@font-face {
  font-family: 'Noto Sans SC';
  src: url('assets/NotoSansSC-VF.ttf') format('truetype');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {font-family:DM;src:url('assets/dm-sans-600.ttf');font-weight:600;font-display:swap}
:root {
  font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;
  font-size:14px;font-weight:400;font-synthesis:none;color-scheme:dark;
  --bg:#111111;--sidebar-bg:#171717;--surface:#222222;--raised:#282828;
  --hover:#303030;--line:#383838;--text:#f2f2f2;--muted:#adadad;--sidebar:228px;
  color:var(--text);background:var(--bg);
}
*{box-sizing:border-box}
body{margin:0;min-width:320px}
button,input,textarea,select{font:inherit}
button,input,textarea,select,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:0;background:none;color:inherit;transition:background .16s,color .16s,border-color .16s}
button:hover{background:var(--hover)}
button:disabled{cursor:not-allowed;opacity:.45}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #dedede;outline-offset:3px}
button,input,textarea{caret-color:var(--text)}
::selection{background:#d5d5d5;color:#111}
::-webkit-scrollbar{width:6px;height:4px}
::-webkit-scrollbar-thumb{background:#484848;border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
[hidden]{display:none!important}
svg.icon{width:20px;height:20px;stroke:currentColor;stroke-width:1.65;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
i[data-icon]{display:inline-flex;align-items:center;justify-content:center;font-style:normal}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);height:100dvh;background:var(--sidebar-bg);border-right:1px solid #242424;display:flex;flex-direction:column;padding:29px 17px 0;z-index:10}
.brand{display:flex;gap:9px;align-items:center;padding:0 9px;font-family:DM,'Noto Sans SC',sans-serif;font-size:24px;font-weight:600;letter-spacing:-1px}
.brand-mark{width:34px;height:30px}
.new-button{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#262626;border:1px solid var(--line);border-radius:8px;padding:12px 15px;font-size:14px;font-weight:400}
.sidebar>.new-button{margin:31px 0 20px;flex-shrink:0}
.primary-nav{display:grid;gap:6px;padding-bottom:26px;border-bottom:1px solid #2b2b2b;flex-shrink:0}
.nav-item{display:flex;align-items:center;gap:13px;text-align:left;padding:12px 15px;border-radius:8px;font-size:14px;color:#c0c0c0}
.nav-item.active{background:var(--hover);color:var(--text)}
.section-label{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);padding:0 11px;margin:18px 0 7px}
.icon-button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:6px;color:#bcbcbc;flex-shrink:0}
.icon-button svg.icon{width:17px;height:17px}
.history-section{min-height:70px;flex-shrink:1;overflow-y:auto}
.history-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:6px;font-size:12px;color:#bababa;text-align:left;width:100%;white-space:nowrap}
.history-item span{overflow:hidden;text-overflow:ellipsis}
.history-item svg.icon{width:15px;height:15px;color:#aaa}
.history-empty{font-size:12px;color:var(--muted);line-height:1.8;margin:8px 11px}
.history-row{display:flex;align-items:center;position:relative;min-width:0;border-radius:6px}
.history-row:hover,.history-row:focus-within{background:#252525}
.history-row .history-item{flex:1;min-width:0;padding-right:2px}
.history-row .history-item:hover{background:none}
.history-more{width:26px;height:28px;margin-right:3px;opacity:0;pointer-events:none}
.history-row:hover .history-more,.history-row:focus-within .history-more{opacity:1;pointer-events:auto}
.history-rename{width:100%;min-width:0;margin:5px;height:30px;background:var(--surface);border:1px solid #bcbcbc;border-radius:4px;padding:5px 7px;color:var(--text);font-size:12px}
.sidebar-bottom{margin-top:auto;padding-top:20px;flex-shrink:0}
.profile{display:flex;align-items:center;text-align:left;gap:10px;width:100%;border-top:1px solid #2b2b2b;padding:19px 4px 22px}
.profile strong{font-size:12px;font-weight:400;display:block}
.profile>i{margin-left:auto}
.avatar{display:inline-flex;align-items:center;justify-content:center;background:#e3e3e3;color:#252525;width:34px;height:34px;border-radius:50%;font-family:DM,sans-serif;font-size:12px;font-weight:600}
