:root{color-scheme:dark;--bg:#101115;--panel:#17181e;--line:#292a34;--muted:#92939f;--text:#e8e7ee;--purple:#a28cff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,"Microsoft Yahei",sans-serif}button,input,textarea{font:inherit}button,a,input,textarea,summary{outline-offset:4px}button{cursor:pointer;color:inherit;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 14px}button:hover{background:#292733}button:disabled{opacity:.5;cursor:wait}input,textarea{color:var(--text);background:#121319;border:1px solid var(--line);border-radius:8px;padding:12px;width:100%}textarea{resize:vertical;line-height:1.8}input:focus,textarea:focus{outline:1px solid var(--purple)}.shell{display:grid;grid-template-columns:228px minmax(400px,1fr) 280px;min-height:100vh}.rail{padding:32px 20px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:#14151a}.brand{display:flex;gap:12px;color:var(--purple);font-size:34px;line-height:1;text-decoration:none;margin:2px 12px 55px}.brand span{color:var(--text);font-size:24px;font-weight:600;letter-spacing:3px}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:12px}.rail-label{font-size:12px;color:#787984;margin:0 12px 14px}nav{display:grid;gap:8px}.nav{border:0;text-align:left;display:flex;align-items:center;gap:12px;padding:12px 14px;color:#a3a2ad;font-size:18px}.nav span{font-size:14px}.nav b{font-size:12px;margin-left:auto;font-weight:400}.nav.active{background:#282335;color:#c3afff}.project{margin-top:46px;border-top:1px solid var(--line);padding:24px 10px}.project small{font-size:12px;color:var(--muted)}.project input{border:0;background:none;padding:12px 0 0;font-size:17px}.project p{font-size:13px;color:#858591;line-height:1.9}.tag{display:inline-block;font-size:12px;color:#b3a7d7;border:1px solid #3a324b;border-radius:5px;padding:3px 8px}.rail-bottom{margin-top:auto;padding-top:50px;color:var(--muted);font-size:12px}.rail-bottom button{border:0;font-size:12px;padding:8px}.local-dot{display:inline-block;width:5px;height:5px;background:#aba3c6;border-radius:50%;margin-right:5px}header{height:83px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 38px;font-size:13px}.breadcrumb{color:#777885}.connection{font-size:12px;padding:6px 10px;color:#aaa5bb}.view{max-width:880px;margin:auto;padding:44px 48px 24px}.eyebrow{font-size:10px;color:#9e8bbd;letter-spacing:2px;margin-bottom:14px}h1{font-family:"Noto Serif SC",serif;font-weight:500;font-size:32px;letter-spacing:2px;margin:0 0 10px}.story-head,.section-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.story-head p,.intro{font-size:14px;color:var(--muted);line-height:1.9}.quiet{font-size:12px;color:var(--muted);border:0;white-space:nowrap}.message{margin:32px 0;white-space:pre-wrap;overflow-wrap:anywhere}.message.assistant{font-family:"Noto Serif SC",serif;font-size:17px;line-height:2.1}.message .author{font:11px system-ui;letter-spacing:2px;color:var(--purple);margin-bottom:15px;display:block}.message.user{border-left:2px solid #776097;background:#1b1923;padding:15px 20px;font-size:14px;border-radius:0 8px 8px 0}.message.user .author{color:#99909e;font-size:10px;margin-bottom:8px}#messages{min-height:340px}#composer{border:1px solid #41404e;background:#191a21;border-radius:12px;overflow:hidden;box-shadow:0 12px 40px #0002}#composer textarea{border:0;background:transparent;min-height:100px;padding:18px 20px;font-size:14px;resize:vertical}#composer textarea:focus{outline:0}.composer-bottom{display:flex;gap:10px;align-items:center;padding:10px 14px}.composer-bottom>span{font-size:11px;color:#85828f;margin-right:auto}.primary{background:#aa91f0;border-color:#aa91f0;color:#15101f;font-size:14px;font-weight:600}.primary:hover{background:#c0a9ff}.primary span{margin-left:12px}.footnote{font-size:11px;text-align:center;color:#73727e;margin-top:14px}#status{font-size:13px;color:#c4afee;margin:15px 0}.context{border-left:1px solid var(--line);padding:31px 25px;background:#14151a}.context-title{font-size:14px;display:flex;justify-content:space-between}.context-title span{color:var(--purple)}.context-desc{font-size:12px;color:#7e7e8a;margin-bottom:35px}.context-block{border-top:1px solid var(--line);padding:22px 0}.context-block small{font-size:11px;color:#85818f}.context-row{display:flex;justify-content:space-between;font-size:13px;margin-top:17px}.context-row span{font-size:11px;color:#9d8ebe}.entry-chip{margin-top:12px;padding:10px 