:root{--bg:#faf6f1;--bg-elev:#fff;--bg-sunken:#f3ede4;--surface:#fffaf3;--surface-2:#f7efe2;--border:#ece2d2;--border-strong:#d9c9b2;--divider:#f0e7d6;--text:#2a2118;--text-2:#5a4a3a;--text-3:#8a7766;--text-mute:#b5a48f;--text-inv:#fffaf3;--accent:#ea580c;--accent-hover:#c2470a;--accent-soft:#fce7d4;--accent-softer:#fdf3e8;--accent-ring:rgba(234,88,12,.25);--warm-1:#c2410c;--warm-2:#a16207;--warm-3:#92400e;--warm-4:#b45309;--warm-5:#be185d;--warm-6:#15803d;--warm-1-soft:#fed7aa;--warm-2-soft:#fde68a;--warm-3-soft:#fde2c4;--warm-4-soft:#fcd9b6;--warm-5-soft:#fbcfe8;--warm-6-soft:#d1fae5;--success:#15803d;--success-soft:#d1fae5;--warning:#b45309;--warning-soft:#fde68a;--danger:#b91c1c;--danger-soft:#fecaca;--info:#1d4ed8;--info-soft:#dbeafe;--font-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--font-mono:"JetBrains Mono","SF Mono",Consolas,Monaco,"Courier New",monospace;--pad-1:4px;--pad-2:8px;--pad-3:12px;--pad-4:16px;--pad-5:20px;--pad-6:24px;--pad-8:32px;--row-h:44px;--r-sm:6px;--r-md:10px;--r-lg:14px;--r-xl:20px;--r-pill:999px;--shadow-1:0 1px 2px rgba(74,47,19,.04),0 1px 3px rgba(74,47,19,.06);--shadow-2:0 4px 12px rgba(74,47,19,.06),0 2px 4px rgba(74,47,19,.04);--shadow-3:0 12px 32px rgba(74,47,19,.12),0 4px 12px rgba(74,47,19,.06);--shadow-glow:0 0 0 4px var(--accent-ring);--sidebar-w:200px;--sidebar-w-collapsed:64px;--header-h:56px}[data-theme=dark]{--bg:#1a1612;--bg-elev:#221c16;--bg-sunken:#15110d;--surface:#221c16;--surface-2:#2a221a;--border:#3a2e23;--border-strong:#4a3a2a;--divider:#2e251b;--text:#f5ebd9;--text-2:#cbb89a;--text-3:#998571;--text-mute:#6e5d4a;--text-inv:#1a1612;--accent:#fb923c;--accent-hover:#fdba74;--accent-soft:#3a2616;--accent-softer:#2a1c10;--accent-ring:rgba(251,146,60,.3);--warm-1-soft:#4a2a14;--warm-2-soft:#4a3a14;--warm-3-soft:#4a3020;--warm-4-soft:#4a3018;--warm-5-soft:#4a1c34;--warm-6-soft:#18402a;--success-soft:#14402a;--warning-soft:#4a3a14;--danger-soft:#4a1c1c;--info-soft:#1a2a4a;--shadow-1:0 1px 2px rgba(0,0,0,.4);--shadow-2:0 4px 12px rgba(0,0,0,.5);--shadow-3:0 12px 32px rgba(0,0,0,.6)}[data-density=compact]{--pad-3:8px;--pad-4:12px;--pad-5:16px;--pad-6:18px;--pad-8:24px;--row-h:36px}[data-density=cozy]{--pad-3:16px;--pad-4:20px;--pad-5:24px;--pad-6:32px;--pad-8:40px;--row-h:52px}*,:after,:before{box-sizing:border-box}.bc-app,.bc-app *{font-family:var(--font-sans)}.bc-app{color:var(--text);background:var(--bg);font-size:14px;line-height:1.2;-webkit-font-smoothing:antialiased;letter-spacing:.01em}.bc-app button{font-family:inherit}.bc-shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;grid-template-rows:var(--header-h) 1fr;grid-template-areas:"sidebar header" "sidebar main";height:100%;width:100%;background:var(--bg);transition:grid-template-columns .22s ease}.bc-shell[data-collapsed=true]{grid-template-columns:var(--sidebar-w-collapsed) 1fr}.bc-sidebar{grid-area:sidebar;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.bc-sidebar-brand{height:var(--header-h);display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--border);flex-shrink:0}.bc-sidebar-brand-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#ea580c,#c2410c);display:grid;place-items:center;color:#fff;font-weight:700;flex-shrink:0;box-shadow:0 2px 6px rgba(234,88,12,.3)}.bc-sidebar-brand-name{font-size:16px;font-weight:600;color:var(--text);letter-spacing:-.01em;white-space:nowrap}.bc-sidebar-brand-sub{font-size:11px;color:var(--text-3);white-space:nowrap}.bc-shell[data-collapsed=true] .bc-sidebar-brand-name,.bc-shell[data-collapsed=true] .bc-sidebar-brand-sub,.bc-shell[data-collapsed=true] .bc-sidebar-brand-text{display:none}.bc-sidebar-nav{flex:1 1;overflow-y:auto;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.bc-sidebar-nav::-webkit-scrollbar{width:4px}.bc-sidebar-nav::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}.bc-nav-group-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);padding:12px 