:root{
  color-scheme:light;
  --fm-accent:#6d4aff;
  --fm-accent-2:#8b5cf6;
  --fm-bg:#f4f5f8;
  --fm-sidebar:#ffffff;
  --fm-surface:#ffffff;
  --fm-surface-2:#f7f7fa;
  --fm-surface-3:#eeeff4;
  --fm-text:#171821;
  --fm-muted:#737786;
  --fm-faint:#a3a7b2;
  --fm-border:rgba(27,31,44,.10);
  --fm-border-strong:rgba(27,31,44,.16);
  --fm-shadow:0 18px 50px rgba(24,28,40,.08);
  --fm-shadow-soft:0 8px 24px rgba(24,28,40,.07);
  --fm-danger:#dc3545;
  --fm-success:#16a36a;
  --fm-warning:#d97706;
  --fm-radius:16px;
}
html[data-theme="dark"]{
  color-scheme:dark;
  --fm-bg:#0f1012;
  --fm-sidebar:#141517;
  --fm-surface:#191a1d;
  --fm-surface-2:#202124;
  --fm-surface-3:#292a2e;
  --fm-text:#f5f5f7;
  --fm-muted:#a7a9b2;
  --fm-faint:#747781;
  --fm-border:rgba(255,255,255,.08);
  --fm-border-strong:rgba(255,255,255,.15);
  --fm-shadow:0 22px 60px rgba(0,0,0,.30);
  --fm-shadow-soft:0 10px 28px rgba(0,0,0,.20);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:var(--fm-bg);color:var(--fm-text)}
button,input,select{font:inherit}
button,a,select{outline:none}
button{border:0;cursor:pointer;color:inherit}
svg{display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}
.fm-page{overflow:hidden}
.fm-app{height:100vh;display:grid;grid-template-columns:236px minmax(0,1fr);background:var(--fm-bg)}
.fm-sidebar{position:relative;display:flex;flex-direction:column;min-width:0;padding:24px 18px 18px;border-right:1px solid var(--fm-border);background:var(--fm-sidebar)}
.fm-brand{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 8px;margin-bottom:24px;color:var(--fm-text);text-decoration:none}
.fm-brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--fm-accent)}
.fm-brand-mark svg{width:38px;height:38px;stroke-width:2}
.fm-brand strong{font-size:18px;line-height:1.1}.fm-brand small{margin-left:8px;color:var(--fm-muted);font-size:11px;font-weight:700}
.fm-primary-action,.fm-primary-inline{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;background:linear-gradient(135deg,var(--fm-accent),var(--fm-accent-2));color:#fff;font-weight:800;box-shadow:0 10px 22px color-mix(in srgb,var(--fm-accent) 24%,transparent);transition:transform .14s ease,filter .14s ease}
.fm-primary-action{width:100%;height:44px;margin-bottom:22px}.fm-primary-action svg{width:19px}.fm-primary-action:hover,.fm-primary-inline:hover{filter:brightness(1.06);transform:translateY(-1px)}
.fm-nav{display:grid;gap:5px;padding-bottom:20px;border-bottom:1px solid var(--fm-border)}
.fm-nav-item{height:42px;display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:10px;padding:0 12px;border-radius:11px;background:transparent;color:var(--fm-muted);text-align:left;font-weight:700}
.fm-nav-item svg{width:20px}.fm-nav-item b{min-width:24px;padding:2px 7px;border-radius:999px;background:var(--fm-surface-3);color:var(--fm-muted);font-size:11px;text-align:center}
.fm-nav-item:hover{background:var(--fm-surface-2);color:var(--fm-text)}.fm-nav-item.is-active{background:color-mix(in srgb,var(--fm-accent) 12%,var(--fm-surface));color:var(--fm-accent)}
.fm-section-label{margin:0 0 12px;color:var(--fm-muted);font-size:12px;font-weight:900;letter-spacing:.08em}
.fm-storage-card{margin-top:22px;padding:15px;border:1px solid var(--fm-border);border-radius:14px;background:var(--fm-surface-2)}
.fm-storage-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.fm-storage-head strong{font-size:14px}.fm-storage-head span{overflow:hidden;color:var(--fm-muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.fm-progress{height:7px;margin:12px 0 8px;border-radius:999px;background:var(--fm-surface-3);overflow:hidden}.fm-progress i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--fm-accent),#45b8ff);transition:width .35s ease}
.fm-storage-card>p{margin:0 0 13px;color:var(--fm-muted);font-size:10px}.fm-storage-card dl{display:grid;gap:8px;margin:0}.fm-storage-card dl div{display:flex;justify-content:space-between;gap:8px;color:var(--fm-muted);font-size:11px}.fm-storage-card dt,.fm-storage-card dd{margin:0}.fm-storage-card dd{color:var(--fm-text);font-weight:700}
.fm-sidebar-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 8px 0;color:var(--fm-muted);font-size:11px}.fm-sidebar-foot a{color:var(--fm-accent);font-weight:800;text-decoration:none}
.fm-main{min-width:0;display:flex;flex-direction:column;height:100vh;overflow:hidden}
.fm-topbar{position:relative;z-index:40;flex:0 0 78px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px;border-bottom:1px solid var(--fm-border);background:color-mix(in srgb,var(--fm-bg) 88%,transparent);backdrop-filter:blur(18px);overflow:visible}
.fm-heading h1{margin:0 0 3px;font-size:22px;letter-spacing:-.02em}.fm-heading p{margin:0;color:var(--fm-muted);font-size:12px}
.fm-top-actions{display:flex;align-items:center;gap:10px;min-width:0}
.fm-search{width:min(390px,32vw);height:40px;display:flex;align-items:center;gap:9px;padding:0 12px;border:1px solid var(--fm-border);border-radius:11px;background:var(--fm-surface);box-shadow:var(--fm-shadow-soft)}
.fm-search:focus-within{border-color:color-mix(in srgb,var(--fm-accent) 55%,var(--fm-border));box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 13%,transparent)}.fm-search svg{flex:0 0 18px;width:18px;color:var(--fm-muted)}.fm-search input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--fm-text);font-size:13px}.fm-search input::placeholder{color:var(--fm-faint)}
kbd{display:inline-flex;align-items:center;justify-content:center;min-height:21px;padding:0 6px;border:1px solid var(--fm-border);border-bottom-color:var(--fm-border-strong);border-radius:5px;background:var(--fm-surface-2);color:var(--fm-muted);font:700 10px/1 system-ui}
.fm-segment{display:flex;padding:3px;border:1px solid var(--fm-border);border-radius:11px;background:var(--fm-surface)}.fm-segment button,.fm-icon-btn{display:grid;place-items:center;background:transparent;color:var(--fm-muted)}.fm-segment button{width:33px;height:32px;border-radius:8px}.fm-segment button svg,.fm-icon-btn svg{width:18px;height:18px}.fm-segment button:hover,.fm-segment button.is-active,.fm-icon-btn:hover{background:var(--fm-surface-3);color:var(--fm-text)}.fm-segment button.is-active{color:var(--fm-accent)}
.fm-icon-btn{width:38px;height:38px;border:1px solid var(--fm-border);border-radius:11px;background:var(--fm-surface)}.fm-icon-btn.fm-small{width:28px;height:28px;border:0;font-size:20px}
html[data-theme="light"] .fm-theme-sun{display:none}html[data-theme="dark"] .fm-theme-moon{display:none}
.fm-avatar{width:37px;height:37px;display:grid;place-items:center;border:2px solid color-mix(in srgb,var(--fm-accent) 35%,var(--fm-border));border-radius:50%;background:linear-gradient(145deg,color-mix(in srgb,var(--fm-accent) 26%,var(--fm-surface)),var(--fm-surface));color:var(--fm-text);font-weight:900}
.fm-workspace{min-height:0;flex:1;display:grid;grid-template-columns:minmax(0,1fr);gap:18px;padding:18px 28px 24px;overflow:hidden}
.fm-browser{min-width:0;min-height:0;display:flex;flex-direction:column;border:1px solid var(--fm-border);border-radius:var(--fm-radius);background:var(--fm-surface);box-shadow:var(--fm-shadow);overflow:hidden}
.fm-browser-toolbar{flex:0 0 59px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:10px 16px;border-bottom:1px solid var(--fm-border)}
.fm-filter-tabs{display:flex;align-items:center;gap:6px}.fm-filter-tabs button{height:34px;padding:0 13px;border-radius:9px;background:transparent;color:var(--fm-muted);font-size:12px;font-weight:800}.fm-filter-tabs button span{display:inline-grid;place-items:center;min-width:20px;margin-left:5px;padding:2px 5px;border-radius:999px;background:var(--fm-surface-3);font-size:10px}.fm-filter-tabs button:hover,.fm-filter-tabs button.is-active{background:var(--fm-surface-2);color:var(--fm-text)}.fm-filter-tabs button.is-active{color:var(--fm-accent)}
.fm-toolbar-actions{display:flex;align-items:center;gap:8px}.fm-toolbar-actions select,.fm-text-btn,.fm-danger-ghost{height:34px;border:1px solid var(--fm-border);border-radius:9px;background:var(--fm-surface-2);color:var(--fm-text);font-size:11px;font-weight:750}.fm-toolbar-actions select{padding:0 30px 0 11px}.fm-text-btn{display:flex;align-items:center;gap:6px;padding:0 11px}.fm-text-btn svg{width:16px}.fm-text-btn:hover{border-color:var(--fm-border-strong);background:var(--fm-surface-3)}.fm-danger-ghost{padding:0 11px;color:var(--fm-danger)}
.fm-content{min-height:0;flex:1;overflow:auto;padding:16px;scrollbar-color:var(--fm-faint) transparent;scrollbar-width:thin}
.fm-file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;align-items:start}
.fm-create-card,.fm-file-card{position:relative;min-width:0;border:1px solid var(--fm-border);border-radius:13px;background:var(--fm-surface-2);overflow:hidden;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}