12px;background:#24202e;border:1px solid #3b324b;border-radius:7px;font-size:13px}.entry-chip small{display:block;color:#a693c5;font-size:11px;margin-top:3px}.empty{color:#777581;font-size:12px;padding:18px 0}.note{margin-top:70px;color:#797182;font-family:"Noto Serif SC",serif;font-size:14px;line-height:2}.note span{font-size:30px;color:#a08abb}summary{cursor:pointer;font-size:12px;color:#a59aad}pre{font-size:11px;max-height:350px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:#a7a2b3}.flow{font-size:13px;padding:15px;background:#211d2b;border-radius:8px;color:#baa6df;margin:24px 0}.flow i{padding:0 12px;color:#726581}.editor-card,.world-card,.api-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;margin:20px 0}.editor-card>span{display:flex;gap:12px;align-items:center;color:var(--purple);font-size:13px;margin-bottom:16px}.editor-card strong{color:var(--text);font-size:16px}.editor-card small{margin-left:auto;font-size:12px;color:var(--muted)}.editor-card textarea{font-size:14px}.world-card label,.api-card label{display:block;font-size:14px;color:#aaa4b6;margin:16px 0}.world-card label input,.world-card label textarea,.api-card input{margin-top:8px}.world-top{display:flex;align-items:center;gap:12px}.world-top input[type=checkbox]{width:18px;height:18px;accent-color:var(--purple)}.world-top input[type=text]{font-size:16px}.world-top button{font-size:12px;white-space:nowrap;color:#c9a2ad}.hint{font-size:12px;color:var(--muted)}.actions{display:flex;align-items:center;gap:15px}.actions span{font-size:13px}.api-card input[type=range]{accent-color:var(--purple)}[hidden]{display:none!important}@media(min-width:1500px){.view{padding-top:60px}#messages{min-height:430px}}@media(max-width:1150px){.shell{grid-template-columns:190px minmax(350px,1fr)}.context{grid-column:2;border-left:0;border-top:1px solid var(--line);display:flex;gap:24px;flex-wrap:wrap;padding:24px 38px}.context-desc,.note{display:none}.context-block{border:0;padding:0;min-width:180px}.context-title{width:100%}.view{padding:32px}.rail{grid-row:1/3;padding:28px 12px}.brand{margin-left:10px}header{padding:0 30px}}@media(max-width:650px){.shell{display:block}.rail{padding:16px;border:0}.brand{margin:0 0 20px;font-size:24px}.brand span{font-size:20px}.brand small{display:none}nav{display:flex;gap:3px}.nav{padding:9px;font-size:14px;gap:5px;flex:1;justify-content:center}.nav span{font-size:12px}.nav b,.rail-label,.project,.rail-bottom{display:none}header{height:55px;padding:0 20px}.view{padding:26px 20px}.story-head{align-items:flex-start}h1{font-size:27px}.story-head p{font-size:12px}.eyebrow{font-size:9px}.message.assistant{font-size:16px}#messages{min-height:250px}.composer-bottom>span{font-size:10px}.context{padding:24px 20px}.editor-card{padding:15px}.editor-card small{display:none}.flow{font-size:11px}.flow i{padding:0 3px}.section-head .primary{white-space:nowrap;font-size:12px}}
:root{color-scheme:light;--bg:#fff;--panel:#fff;--line:#e7e9ec;--muted:#747b86;--text:#22262d;--purple:#365dce;--reading-size:17px}
body{background:var(--bg)}.shell{grid-template-columns:216px minmax(0,1fr)}.rail{background:#f8f9fb;padding:30px 18px;min-height:100vh}.brand{color:var(--text);font-size:28px;margin-bottom:46px}.brand span{font-size:22px;letter-spacing:1px}.brand small{font-size:12px}.nav{font-size:15px;padding:12px 14px;color:#68707c}.nav.active{background:#eaf0fc;color:#3158bd;font-weight:600}.nav:hover{background:#eef1f5}.project{padding:22px 10px}.project input{color:var(--text)}.rail-bottom{font-size:13px}.rail-bottom button{font-size:13px}header{height:72px;font-size:14px;padding:0 42px}.connection{font-size:13px;color:var(--muted)}main{min-width:0}.view{max-width:960px;padding:38px 44px 36px}.eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted);margin-bottom:10px}h1{font:600 28px/1.4 system-ui,'Microsoft Yahei',sans-serif;letter-spacing:0}h2{font-size:17px;font-weight:600;margin:0 0 12px}.story-head p{margin:6px 0 0}.work-tools{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 12px}.work-tools button{font-size:14px;padding:7px 12px}.work-tools span{color:var(--muted);margin-left:5px}button{background:var(--panel);border-color:var(--line);border-radius:7px}button:hover{background:#f0f3f8}input,textarea,select{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:7px}input:focus,textarea:focus,select:focus{outline:2px