:root{
  --brand:#e31937;
  --brand-dark:#bd102b;
  --ink:#17212b;
  --muted:#65717d;
  --line:#dce2e7;
  --surface:#fff;
  --canvas:#f4f6f7;
  --nav:#111b25;
  --nav-muted:#9eabb6;
  --success:#157347;
  --warning:#9a6700;
  --danger:#b42318;
  --shadow:0 12px 32px rgba(23,33,43,.12);
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;color:var(--ink);background:var(--canvas);font-family:"Noto Sans TC","Microsoft JhengHei","Segoe UI",sans-serif;letter-spacing:0}
button,input,select,textarea{font:inherit;letter-spacing:0}
button{cursor:pointer}
[hidden]{display:none!important}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(280px,42%) minmax(360px,58%);background:var(--surface)}
.login-brand{display:flex;align-items:flex-start;gap:14px;padding:48px;background:linear-gradient(145deg,#111b25 0%,#26323c 100%);color:#fff}
.login-brand p{margin:9px 0 0;font-weight:700}
.brand-mark{display:inline-grid;place-items:center;width:42px;height:42px;background:var(--brand);color:#fff;font:800 1.45rem/1 Georgia,serif}
.login-panel{align-self:center;width:min(440px,calc(100% - 64px));margin:auto;padding:48px 0}
.eyebrow{margin:0 0 8px;color:var(--brand);font-size:.74rem;font-weight:800;text-transform:uppercase}
.login-panel h1{margin:0 0 38px;font:700 2.2rem/1.2 Georgia,"Noto Serif TC",serif}
.login-panel label{display:block;margin:18px 0 7px;font-size:.85rem;font-weight:700}
input,select,textarea{width:100%;border:1px solid #cbd3d9;border-radius:6px;background:#fff;color:var(--ink);padding:11px 12px;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(227,25,55,.12)}
textarea{min-height:120px;resize:vertical;line-height:1.55}
.form-error{min-height:1.3em;color:var(--danger);font-size:.85rem}
.button{min-height:38px;border:1px solid transparent;border-radius:6px;padding:8px 14px;font-weight:700}
.button-primary{background:var(--brand);color:#fff}
.button-primary:hover{background:var(--brand-dark)}
.button-secondary{border-color:#cbd3d9;background:#fff;color:var(--ink)}
.button-danger{border-color:#e5a8a3;background:#fff;color:var(--danger)}
.button-small{min-height:32px;padding:5px 9px;font-size:.78rem}
.login-submit{width:100%;margin-top:8px}
.admin-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;overflow:auto;background:var(--nav);color:#fff}
.sidebar-brand{height:78px;display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-brand strong,.sidebar-brand small{display:block}.sidebar-brand small{margin-top:3px;color:var(--nav-muted);font-size:.72rem}
.sidebar-nav{padding:14px 10px 28px}
.sidebar-nav p{margin:20px 12px 6px;color:var(--nav-muted);font-size:.68rem;font-weight:800;text-transform:uppercase}
.sidebar-nav button{width:100%;border:0;border-radius:6px;padding:10px 12px;background:transparent;color:#d9e0e5;text-align:left;font-size:.86rem}
.sidebar-nav button:hover,.sidebar-nav button.active{background:rgba(255,255,255,.1);color:#fff}
.sidebar-nav button.active{box-shadow:inset 3px 0 0 var(--brand)}
.admin-main{min-width:0}
.topbar{position:sticky;z-index:10;top:0;min-height:78px;display:flex;align-items:center;gap:24px;padding:12px 28px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.topbar-context{min-width:180px;margin-right:auto}.topbar-context p{margin:0;color:var(--muted);font-size:.72rem}.topbar-context h1{margin:2px 0 0;font:700 1.35rem/1.2 Georgia,"Noto Serif TC",serif}
.site-picker{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:.75rem;font-weight:700}.site-picker select{width:170px;padding:8px 10px}
.account-menu{display:flex;align-items:center;gap:12px;font-size:.82rem;font-weight:700}
.icon-button{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);font-size:1.2rem}
.menu-button{display:none}
.workspace{padding:28px;max-width:1600px;margin:0 auto;outline:none}
.view-header{display:flex;align-items:flex-end;gap:18px;margin-bottom:22px}.view-header>div:first-child{margin-right:auto}.view-header h2{margin:0;font:700 1.5rem/1.25 Georgia,"Noto Serif TC",serif}.view-header p{margin:5px 0 0;color:var(--muted);font-size:.85rem}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px;margin-bottom:28px}
.stat-tile{padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff}.stat-tile span{display:block;color:var(--muted);font-size:.76rem}.stat-tile strong{display:block;margin-top:8px;font:700 1.65rem/1 Georgia,serif}
.panel{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}.panel-header{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}.panel-header h3{margin:0;font-size:.95rem}.panel-header p{margin:0 0 0 auto;color:var(--muted);font-size:.75rem}