.fm-file-card:focus-visible{
  outline:none;
  border-color:var(--fm-accent);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 18%,transparent),var(--fm-shadow-soft);
}
.fm-create-card{height:248px;display:grid;place-items:center;border-style:dashed;color:var(--fm-muted)}.fm-create-card>div{text-align:center}.fm-create-card .fm-create-plus{width:48px;height:48px;display:grid;place-items:center;margin:0 auto 10px;border-radius:50%;background:var(--fm-surface-3);color:var(--fm-text);font-size:34px;font-weight:300}.fm-create-card strong{display:block;color:var(--fm-text);font-size:14px}.fm-create-card p{margin:7px 0 0;font-size:11px}.fm-create-card:hover,.fm-file-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--fm-accent) 35%,var(--fm-border));box-shadow:var(--fm-shadow-soft)}
.fm-file-card{height:248px;cursor:default}.fm-file-card.is-selected{border-color:var(--fm-accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--fm-accent) 18%,transparent),var(--fm-shadow-soft)}
.fm-file-cover{height:124px;position:relative;display:block;background:linear-gradient(145deg,color-mix(in srgb,var(--cover-a,#8b5cf6) 22%,var(--fm-surface)),color-mix(in srgb,var(--cover-b,#38bdf8) 20%,var(--fm-surface-2)));overflow:hidden}.fm-file-cover svg{width:100%;height:100%;stroke-width:1.4}.fm-file-cover .fm-cover-line{stroke:color-mix(in srgb,var(--cover-a,#8b5cf6) 55%,var(--fm-text));opacity:.55}.fm-file-cover .fm-cover-node{fill:color-mix(in srgb,var(--cover-b,#38bdf8) 34%,var(--fm-surface));stroke:color-mix(in srgb,var(--cover-a,#8b5cf6) 70%,var(--fm-text))}
.fm-file-menu-btn{position:absolute;right:8px;top:8px;z-index:3;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:color-mix(in srgb,var(--fm-surface) 84%,transparent);color:var(--fm-muted);font-size:18px;box-shadow:0 2px 9px rgba(0,0,0,.08)}.fm-file-menu-btn:hover{color:var(--fm-text);background:var(--fm-surface)}
.fm-current-badge,.fm-trash-badge{position:absolute;left:9px;top:9px;z-index:2;padding:4px 8px;border-radius:999px;background:color-mix(in srgb,var(--fm-success) 88%,transparent);color:#fff;font-size:9px;font-weight:900}.fm-trash-badge{background:color-mix(in srgb,var(--fm-danger) 86%,transparent)}
.fm-file-meta{padding:12px 13px}.fm-file-name{display:block;overflow:hidden;margin:0 26px 4px 0;color:var(--fm-text);font-size:14px;font-weight:900;text-overflow:ellipsis;white-space:nowrap}.fm-file-date{color:var(--fm-muted);font-size:10px}.fm-file-stats{display:flex;gap:12px;margin-top:11px;color:var(--fm-muted);font-size:10px}.fm-file-stats strong{color:var(--fm-text)}.fm-file-tags{display:flex;gap:5px;overflow:hidden;margin-top:10px;min-height:20px}.fm-tag{flex:0 0 auto;max-width:90px;overflow:hidden;padding:3px 7px;border-radius:6px;background:color-mix(in srgb,var(--fm-accent) 10%,var(--fm-surface-3));color:color-mix(in srgb,var(--fm-accent) 78%,var(--fm-text));font-size:9px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.fm-file-size{margin-left:auto}
.fm-empty{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.fm-empty-icon{width:72px;height:72px;display:grid;place-items:center;border-radius:22px;background:var(--fm-surface-2);color:var(--fm-faint)}.fm-empty-icon svg{width:36px}.fm-empty h2{margin:17px 0 7px;font-size:17px}.fm-empty p{margin:0 0 17px;color:var(--fm-muted);font-size:12px}.fm-primary-inline{min-height:38px;padding:0 17px}.fm-browser-footer{flex:0 0 38px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-top:1px solid var(--fm-border);color:var(--fm-muted);font-size:10px}
.fm-inspector{min-height:0;display:flex;flex-direction:column;gap:14px;overflow:auto}.fm-panel{padding:15px;border:1px solid var(--fm-border);border-radius:var(--fm-radius);background:var(--fm-surface);box-shadow:var(--fm-shadow-soft)}.fm-panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.fm-panel-title h2{margin:0;font-size:13px}.fm-info-empty{min-height:145px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--fm-muted);text-align:center}.fm-info-empty svg{width:40px;margin-bottom:10px}.fm-info-empty p{margin:0;font-size:11px}.fm-info-cover{height:108px;margin-bottom:12px;border-radius:11px;overflow:hidden;background:var(--fm-surface-2)}.fm-info-cover .fm-file-cover{height:108px}.fm-info-body h3{margin:0 0 7px;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.fm-info-current{display:inline-block;margin-bottom:11px;padding:3px 7px;border-radius:6px;background:color-mix(in srgb,var(--fm-success) 14%,var(--fm-surface));color:var(--fm-success);font-size:9px;font-weight:900}.fm-info-body dl{display:grid;gap:8px;margin:0}.fm-info-body dl div{display:flex;justify-content:space-between;gap:10px;font-size:10px}.fm-info-body dt{color:var(--fm-muted)}.fm-info-body dd{margin:0;color:var(--fm-text);font-weight:750}.fm-info-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}.fm-info-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.fm-info-actions button{height:33px;border:1px solid var(--fm-border);border-radius:9px;background:var(--fm-surface-2);font-size:10px;font-weight:800}.fm-info-actions button:hover{background:var(--fm-surface-3)}.fm-info-actions .is-primary{border-color:transparent;background:var(--fm-accent);color:#fff}.fm-info-actions .is-danger{color:var(--fm-danger)}
.fm-tips p{margin:9px 0;color:var(--fm-muted);font-size:10px;line-height:1.5}.fm-tips strong{color:var(--fm-text)}
.fm-context-menu{position:fixed;z-index:100;width:184px;padding:6px;border:1px solid var(--fm-border-strong);border-radius:12px;background:var(--fm-surface);box-shadow:0 18px 50px rgba(0,0,0,.24)}.fm-context-menu button{width:100%;height:35px;display:flex;align-items:center;gap:9px;padding:0 10px;border-radius:8px;background:transparent;color:var(--fm-text);font-size:11px;font-weight:700;text-align:left}.fm-context-menu button svg{width:16px}.fm-context-menu button:hover{background:var(--fm-surface-3)}.fm-context-menu button.is-danger{color:var(--fm-danger)}.fm-context-menu hr{height:1px;margin:5px;border:0;background:var(--fm-border)}
.fm-modal-backdrop{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:20px;background:rgba(4,6,10,.55);backdrop-filter:blur(6px)}.fm-modal{width:min(430px,100%);padding:20px;border:1px solid var(--fm-border-strong);border-radius:18px;background:var(--fm-surface);box-shadow:0 30px 90px rgba(0,0,0,.35)}.fm-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.fm-modal-head h2{margin:0 0 5px;font-size:18px}.fm-modal-head p{margin:0;color:var(--fm-muted);font-size:11px}.fm-modal-close{width:30px;height:30px;border-radius:9px;background:var(--fm-surface-2);color:var(--fm-muted);font-size:20px}.fm-field{display:grid;gap:7px;margin-top:18px}.fm-field span{color:var(--fm-muted);font-size:11px;font-weight:800}.fm-field input{height:42px;padding:0 12px;border:1px solid var(--fm-border);border-radius:10px;outline:0;background:var(--fm-surface-2);color:var(--fm-text)}.fm-field input:focus{border-color:var(--fm-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 14%,transparent)}.fm-modal-warning{margin-top:14px;padding:10px;border-radius:9px;background:color-mix(in srgb,var(--fm-danger) 10%,var(--fm-surface));color:var(--fm-danger);font-size:11px;line-height:1.5}.fm-modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}.fm-secondary{min-width:78px;height:38px;border:1px solid var(--fm-border);border-radius:10px;background:var(--fm-surface-2);font-weight:800}
.fm-toast-stack{position:fixed;right:20px;bottom:20px;z-index:150;display:grid;gap:9px}.fm-toast{min-width:250px;max-width:390px;padding:12px 14px;border:1px solid var(--fm-border-strong);border-radius:12px;background:var(--fm-surface);box-shadow:var(--fm-shadow);color:var(--fm-text);font-size:11px;font-weight:700;animation:fmToastIn .2s ease}.fm-toast.is-error{border-color:color-mix(in srgb,var(--fm-danger) 35%,var(--fm-border));color:var(--fm-danger)}.fm-toast.is-success{border-color:color-mix(in srgb,var(--fm-success) 35%,var(--fm-border))}@keyframes fmToastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:1120px){.fm-app{grid-template-columns:205px minmax(0,1fr)}.fm-workspace{grid-template-columns:minmax(0,1fr)}.fm-inspector{display:none}.fm-search{width:300px}.fm-file-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}
@media(max-width:800px){.fm-page{overflow:auto}.fm-app{height:auto;min-height:100vh;display:block}.fm-sidebar{position:sticky;top:0;z-index:30;display:grid;grid-template-columns:1fr auto;align-items:center;padding:10px 14px;border-right:0;border-bottom:1px solid var(--fm-border)}.fm-brand{margin:0}.fm-brand-mark{width:30px;height:30px}.fm-brand-mark svg{width:30px;height:30px}.fm-brand strong{font-size:15px}.fm-primary-action{width:auto;margin:0;padding:0 14px}.fm-nav,.fm-storage-card,.fm-sidebar-foot{display:none}.fm-main{height:auto;overflow:visible}.fm-topbar{position:sticky;top:65px;z-index:40;min-height:74px;height:auto;align-items:flex-start;padding:12px 14px}.fm-heading{display:none}.fm-top-actions{width:100%;flex-wrap:wrap}.fm-search{order:5;width:100%}.fm-avatar{display:none}.fm-workspace{display:block;padding:12px}.fm-browser{min-height:calc(100vh - 168px)}.fm-browser-toolbar{height:auto;min-height:59px;align-items:flex-start;flex-direction:column}.fm-toolbar-actions{width:100%;justify-content:flex-end}.fm-content{padding:11px}.fm-file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.fm-create-card,.fm-file-card{height:226px}.fm-file-cover{height:108px}.fm-filter-tabs button{padding:0 9px}}
@media(max-width:520px){.fm-file-grid{grid-template-columns:1fr}.fm-toolbar-actions select{max-width:130px}.fm-text-btn{font-size:0}.fm-text-btn svg{width:18px}.fm-top-actions>.fm-icon-btn:nth-of-type(1){display:none}kbd{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* v8.2.1：文件导入或写入期间阻止重复操作。 */
.fm-page.is-busy .fm-app{pointer-events:none;user-select:none;filter:saturate(.94)}
.fm-page.is-busy::before{content:"正在处理文件…";position:fixed;z-index:190;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 16px;border:1px solid var(--fm-border-strong);border-radius:12px;background:var(--fm-surface);color:var(--fm-text);box-shadow:var(--fm-shadow);font-size:12px;font-weight:800}
.fm-page.is-busy::after{content:"";position:fixed;z-index:180;inset:0;background:rgba(5,7,12,.22);backdrop-filter:blur(2px)}
@media(prefers-reduced-motion:no-preference){.fm-page.is-busy::before{animation:fmBusyPulse 1.1s ease-in-out infinite alternate}@keyframes fmBusyPulse{to{transform:translate(-50%,-50%) scale(1.02)}}}

