:root{
  --bg:#f3f6fa;--surface:#fff;--ink:#172033;--muted:#64748b;--line:#e2e8f0;
  --sidebar:#0b1220;--sidebar2:#152033;--blue:#2563eb;--green:#16a34a;--red:#b91c1c;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI","Noto Sans TC",sans-serif;color:var(--ink);background:var(--bg)}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;word-break:break-all}
.login-bg{min-height:100vh;display:grid;place-items:center;padding:24px;background:
radial-gradient(circle at 20% 20%,rgba(37,99,235,.18),transparent 34%),
radial-gradient(circle at 82% 12%,rgba(22,163,74,.10),transparent 30%),#08111f}
.login-card{width:min(440px,100%);background:rgba(255,255,255,.98);padding:34px;border-radius:24px;box-shadow:0 30px 90px rgba(0,0,0,.38)}
.login-card h1{font-size:32px;margin:0 0 8px;letter-spacing:-.04em}
.brand-mark{display:inline-flex;background:#0b1220;color:#fff;border-radius:10px;padding:7px 10px;font-weight:900;letter-spacing:.08em;margin-bottom:18px}
.eyebrow{margin:0 0 6px;color:var(--blue);font-weight:850;font-size:12px;letter-spacing:.09em}
.muted{color:var(--muted);line-height:1.65}
.form-stack,.form-grid{display:grid;gap:16px}
.form-stack{margin-top:25px}
label{display:grid;gap:7px}
label span{font-size:13px;font-weight:800;color:#475569}
input,textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;background:#fff;border-radius:12px;outline:none}
input:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.1)}
textarea{resize:vertical;line-height:1.6}
.primary,.secondary,.danger-small{border:0;border-radius:12px;cursor:pointer;font-weight:850}
.primary{min-height:46px;padding:0 18px;color:#fff;background:var(--blue)}
.secondary{min-height:46px;padding:0 18px;color:#fff;background:#0f172a}
.wide{width:100%;display:flex;justify-content:center;align-items:center;margin-top:10px}
.ghost-link{min-height:44px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;font-weight:800}
.login-foot{text-align:center;color:#94a3b8;font-size:12px;margin:22px 0 0}
.flash{padding:12px 14px;border-radius:12px;margin:0 auto 18px;max-width:1380px;font-weight:700;font-size:14px}
.flash.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.shell{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr)}
.sidebar{height:100vh;position:sticky;top:0;background:linear-gradient(180deg,var(--sidebar),#0e1829);color:#fff;padding:20px 15px;display:flex;flex-direction:column}
.brand{display:grid;gap:3px;padding:8px 9px 24px}
.brand .brand-mark{justify-self:start;margin:0 0 8px;font-size:11px;background:#1e293b}
.brand strong{font-size:18px}.brand small{color:#94a3b8}
.sidebar nav{display:grid;gap:5px}
.sidebar nav a,.sidebar nav .disabled{display:flex;align-items:center;gap:8px;min-height:43px;padding:10px 12px;border-radius:11px;color:#cbd5e1;font-size:14px}
.sidebar nav a:hover{background:var(--sidebar2);color:#fff}
.sidebar nav .disabled{opacity:.48}
.sidebar nav small{margin-left:auto;font-size:10px}
.side-bottom{margin-top:auto;border-top:1px solid rgba(255,255,255,.08);padding:14px 8px 0;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#cbd5e1}
.side-bottom a{color:#fff;font-weight:800}
.main{min-width:0;padding:32px}
.page-head{max-width:1380px;margin:0 auto 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.page-head h1{margin:0;font-size:clamp(28px,3vw,38px);letter-spacing:-.04em}
.page-head .muted{margin:7px 0 0}
.status{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:#f0fdf4;color:#166534;border:1px solid #bbf7d0;font-size:13px;font-weight:800;white-space:nowrap}
.status i{width:8px;height:8px;background:#22c55e;border-radius:50%;box-shadow:0 0 0 4px rgba(34,197,94,.12)}
.stats{max-width:1380px;margin:0 auto 20px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.stats article,.panel,.action-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(15,23,42,.045)}
.stats article{padding:20px;display:grid;gap:6px}
.stats span{font-size:12px;color:#64748b;font-weight:800}.stats strong{font-size:20px}.stats p{margin:0;color:#94a3b8;font-size:13px}
.panel{max-width:1380px;margin:0 auto 20px;padding:22px}
.panel-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:18px}
.panel-head h2{font-size:20px;margin:0}.panel-head p{font-size:14px;color:var(--muted);margin:6px 0 0}
.actions-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.action-card{padding:18px;display:grid;gap:6px}.action-card:hover{box-shadow:0 14px 36px rgba(15,23,42,.08);transform:translateY(-1px)}
.action-card span{color:var(--muted);font-size:13px;line-height:1.6}
.kv-list{display:grid;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.kv-list>div{display:grid;grid-template-columns:180px 1fr;gap:12px;padding:13px 15px;border-bottom:1px solid var(--line)}
.kv-list>div:last-child{border-bottom:0}.kv-list span{color:var(--muted);font-size:13px}
.editor-grid{max-width:1380px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px}
.editor-grid .panel{max-width:none}
.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid .full{grid-column:1/-1}
.right-rail .sticky{position:sticky;top:20px}
.publish-note{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:14px}
.publish-note b{font-size:14px}.publish-note ol{margin:9px 0 0;padding-left:20px;color:#64748b;font-size:13px;line-height:1.7}
.version-list{display:grid;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.version-row{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}
.version-row:last-child{border-bottom:0}.version-row>div{display:grid;gap:4px}.version-row span{color:var(--muted);font-size:12px}
.danger-small{padding:9px 12px;background:#fee2e2;color:#991b1b}
.empty{color:var(--muted);padding:26px;text-align:center;border:1px dashed #cbd5e1;border-radius:14px}
@media(max-width:900px){
  .shell{grid-template-columns:1fr}.sidebar{height:auto;position:static}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sidebar nav .disabled{display:none}.side-bottom{margin-top:12px}.main{padding:20px 14px 70px}.page-head{align-items:flex-start;flex-direction:column}
  .stats,.actions-grid,.form-grid,.editor-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.right-rail .sticky{position:static}
  .kv-list>div{grid-template-columns:1fr}.version-row{align-items:flex-start}
}