solid #9fb5f0;outline-offset:2px}.primary{background:#315bd5;border-color:#315bd5;color:white;font-weight:500}.primary:hover{background:#264bb8}.quiet{font-size:14px}.message.assistant{font-size:var(--reading-size);font-family:system-ui,'Microsoft Yahei',sans-serif;line-height:2}.message .author{font-size:12px;letter-spacing:.5px;color:#858b96}.message.user{background:#f5f7fb;border-left:2px solid #beccec;color:var(--text);font-size:16px}.message.user .author{font-size:12px;color:var(--muted)}#messages{min-height:260px}.message{margin:30px 0}#composer{background:var(--panel);border-color:#dce0e7;box-shadow:0 4px 20px #27385806;border-radius:12px}#composer textarea{font-size:16px}.composer-bottom>span{font-size:12px}.footnote{font-size:12px;color:#868c95}#status{font-size:14px;color:#4264b8}.context{grid-column:2;border:0;border-top:1px solid var(--line);background:var(--bg);display:flex;flex-wrap:wrap;gap:24px;padding:24px 44px;max-width:960px;width:100%;margin:auto}.context-title{font-size:14px;width:100%}.context-desc,.note{display:none}.context-block{border:0;padding:0;min-width:190px}.context-block small,.context-row span{font-size:12px}.context-row{font-size:14px}.context-row span{color:#687ca8}.entry-chip{background:#f4f6fb;border-color:#e4e9f2;color:var(--text);font-size:14px}.entry-chip small{color:var(--muted)}.empty{font-size:14px;color:var(--muted);padding:30px 0}.flow{background:#f4f6fa;color:#566680;font-size:14px}.editor-card,.world-card,.api-card{box-shadow:none;border-color:var(--line);padding:24px}.editor-card small{font-size:13px}.editor-card textarea{font-size:15px}.api-card label,.world-card label{color:#606976;font-size:14px}.hint{font-size:13px}.world-top button{color:#a94b4b}.back{border:0;padding:0 0 20px;color:var(--muted);font-size:14px}.back:hover{background:none;color:var(--purple)}.list-card{border:1px solid var(--line);border-radius:10px;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:16px 0}.list-card h2{margin:0;overflow-wrap:anywhere}.list-card p{margin:6px 0 0;font-size:14px;color:var(--muted)}.list-card .actions{gap:8px;flex-wrap:wrap;flex-shrink:0}.list-card button{font-size:14px}.list-card .actions button:first-child{color:var(--purple)}.list-card>div:first-child{min-width:0}.section-head{flex-wrap:wrap}.actions{flex-wrap:wrap}select{display:block;width:100%;padding:12px;margin-top:8px;font:inherit}dialog{width:min(440px,calc(100% - 32px));border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);padding:28px;box-shadow:0 20px 80px #17223b26}dialog::backdrop{background:#1c27384d}dialog label{display:block;font-size:14px}dialog input{margin:10px 0 24px}dialog .actions{justify-content:flex-end}#story-title{overflow-wrap:anywhere}#test-result{overflow-wrap:anywhere}pre{color:var(--muted)}summary{color:var(--muted);font-size:13px}
:root[data-theme=dark]{color-scheme:dark;--bg:#15171b;--panel:#1b1e24;--line:#30353e;--muted:#a0a8b5;--text:#e6e9ef;--purple:#9cb7ff}:root[data-theme=dark] .rail{background:#191c21}:root[data-theme=dark] .nav.active,:root[data-theme=dark] .message.user,:root[data-theme=dark] .flow,:root[data-theme=dark] .entry-chip{background:#242d3e;color:var(--text)}:root[data-theme=dark] button:hover{background:#30394b}
@media(min-width:1500px){.view{padding-top:42px}#messages{min-height:330px}}@media(max-width:1150px){.shell{grid-template-columns:190px minmax(0,1fr)}.rail{grid-row:1/3}.view{padding:30px}.context{padding:24px 30px}}@media(max-width:650px){.shell{display:block}.rail{min-height:0;padding:16px 20px;border-bottom:1px solid var(--line)}.brand{margin:0 0 16px}.rail nav{display:flex;gap:6px}.nav{font-size:14px;justify-content:center;padding:10px 6px}.view{padding:26px 20px}.context{padding:22px 20px}.project,.rail-bottom{display:none}header{height:54px;padding:0 20px}.breadcrumb{display:none}h1{font-size:25px}.story-head{gap:8px}.story-head p{font-size:14px}.story-head .quiet{padding:8px 0;font-size:13px}.list-card{align-items:flex-start;flex-direction:column;padding:20px}.composer-bottom{flex-wrap:wrap}.composer-bottom>span{font-size:12px;flex-basis:100%}.composer-bottom .primary{margin-left:auto}.editor-card small{display:none}.flow{font-size:13px}.message.assistant{font-size:var(--reading-size)}.eyebrow{font-size:12px}.editor-card{padding:18px}}