/* v8.2.2：可交互头像菜单与基于图谱数据生成的动态缩略图。 */
.fm-account-shell{position:relative;flex:0 0 auto}
.fm-avatar{appearance:none;padding:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.fm-avatar:hover,.fm-avatar:focus-visible,.fm-account-shell.is-open .fm-avatar{transform:translateY(-1px);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 16%,transparent),0 8px 22px rgba(20,22,35,.14)}
.fm-account-menu{position:absolute;z-index:180;top:calc(100% + 10px);right:0;width:230px;padding:8px;border:1px solid var(--fm-border-strong);border-radius:14px;background:color-mix(in srgb,var(--fm-surface) 96%,transparent);box-shadow:0 22px 60px rgba(0,0,0,.24);backdrop-filter:blur(18px);animation:fmAccountIn .14s ease-out}
.fm-account-menu[hidden]{display:none!important}
@keyframes fmAccountIn{from{opacity:0;transform:translateY(-5px) scale(.98)}to{opacity:1;transform:none}}
.fm-account-summary{display:flex;align-items:center;gap:11px;padding:8px 9px 12px;margin-bottom:5px;border-bottom:1px solid var(--fm-border)}
.fm-account-avatar{flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(145deg,color-mix(in srgb,var(--fm-accent) 30%,var(--fm-surface)),var(--fm-surface-2));color:var(--fm-text);font-weight:900}
.fm-account-summary div{min-width:0}.fm-account-summary strong,.fm-account-summary small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fm-account-summary strong{font-size:13px}.fm-account-summary small{margin-top:3px;color:var(--fm-muted);font-size:10px}
.fm-account-menu>a,.fm-account-menu>button{width:100%;height:38px;display:flex;align-items:center;gap:10px;padding:0 10px;border-radius:9px;background:transparent;color:var(--fm-text);font-size:11px;font-weight:800;text-align:left;text-decoration:none}
.fm-account-menu>a svg,.fm-account-menu>button svg{flex:0 0 17px;width:17px;height:17px;color:var(--fm-muted)}
.fm-account-menu>a:hover,.fm-account-menu>a:focus-visible,.fm-account-menu>button:hover,.fm-account-menu>button:focus-visible{outline:none;background:var(--fm-surface-3)}
.fm-account-menu>button.is-danger{color:var(--fm-danger)}.fm-account-menu>button.is-danger svg{color:var(--fm-danger)}
.fm-account-menu>hr{height:1px;margin:6px 5px;border:0;background:var(--fm-border)}

.fm-file-card{height:264px;cursor:pointer}
.fm-create-card{height:264px}
.fm-file-cover{height:140px;isolation:isolate;background:var(--cover-bg,#eeeafd);box-shadow:inset 0 -1px 0 rgba(255,255,255,.46);filter:none!important;color-scheme:light}
.fm-file-cover::after{content:"";position:absolute;z-index:3;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.1),transparent 48%,rgba(35,45,70,.018));box-shadow:inset 0 0 0 1px rgba(255,255,255,.22)}
.fm-file-cover svg{position:relative;z-index:1;width:100%;height:100%;overflow:hidden;stroke-linecap:round;stroke-linejoin:round}
.fm-cover-network{transform-origin:center;transition:transform .2s ease}
.fm-cover-edge{fill:none;stroke:var(--cover-a);stroke-width:.76;stroke-opacity:.2}
.fm-cover-edge.is-primary{stroke-width:1.02;stroke-opacity:.32}
.fm-cover-node{fill:var(--node,var(--cover-a));fill-opacity:.86;stroke:rgba(255,255,255,.88);stroke-width:.72}
.fm-cover-node.is-primary{fill-opacity:.94;stroke-width:.9}
.fm-file-card:hover .fm-cover-network{transform:scale(1.01)}

.fm-info-cover .fm-file-cover{height:108px}

@media(max-width:800px){.fm-account-shell{display:none}.fm-create-card,.fm-file-card{height:242px}.fm-file-cover{height:124px}}

/* v8.2.3: thumbnails are mounted only near the viewport; inspector no longer duplicates the cover. */
.fm-file-cover-lazy{display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,var(--cover-bg,#eeeafd),color-mix(in srgb,var(--cover-b,#a69af2) 10%,var(--cover-bg,#eeeafd)));}
.fm-cover-loading{width:42px;height:24px;opacity:.52;background:radial-gradient(circle at 8px 12px,var(--cover-a,#8b5cf6) 0 3px,transparent 3.5px),radial-gradient(circle at 21px 6px,var(--cover-b,#38bdf8) 0 3px,transparent 3.5px),radial-gradient(circle at 34px 16px,var(--cover-a,#8b5cf6) 0 3px,transparent 3.5px);filter:drop-shadow(0 1px 3px color-mix(in srgb,var(--cover-a,#8b5cf6) 24%,transparent))}

/* v8.2.7: card/list inline rename */
.fm-file-card.is-renaming{cursor:text;outline:2px solid color-mix(in srgb,var(--fm-accent) 48%,transparent);outline-offset:-2px}
.fm-file-name-input{display:block;width:calc(100% - 26px);min-width:0;margin:0 26px 4px 0;padding:2px 5px;border:1px solid color-mix(in srgb,var(--fm-accent) 70%,var(--fm-border));border-radius:6px;outline:none;background:var(--fm-surface-1);color:var(--fm-text);font:inherit;font-size:14px;font-weight:900;line-height:1.35;box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 14%,transparent)}
.fm-file-name-input:focus{border-color:var(--fm-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 22%,transparent)}
.fm-file-grid.is-list .fm-file-name-input{width:100%;margin:0}