.avatar.small{width:29px;height:29px;font-size:10px}
main{margin-left:var(--sidebar);min-height:100vh}
.topbar{height:76px;padding:0 44px;display:flex;align-items:center;justify-content:space-between}
.breadcrumb{display:flex;align-items:center;gap:15px;font-size:12px;color:var(--muted)}
.breadcrumb strong{font-weight:400;color:#dedede}
.slash{color:#777}
.top-actions{display:flex;align-items:center;gap:18px}
.text-button{display:inline-flex;gap:8px;align-items:center;font-size:12px;color:#bfbfbf;padding:6px 0}
.text-button svg.icon{width:15px;height:15px}
.top-divider{height:15px;width:1px;background:var(--line)}
.content{max-width:1550px;margin:auto;padding:0 44px 44px}
.creation{max-width:1000px;margin:auto;text-align:center;padding:32px 0 0}
.creation h1{font-size:32px;line-height:1.5;font-weight:400;letter-spacing:-.6px;margin:0 0 24px}
.mode-switch{display:inline-flex;gap:4px;padding:4px;background:var(--surface);border-radius:10px;margin-bottom:24px}
.mode-switch button{display:flex;align-items:center;justify-content:center;gap:8px;width:109px;height:34px;border-radius:7px;color:#bdbdbd;font-size:14px}
.mode-switch button.selected{background:#f2f2f2;color:#191919}
.mode-switch svg.icon{width:16px;height:16px}
.composer{position:relative;padding:22px 22px 16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;text-align:left;transition:border-color .16s}
.composer:focus-within{border-color:#737373}
.composer-input{display:flex;gap:18px;min-height:104px}
.upload-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:64px;height:72px;flex-shrink:0;border:1px dashed #606060;border-radius:9px;color:#bababa}
.upload-tile span{font-size:12px}
.upload-tile svg.icon{width:23px;height:23px}
.composer textarea{width:100%;min-height:85px;max-height:250px;resize:vertical;border:0;background:none;color:var(--text);font-size:15px;line-height:1.8;padding:3px 0;outline:none}
.composer textarea::placeholder{color:var(--muted)}
.composer textarea:focus-visible{outline:none}
.composer-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:9px}
.composer-settings{display:flex;align-items:center;gap:8px;min-width:0}
.native-select{display:none!important}
.select-control{display:inline-flex;min-width:0}
.select-trigger{display:flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:6px 10px;border:1px solid #454545;border-radius:8px;font-size:13px;color:#e5e5e5;background:#272727;white-space:nowrap}
.select-trigger>svg.icon{width:17px;height:17px;color:#cecece}
.select-trigger:hover,.select-trigger.is-open{background:#343434;border-color:#666}
.select-chevron{display:inline-flex;color:#c5c5c5;transition:transform .16s}
.select-chevron svg.icon{width:13px;height:13px}
.select-trigger.is-open .select-chevron{transform:rotate(180deg)}
.control-divider{height:16px;width:1px;background:#474747;margin:0 2px}
.send-button{display:flex;align-items:center;justify-content:center;width:38px;height:38px;flex-shrink:0;border-radius:10px;background:#f2f2f2;color:#191919}
.send-button:hover{background:#fff}
.references{display:flex;flex-wrap:wrap;gap:10px}
.reference{position:relative;width:45px;height:45px;margin-bottom:12px}
.reference img{width:100%;height:100%;object-fit:cover;border-radius:5px}
.reference button{position:absolute;top:-6px;right:-6px;border-radius:50%;background:#555;width:18px;height:18px;padding:1px}
.reference svg.icon{width:13px;height:13px}
.shortcut-section{margin:28px 0 36px;min-width:0}
.shortcut-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:16px;min-width:0;padding:4px 0 8px}
.shortcut{display:flex;flex-direction:column;align-items:center;gap:11px;min-width:0;padding:0 0 4px;border-radius:12px;font-size:14px;white-space:nowrap}
.shortcut:hover{background:transparent}
.shortcut-icon{display:flex;align-items:center;justify-content:center;height:64px;width:100%;max-width:144px;border-radius:12px;background:var(--surface);color:#e9e9e9;transition:background .16s}
.shortcut-icon svg.icon{width:28px;height:28px;stroke-width:1.5}
.shortcut:hover .shortcut-icon{background:#323232}