.context-detail .context-block{border-top:1px solid var(--line);padding:24px 0;margin-top:24px;max-width:560px}.context-detail details{margin-top:24px}.context-detail pre{font-size:14px;max-height:60vh}.context-detail .context-row{font-size:16px}.rail{grid-row:1}

.story-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.story-actions>button{font-size:14px}.settings-links{display:grid;gap:12px}.settings-links button{text-align:left;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.settings-links strong{font-weight:500}.settings-links button>span{color:var(--muted);font-size:14px}@media(max-width:650px){.story-actions{max-width:150px}.settings-links button{align-items:flex-start;flex-direction:column;gap:6px}}

.chat-switch{display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;padding:4px 7px;margin:2px 0 0 -7px;color:var(--muted);font-size:15px;max-width:100%;text-align:left}.chat-switch #chat-title{overflow-wrap:anywhere}.story-head>div:first-child{min-width:0}.chat-switch:hover{color:var(--text);background:#f2f4f7}#chat-picker{width:min(420px,calc(100% - 32px));padding:22px}#chat-picker h2{margin:0}#close-chat-picker{border:0;font-size:22px;padding:0 8px;color:var(--muted)}#quick-chats{display:grid;gap:6px;margin:18px 0;max-height:50vh;overflow-y:auto}.quick-chat{display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:12px;border:0}.quick-chat>span{overflow-wrap:anywhere;min-width:0}.quick-chat small{color:var(--muted);font-size:12px;white-space:nowrap}.quick-chat[aria-current=true]{background:#edf2ff;color:#3158bd}.picker-footer{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}.picker-footer button{font-size:14px}

#play-settings{width:min(900px,calc(100% - 32px));max-height:90dvh;padding:26px;overflow-y:auto}
#play-settings>.section-head{align-items:flex-start}#play-settings-heading{font-size:22px;margin:0}#play-settings-close{font-size:24px;border:0;padding:0 10px}
.play-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;border-bottom:1px solid var(--line);padding-bottom:16px}.play-tabs button{font-size:14px}.play-tabs button.active{color:var(--purple);border-color:var(--purple);font-weight:600}
.config-scope-label{font-weight:600}.config-scope-label select{font-weight:400}#config-scope-help{margin:8px 0 16px}
#play-settings .view{padding:8px 0 0;max-width:none;margin:0}#play-settings .view>.back,#play-settings .eyebrow{display:none}#play-settings .view h1{font-size:20px}#play-settings .editor-card small{white-space:normal}
#play-settings .prompt-order{width:120px;display:block;margin:0 0 12px;padding:6px 10px}#play-settings .api-card{margin:14px 0;padding:16px}.world-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.world-options select{font-size:13px;padding:8px}.play-settings-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}#settings-save-state{color:var(--muted);font-size:12px}
@media(max-width:650px){#play-settings{padding:18px;width:calc(100% - 16px);max-height:94dvh}.world-options{grid-template-columns:1fr}.world-options label{margin:4px 0}.play-tabs{gap:6px}.play-tabs button{flex:1 0 40%;padding:8px}.story-actions{max-width:180px}.story-actions>button{font-size:12px}.play-settings-footer button{font-size:13px}}

.chat-bar{display:flex;align-items:center;gap:10px;margin:24px 0 8px;border-bottom:1px solid var(--line);padding-bottom:12px;min-width:0}
#chat-tabs{display:flex;flex:1;min-width:0;overflow-x:auto;gap:8px;padding:3px}
.chat-tab{flex:0 0 auto;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.chat-tab[aria-current=true]{border-color:var(--purple);color:var(--purple);font-weight:600}
#bar-new-chat{flex-shrink:0;font-size:13px}
@media(max-width:650px){.chat-bar{gap:6px}.chat-tab{max-width:150px}#bar-new-chat{padding:9px 8px}}

#play-settings .editor-card .order-label{font-size:12px;color:var(--muted);margin-bottom:6px}

.help-button{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;flex:0 0 auto;width:28px;height:28px;padding:0;margin-left:8px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--muted);font:600 13px/1 system-ui;letter-spacing:0}
.help-button:hover,.help-button:focus-visible{color:var(--purple);border-color:var(--purple)}
#play-settings .help-button{font-size:13px}
#help-dialog{width:min(460px,calc(100% - 32px));max-height:80dvh;padding:24px;overflow-y:auto}
#help-dialog h2{margin:0;font-size:18px}#help-dialog .section-head>button{padding:0 6px;border:0;font-size:24px}
#help-body p{font-size:14px;line-height:1.9;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}
.config-scope-label,#prompt-mode-label{position:relative}
.config-scope-label>.help-button{position:absolute;top:0;right:0}
#prompts .api-card>label{position:relative}#prompts .api-card>label>.help-button{position:absolute;right:0;top:0}
#play-settings .editor-card{margin:14px 0;padding:18px}#play-settings .editor-card>span:first-child{margin-bottom:12px}
#play-settings .editor-card>span:first-child>.help-button{margin-left:auto}