/* v8.3.0: folders, breadcrumbs and move dialog */
.fm-primary-stack{display:grid;gap:8px;margin:0 4px 18px}.fm-primary-stack .fm-primary-action{margin:0;width:100%}.fm-secondary-action{height:38px;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--fm-border);border-radius:10px;background:var(--fm-surface-2);color:var(--fm-text);font-size:11px;font-weight:850}.fm-secondary-action:hover{border-color:var(--fm-border-strong);background:var(--fm-surface-3)}.fm-secondary-action svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8}
.fm-breadcrumb-bar{min-height:42px;display:flex;align-items:center;gap:7px;padding:0 16px;border-bottom:1px solid var(--fm-border);background:color-mix(in srgb,var(--fm-surface) 96%,transparent);overflow-x:auto;white-space:nowrap}.fm-breadcrumb-bar[hidden]{display:none}.fm-breadcrumb-bar button{flex:0 0 auto;max-width:220px;padding:5px 8px;border-radius:7px;background:transparent;color:var(--fm-muted);font-size:11px;font-weight:800;overflow:hidden;text-overflow:ellipsis}.fm-breadcrumb-bar button:hover:not(:disabled){background:var(--fm-surface-3);color:var(--fm-text)}.fm-breadcrumb-bar button:disabled{color:var(--fm-text);cursor:default}.fm-breadcrumb-bar span{color:var(--fm-muted);font-size:15px}
.fm-info-kind{display:inline-flex;margin-bottom:7px;padding:3px 7px;border-radius:999px;background:color-mix(in srgb,var(--fm-accent) 12%,var(--fm-surface-2));color:var(--fm-accent);font-size:9px;font-weight:850}.fm-field select{width:100%;height:40px;padding:0 10px;border:1px solid var(--fm-border);border-radius:9px;outline:0;background:var(--fm-surface-2);color:var(--fm-text)}.fm-field select:focus{border-color:var(--fm-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 14%,transparent)}
@media(max-width:800px){.fm-primary-stack{display:flex;margin:0;gap:7px}.fm-secondary-action{padding:0 12px}.fm-breadcrumb-bar{padding:0 12px}}

/* v8.3.1: lightweight drag move, batch selection and undo. */
.fm-file-card[draggable="true"]{user-select:none}
.fm-file-card.is-dragging{opacity:.48;transform:scale(.97);filter:saturate(.72)}
.fm-breadcrumb-bar button.is-drop-target,.fm-nav-item.is-drop-target{border-color:color-mix(in srgb,var(--fm-accent) 75%,var(--fm-border));background:color-mix(in srgb,var(--fm-accent) 16%,var(--fm-surface));box-shadow:0 0 0 4px color-mix(in srgb,var(--fm-accent) 14%,transparent),var(--fm-shadow-soft)}
.fm-select-mark{position:absolute;z-index:12;left:10px;top:10px;width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--fm-border-strong);border-radius:7px;background:color-mix(in srgb,var(--fm-surface) 90%,transparent);color:transparent;box-shadow:0 3px 10px rgba(0,0,0,.08);font-size:12px;font-weight:950;opacity:0;transform:scale(.82);transition:opacity .14s ease,transform .14s ease,background .14s ease,color .14s ease}
.fm-file-card:hover .fm-select-mark,.fm-file-card.is-selected .fm-select-mark{opacity:1;transform:none}
.fm-file-card.is-selected .fm-select-mark{border-color:var(--fm-accent);background:var(--fm-accent);color:#fff}
.fm-file-grid.is-list .fm-select-mark{left:5px;top:5px;width:19px;height:19px;border-radius:6px;font-size:10px}
.fm-menu-subitem{height:30px!important;padding-left:27px!important;color:var(--fm-muted)!important;font-size:10px!important}
.fm-menu-subitem:hover{color:var(--fm-text)!important}
.fm-toast{display:flex;align-items:center;justify-content:space-between;gap:14px;transition:opacity .18s ease,transform .18s ease}
.fm-toast>span{min-width:0;white-space:pre-line}
.fm-toast-action{flex:0 0 auto;padding:5px 9px;border:1px solid color-mix(in srgb,var(--fm-accent) 35%,var(--fm-border));border-radius:7px;background:color-mix(in srgb,var(--fm-accent) 10%,var(--fm-surface));color:var(--fm-accent);font-size:10px;font-weight:900}
.fm-toast-action:hover{background:color-mix(in srgb,var(--fm-accent) 17%,var(--fm-surface))}


/* v8.3.2: visible selection mode and bounded move menu. */
.fm-batch-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;border-bottom:1px solid var(--fm-border);background:color-mix(in srgb,var(--fm-accent) 7%,var(--fm-surface));font-size:11px}.fm-batch-bar[hidden]{display:none}.fm-batch-bar>div{display:flex;gap:7px;flex-wrap:wrap}.fm-batch-bar button{height:31px;padding:0 10px;border:1px solid var(--fm-border);border-radius:8px;background:var(--fm-surface);color:var(--fm-text);font-size:10px;font-weight:850}.fm-batch-bar button:hover:not(:disabled){border-color:var(--fm-accent);color:var(--fm-accent)}.fm-batch-bar button.is-danger{color:var(--fm-danger)}.fm-batch-bar button:disabled{opacity:.45;cursor:not-allowed}.fm-text-btn.is-active{border-color:var(--fm-accent);background:color-mix(in srgb,var(--fm-accent) 12%,var(--fm-surface));color:var(--fm-accent)}
.fm-select-mark{cursor:pointer}.is-selection-mode .fm-select-mark{opacity:1;transform:none}.is-selection-mode .fm-file-card{cursor:default}.is-selection-mode .fm-file-card:hover{border-color:color-mix(in srgb,var(--fm-accent) 45%,var(--fm-border))}.fm-menu-other{margin-top:3px!important;padding-left:27px!important;border-top:1px solid var(--fm-border)!important;border-radius:0 0 8px 8px!important;color:var(--fm-accent)!important}.fm-context-menu{max-height:min(70vh,460px);overflow-y:auto}
@media(max-width:800px){.fm-batch-bar{align-items:flex-start;flex-direction:column}.fm-batch-bar>div{width:100%}.fm-batch-bar button{flex:1}}


/* v8.3.3: compact details drawer and two-level move menu. */
.fm-selection-summary{flex:0 0 auto;min-height:46px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:7px 16px;border-top:1px solid var(--fm-border);background:color-mix(in srgb,var(--fm-surface-2) 72%,var(--fm-surface));font-size:10px}.fm-selection-summary[hidden]{display:none}.fm-selection-summary>div:first-child{min-width:0;display:flex;align-items:center;gap:10px}.fm-selection-summary strong{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.fm-selection-summary span{overflow:hidden;color:var(--fm-muted);text-overflow:ellipsis;white-space:nowrap}.fm-selection-summary>div:last-child{display:flex;align-items:center;gap:6px}.fm-selection-summary button{height:29px;padding:0 9px;border:1px solid var(--fm-border);border-radius:8px;background:var(--fm-surface);color:var(--fm-text);font-size:10px;font-weight:850}.fm-selection-summary button:hover{border-color:var(--fm-accent);color:var(--fm-accent)}#fmCloseSelectionBtn{width:29px;padding:0;font-size:17px;font-weight:500}
.fm-drawer-backdrop{position:fixed;z-index:109;inset:0;background:rgba(15,23,42,.2);backdrop-filter:blur(1px)}.fm-drawer-backdrop[hidden]{display:none}.fm-details-drawer{position:fixed;z-index:110;top:0;right:0;width:min(360px,92vw);height:100vh;padding:16px;overflow:auto;background:var(--fm-surface);border-left:1px solid var(--fm-border);box-shadow:-18px 0 50px rgba(0,0,0,.18);transform:translateX(105%);visibility:hidden;transition:transform .22s ease,visibility .22s}.fm-details-drawer.is-open{transform:none;visibility:visible}.fm-details-drawer .fm-panel{min-height:calc(100vh - 32px);box-shadow:none}.fm-details-drawer .fm-panel-title{position:sticky;z-index:2;top:-16px;padding:15px 0 10px;background:var(--fm-surface)}
.fm-menu-parent{justify-content:flex-start}.fm-menu-parent>b{margin-left:auto;color:var(--fm-muted);font-size:18px;line-height:1}.fm-move-submenu{z-index:101;width:210px;max-height:min(70vh,420px);overflow:auto}.fm-submenu-heading{padding:7px 10px 5px;color:var(--fm-muted);font-size:9px;font-weight:900;letter-spacing:.08em}.fm-move-submenu button span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fm-context-menu button:focus-visible{outline:2px solid color-mix(in srgb,var(--fm-accent) 55%,transparent);outline-offset:-2px}
@media(max-width:800px){.fm-selection-summary{align-items:flex-start;flex-direction:column}.fm-selection-summary>div:first-child{width:100%;display:block}.fm-selection-summary strong,.fm-selection-summary span{display:block;max-width:100%}.fm-details-drawer{width:100vw;padding:10px}.fm-details-drawer .fm-panel{min-height:calc(100vh - 20px)}}
@media(min-width:801px){.fm-drawer-backdrop{background:transparent;backdrop-filter:none;pointer-events:none}}