.filters{display:flex;align-items:center;gap:10px;margin-bottom:16px}.filters input{max-width:320px}.filters select{width:160px}.filters .button{margin-left:auto}
.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:.82rem}.data-table th{padding:10px 12px;background:#f7f8f9;color:#53606b;font-size:.72rem;text-align:left;white-space:nowrap}.data-table td{padding:12px;border-top:1px solid #edf0f2;vertical-align:top;max-width:340px}.data-table td.cell-wrap{white-space:normal}.data-table td:not(.cell-wrap){white-space:nowrap}.data-table tr:hover td{background:#fbfcfc}.row-actions{display:flex;align-items:center;gap:6px;white-space:nowrap}
.status{display:inline-flex;align-items:center;min-height:24px;border-radius:999px;padding:3px 8px;font-size:.7rem;font-weight:800}.status-published{background:#e8f5ee;color:var(--success)}.status-draft{background:#edf1f4;color:#53606b}.status-review{background:#fff4d6;color:var(--warning)}.status-archived{background:#fbeaea;color:var(--danger)}
.empty-state{padding:48px 20px;color:var(--muted);text-align:center}.loading{padding:48px 20px;color:var(--muted);text-align:center}
.activity-list{margin:0;padding:0;list-style:none}.activity-list li{display:grid;grid-template-columns:170px 1fr auto;gap:18px;padding:13px 18px;border-top:1px solid #edf0f2;font-size:.8rem}.activity-list li:first-child{border-top:0}.activity-list time{color:var(--muted)}
dialog{width:min(820px,calc(100vw - 32px));max-height:calc(100vh - 40px);padding:0;border:0;border-radius:8px;box-shadow:var(--shadow);color:var(--ink)}dialog::backdrop{background:rgba(17,27,37,.58)}
.dialog-header{position:sticky;z-index:2;top:0;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:#fff;border-bottom:1px solid var(--line)}.dialog-header h2{margin:0;font:700 1.3rem/1.2 Georgia,"Noto Serif TC",serif}.dialog-body{padding:22px;overflow:auto}.dialog-footer{position:sticky;bottom:0;display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;background:#fff;border-top:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.form-field{min-width:0}.form-field-full{grid-column:1/-1}.form-field label{display:block;margin-bottom:6px;font-size:.78rem;font-weight:800}.form-field small{display:block;margin-top:5px;color:var(--muted);font-size:.7rem}.checkbox-field{display:flex;align-items:center;gap:9px;min-height:42px}.checkbox-field input{width:18px;height:18px}.checkbox-field label{margin:0}
.history-list{margin:0;padding:0;list-style:none}.history-list li{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.history-list small{display:block;margin-top:3px;color:var(--muted)}
.media-upload{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;padding:18px}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1px;background:var(--line);border-top:1px solid var(--line)}.media-item{min-width:0;padding:14px;background:#fff}.media-preview{display:grid;place-items:center;aspect-ratio:16/9;margin-bottom:12px;background:#eef1f3;overflow:hidden}.media-preview img{width:100%;height:100%;object-fit:cover}.media-preview span{font:800 1rem Georgia,serif;color:var(--muted)}.media-item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem}.media-item small{display:block;margin:5px 0 12px;color:var(--muted)}
.toast{position:fixed;z-index:100;right:22px;bottom:22px;max-width:380px;padding:12px 16px;border-radius:6px;background:var(--ink);color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:var(--danger)}
@media(max-width:1050px){.stats-grid{grid-template-columns:repeat(2,minmax(150px,1fr))}.account-menu span{display:none}}
@media(max-width:780px){.login-shell{grid-template-columns:1fr}.login-brand{min-height:120px;padding:28px}.login-panel{width:calc(100% - 40px);padding:36px 0}.admin-shell{display:block}.sidebar{position:fixed;z-index:30;left:0;transform:translateX(-100%);width:260px;transition:transform .2s}.sidebar.open{transform:none}.menu-button{display:inline-grid}.topbar{gap:12px;padding:10px 14px}.site-picker{margin-left:auto}.site-picker>span{display:none}.site-picker select{width:130px}.account-menu{display:none}.workspace{padding:20px 14px}.view-header{align-items:flex-start;flex-wrap:wrap}.filters{align-items:stretch;flex-wrap:wrap}.filters input{max-width:none;flex:1 1 100%}.filters select{width:auto;flex:1}.filters .button{margin-left:0}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid{grid-template-columns:1fr}.form-field-full{grid-column:auto}.media-upload{grid-template-columns:1fr}.activity-list li{grid-template-columns:1fr}.activity-list time{order:3}.data-table td{max-width:260px}}
@media(max-width:420px){.stats-grid{grid-template-columns:1fr}.topbar-context{min-width:0}.topbar-context p{display:none}.site-picker select{width:112px}}