.prompt-block{border:1px solid var(--line);border-radius:9px;margin:10px 0;overflow:hidden}
.prompt-block>summary{display:flex;align-items:center;gap:10px;padding:12px;cursor:pointer;color:var(--text);list-style:none;font-size:14px}
.prompt-block>summary::-webkit-details-marker{display:none}.prompt-block>summary::after{content:'⌄';margin-left:auto;color:var(--muted)}.prompt-block[open]>summary::after{content:'⌃'}
.block-number{display:inline-flex;align-items:center;justify-content:center;min-width:23px;height:23px;border-radius:5px;background:var(--bg);color:var(--muted);font-size:12px}.block-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.prompt-block-body{padding:0 12px 12px}.block-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}.block-actions button{font-size:12px;padding:5px 10px}.add-prompt-block{width:100%;text-align:center;font-size:14px;border-style:dashed;color:var(--purple);margin-top:4px}
#play-settings .prompt-block textarea{font-size:14px;line-height:1.8}

.prompt-grip{flex:0 0 auto;touch-action:none;cursor:grab;user-select:none;font:22px/1 system-ui;color:var(--muted);border:0;background:transparent;padding:5px;width:30px;height:32px}
.prompt-grip:active{cursor:grabbing}.prompt-block.is-dragging{opacity:.5}.prompt-block.drop-before{border-top:3px solid var(--purple)}.prompt-block.drop-after{border-bottom:3px solid var(--purple)}

/* PWA: retain the reading surface and make device edges and touch targets safe. */
body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);min-height:100dvh}
.network-notice{margin:0;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);color:var(--text);font-size:14px}
#install-help{font-size:15px;line-height:1.8}#offline-ready{line-height:1.7}
@media(max-width:650px){
input,textarea,select,.editor-card textarea{font-size:16px}
button{min-height:44px}.story-head{flex-wrap:wrap}.story-actions{flex-wrap:wrap}
.world-top{flex-wrap:wrap}.world-top input[type=text]{flex:1;min-width:100px}
#play-settings{max-height:calc(100dvh - 32px);overflow:auto}
#composer textarea{min-height:100px}.message{overflow-wrap:anywhere}
}

.regex-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.regex-actions input[type=checkbox],.css-toggle input{width:auto;margin:0}.regex-actions input:not([type=checkbox]){flex:1;min-width:120px;margin:0}.regex-card label{display:block;margin-top:14px}.regex-card textarea,#custom-css{font-family:ui-monospace,monospace}.css-toggle{display:flex;gap:10px;align-items:center;margin-bottom:16px}#messages{isolation:isolate;contain:paint}#regex-result{white-space:pre-wrap;overflow-wrap:anywhere}

/* Markdown stays within each message and supports native keyboard-accessible panels. */
.message-body{white-space:normal;overflow-wrap:anywhere;min-width:0}
.message-body p{margin:.6em 0}.message-body>:first-child{margin-top:0}.message-body>:last-child{margin-bottom:0}
.message-body h1,.message-body h2,.message-body h3,.message-body h4,.message-body h5,.message-body h6{font-size:1.1em;line-height:1.6;margin:1em 0 .4em}
.message-body ul,.message-body ol{padding-left:1.6em;margin:.5em 0}.message-body li{margin:.3em 0}
.message-body details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:12px 0}
.message-body summary{cursor:pointer;font-weight:600;line-height:1.7;min-height:30px}
.message-body summary:focus-visible{outline:2px solid var(--purple);outline-offset:4px}
.message-body details[open]>summary{margin-bottom:10px}
.message-body table{border-collapse:collapse;display:block;max-width:100%;overflow:auto;margin:12px 0}
.message-body th,.message-body td{border:1px solid var(--line);padding:7px 10px;text-align:left}
.message-body pre{white-space:pre-wrap;background:var(--bg);padding:12px;border-radius:8px;overflow:auto}
.message-body code{font-family:ui-monospace,monospace;font-size:.9em}
.message-body blockquote{margin:12px 0;padding-left:14px;border-left:3px solid var(--line);color:var(--muted)}
.message-body hr{border:0;border-top:1px solid var(--line);margin:18px 0}

