/* Adapted from Vben's sidebar-nav, 224px sidebar, 50px header, 38px tabs,
   rounded navigation and 0.5rem radii. Plain CSS, no Vben/Vue runtime. */
:root{--ea-primary:#006be6;--ea-primary-dark:#0056bd;--ea-bg:#f4f6f9;--ea-sidebar:#fff;--ea-sidebar-hover:#f3f5f8;--ea-sidebar-active:#e8f1ff;--ea-logo:#fff;--ea-line:#e6e9ee;--ea-text:#202632;--ea-text-sub:#596273;--ea-text-mute:#87909e;--ea-card:#fff;--ea-head:#fafbfc;--ea-quote:#f6f8fa}
[data-theme=dark]{--ea-bg:#14161b;--ea-sidebar:#1a1d23;--ea-sidebar-hover:#242a34;--ea-sidebar-active:#15365c;--ea-logo:#1a1d23;--ea-line:#30353e;--ea-text:#e5e9f0;--ea-text-sub:#adb6c6;--ea-text-mute:#8892a3;--ea-card:#1c2027;--ea-head:#242932;--ea-quote:#222832}
body{font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--ea-primary);outline-offset:2px}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}.ea-aside{width:224px;border-right:1px solid var(--ea-line);background:var(--ea-sidebar)}.ea-logo{height:50px;color:var(--ea-text);font-size:21px;font-weight:750;text-decoration:none;padding:0 22px;border-bottom:1px solid var(--ea-line)}.ea-tree{padding:12px}.ea-tree details{margin-bottom:12px}.ea-tree summary{color:var(--ea-text-mute);padding:8px 10px;font-size:12px}.ea-tree ul{padding:0!important;list-style:none}.ea-menu button{display:block;width:100%;text-align:left;color:var(--ea-text-sub);border:0;border-radius:8px;background:transparent;margin:3px 0;padding:9px 14px;min-height:38px;font-size:14px}.ea-menu button:hover{background:var(--ea-sidebar-hover);color:var(--ea-text)}.ea-menu button.on{background:var(--ea-sidebar-active);color:var(--ea-primary);font-weight:600}.ea-wrap{margin-left:224px;min-width:0}.ea-navbar{height:50px;background:var(--ea-card);border-bottom:1px solid var(--ea-line);padding:0 20px;position:sticky;top:0;z-index:30;gap:12px}.ea-crumb{color:var(--ea-text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ea-navbar .spacer{flex:1}.admin-toggle{min-width:32px;padding:3px 8px;font-size:18px}.admin-tabs{display:flex;gap:4px;padding:3px 16px;height:38px;overflow:auto;background:var(--ea-card);border-bottom:1px solid var(--ea-line)}.admin-tabs .ea-btn{flex:none;border:0;border-radius:6px;white-space:nowrap;padding:3px 12px;color:var(--ea-text-sub)}.admin-tabs [aria-current]{background:var(--ea-sidebar-active);color:var(--ea-primary)}.ea-main{padding:20px;min-width:0}.ea-card{border:1px solid var(--ea-line);border-radius:8px;box-shadow:0 1px 2px #00000003;overflow:hidden}.ea-card-head{padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--ea-line);background:var(--ea-card);font-weight:600}.ea-card-body{padding:20px;min-width:0}.ea-card-body:has(>.ea-table){overflow-x:auto}.ea-btn{border-radius:6px;padding:6px 13px;min-height:34px;border-color:var(--ea-line);background:var(--ea-card);color:var(--ea-text);box-shadow:none}.ea-btn.primary{background:var(--ea-primary);border-color:var(--ea-primary);color:#fff}.ea-tool-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ea-input,.ea-field input,.ea-field textarea,.ea-field select{background:var(--ea-card);border:1px solid var(--ea-line);border-radius:6px;min-height:36px;color:var(--ea-text);padding:7px 10px;max-width:100%}.ea-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.ea-field textarea{min-height:84px;resize:vertical}.ea-table{width:100%;min-width:640px;border-collapse:collapse}.ea-table th,.ea-table td{padding:12px 16px;border-bottom:1px solid var(--ea-line);color:var(--ea-text);text-align:left}.ea-table th{background:var(--ea-head);font-size:13px;font-weight:600;white-space:nowrap}.ea-table td .ea-btn{margin:2px 4px 2px 0}.ea-table-scroll{overflow-x:auto}.ea-panels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.ea-panels .ea-panel{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:20px;border:1px solid var(--ea-line);border-radius:8px;background:var(--ea-card);color:var(--ea-text)}.ea-panel .num{font-size:28px;font-weight:600}.ea-panel .cap{font-size:13px;color:var(--ea-text-sub)}.admin-shade{display:none}.st-discovery-fields{border:1px solid var(--ea-line);border-radius:8px;padding:12px}.st-discovery-fields details{margin-bottom:8px}.st-discovery-fields .st-check{padding:4px 0}.st-discovery-fields legend{font-weight:600;font-size:13px}.ea-store .st-panel{border:1px solid var(--ea-line);border-radius:8px;background:var(--ea-card)}.ea-store .st-field,.ea-store .st-button,.st-book-tip .st-field,.st-book-tip .st-button{border-radius:6px}.ea-store .st-button.primary,.st-book-tip .st-button.primary{background:var(--ea-primary);border-color:var(--ea-primary)}.ea-store .st-table th{background:var(--ea-head)}.st-book-tip{max-width:min(640px,calc(100vw - 24px))}.admin-collapsed .ea-aside{width:64px}.admin-collapsed .ea-wrap{margin-left:64px}.admin-collapsed .ea-logo{font-size:0;padding:0;justify-content:center}.admin-collapsed .ea-logo:before{content:'T';font-size:24px}.admin-collapsed .ea-tree{padding:4px}.admin-collapsed .ea-tree summary{font-size:0}.admin-collapsed .ea-menu button{padding:8px 4px;font-size:11px;text-align:center;overflow-wrap:anywhere}
@media(pointer:coarse){.ea-btn,.ea-menu button{min-height:44px}.ea-input,.ea-field input,.ea-field select{min-height:44px}}
@media(max-width:1100px){.ea-navbar{padding:0 12px}.ea-main{padding:16px}}
@media(max-width:760px){.ea-aside,.admin-collapsed .ea-aside{width:240px;transform:translateX(-100%);transition:transform .2s}.ea-wrap,.admin-collapsed .ea-wrap{margin-left:0}.admin-menu-open .ea-aside{transform:translateX(0)}.admin-menu-open .admin-shade{display:block;position:fixed;inset:0;background:#0006;border:0;z-index:90;font-size:0}.ea-navbar{height:calc(50px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}.ea-navbar .ea-chip{display:none}.ea-navbar>.ea-btn{min-height:44px;padding:6px 8px}.ea-crumb{font-size:12px}.ea-main{padding:12px}.ea-panels{gap:8px}.ea-panels .ea-panel{padding:12px}.ea-panel .num{font-size:23px}.ea-card-body,.ea-card-head{padding:14px}.ea-field input,.ea-field textarea{font-size:16px}.ea-write{flex-wrap:wrap}.ea-store .st-page{padding:0}.ea-tree summary{padding:10px}.ea-navbar .spacer{display:none}.ea-navbar .ea-crumb{flex:1}}
@media(prefers-reduced-motion:reduce){.ea-aside{transition:none}}
.admin-tab{display:flex;align-items:center;flex:none;border-radius:6px;gap:2px;padding-right:3px}.admin-tab.is-active{background:var(--ea-sidebar-active)}.admin-tabs .admin-tab-open{min-height:30px;background:transparent}.admin-tab.is-active .admin-tab-open{color:var(--ea-primary)}.admin-tabs .admin-tab-close{display:flex;align-items:center;justify-content:center;width:24px;height:24px;min-height:24px;padding:0;background:transparent;font-size:18px;line-height:1}.admin-tab:hover{background:var(--ea-sidebar-hover)}.admin-tab.is-active:hover{background:var(--ea-sidebar-active)}.admin-tabs .admin-tab-close:hover{background:var(--ea-line);color:var(--ea-text)}.admin-tabs .ea-btn:focus-visible{outline-offset:-2px}
@media(pointer:coarse){.admin-tabs{height:50px}.admin-tabs .admin-tab-open,.admin-tabs .admin-tab-close{min-height:44px}.admin-tabs .admin-tab-close{width:44px;height:44px}}