/* v8.3.4: invalid drag destinations are rejected before drop. */
.fm-file-card.is-drop-forbidden,
.fm-breadcrumb button.is-drop-forbidden,
.fm-nav-item.is-drop-forbidden {
  cursor: not-allowed !important;
  border-color: var(--fm-danger) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--fm-danger) 18%, transparent) !important;
  filter: saturate(.7);
}
.fm-file-card.is-drop-forbidden::after {
  content: '不可移动到此处';
  position: absolute;
  inset: auto 10px 10px;
  z-index: 4;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--fm-danger);
  color: #fff;
  font-size: 12px;
  text-align: center;
  pointer-events: none;
}

/* v8.3.5: keep account popover above file cards while below menus, drawers and modals. */
.fm-account-shell.is-open{z-index:1}


/* v8.4.5：左侧文件夹树，核心内容区仅展示图谱文件 */
.fm-folder-nav{
  min-height:0;
  margin:10px 0 8px;
  padding:10px 4px 8px;
  border-top:1px solid var(--fm-border);
  border-bottom:1px solid var(--fm-border);
}
.fm-folder-nav[hidden]{display:none}
.fm-folder-nav-head{
  height:28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 6px 4px 10px;
}
.fm-folder-nav-head button{
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  padding:0;
  border:0;
  border-radius:7px;
  background:transparent;
  color:var(--fm-muted);
  font-size:19px;
  cursor:pointer;
}
.fm-folder-nav-head button:hover,
.fm-folder-nav-head button:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-accent);
  outline:none;
}
.fm-folder-tree{
  max-height:min(36vh,360px);
  overflow-y:auto;
  overflow-x:hidden;
  padding:2px 0 4px;
  scrollbar-width:thin;
}
.fm-folder-tree-static,
.fm-folder-tree-row{
  min-width:0;
  width:100%;
  height:34px;
  border-radius:8px;
}
.fm-folder-tree-static{
  display:grid;
  grid-template-columns:17px minmax(0,1fr) auto;
  align-items:center;
  gap:8px;
  padding:0 9px;
  border:0;
  background:transparent;
  color:var(--fm-text);
  font-size:11px;
  font-weight:700;
  text-align:left;
  cursor:pointer;
}
.fm-folder-tree-static svg,
.fm-folder-tree-open svg{
  width:17px;
  height:17px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
}
.fm-folder-tree-static span,
.fm-folder-tree-open span{
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.fm-folder-tree-static b,
.fm-folder-tree-open b{
  color:var(--fm-muted);
  font-size:9px;
  font-weight:800;
}
.fm-folder-tree-static:hover,
.fm-folder-tree-static:focus-visible,
.fm-folder-tree-static.is-active,
.fm-folder-tree-row:hover,
.fm-folder-tree-row:focus-within,
.fm-folder-tree-row.is-active{
  background:var(--fm-surface-3);
  outline:none;
}
.fm-folder-tree-static.is-active,
.fm-folder-tree-row.is-active .fm-folder-tree-open{
  color:var(--fm-accent);
}
.fm-folder-tree-unknown{
  width:16px;
  height:16px;
  display:grid;
  place-items:center;
  border:1.5px solid currentColor;
  border-radius:3px;
  font-size:9px;
  line-height:1;
}
.fm-folder-tree-divider{
  height:1px;
  margin:5px 8px;
  background:var(--fm-border);
}
.fm-folder-tree-row{
  position:relative;
  display:grid;
  grid-template-columns:18px minmax(0,1fr) 28px;
  align-items:center;
  padding-left:calc(var(--tree-depth) * 16px + 3px);
}
.fm-folder-tree-toggle,
.fm-folder-tree-open,
.fm-folder-tree-menu{
  border:0;
  background:transparent;
  color:inherit;
  cursor:pointer;
}
.fm-folder-tree-toggle{
  width:18px;
  height:28px;
  display:grid;
  place-items:center;
  padding:0;
  color:var(--fm-muted);
  font-size:17px;
  line-height:1;
  transition:transform .12s ease;
}
.fm-folder-tree-row[aria-expanded="true"] .fm-folder-tree-toggle{
  transform:rotate(90deg);
}
.fm-folder-tree-toggle.is-placeholder{
  pointer-events:none;
}
.fm-folder-tree-open{
  min-width:0;
  height:34px;
  display:grid;
  grid-template-columns:17px minmax(0,1fr) auto;
  align-items:center;
  gap:7px;
  padding:0 4px;
  font-size:11px;
  font-weight:700;
  text-align:left;
}
.fm-folder-tree-menu{
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:7px;
  color:var(--fm-muted);
  font-size:16px;
  opacity:0;
  pointer-events:none;
}
.fm-folder-tree-row:hover .fm-folder-tree-menu,
.fm-folder-tree-row:focus-within .fm-folder-tree-menu{
  opacity:1;
  pointer-events:auto;
}
.fm-folder-tree-menu:hover,
.fm-folder-tree-menu:focus-visible{
  background:color-mix(in srgb,var(--fm-text) 7%,transparent);
  color:var(--fm-text);
  outline:none;
}
.fm-folder-tree-empty{
  margin:6px 10px;
  color:var(--fm-muted);
  font-size:10px;
}
.fm-folder-tree [data-folder-open].is-drop-target{
  background:color-mix(in srgb,var(--fm-accent) 15%,var(--fm-surface));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--fm-accent) 50%,var(--fm-border));
}
.fm-folder-tree [data-folder-open].is-drop-forbidden{
  color:var(--fm-danger);
}
@media(max-width:800px){
  .fm-folder-nav{display:none!important}
}


/* v8.4.6：移动端只读提示，不提供复杂编辑能力 */
.fm-mobile-readonly-notice{
  position:fixed;
  z-index:1900;
  left:12px;
  right:12px;
  top:12px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) 30px;
  align-items:center;
  gap:9px;
  padding:10px 10px 10px 13px;
  border:1px solid var(--fm-border-strong);
  border-radius:12px;
  background:var(--fm-surface);
  box-shadow:0 18px 50px rgba(0,0,0,.24);
  color:var(--fm-text);
  font-size:11px;
}
.fm-mobile-readonly-notice[hidden]{display:none}
.fm-mobile-readonly-actions{display:none}
.fm-mobile-readonly-notice strong{white-space:nowrap}
.fm-mobile-readonly-notice span{
  min-width:0;
  color:var(--fm-muted);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.fm-mobile-readonly-notice button{
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  padding:0;
  border:0;
  border-radius:8px;
  background:transparent;
  color:var(--fm-muted);
  font-size:18px;
  cursor:pointer;
}
.fm-mobile-readonly-notice button:hover,
.fm-mobile-readonly-notice button:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-text);
  outline:none;
}
@media(max-width:800px){
  body.is-mobile-readonly #fmNewFileBtn,
  body.is-mobile-readonly .fm-create-card,
  body.is-mobile-readonly #fmFolderNavAdd,
  body.is-mobile-readonly #fmChildFolderAdd,
  body.is-mobile-readonly #fmImportBtn,
  body.is-mobile-readonly #fmSelectionModeBtn,
  body.is-mobile-readonly #fmBatchBar,
  body.is-mobile-readonly .fm-card-tag-dot,
  body.is-mobile-readonly .fm-file-menu-btn,
  body.is-mobile-readonly .fm-info-actions{
    display:none!important;
  }
}


/* v8.4.7：固定品牌区，其余侧栏内容统一纵向滚动 */
.fm-sidebar{
  height:100vh;
  padding:0;
  overflow:hidden;
}
.fm-sidebar-brand-row{
  flex:0 0 auto;
  min-height:76px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 32px;
  align-items:center;
  gap:6px;
  padding:16px 12px 12px 18px;
  border-bottom:1px solid var(--fm-border);
  background:var(--fm-sidebar);
}
.fm-sidebar-brand-row .fm-brand{
  min-width:0;
  margin:0;
  padding:0;
}
.fm-brand-text{
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
}
.fm-sidebar-collapse{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:9px;
  background:transparent;
  color:var(--fm-muted);
}
.fm-sidebar-collapse svg{
  width:17px;
  height:17px;
  transition:transform .18s ease;
}
.fm-sidebar-collapse:hover,
.fm-sidebar-collapse:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-text);
  outline:none;
}
.fm-sidebar-scroll{
  min-height:0;
  flex:1 1 auto;
  overflow-y:auto;
  overflow-x:hidden;
  padding:18px 18px 20px;
  scrollbar-width:thin;
  overscroll-behavior:contain;
}
.fm-sidebar-scroll .fm-sidebar-foot{
  margin-top:16px;
  padding-bottom:6px;
}
.fm-nav-primary{
  padding-bottom:12px;
}
.fm-nav-bottom{
  margin-top:18px;
  padding:10px 0 0;
  border-top:1px solid var(--fm-border);
  border-bottom:0;
}
.fm-folder-tree{
  max-height:none;
  overflow:visible;
}
.fm-storage-card{
  margin-top:18px;
}