.shortcut-label{font-weight:400;line-height:1.6}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}
.section-heading>div{display:flex;gap:17px;align-items:baseline}
.section-heading h2{font-size:20px;font-weight:500;letter-spacing:-.3px;margin:0}
.community-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tabs button{font-size:13px;color:#bdbdbd;padding:8px 15px;border-radius:7px}
.filter-tabs button.active{background:var(--hover);color:var(--text)}
.search{display:flex;align-items:center;gap:8px;background:#1b1b1b;border:1px solid #303030;border-radius:7px;height:34px;padding:0 10px;width:195px;color:#b0b0b0}
.search svg.icon{width:15px;height:15px}
.search input{background:none;outline:none;border:0;min-width:0;width:100%;font-size:12px;color:var(--text)}
.search input::placeholder{color:var(--muted)}
kbd{font-size:11px;border:1px solid #505050;border-radius:3px;min-width:16px;text-align:center;color:#bdbdbd}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px 16px}
.art-card{padding:0;display:block;text-align:left;min-width:0;border-radius:12px}
.art-card:hover{background:transparent}
.art-image{position:relative;overflow:hidden;aspect-ratio:4/3;border-radius:12px;background:var(--surface)}
.art-image>img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s cubic-bezier(.16,1,.3,1)}
.art-image>video{width:100%;height:100%;object-fit:contain;background:var(--bg)}
.art-card:hover .art-image>img{transform:scale(1.035)}
.art-badge{position:absolute;left:10px;top:10px;display:flex;align-items:center;gap:5px;background:#111b;color:#f2f2f2;border:1px solid #ffffff40;border-radius:4px;padding:4px 7px;font-size:10px}
.art-badge svg.icon{width:12px;height:12px}
.art-arrow{position:absolute;right:10px;bottom:10px;width:27px;height:27px;border-radius:50%;background:#ededed;color:#222;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .16s}
.art-arrow svg.icon{width:15px;height:15px}
.art-card:hover .art-arrow,.art-card:focus-visible .art-arrow{opacity:1}
.art-meta{padding:12px 2px}
.art-meta h3{font-size:14px;font-weight:400;margin:0 0 7px;line-height:1.6;color:var(--text)}
.art-meta p{font-size:12px;color:var(--muted);margin:0;display:flex;align-items:center;gap:6px}
.author-avatar{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;border-radius:50%;background:#424242;color:#eee;font-size:8px;font-family:DM,sans-serif}
.gallery-footer{display:flex;align-items:center;justify-content:flex-end;padding-top:17px}
.assets-page{padding-top:35px;min-height:65vh}
.assets-page h1{font-size:27px;font-weight:400}
.empty-state{grid-column:1/-1;padding:65px 20px;text-align:center;color:var(--muted);font-size:14px;line-height:2}
.mobile-menu,.sidebar-scrim{display:none}
dialog{border:1px solid #454545;border-radius:16px;background:#1c1c1c;color:var(--text);padding:0;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);box-shadow:0 24px 90px #0008}
dialog::backdrop{background:#050505c9;backdrop-filter:blur(5px)}
.dialog-close{position:absolute;right:13px;top:13px;background:#111b;z-index:2;color:#fff}
#detail-dialog{width:870px}
#detail-content{display:grid;grid-template-columns:1.2fr 1fr}
#detail-content>img{width:100%;height:520px;object-fit:cover}
.detail-info{padding:65px 30px 30px;display:flex;flex-direction:column;align-items:flex-start}
.detail-info h2{font-size:24px;font-weight:500;margin:10px 0}
.detail-info .tag{font-size:12px;color:var(--muted)}
.detail-info p{font-size:14px;color:#c5c5c5;line-height:2}
.detail-info small{color:var(--muted);font-size:12px;line-height:1.8}
.detail-info button{background:#ededed;border-radius:8px;padding:11px 17px;color:#222;margin-top:auto;font-size:14px;display:flex;align-items:center;gap:8px}
.toast{position:fixed;bottom:85px;left:calc(50% + 70px);transform:translate(-50%,12px);padding:12px 20px;border:1px solid #5d5d5d;background:#2c2c2c;color:var(--text);border-radius:8px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .16s,transform .16s;z-index:100;max-width:85vw}
.toast.visible{opacity:1;transform:translate(-50%,0)}