12px 6px;white-space:nowrap;overflow:hidden}.bc-shell[data-collapsed=true] .bc-nav-group-label{font-size:0;padding:8px 0;height:1px;border-top:1px solid var(--divider);margin:4px 12px}.bc-nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;color:var(--text-2);font-size:13.5px;cursor:pointer;border:none;background:transparent;width:100%;text-align:left;position:relative;transition:background .12s,color .12s;white-space:nowrap;overflow:hidden}.bc-nav-item:hover{background:var(--bg-sunken);color:var(--text)}.bc-nav-item[data-active=true]{background:var(--accent-soft);color:var(--accent);font-weight:600}.bc-nav-item[data-active=true]:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}.bc-nav-icon{width:18px;height:18px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.bc-nav-label{flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis}.bc-nav-badge{font-size:10px;background:var(--accent);color:#fff;padding:1px 6px;border-radius:10px;font-weight:600;flex-shrink:0}.bc-shell[data-collapsed=true] .bc-nav-badge,.bc-shell[data-collapsed=true] .bc-nav-label{display:none}.bc-shell[data-collapsed=true] .bc-nav-item{justify-content:center;padding:9px}.bc-sidebar-footer{border-top:1px solid var(--border);padding:12px 8px;flex-shrink:0}.bc-header{grid-area:header;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px}.bc-header-toggle{background:transparent;border:none;width:32px;height:32px;border-radius:6px;display:grid;place-items:center;color:var(--text-2);cursor:pointer;transition:background .12s}.bc-header-toggle:hover{background:var(--bg-sunken);color:var(--text)}.bc-breadcrumb{flex:1 1;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}.bc-breadcrumb-current{color:var(--text);font-weight:600}.bc-header-search{flex:0 1 320px;position:relative}.bc-header-search input{width:100%;padding:7px 12px 7px 34px;border:1px solid var(--border);border-radius:8px;background:var(--bg-sunken);color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .12s,background .12s,box-shadow .12s}.bc-header-search input:focus{border-color:var(--accent);background:var(--bg-elev);box-shadow:0 0 0 3px var(--accent-ring)}.bc-header-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.8}.bc-header-actions{display:flex;align-items:center;gap:8px}.bc-header-icon-btn{width:34px;height:34px;border-radius:8px;border:none;background:transparent;color:var(--text-2);cursor:pointer;display:grid;place-items:center;position:relative;transition:background .12s,color .12s}.bc-header-icon-btn:hover{background:var(--bg-sunken);color:var(--text)}.bc-header-icon-btn .bc-dot{position:absolute;top:7px;right:7px;width:8px;height:8px;border-radius:50%;background:var(--accent);border:2px solid var(--surface)}.bc-user{display:flex;align-items:center;gap:10px;padding:4px 10px 4px 4px;border-radius:999px;cursor:pointer;transition:background .12s}.bc-user:hover{background:var(--bg-sunken)}.bc-user-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#fdba74,#ea580c);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600}.bc-user-meta{line-height:1.2}.bc-user-name{font-size:12.5px;font-weight:600;color:var(--text)}.bc-user-role{font-size:10.5px;color:var(--text-3)}.bc-logout{display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text-2);font-size:13px;cursor:pointer;transition:all .12s}.bc-logout:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-softer)}.bc-main{grid-area:main;overflow:auto;padding:24px 28px;background:var(--bg)}.bc-page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}.bc-page-title{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--text)}.bc-page-sub{font-size:13px;color:var(--text-3);margin-top:4px}.bc-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-1)}.bc-card-pad{padding:var(--pad-5)}.bc-card-head{padding:14px 