/* 可折叠侧栏 */
.fm-app{
  transition:grid-template-columns .18s ease;
}
.fm-app.is-sidebar-collapsed{
  grid-template-columns:72px minmax(0,1fr);
}
.fm-app.is-sidebar-collapsed .fm-sidebar-brand-row{
  grid-template-columns:1fr;
  justify-items:center;
  padding:14px 8px 10px;
}
.fm-app.is-sidebar-collapsed .fm-brand{
  justify-content:center;
}
.fm-app.is-sidebar-collapsed .fm-brand-text,
.fm-app.is-sidebar-collapsed .fm-primary-action span,
.fm-app.is-sidebar-collapsed .fm-nav-item span,
.fm-app.is-sidebar-collapsed .fm-nav-item b,
.fm-app.is-sidebar-collapsed .fm-folder-nav,
.fm-app.is-sidebar-collapsed .fm-storage-card,
.fm-app.is-sidebar-collapsed .fm-sidebar-foot{
  display:none!important;
}
.fm-app.is-sidebar-collapsed .fm-sidebar-collapse svg{
  transform:rotate(180deg);
}
.fm-app.is-sidebar-collapsed .fm-sidebar-scroll{
  padding:14px 9px 18px;
}
.fm-app.is-sidebar-collapsed .fm-primary-action{
  width:44px;
  margin:0 auto 16px;
  padding:0;
}
.fm-app.is-sidebar-collapsed .fm-nav{
  gap:7px;
  padding:0;
  border:0;
}
.fm-app.is-sidebar-collapsed .fm-nav-bottom{
  margin-top:16px;
  padding-top:10px;
  border-top:1px solid var(--fm-border);
}
.fm-app.is-sidebar-collapsed .fm-nav-item{
  width:44px;
  grid-template-columns:1fr;
  justify-items:center;
  margin:0 auto;
  padding:0;
}
.fm-app.is-sidebar-collapsed .fm-nav-item svg{
  width:21px;
}

/* 收藏标签弹窗 */
.fm-favorite-tags-popover{
  position:fixed;
  z-index:1320;
  width:min(292px,calc(100vw - 20px));
  max-height:min(480px,calc(100vh - 20px));
  padding:6px;
  border:1px solid var(--fm-border-strong);
  border-radius:12px;
  background:var(--fm-surface);
  box-shadow:0 18px 50px rgba(0,0,0,.24);
  overflow:hidden;
}
.fm-favorite-tags-head{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:2px 5px 5px 10px;
  border-bottom:1px solid var(--fm-border);
}
.fm-favorite-tags-head strong{
  font-size:12px;
  font-weight:850;
}
.fm-favorite-tags-head button{
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:8px;
  background:transparent;
  color:var(--fm-muted);
  font-size:20px;
}
.fm-favorite-tags-head button:hover,
.fm-favorite-tags-head button:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-accent);
  outline:none;
}
.fm-favorite-tag-create-form{
  display:grid;
  grid-template-columns:minmax(0,1fr) 38px 32px;
  gap:6px;
  padding:7px 6px;
  border-bottom:1px solid var(--fm-border);
}
.fm-favorite-tag-create-form input,
.fm-favorite-tag-create-form button{
  min-width:0;
  height:32px;
  border:1px solid var(--fm-border);
  border-radius:7px;
  background:var(--fm-surface);
  color:var(--fm-text);
}
.fm-favorite-tag-create-form input[type="text"],
#fmFavoriteTagName{
  padding:0 9px;
  font-size:11px;
  font-weight:700;
}
.fm-favorite-tag-create-form input[type="color"]{
  padding:3px;
}
.fm-favorite-tag-create-form button{
  display:grid;
  place-items:center;
  padding:0;
  color:var(--fm-accent);
}
.fm-favorite-tag-create-form button:hover{
  background:var(--fm-surface-3);
}
.fm-favorite-tag-create-form button svg{
  width:16px;
  height:16px;
}
.fm-favorite-tags-list{
  max-height:360px;
  overflow-y:auto;
  overflow-x:hidden;
  padding:4px 0;
  scrollbar-width:thin;
}
.fm-favorite-tag-item{
  width:100%;
  height:38px;
  display:grid;
  grid-template-columns:18px minmax(0,1fr) auto;
  align-items:center;
  gap:9px;
  padding:0 10px;
  border-radius:8px;
  background:transparent;
  color:var(--fm-text);
  font-size:12px;
  text-align:left;
}
.fm-favorite-tag-item:hover,
.fm-favorite-tag-item:focus-visible,
.fm-favorite-tag-item.is-active{
  background:var(--fm-surface-3);
  outline:none;
}
.fm-favorite-tag-item.is-active{
  color:var(--fm-accent);
}
.fm-favorite-tag-item i{
  width:12px;
  height:12px;
  justify-self:center;
  border-radius:3px 3px 3px 1px;
  background:var(--tag-color,#64748b);
  transform:rotate(45deg);
}
.fm-favorite-tag-item span{
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.fm-favorite-tag-item b{
  color:var(--fm-faint);
  font-size:11px;
  font-weight:700;
}
.fm-favorite-tag-star{
  color:#f5c400;
  font-size:17px;
}
.fm-favorite-tags-btn{
  display:inline-flex!important;
  align-items:center;
  gap:6px;
}
.fm-favorite-tags-btn[hidden]{
  display:none!important;
}
.fm-favorite-tags-btn svg{
  width:15px;
  height:15px;
}

@media(max-width:800px){
  .fm-sidebar-brand-row{
    min-height:auto;
    padding:0;
    border:0;
  }
  .fm-sidebar-collapse,
  .fm-sidebar-scroll{
    display:none!important;
  }
}


/* v8.4.8：常驻文件夹树与层级拖拽 */
.fm-folder-tree-static{
  grid-template-columns:17px minmax(0,1fr);
}
.fm-folder-tree-open{
  grid-template-columns:17px minmax(0,1fr);
}
.fm-folder-tree-static b,
.fm-folder-tree-open b{
  display:none!important;
}
.fm-folder-tree-row[draggable="true"]{
  cursor:grab;
}
.fm-folder-tree-row[draggable="true"]:active{
  cursor:grabbing;
}
.fm-folder-tree-row.is-dragging{
  opacity:.48;
}
.fm-folder-tree-row.is-dragging .fm-folder-tree-open{
  color:var(--fm-accent);
}
.fm-folder-tree .is-drop-target{
  background:color-mix(in srgb,var(--fm-accent) 15%,var(--fm-surface));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--fm-accent) 52%,var(--fm-border));
}
.fm-folder-tree .is-drop-forbidden{
  color:var(--fm-danger);
  background:color-mix(in srgb,var(--fm-danger) 8%,var(--fm-surface));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--fm-danger) 42%,var(--fm-border));
}


/* v8.4.9：恢复新建文件夹图标，并强化拖拽状态 */
.fm-folder-add-btn{
  flex:0 0 26px;
  visibility:visible;
  opacity:1;
}
.fm-folder-add-btn svg{
  width:17px;
  height:17px;
  stroke-width:2.2;
}
.fm-folder-tree-row.is-dragging{
  pointer-events:none;
}


/* v8.4.10：当前目录子文件夹独立区域 */
.fm-content-section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:34px;
  margin:0 0 9px;
}
.fm-content-section-head h2{
  margin:0;
  color:var(--fm-muted);
  font-size:13px;
  font-weight:800;
}
.fm-child-folder-section{
  margin:0 0 22px;
}
.fm-child-folder-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(250px,340px));
  gap:10px;
}
.fm-child-folder-card{
  position:relative;
  min-width:0;
  height:84px;
  display:grid;
  grid-template-columns:38px minmax(0,1fr) 32px;
  align-items:center;
  gap:10px;
  padding:0 10px 0 15px;
  border:1px solid var(--fm-border);
  border-radius:11px;
  background:var(--fm-surface);
  cursor:pointer;
  transition:border-color .14s ease,background-color .14s ease,box-shadow .14s ease,transform .14s ease;
}
.fm-child-folder-card:hover,
.fm-child-folder-card:focus-visible{
  border-color:color-mix(in srgb,var(--fm-accent) 30%,var(--fm-border));
  background:var(--fm-surface-2);
  box-shadow:var(--fm-shadow-soft);
  outline:none;
  transform:translateY(-1px);
}
.fm-child-folder-icon{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  color:#f5b800;
}
.fm-child-folder-icon svg{
  width:30px;
  height:30px;
  fill:currentColor;
  stroke:color-mix(in srgb,#b77f00 55%,currentColor);
  stroke-width:1.3;
}
.fm-child-folder-meta{
  min-width:0;
}
.fm-child-folder-meta strong,
.fm-child-folder-meta span{
  display:block;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.fm-child-folder-meta strong{
  margin-bottom:7px;
  color:var(--fm-text);
  font-size:14px;
}
.fm-child-folder-meta span{
  color:var(--fm-muted);
  font-size:11px;
}
.fm-child-folder-menu{
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:8px;
  background:transparent;
  color:var(--fm-muted);
  font-size:17px;
}
.fm-child-folder-menu:hover,
.fm-child-folder-menu:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-text);
  outline:none;
}
.fm-child-folder-card[draggable="true"]{cursor:grab}
.fm-child-folder-card[draggable="true"]:active{cursor:grabbing}
.fm-child-folder-card.is-dragging{opacity:.46;transform:scale(.98)}
.fm-child-folder-card.is-drop-target{
  border-color:color-mix(in srgb,var(--fm-accent) 65%,var(--fm-border));
  background:color-mix(in srgb,var(--fm-accent) 10%,var(--fm-surface));
  box-shadow:0 0 0 3px color-mix(in srgb,var(--fm-accent) 12%,transparent);
}
.fm-child-folder-card.is-drop-forbidden{
  border-color:color-mix(in srgb,var(--fm-danger) 55%,var(--fm-border));
  background:color-mix(in srgb,var(--fm-danger) 7%,var(--fm-surface));
}