/* Compact work status bar: title, conversation picker, and contextual actions. */
.brand{align-items:center}
.brand .brand-mark{display:block;width:96px;height:44px;flex:0 0 96px}
.quick-chat-row{display:flex;align-items:center;min-width:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}
.quick-chat-row[aria-current=true]{border-color:#b8c7ed;background:#edf2ff}
.quick-chat-row .quick-chat{flex:1 1 auto;min-width:0;background:transparent}
.quick-chat-row .quick-chat[aria-current=true]{background:transparent}
.quick-chat-row .quick-chat>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.quick-chat-rename{flex:0 0 auto;min-height:44px;margin-right:8px;padding:6px 8px;border:0;background:transparent;color:var(--muted);font-size:12px}
.quick-chat-edit{display:flex;align-items:center;gap:6px;width:100%;padding:8px}
.quick-chat-edit input{flex:1 1 auto;min-width:0;margin:0;padding:8px 10px;font-size:15px}
.quick-chat-edit button{flex:0 0 auto;padding:7px 9px;font-size:13px}
:root[data-theme=dark] .quick-chat-row[aria-current=true]{border-color:#46577c;background:#242d3e}
:root[data-theme=dark] .quick-chat-row .quick-chat[aria-current=true]{color:var(--purple)}
#story.view{padding-top:16px}
#story-content>.story-head{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0;margin-bottom:8px}
#story-content>.story-head>div:first-child{min-width:0}
.story-head .eyebrow{display:none}
#story-title{font-size:18px;line-height:1.45;font-weight:600;margin:0;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.story-head .chat-switch{display:inline-flex;align-items:center;gap:8px;max-width:100%;font-size:12px;line-height:1.5;margin:0;padding:3px 0;border:0;background:transparent;color:var(--muted)}
#chat-title{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:220px}
.story-head .story-actions{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:nowrap;min-width:0}
.story-head .story-actions button{font-size:12px;line-height:1.5;padding:7px 9px;min-height:34px;white-space:nowrap}
.story-head .story-actions .quiet{padding:7px 5px;color:var(--muted)}
#story-content>.chat-bar{display:none}
@media(max-width:1000px){
 #story-content>.story-head{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px 0}
 .story-head .story-actions .model-switch{max-width:132px}
}
@media(min-width:651px) and (max-width:850px){
 #story-content>.story-head{gap:6px}
 .story-head .story-actions{gap:4px}
 .story-head .story-actions button{padding:6px 7px}
}
@media(max-width:650px){
 .brand .brand-mark{width:96px;height:44px;flex-basis:96px}
 #story.view{padding-top:8px}
 #story-content>.story-head{grid-template-columns:minmax(0,1fr);gap:8px}
 #story-title{font-size:17px}
 .story-head .chat-switch{min-height:32px;font-size:13px}
 .story-head .story-actions{justify-content:flex-end;flex-wrap:wrap}
 .story-head .story-actions button{min-height:40px;font-size:12px;padding:7px 10px}
}

/* Conversation selector is the first control in the right-aligned action row. */
.story-head .story-actions .chat-switch{border:1px solid var(--line);background:var(--panel);border-radius:7px;padding:7px 9px;color:var(--text);margin:0;min-height:34px}
.story-head .story-actions #chat-title{max-width:150px}
@media(max-width:650px){.story-head .story-actions .chat-switch{min-height:40px;padding:7px 10px}}

#chat-switch .chat-caret{display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;width:16px;flex:0 0 16px;color:currentColor}

.story-head .story-actions .model-switch{display:inline-flex;align-items:center;max-width:240px;color:var(--purple);border-color:#b8c7ed;background:#f5f8ff}
.story-head .story-actions .model-switch:hover{background:#eaf0fc}
@media(min-width:651px) and (max-width:850px){
 .story-head .story-actions .model-switch{max-width:104px}
 .story-head .story-actions #chat-title{max-width:88px}
}
#model-current{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#quick-model-picker{width:min(460px,calc(100% - 32px));padding:22px}
#quick-model-picker h2{margin:0}
#quick-model-picker .hint{margin:4px 0 18px}
#close-model-picker{border:0;font-size:22px;padding:0 8px;color:var(--muted)}
#quick-model-picker .model-categories{display:flex;gap:6px;overflow-x:auto;margin:8px 0 12px;padding:2px;scrollbar-width:thin}
.model-categories button{flex:0 0 auto;min-height:32px;padding:5px 10px;font-size:12px;color:var(--muted);border-color:transparent}
.model-categories button[aria-current=true]{color:var(--purple);border-color:var(--purple);background:#f5f8ff;font-weight:600}
:root[data-theme=dark] .model-categories button[aria-current=true]{background:#242d3e}
#quick-model-picker select{margin:8px 0 12px}
#quick-model-empty{padding:10px 12px;background:var(--bg);border-radius:8px;line-height:1.7}
:root[data-theme=dark] .story-head .story-actions .model-switch{color:var(--purple);border-color:#46577c;background:#242d3e}
:root[data-theme=dark] .story-head .story-actions .model-switch:hover{background:#30394b}
@media(max-width:650px){.story-head .story-actions .model-switch{max-width:min(180px,60vw)}}

#restart-description{font-size:15px;line-height:1.8;overflow-wrap:anywhere}
#restart-dialog .actions{margin-top:24px;gap:10px}
#restart-dialog .danger{background:#b83232;border-color:#b83232;color:#fff}
#restart-dialog .danger:hover{background:#9f2727}

/* The control stays in main so navigation can always be restored. */
.shell{transition:grid-template-columns .2s ease}
.shell>.rail{min-width:0;overflow:hidden;transition:transform .2s ease,opacity .2s ease}
.shell.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}
.shell.sidebar-collapsed>.rail{transform:translateX(-100%);opacity:0;pointer-events:none;visibility:hidden}
@media(max-width:650px){.shell.sidebar-collapsed>.rail{display:none}}
@media(prefers-reduced-motion:reduce){.shell,.shell>.rail{transition:none}}

