3ee;border-radius:16px;padding:24px;color:#243045;box-shadow:0 20px 70px #152a4833}.shot-question-dialog::backdrop{background:#15203870}.shot-question-dialog>img{display:block;max-width:100%;max-height:260px;object-fit:contain;margin:12px auto}.shot-question-dialog .question-text{padding:12px;background:#f4f7ff;border-radius:8px;line-height:1.65}.shot-question-dialog label{display:block}.shot-question-dialog textarea{width:100%;min-height:80px}.shot-question-dialog>p{font-size:14px;line-height:1.6}

.video-segment-nav{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.video-segment-nav button[aria-pressed=true]{background:#315bf5;color:#fff}.video-settings{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:16px 0}.video-settings label{display:flex;align-items:center;gap:8px}.video-settings select{font:inherit;border:1px solid #c8d5eb;border-radius:8px;padding:8px 12px;background:white;color:#24334b}.video-settings p{flex-basis:100%;margin:0}.video-result{display:block;width:100%;max-width:480px;max-height:560px;margin:16px 0;background:#101828}.milestone>label:has(textarea){display:block;margin:16px 0}.milestone>label textarea{display:block;width:100%;box-sizing:border-box;margin-top:8px}.video-settings input[type=checkbox]{width:18px;height:18px}
.reference-panel{margin:28px 0}.reference-panel summary{cursor:pointer;font-weight:600}.reference-panel form>label{display:block;margin:16px 0 6px}.reference-panel textarea{display:block;width:100%;font:inherit;padding:12px;border:1px solid #c8d5eb;border-radius:8px;resize:vertical}.reference-panel select,.reference-panel input[type=number]{font:inherit;padding:8px;border:1px solid #c8d5eb;border-radius:8px;background:white}.reference-panel input[type=number]{width:90px}.reference-panel .wan-settings-actions{flex-wrap:wrap}.reference-panel button,.reference-panel a[download]{display:inline-block;margin:12px 8px 12px 0;padding:10px 16px;background:#edf2ff;border:1px solid #c8d5eb;border-radius:8px;color:#244eca}.reference-panel button:disabled{opacity:.5}.reference-panel video{display:block;margin-top:16px}.reference-panel input[type=file]{max-width:100%}
/* Stage navigation stays visible without collapsing the user's source panel. */
[hidden]{display:none!important}.studio-nav{position:sticky;top:0;z-index:15;display:flex;gap:8px;padding:14px;background:#f5f7fcf5;border-bottom:1px solid #dbe3ef;margin:24px 0 0;backdrop-filter:blur(10px)}.studio-nav button{flex:1;border:1px solid #cbd8f2;border-radius:10px;padding:14px 10px;background:white;color:#38547e;font-weight:700}.studio-nav button[aria-current=step]{background:#3159ee;color:white;border-color:#3159ee}.studio-activity{position:sticky;top:81px;z-index:14;padding:16px 24px;background:#eaf0ff;border:1px solid #a4baf4;border-radius:12px;font-weight:600;color:#2343a5}.studio-activity:before{content:'';display:inline-block;width:18px;height:18px;border:3px solid #b0c0f7;border-top-color:#3159ee;border-radius:50%;animation:studio-spin 1s linear infinite;vertical-align:middle;margin-right:12px}@keyframes studio-spin{to{transform:rotate(360deg)}}.studio-count{font-size:18px;font-weight:650;padding:12px 8px;color:#274775}.milestone h3{font-size:26px;color:#192d4f}.milestone-state{display:inline-block;padding:6px 12px;background:#edf3ff;color:#3159a8;border-radius:6px;font-weight:700}.design-panel,.edit-timeline{padding:20px;background:#f5f8ff;border:1px solid #d5e0f3;border-radius:12px;margin:20px 0}.design-panel summary,.edit-timeline summary{font-weight:700;cursor:pointer}.design-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.design-grid label{display:grid;gap:8px}.design-grid select,.edit-row input,.edit-timeline select{padding:9px;border:1px solid #c8d6ed;border-radius:6px;max-width:100%}.edit-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid #dce4f1}.edit-row label{display:grid;gap:4px}.edit-row input{width:140px}.studio-maintenance{margin:36px 0;color:#65728a}.reference-segments{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.reference-segments button[aria-pressed=true]{background:#3159ee;color:#fff}.reference-panel{margin-top:24px}.reference-panel summary{font-size:22px;font-weight:700}.reference-controls{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.reference-panel video{display:block;margin:16px 0}.studio-maintenance>summary{cursor:pointer}.design-panel p{font-size:14px}@media(max-width:700px){.studio-nav{gap:4px;padding:8px 0}.studio-nav button{font-size:13px;padding:10px 5px}.studio-activity{top:60px}.design-grid{grid-template-columns:1fr}.studio-count{font-size:15px}}