/* v8.4.10：表格式文件列表 */
.fm-list-header{
  min-height:40px;
  display:grid;
  grid-template-columns:34px minmax(220px,1fr) 150px 64px 64px 84px 56px 44px;
  align-items:center;
  gap:0;
  padding:0 8px;
  border-top:1px solid var(--fm-border);
  border-bottom:1px solid var(--fm-border);
  color:var(--fm-muted);
  font-size:11px;
  font-weight:750;
}
.fm-list-header span:nth-child(2){grid-column:2}
.fm-file-grid.is-list{
  display:block;
  gap:0;
}
.fm-file-grid.is-list .fm-file-card{
  width:100%;
  height:68px;
  display:grid;
  grid-template-columns:34px minmax(220px,1fr) 150px 64px 64px 84px 56px 44px;
  align-items:center;
  gap:0;
  border:0;
  border-bottom:1px solid var(--fm-border);
  border-radius:0;
  background:transparent;
  box-shadow:none;
  overflow:visible;
  transform:none;
}
.fm-file-grid.is-list .fm-file-card:hover{
  border-color:var(--fm-border);
  background:var(--fm-surface-2);
  box-shadow:none;
  transform:none;
}
.fm-file-grid.is-list .fm-file-card.is-selected{
  background:color-mix(in srgb,var(--fm-accent) 9%,var(--fm-surface));
  box-shadow:inset 3px 0 0 var(--fm-accent);
}
.fm-file-grid.is-list .fm-select-mark{
  position:static;
  grid-column:1;
  justify-self:center;
  width:18px;
  height:18px;
  border-radius:4px;
  opacity:.42;
  transform:none;
}
.fm-file-grid.is-list .fm-file-cover{display:none}
.fm-file-grid.is-list .fm-file-meta{
  display:contents;
}
.fm-file-grid.is-list .fm-file-title-cell{
  grid-column:2;
  min-width:0;
  display:flex;
  align-items:center;
  gap:7px;
  padding-right:14px;
}
.fm-file-grid.is-list .fm-file-name{
  min-width:0;
  margin:0;
  font-size:13px;
  font-weight:800;
}
.fm-list-current-badge{
  display:none;
}
.fm-file-grid.is-list .fm-list-current-badge{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:20px;
  padding:0 6px;
  border-radius:6px;
  background:color-mix(in srgb,var(--fm-success) 12%,var(--fm-surface));
  color:var(--fm-success);
  font-size:9px;
  font-weight:850;
}
.fm-file-grid.is-list .fm-file-date{
  grid-column:3;
  grid-row:auto;
  color:var(--fm-muted);
  font-size:11px;
}
.fm-file-grid.is-list .fm-file-stats,
.fm-file-grid.is-list .fm-file-meta>.fm-card-tag-dot{
  display:none;
}
.fm-list-node-count,
.fm-list-link-count,
.fm-list-size,
.fm-list-tag-cell{
  display:none;
}
.fm-file-grid.is-list .fm-list-node-count,
.fm-file-grid.is-list .fm-list-link-count,
.fm-file-grid.is-list .fm-list-size,
.fm-file-grid.is-list .fm-list-tag-cell{
  display:flex;
  align-items:center;
  min-width:0;
  color:var(--fm-text);
  font-size:11px;
}
.fm-file-grid.is-list .fm-list-node-count{grid-column:4}
.fm-file-grid.is-list .fm-list-link-count{grid-column:5}
.fm-file-grid.is-list .fm-list-size{grid-column:6;color:var(--fm-muted)}
.fm-file-grid.is-list .fm-list-tag-cell{
  grid-column:7;
  justify-content:flex-start;
}
.fm-file-grid.is-list .fm-list-tag-cell .fm-card-tag-dot{
  position:static;
  width:14px;
  height:14px;
  opacity:1;
  pointer-events:auto;
  transform:none;
}
.fm-file-grid.is-list .fm-file-menu-btn{
  position:static;
  grid-column:8;
  justify-self:center;
  width:30px;
  height:30px;
  border-radius:8px;
  background:transparent;
  color:var(--fm-muted);
}
.fm-file-grid.is-list .fm-file-menu-btn:hover{
  background:var(--fm-surface-3);
  color:var(--fm-text);
}
.fm-file-grid.is-list>.fm-create-card{
  width:100%;
  height:58px;
  display:grid;
  grid-template-columns:34px minmax(220px,1fr) 150px 64px 64px 84px 56px 44px;
  align-items:center;
  padding:0 8px;
  border:0;
  border-bottom:1px solid var(--fm-border);
  border-radius:0;
  background:transparent;
  box-shadow:none;
  transform:none;
}
.fm-file-grid.is-list>.fm-create-card>div{
  grid-column:2 / 9;
  display:flex;
  align-items:center;
  gap:10px;
}
.fm-file-grid.is-list>.fm-create-card .fm-create-plus{
  width:34px;
  height:34px;
  margin:0;
  font-size:23px;
}
.fm-file-grid.is-list>.fm-create-card p{margin:2px 0 0}
.fm-file-grid.is-list .fm-current-badge{
  display:none;
}
.fm-file-grid:not(.is-list) .fm-list-node-count,
.fm-file-grid:not(.is-list) .fm-list-link-count,
.fm-file-grid:not(.is-list) .fm-list-size,
.fm-file-grid:not(.is-list) .fm-list-tag-cell{
  display:none;
}
@media(max-width:1250px){
  .fm-list-header,
  .fm-file-grid.is-list .fm-file-card,
  .fm-file-grid.is-list>.fm-create-card{
    grid-template-columns:30px minmax(170px,1fr) 130px 54px 54px 74px 48px 40px;
  }
}


/* v8.4.13：文件夹分区、拖放提示与紧凑排布 */
.fm-child-folder-head{
  margin-bottom:7px;
}
.fm-child-folder-head-actions{
  display:flex;
  align-items:center;
  gap:3px;
}
.fm-child-folder-head-actions button{
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:7px;
  background:transparent;
  color:var(--fm-muted);
}
.fm-child-folder-head-actions button:hover,
.fm-child-folder-head-actions button:focus-visible{
  background:var(--fm-surface-3);
  color:var(--fm-accent);
  outline:none;
}
.fm-child-folder-head-actions button svg{
  width:16px;
  height:16px;
  stroke-width:2.1;
}
#fmChildFolderToggle svg{
  transition:transform .16s ease;
}
.fm-child-folder-section.is-collapsed #fmChildFolderToggle svg{
  transform:rotate(180deg);
}
.fm-child-folder-section.is-collapsed{
  margin-bottom:12px;
}
.fm-child-folder-grid{
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:8px;
}
.fm-child-folder-card{
  height:68px;
  grid-template-columns:32px minmax(0,1fr) 28px;
  gap:8px;
  padding:0 8px 0 12px;
  border-radius:9px;
}
.fm-child-folder-icon{
  width:29px;
  height:29px;
}
.fm-child-folder-icon svg{
  width:26px;
  height:26px;
}
.fm-child-folder-meta strong{
  margin-bottom:4px;
  font-size:13px;
}
.fm-child-folder-meta span{
  font-size:10px;
}
.fm-child-folder-menu{
  width:27px;
  height:27px;
  font-size:15px;
}


/* v8.4.13：文件夹拖放目标文字提示 */
.fm-folder-tree-open,
.fm-child-folder-card{
  position:relative;
}
.fm-folder-tree-open[data-drop-hint]::after{
  content:attr(data-drop-hint);
  position:absolute;
  z-index:4;
  inset:3px 3px 3px 22px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  padding:0 6px;
  border-radius:6px;
  background:color-mix(in srgb,var(--fm-accent) 15%,var(--fm-surface));
  color:var(--fm-accent);
  font-size:9px;
  font-weight:850;
  white-space:nowrap;
  pointer-events:none;
}
.fm-folder-tree-open.is-drop-forbidden[data-drop-hint]::after{
  background:color-mix(in srgb,var(--fm-danger) 10%,var(--fm-surface));
  color:var(--fm-danger);
}
.fm-child-folder-card[data-drop-hint]::after{
  content:attr(data-drop-hint);
  position:absolute;
  z-index:5;
  inset:5px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 10px;
  border-radius:7px;
  background:color-mix(in srgb,var(--fm-accent) 13%,var(--fm-surface));
  color:var(--fm-accent);
  font-size:10px;
  font-weight:850;
  pointer-events:none;
}
.fm-child-folder-card.is-drop-forbidden[data-drop-hint]::after{
  background:color-mix(in srgb,var(--fm-danger) 9%,var(--fm-surface));
  color:var(--fm-danger);
}