/* Edge handle remains outside the hidden navigation. */
#sidebar-toggle{position:fixed;left:201px;top:22px;z-index:10;display:flex;align-items:center;justify-content:center;width:30px;height:30px;min-height:30px;padding:0;border-radius:50%;background:var(--panel);color:var(--muted);box-shadow:0 2px 6px #17223b12}
#sidebar-toggle:hover{color:var(--text);background:var(--panel)}
.sidebar-collapsed #sidebar-toggle{left:8px}
.sidebar-collapsed .sidebar-chevron{transform:rotate(180deg)}
@media(max-width:650px){#sidebar-toggle{left:auto;right:12px;top:12px;min-height:36px}.sidebar-collapsed #sidebar-toggle{left:8px;right:auto}.sidebar-collapsed .view,.sidebar-collapsed #story.view{padding-top:52px}}

.message-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px;white-space:normal;font:12px/1.5 system-ui,sans-serif}
.message-actions button{padding:5px 9px;font-size:12px;color:var(--muted);background:transparent;border-color:var(--line)}
.message-actions button:hover{color:var(--text);background:var(--panel)}
#message-edit-dialog{width:min(680px,calc(100% - 32px));max-height:85dvh;overflow:auto}
#message-edit-text{margin:12px 0 18px;max-height:50dvh;font-size:15px}
#message-confirm-description{font-size:15px;line-height:1.8}
#message-confirm-dialog .actions{margin-top:22px}

/* Desktop navigation stays in place while the story scrolls. */
@media(min-width:651px){
 .shell>#sidebar{position:sticky;top:0;align-self:start;height:100dvh;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;grid-row:1}
 #sidebar .rail-bottom{padding-top:24px}
 .sidebar-collapsed .view{padding-left:48px}
}
@media(min-width:651px) and (max-width:1150px){#sidebar-toggle{left:175px}}

/* Creation mode lives outside the play surface and clearly marks work-wide edits. */
.creator-heading{align-items:flex-start;margin-bottom:20px}
.creator-heading .intro{margin:6px 0 0;max-width:620px}
.settings-links .creator-mode,.list-card .creator-mode{color:#315bd5;border-color:#b8c7ed;background:#f5f8ff}
.settings-links .creator-mode:hover,.list-card .creator-mode:hover{background:#eaf0fc}
#config-scope-help{padding:10px 12px;border-radius:8px;background:#f5f7fb;color:#59677c}

/* Accessibility and long-form play refinements. */
:root{--muted:#626b77}
:root[data-theme=dark]{--muted:#a0a8b5}
.breadcrumb,.message .author,.message.user .author,.footnote{color:var(--muted)}
:where(button,a,input,textarea,select,summary):focus-visible{outline:2px solid var(--purple);outline-offset:3px}
#composer:focus-within{border-color:var(--purple);outline:2px solid var(--purple);outline-offset:2px;box-shadow:0 0 0 4px #365dce1f,0 8px 28px #27385812}
.message-body summary{display:flex;align-items:center;min-height:40px}

@media(max-width:650px){
 #story-content>.story-head{gap:6px;padding:8px 0}
 .story-head .story-actions{width:100%;max-width:none;flex-wrap:wrap;justify-content:flex-end;gap:6px;padding:0 0 2px}
 .story-head .story-actions>button{flex:0 0 auto;min-height:40px}
 .story-head .story-actions .model-switch{max-width:132px}
 #model-current{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .message-body summary{min-height:44px}
}

/* Work-wide reading appearance; opacity is local to this device. */
:root{--chat-card-opacity:1;--chat-surface-rgb:255 255 255;--message-border:#cbd4df;--story-background-image:none}
:root[data-theme=dark]{--chat-surface-rgb:30 33 40;--message-border:#4b5361}
main.story-background{background-image:var(--story-background-image);background-size:cover;background-position:center;background-attachment:fixed}
.message.assistant,.message.user{padding:18px 20px;border:1px solid var(--message-border);border-radius:12px;background:rgb(var(--chat-surface-rgb) / var(--chat-card-opacity));color:var(--text)}
.message.user{border-left:2px solid #9eb4e8}
.work-appearance output{color:var(--text);font-variant-numeric:tabular-nums;margin-left:8px}
.work-appearance input[type=file]{font-size:13px;padding:10px}
.work-appearance input[type=range]{cursor:pointer}
.background-controls,.library-create{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.background-controls span{font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.work-detail-link{display:block;width:100%;border:0;padding:0;background:transparent;color:var(--text);text-align:left;text-decoration:none}
.work-detail-link:hover{background:transparent;color:var(--purple)}
.work-detail-link h2{margin:0;color:var(--text)}
.work-detail-link:hover h2{text-decoration:underline;text-underline-offset:4px}
.work-description-teaser{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;max-width:56ch;white-space:pre-wrap}
.work-description-full{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;margin:0}
.work-detail-card{margin:28px 0}
@media(max-width:650px){main.story-background{background-attachment:scroll}.message.assistant,.message.user{padding:16px}.library-create{justify-content:flex-end}}