.undo-bar{position:fixed;bottom:26px;left:calc(50% + 70px);transform:translateX(-50%);z-index:55;background:#282828;border:1px solid #5d5d5d;border-radius:8px;padding:12px 17px;display:flex;gap:25px;align-items:center;font-size:13px;box-shadow:0 8px 24px #0004}
.undo-bar button{color:#f2f2f2;font-weight:500;padding:3px 6px;text-decoration:underline;text-underline-offset:4px}
#workspace-dialog{width:1000px}
.workspace-header{display:flex;align-items:center;justify-content:space-between;padding:19px 23px;border-bottom:1px solid var(--line)}
.workspace-header>div{display:flex;align-items:center;gap:12px;min-width:0}
.workspace-header input{border:0;background:none;outline:none;color:var(--text);width:260px;max-width:100%;font-size:15px}
.workspace-caption{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;padding:15px 24px}
.workspace-footer{display:flex;align-items:center;justify-content:flex-end;padding:18px 24px;gap:20px;border-top:1px solid var(--line)}
.save-button{background:#ededed;color:#222;border-radius:8px;padding:10px 15px;display:flex;gap:7px;align-items:center;font-size:14px}
.board-preview{background-color:#151515;background-image:radial-gradient(#363636 1px,transparent 1px);background-size:20px 20px;min-height:330px;display:grid;grid-template-columns:1fr 35px 1.2fr 35px 1fr;align-items:center;padding:35px;gap:6px}
.draft-node{border:1px solid #505050;background:var(--surface);border-radius:12px;padding:14px;min-width:0}
.draft-node h3{margin:0 0 13px;color:#dedede;font-size:14px;font-weight:500}
.draft-node img{max-width:100%;height:130px;object-fit:cover;border-radius:6px}
.draft-node p{font-size:13px;color:var(--muted);line-height:1.8}
.draft-node textarea,.chat-draft{width:100%;min-height:145px;resize:vertical;background:#191919;border:1px solid #484848;border-radius:7px;color:var(--text);padding:10px;font-size:14px;line-height:1.9}
.node-link{height:1px;background:#909090;position:relative}
.node-link:after{content:'';position:absolute;width:5px;height:5px;border:1px solid #aaa;border-radius:50%;right:0;top:-3px;background:#333}
.chat-wrapper{padding:24px;min-height:290px}
.chat-draft{min-height:210px}
.info-dialog{padding:40px;grid-column:1/-1}
.info-dialog h2{font-size:22px;font-weight:500}
.info-dialog p{color:#c5c5c5;line-height:2;font-size:14px}
.info-dialog kbd{display:inline-block;padding:2px 7px;margin:0 6px}
.canvas-menu{position:fixed;z-index:50;min-width:150px;padding:6px;border:1px solid #454545;border-radius:12px;background:var(--raised);box-shadow:0 10px 28px #0005}
.canvas-menu button{display:block;width:100%;padding:10px 14px;border-radius:7px;text-align:left;font-size:14px;color:var(--text)}
.canvas-menu button:hover,.canvas-menu button:focus-visible{background:#383838}
.select-popup{position:fixed;z-index:70;padding:6px;border:1px solid #454545;border-radius:12px;background:var(--raised);box-shadow:0 10px 28px #0005;overflow-y:auto;opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top left;transition:opacity 120ms ease,transform 120ms cubic-bezier(.16,1,.3,1);pointer-events:none}
.select-popup[data-side="above"]{transform:translateY(6px) scale(.98);transform-origin:bottom left}
.select-popup.is-open{opacity:1;transform:translateY(0) scale(1);transition-duration:160ms;pointer-events:auto}
.select-popup[aria-hidden="true"]{pointer-events:none}
.select-popup button{display:flex;align-items:center;gap:11px;width:100%;min-height:44px;padding:9px 12px;border-radius:7px;text-align:left;font-size:14px;color:#e7e7e7}
.select-popup button>svg.icon{width:19px;height:19px}
.select-popup button:hover,.select-popup button:focus-visible{background:#3b3b3b;outline:none}
.select-popup button[aria-selected="true"]{background:#353535;color:#fff}
.option-label{flex:1}
.option-check{display:inline-flex;width:18px;flex-shrink:0}
.option-check svg.icon{width:18px;height:18px}
@media(min-width:1700px){
  :root{--sidebar:250px}.topbar{height:90px;padding:0 55px}.content{padding:0 55px 55px}.creation{padding-top:45px}.composer-input{min-height:120px}.shortcut-section{margin-top:34px;margin-bottom:40px}
}
@media(max-width:1200px){
  :root{--sidebar:205px}.content{padding:0 28px 40px}.topbar{padding:0 28px}.gallery{grid-template-columns:repeat(3,minmax(0,1fr))}.filter-tabs{gap:2px}.filter-tabs button{padding:8px 11px}.community-controls{gap:12px}.search{width:170px}