.admin-classifications{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;align-items:start}.admin-category-tree{padding:8px;max-height:calc(100dvh - 130px);overflow:auto}.admin-category-branch{margin-top:6px}.admin-category-heading{display:flex;align-items:center}.admin-category-heading>.ea-btn:not(.admin-category-toggle){flex:1;min-width:0}.admin-category-tree .ea-btn.admin-category-toggle{width:28px;flex:none;justify-content:center;padding:0;color:var(--ea-text-sub)}.admin-category-tree .ea-btn{display:flex;justify-content:space-between;gap:12px;width:100%;text-align:left;border:0;background:transparent}.admin-category-children .ea-btn{padding-left:40px}.admin-category-tree .ea-btn[aria-current]{background:var(--ea-sidebar-active);color:var(--ea-primary)}.admin-classifications .ea-table{min-width:520px}.admin-classifications .ea-table td:first-child{overflow-wrap:anywhere}.admin-classification-dialog{width:min(620px,calc(100vw - 24px));max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--ea-line);border-radius:8px;background:var(--ea-card);color:var(--ea-text);overflow:auto}.admin-classification-dialog::backdrop{background:#0006}.admin-classification-dialog h2{font-size:18px;margin:0}.admin-classification-dialog .st-discovery-fields{margin:12px 0}.admin-classification-dialog .st-check{display:flex;gap:8px;align-items:center}.admin-classification-dialog input[type=checkbox]{accent-color:var(--ea-primary)}
@media(max-width:760px){.admin-classifications{grid-template-columns:minmax(0,1fr)}.admin-category-tree{max-height:230px}.admin-classification-dialog .ea-card-body{padding:14px}}
.admin-classification-dialog>form{display:flex;flex-direction:column;max-height:calc(100dvh - 36px)}.admin-classification-dialog .ea-card-head,.admin-classification-actions{flex-shrink:0}.admin-classification-dialog form>.ea-card-body{overflow-y:auto;min-height:0}.admin-classification-actions{padding:12px 20px;border-top:1px solid var(--ea-line)}
@media(pointer:coarse){.admin-classification-dialog .st-check{min-height:44px}}

@media(pointer:coarse){.admin-category-tree .ea-btn.admin-category-toggle{width:44px;min-height:44px}}
.admin-category-toolbar{flex-wrap:wrap}.admin-category-toolbar h3{margin:0;overflow-wrap:anywhere;min-width:0}.admin-category-tree .ea-btn>span:first-child{min-width:0;overflow-wrap:anywhere}.admin-category-tree .ea-btn>span:last-child{flex:none}.admin-category-toolbar .ea-tool-row{margin-left:auto}
.st-cover-preview{display:block;max-width:150px;max-height:200px;object-fit:contain;margin:8px 0}.st-cover-preview[hidden]{display:none}
.admin-book-editor{max-width:1120px;margin:0 auto}.admin-book-editor-card{margin-top:16px}.admin-book-editor-card h1{font-size:22px;margin:0 0 20px}.admin-book-editor .st-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}.admin-book-editor .st-form>label{min-width:0}.admin-book-editor .st-form>fieldset,.admin-book-editor .st-form>.st-actions{grid-column:1/-1}.admin-book-editor .st-form>label:has(textarea){grid-column:1/-1}.admin-book-editor .st-form input,.admin-book-editor .st-form textarea{max-width:100%}.admin-book-editor .st-actions{position:sticky;bottom:0;padding:12px 0;background:var(--ea-card);border-top:1px solid var(--ea-line);z-index:5}.admin-book-editor .st-message{overflow-wrap:anywhere}.admin-book-editor .st-message:empty{display:none}
@media(max-width:760px){.admin-book-editor .st-form{grid-template-columns:minmax(0,1fr)}.admin-book-editor-card h1{font-size:20px}.admin-book-editor input,.admin-book-editor textarea{font-size:16px}}
.ea-field.ea-model-toggle{flex-direction:row;align-items:center;justify-content:flex-start;gap:8px;min-height:32px;margin:8px 0}.ea-field.ea-model-toggle input[type=checkbox]{flex:none;width:16px;height:16px;min-height:0;margin:0;padding:0;accent-color:var(--ea-primary)}
@media(pointer:coarse){.ea-field.ea-model-toggle{min-height:44px}}