18px;border-bottom:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between;gap:12px}.bc-card-title{font-size:14px;font-weight:600;color:var(--text)}.bc-card-sub{font-size:12px;color:var(--text-3);margin-top:2px}.bc-card-body{padding:16px 18px}.bc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer;transition:all .12s;white-space:nowrap;font-family:inherit}.bc-btn:hover{border-color:var(--border-strong);color:var(--text);background:var(--bg-sunken)}.bc-btn[data-variant=primary]{background:var(--accent);border-color:var(--accent);color:#fff}.bc-btn[data-variant=primary]:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.bc-btn[data-variant=ghost]{border-color:transparent;background:transparent}.bc-btn[data-variant=ghost]:hover{background:var(--bg-sunken)}.bc-btn[data-variant=danger]{color:var(--danger);border-color:var(--danger-soft)}.bc-btn[data-variant=danger]:hover{background:var(--danger-soft)}.bc-btn[data-size=sm]{padding:4px 10px;font-size:12px}.bc-btn[data-size=lg]{padding:10px 18px;font-size:14px}.bc-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}.bc-btn:disabled{opacity:.55;cursor:not-allowed}@keyframes bc-spin{to{transform:rotate(1turn)}}.bc-spinner{display:inline-block;width:12px;height:12px;border:2px solid;border-right:2px solid transparent;border-radius:50%;animation:bc-spin .6s linear infinite}.bc-input,.bc-select,.bc-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elev);color:var(--text);font-size:13.5px;font-family:inherit;outline:none;transition:border-color .12s,box-shadow .12s}.bc-input:focus,.bc-select:focus,.bc-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}.bc-textarea{resize:vertical;min-height:80px;line-height:1.3}.bc-input::placeholder,.bc-textarea::placeholder{color:var(--text-mute)}.bc-label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:6px}.bc-label-required:after{content:" *";color:var(--accent)}.bc-help{font-size:11.5px;color:var(--text-3);margin-top:4px}.bc-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:600;border-radius:999px;background:var(--bg-sunken);color:var(--text-2);white-space:nowrap}.bc-badge[data-tone=accent]{background:var(--accent-soft);color:var(--accent)}.bc-badge[data-tone=success]{background:var(--success-soft);color:var(--success)}.bc-badge[data-tone=warning]{background:var(--warning-soft);color:var(--warning)}.bc-badge[data-tone=danger]{background:var(--danger-soft);color:var(--danger)}.bc-badge[data-tone=info]{background:var(--info-soft);color:var(--info)}.bc-badge[data-tone=warm-1]{background:var(--warm-1-soft);color:var(--warm-1)}.bc-badge[data-tone=warm-2]{background:var(--warm-2-soft);color:var(--warm-2)}.bc-badge[data-tone=warm-3]{background:var(--warm-3-soft);color:var(--warm-3)}.bc-badge[data-tone=warm-5]{background:var(--warm-5-soft);color:var(--warm-5)}.bc-badge[data-tone=warm-6]{background:var(--warm-6-soft);color:var(--warm-6)}.bc-badge .bc-dot-inline{width:6px;height:6px;border-radius:50%;background:currentColor}.bc-table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}.bc-table th{text-align:left;font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);padding:6px 14px;background:var(--bg-sunken);border-bottom:1px solid var(--border);white-space:nowrap}.bc-table th:first-child{border-top-left-radius:8px}.bc-table th:last-child{border-top-right-radius:8px}.bc-table td{padding:8px 14px;border-bottom:1px solid var(--divider);color:var(--text);vertical-align:middle}.bc-table tr:hover td{background:var(--bg-sunken)}.bc-table-strong{font-weight:600;color:var(--text)}.bc-table-mute{color:var(--text-3)}.bc-tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:18px}.bc-tab{padding:10px 14px;font-size:13.5px;color:var(--text-3);background:transparent;cursor:pointer;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;font-family:inherit;font-weight:500;transition:color .12s,border-color .12s}.bc-tab:hover{color:var(--text)}.bc-tab[data-active=true]{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.bc-switch{position:relative;width:36px;height:20px;background:var(--border-strong);border-radius:999px;cursor:pointer;transition:background .15s;flex-shrink:0}.bc-switch:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.15);transition:transform .15s}.bc-switch[data-on=true]{background:var(--accent)}.bc-switch[data-on=true]:after{transform:translateX(16px)}.bc-stat{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;position:relative;overflow:hidden}.bc-stat-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:12px}.bc-stat-icon svg{width:18px;height:18px;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}.bc-stat-value{font-size:28px;font-weight:700;color:var(--text);letter-spacing:-.02em;line-height:1.1}.bc-stat-label{font-size:12.5px;color:var(--text-3);margin-top:4px}.bc-stat-delta{display:inline-flex;align-items:center;gap:3px;font-size:11.5px;font-weight:600;margin-top:8px;padding:1px 6px;border-radius:4px}.bc-stat-delta[data-dir=up]{color:var(--success);background:var(--success-soft)}.bc-stat-delta[data-dir=down]{color:var(--danger);background:var(--danger-soft)}.bc-empty{padding:40px;text-align:center;color:var(--text-3);font-size:13px}.bc-row{display:flex;align-items:center;gap:8px}.bc-stack{display:flex;flex-direction:column}.bc-divider{height:1px;background:var(--divider);margin:16px 0}.bc-grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.bc-grid-3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.bc-grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px}.bc-login{min-height:100%;display:grid;place-items:center;background:radial-gradient(ellipse at 20% 10%,rgba(234,88,12,.08),transparent 60%),radial-gradient(ellipse at 80% 90%,rgba(180,83,9,.06),transparent 60%),var(--bg);padding:24px}.bc-login-card{width:100%;max-width:400px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px 32px 28px;box-shadow:var(--shadow-2)}.bc-login-brand{text-align:center;margin-bottom:28px}.bc-login-mark{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#ea580c,#92400e);margin:0 auto 16px;display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px rgba(234,88,12,.35)}.bc-login-name{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--text)}.bc-login-tag{font-size:12.5px;color:var(--text-3);margin-top:4px}.bc-login-field{margin-bottom:14px}.bc-login-foot{text-align:center;font-size:11px;color:var(--text-mute);margin-top:18px;padding-top:14px;border-top:1px solid var(--divider)}.bc-bar-row{display:flex;align-items:center;gap:10px;padding:6px 0}.bc-bar-label{width:110px;font-size:12.5px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bc-bar-track{flex:1 1;height:8px;background:var(--bg-sunken);border-radius:4px;overflow:hidden}.bc-bar-fill{height:100%;background:linear-gradient(90deg,#ea580c,#fb923c);border-radius:4px}.bc-bar-value{font-size:12px;font-weight:600;color:var(--text-2);width:48px;text-align:right}.bc-chat-msg{display:flex;gap:10px;padding:10px 0}.bc-chat-avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-size:11px;font-weight:600}.bc-chat-avatar[data-who=user]{background:var(--bg-sunken);color:var(--text-2)}.bc-chat-avatar[data-who=bot]{background:linear-gradient(135deg,#fdba74,#ea580c);color:#fff}.bc-chat-bubble{background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:13px;line-height:1.25;color:var(--text);max-width:80%}.bc-chat-bubble[data-who=user]{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--text)}.bc-upload{border:2px dashed var(--border-strong);border-radius:var(--r-lg);padding:36px 24px;text-align:center;background:var(--bg-sunken);transition:all .15s;cursor:pointer}.bc-upload:hover{border-color:var(--accent);background:var(--accent-softer)}