}
@media(max-width:1100px){
  .shortcut-row{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:96px;gap:16px;overflow-x:auto;overscroll-behavior-x:contain;scroll-padding:0 4px;padding:4px 3px 12px}.shortcut-icon{max-width:none}
}
@media(max-width:780px){
  :root{--sidebar:0px}.sidebar{width:228px;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.sidebar.open+.sidebar-scrim{display:block;position:fixed;inset:0;background:#0009;z-index:9}.mobile-menu{display:flex}.topbar{height:64px;padding:0 20px}.top-actions{gap:12px}.top-actions .text-button,.top-divider{display:none}.breadcrumb{gap:10px}.content{padding:0 20px 32px}.creation{padding-top:24px}.creation h1{font-size:26px;letter-spacing:-.6px;margin-bottom:23px}.mode-switch{margin-bottom:22px}.mode-switch button{font-size:14px}.composer{padding:16px}.composer-input{gap:12px;min-height:108px}.upload-tile{width:48px;height:58px;gap:6px}.upload-tile span{font-size:11px}.upload-tile svg.icon{width:21px;height:21px}.composer textarea{font-size:15px;min-width:0}.composer-footer{gap:6px}.composer-settings{gap:5px}.control-divider{display:none}.select-trigger{font-size:12px;min-height:34px;padding:5px 7px;gap:5px}.select-trigger>svg.icon{display:none}.select-chevron svg.icon{width:12px;height:12px}.send-button{width:34px;height:34px}.shortcut-section{margin:22px 0 28px}.shortcut-row{grid-auto-columns:88px;gap:12px}.shortcut-icon{height:64px}.shortcut-label{font-size:14px}.section-heading{margin-bottom:18px}.section-heading h2{font-size:20px}.community-controls{gap:14px;align-items:flex-start;flex-direction:column}.filter-tabs{gap:3px}.filter-tabs button{font-size:12px;padding:7px 11px}.search{width:100%;height:36px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.art-image{aspect-ratio:1}.art-meta h3{font-size:13px}.art-meta p{font-size:11px}.art-badge{left:7px;top:7px;font-size:9px;padding:3px 5px}.gallery-footer{padding-top:12px}.toast{left:50%;width:max-content;max-width:90vw}.undo-bar{left:50%;max-width:calc(100vw - 32px);white-space:nowrap}.history-more{opacity:1;pointer-events:auto}#detail-content{grid-template-columns:1fr}#detail-content>img{height:250px}.detail-info{padding:22px;gap:8px}.detail-info h2{margin:0}.detail-info p{margin:0}.detail-info button{margin-top:15px}.board-preview{grid-template-columns:1fr;padding:18px;gap:12px;max-height:52vh;overflow:auto}.node-link{display:none}.workspace-header{padding:18px}.workspace-header input{width:220px;font-size:14px}.draft-node img{height:85px}.draft-node textarea{min-height:100px}.info-dialog{padding:30px 22px}
}
@media(hover:none),(pointer:coarse){.history-more{opacity:1;pointer-events:auto}}
/* The input stays in document flow. Canvas expansion is anchored at its top. */
.composer-slot{position:relative;overflow:clip;width:100%;margin-inline:auto;border-radius:16px;text-align:left}
.creation[data-composer-state="canvas-compact"] .composer-slot{width:84%}
.canvas-shortcuts-slot:empty{display:none}
.canvas-shortcuts-slot .shortcut-section{margin:0 0 24px}
.composer.is-compact{height:56px;padding:0;border-radius:16px}
.composer.is-compact>.composer-input,.composer.is-compact>.references,.composer.is-compact>.composer-footer{display:none}
.composer-expand{display:flex;align-items:center;gap:16px;width:100%;height:54px;padding:0 16px 0 20px;border-radius:15px;text-align:left;color:var(--muted)}
.composer-expand>span:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}
.composer-expand-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:30px;height:30px;border-radius:9px;background:#383838;color:#dedede}
.composer-expand-icon svg.icon{width:17px;height:17px}
.composer-expand:focus-visible{outline-offset:-4px}
.creation[data-composer-state^="canvas"]{padding-bottom:32px}
@media(max-width:600px){.canvas-shortcuts-slot .shortcut-section{margin-bottom:20px}.composer-expand{padding-left:16px;gap:10px}.composer-expand>span:first-child{font-size:14px}.creation[data-composer-state^="canvas"]{padding-bottom:28px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}