/* v8.4.22：文件列表垂直对齐与网格卡片操作状态优化 */

/* 列表视图：所有信息严格居中到同一行中线，消除上部空白感 */
.fm-file-grid.is-list .fm-file-card{
  min-height:64px;
  height:64px;
  align-items:center;
}
.fm-file-grid.is-list .fm-file-card > *{
  align-self:center;
}
.fm-file-grid.is-list .fm-file-title-cell,
.fm-file-grid.is-list .fm-file-date,
.fm-file-grid.is-list .fm-list-node-count,
.fm-file-grid.is-list .fm-list-link-count,
.fm-file-grid.is-list .fm-list-size,
.fm-file-grid.is-list .fm-list-tag-cell{
  min-height:64px;
  display:flex;
  align-items:center;
}
.fm-file-grid.is-list .fm-file-title-cell{
  padding-top:0;
  padding-bottom:0;
}
.fm-file-grid.is-list .fm-file-date,
.fm-file-grid.is-list .fm-list-node-count,
.fm-file-grid.is-list .fm-list-link-count,
.fm-file-grid.is-list .fm-list-size{
  line-height:1;
}
.fm-file-grid.is-list .fm-file-menu-btn,
.fm-file-grid.is-list .fm-select-mark{
  align-self:center;
}

/* 网格视图：三点按钮与复选框同步，悬浮、聚焦、选中或菜单打开时显示 */
.fm-file-grid:not(.is-list) .fm-file-menu-btn{
  opacity:0;
  transform:scale(.82);
  pointer-events:none;
  transition:opacity .14s ease,transform .14s ease,background-color .14s ease,color .14s ease;
}
.fm-file-grid:not(.is-list) .fm-file-card:hover .fm-file-menu-btn,
.fm-file-grid:not(.is-list) .fm-file-card:focus-within .fm-file-menu-btn,
.fm-file-grid:not(.is-list) .fm-file-card.is-selected .fm-file-menu-btn,
.fm-file-grid:not(.is-list) .fm-file-menu-btn:focus,
.fm-file-grid:not(.is-list) .fm-file-menu-btn[aria-expanded="true"]{
  opacity:1;
  transform:none;
  pointer-events:auto;
}
.is-selection-mode .fm-file-grid:not(.is-list) .fm-file-menu-btn{
  opacity:1;
  transform:none;
  pointer-events:auto;
}

/* “当前打开”移到网格缩略图左下角，避免与左上角复选框冲突 */
.fm-file-grid:not(.is-list) .fm-current-badge{
  left:9px;
  top:auto;
  bottom:9px;
}
.fm-file-grid:not(.is-list) .fm-trash-badge{
  left:9px;
  top:9px;
  bottom:auto;
}

/* 列表模式的操作按钮保持常驻 */
.fm-file-grid.is-list .fm-file-menu-btn{
  opacity:1;
  transform:none;
  pointer-events:auto;
}


/* 缩略图状态容器：状态徽标相对缩略图定位，不受卡片正文高度影响 */
.fm-file-cover-shell{
  position:relative;
}
.fm-file-cover-shell > .fm-file-cover{
  width:100%;
}
.fm-file-cover-shell .fm-current-badge{
  left:9px;
  top:auto;
  bottom:9px;
}
.fm-file-cover-shell .fm-trash-badge{
  left:9px;
  top:9px;
  bottom:auto;
}
.fm-file-grid.is-list .fm-file-cover-shell{
  display:none;
}

/* v8.4.23：列表单行栅格修复 + 网格“当前打开”状态与标签圆点底部对齐 */

/* 列表视图中的各字段都固定到第一行，避免菜单按钮先占第 8 列后，
   后续 display:contents 子项被自动布局到隐式第二行，造成文字上下错位。 */
.fm-file-grid.is-list .fm-select-mark,
.fm-file-grid.is-list .fm-file-title-cell,
.fm-file-grid.is-list .fm-file-date,
.fm-file-grid.is-list .fm-list-node-count,
.fm-file-grid.is-list .fm-list-link-count,
.fm-file-grid.is-list .fm-list-size,
.fm-file-grid.is-list .fm-list-tag-cell,
.fm-file-grid.is-list .fm-file-menu-btn{
  grid-row:1;
}

/* 网格视图：“当前打开”改为相对整张卡片定位，与右下角标签圆点共用底部基线。 */
.fm-file-grid:not(.is-list) .fm-current-badge{
  left:14px;
  top:auto;
  bottom:14px;
  z-index:6;
}

/* 旧版徽标位于封面容器内时的定位规则不再参与当前打开状态。 */
.fm-file-cover-shell .fm-current-badge{
  left:14px;
  top:auto;
  bottom:14px;
}



/* v8.6.2 P2.2.14 — unified graph/workspace file manager */
.fm-heading-row{display:flex;align-items:center;gap:12px;min-width:0}
.fm-file-type-tabs{display:flex;align-items:center;gap:3px;padding:3px;border:1px solid var(--fm-border);border-radius:10px;background:var(--fm-surface-2)}
.fm-file-type-tabs button{height:28px;padding:0 10px;border:0;border-radius:7px;background:transparent;color:var(--fm-muted);font-size:10px;font-weight:850}
.fm-file-type-tabs button.is-active{background:var(--fm-surface);color:var(--fm-accent);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.fm-workspace-library{min-width:0;min-height:0;overflow:auto;padding:16px;background:var(--fm-surface)}
.fm-workspace-library[hidden]{display:none!important}
.fm-workspace-library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.fm-workspace-search{display:flex;align-items:center;gap:8px;width:min(360px,70vw);height:38px;padding:0 10px;border:1px solid var(--fm-border);border-radius:10px;background:var(--fm-surface-2);color:var(--fm-muted)}
.fm-workspace-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--fm-text)}
.fm-workspace-library-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;color:var(--fm-muted);font-size:10px}
.fm-workspace-library-summary strong{color:var(--fm-text);font-size:11px}
.fm-workspace-card{cursor:pointer}
.fm-workspace-cover{position:relative;height:140px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(145deg,#ede9fe,#eef6ff)}
.fm-workspace-cover-grid{position:absolute;inset:0;background-image:radial-gradient(circle,#b8b4d3 1px,transparent 1px);background-size:18px 18px;opacity:.42}
.fm-workspace-cover>span{position:relative;z-index:1;display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:#fff;color:#6d5dfc;font-size:27px;box-shadow:0 10px 30px rgba(79,70,229,.12)}
.fm-workspace-cover>small{position:absolute;right:10px;bottom:9px;z-index:1;padding:4px 7px;border-radius:999px;background:rgba(255,255,255,.86);color:#64748b;font-size:9px;font-weight:850}
.fm-workspace-actions{display:flex;gap:5px;margin-top:10px}
.fm-workspace-actions button{height:28px;padding:0 8px;border:1px solid var(--fm-border);border-radius:7px;background:var(--fm-surface-2);color:var(--fm-muted);font-size:9px;font-weight:800}
.fm-workspace-actions button:hover{border-color:var(--fm-accent);color:var(--fm-accent)}
.fm-workspace-actions button.danger:hover{border-color:var(--fm-danger);color:var(--fm-danger)}
.fm-workspace-mode .fm-folder-nav,.fm-workspace-mode .fm-storage-card,.fm-workspace-mode .fm-nav-bottom{display:none!important}
.fm-workspace-mode .fm-workspace{grid-template-columns:minmax(0,1fr)!important}
.fm-workspace-mode .fm-top-actions .fm-search,.fm-workspace-mode .fm-top-actions .fm-segment{display:none!important}
@media(max-width:800px){.fm-heading-row{align-items:flex-start;flex-direction:column;gap:6px}.fm-workspace-library{padding:12px}.fm-workspace-library-toolbar{align-items:stretch;flex-direction:column}.fm-workspace-search{width:100%}}
@media(max-width:800px){.fm-sidebar{height:auto;min-height:64px}.fm-sidebar-scroll{display:none}.fm-sidebar-brand-row{min-height:44px}.fm-main{min-height:calc(100vh - 64px)}.fm-topbar{top:0}.fm-account-shell{display:block}.fm-avatar{display:grid}}
@media(max-width:800px){.fm-mobile-readonly-actions{grid-column:1/-1;display:flex;gap:8px;padding-top:7px}.fm-mobile-readonly-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 12px;border:1px solid var(--fm-border);border-radius:10px;background:var(--fm-card);color:var(--fm-text);font-size:12px;font-weight:850;text-decoration:none}}