/* Reader spacing controls are global preferences; work backgrounds remain work-scoped. */
:root{--reading-gutter:0px;--reading-line-height:2}
#messages{padding-inline:var(--reading-gutter)}
.message.assistant,.message.user{font-size:var(--reading-size);line-height:var(--reading-line-height)}
#api .api-card output{font-variant-numeric:tabular-nums;color:var(--text);margin-left:8px}
@media(max-width:650px){#messages{padding-inline:min(var(--reading-gutter),24px)}}

/* Keep the compact action composer available while reading long stories. */
.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}
.shell{--rail-width:216px;--rail-center-offset:108px;--story-gutter:44px}
.shell.sidebar-collapsed{--rail-width:0px;--rail-center-offset:0px}
#story-content{padding-bottom:calc(112px + env(safe-area-inset-bottom))}
#composer{position:fixed;z-index:6;left:calc(50% + var(--rail-center-offset));right:auto;bottom:max(12px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(872px,calc(100% - var(--rail-width) - var(--story-gutter) - var(--story-gutter)));display:flex;align-items:flex-end;gap:8px;padding:8px;box-shadow:0 10px 36px #17223b2b}
#composer textarea{flex:1 1 auto;min-width:0;width:auto;height:64px;min-height:64px;max-height:64px;resize:none;padding:10px 12px;line-height:1.5}
#composer .composer-bottom{flex:0 0 auto;display:flex;flex-wrap:nowrap;align-items:center;gap:8px;padding:0}
#composer .composer-bottom .primary{margin-left:auto;min-height:44px}
#composer #send{padding:6px 10px;line-height:1.2;white-space:nowrap}
#composer #send span{margin-left:4px}
html{scroll-padding-bottom:calc(112px + env(safe-area-inset-bottom))}
#status{scroll-margin-bottom:calc(112px + env(safe-area-inset-bottom))}
.mod-card{border-top:1px solid var(--line);padding:20px 0;min-width:0}
.mod-top{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px}.mod-top h2{min-width:0;margin:0;font-size:17px;overflow-wrap:anywhere}
.mod-toggle{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:0;flex-shrink:0;cursor:pointer;font-size:13px}
.mod-toggle input{width:18px;height:18px;padding:0;margin:0;accent-color:var(--purple)}
.mod-meta{margin:4px 0 0;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.mod-body{padding-top:16px}.mod-body>label,.mod-wrappers>label{display:block;margin:0 0 16px;font-size:14px}
.mod-body input,.mod-body textarea{margin-top:6px}
.mod-world,.mod-wrappers{border-top:1px solid var(--line);padding:12px 0;margin-top:12px}
.mod-world>summary,.mod-wrappers>summary{min-height:44px;padding:10px 0;cursor:pointer;color:var(--text);font-size:14px}
.mod-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.mod-body>.mod-actions{margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
#mods button,#pack-play-mod{min-height:44px}#mods select{min-height:44px}
#mods .world-card{margin:12px 0;padding:16px}#mods .world-top input[type=checkbox]{width:24px;height:24px;margin:0}
#mods .world-options{margin-top:12px}#mods .world-options label{min-width:0}
#mods :focus-visible,#pack-play-mod:focus-visible{outline:2px solid var(--purple);outline-offset:3px}
#mod-status:empty,#pack-mod-status:empty{display:none}#pack-play-mod-area{margin:16px 0}
@media(max-width:650px){.mod-heading{align-items:flex-start;flex-wrap:wrap;gap:12px}.mod-top{gap:8px}.mod-actions button{flex:1 1 auto}#mods .world-card{padding:12px}.mod-body>.mod-actions{display:grid;grid-template-columns:1fr 1fr}}
@media(max-width:1150px){.shell{--rail-width:190px;--rail-center-offset:95px;--story-gutter:30px}}
@media(max-width:650px){
 .shell{--rail-width:0px;--rail-center-offset:0px;--story-gutter:20px}
 #composer{bottom:max(8px,env(safe-area-inset-bottom))}
 #composer textarea{height:64px;min-height:64px;max-height:64px;padding:10px 12px}
}

/* Operational notices stay with controls, not in the story transcript. */
.story-notice{grid-column:1/-1;display:flex;align-items:center;gap:8px;min-width:0}
.story-notice #status{flex:1;min-width:0;max-height:4lh;overflow:auto;margin:0;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.story-notice #status-clear{flex:none;min-height:36px;padding:6px 10px;font-size:12px}
.sidebar-notice{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:8px}
.sidebar-notice #export-status{font-size:12px;line-height:1.5;overflow-wrap:anywhere}
.sidebar-notice #export-status-clear{min-height:32px;padding:3px 7px;font-size:12px}
.story-notice:has(#status:empty),.sidebar-notice:has(#export-status:empty){display:none}
#status:empty,#status:empty + #status-clear,#export-status:empty,#export-status:empty + #export-status-clear{display:none}