.image-upload-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:20px;
}
.image-uploader{
  border:1px solid var(--line);
  border-radius:16px;
  background:#f8fafc;
  padding:14px;
}
.image-uploader-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
  margin-bottom:12px;
}
.image-uploader-head>div{
  display:grid;
  gap:3px;
}
.image-uploader-head b{
  font-size:14px;
}
.image-uploader-head small{
  color:var(--muted);
  font-size:11px;
}
.image-uploader-head>span{
  color:#64748b;
  font-size:10px;
  text-align:right;
}
.image-preview{
  width:100%;
  background:#e2e8f0;
  border:1px solid #cbd5e1;
  border-radius:13px;
  overflow:hidden;
  display:grid;
  place-items:center;
  margin-bottom:12px;
}
.image-preview.hero-bg-preview{
  aspect-ratio:16/9;
}
.image-preview.hero-side-preview{
  aspect-ratio:4/3;
}
.image-preview img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}
.hero-side-preview img{
  object-fit:contain;
  background:#0f172a;
}
.upload-button{
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:42px;
  border-radius:11px;
  border:1px solid #bfdbfe;
  background:#eff6ff;
  color:#1d4ed8;
  font-size:13px;
  font-weight:850;
  cursor:pointer;
}
.upload-button:hover{
  background:#dbeafe;
}
.upload-button input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.upload-info{
  background:#eff6ff;
  border:1px solid #bfdbfe;
  border-radius:14px;
  padding:13px 14px;
  margin-bottom:14px;
}
.upload-info b{
  color:#1d4ed8;
  font-size:13px;
}
.upload-info p{
  margin:5px 0 0;
  color:#475569;
  font-size:12px;
  line-height:1.55;
}
@media(max-width:900px){
  .image-upload-grid{
    grid-template-columns:1fr;
  }
}


.actions-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.subheading{font-size:14px;margin:20px 0 10px;color:#475569}
.check-editor{display:grid;gap:9px}
.check-edit-row{display:grid;grid-template-columns:minmax(150px,.45fr) 1fr;gap:9px}

.collection-list{display:grid;gap:14px}
.collection-card{
  border:1px solid var(--line);
  border-radius:16px;
  background:#f8fafc;
  overflow:hidden;
}
.collection-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:9px 12px;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.drag-hint{font-size:11px;color:#64748b;font-weight:800}
.tiny-button{
  border:1px solid #cbd5e1;
  background:#fff;
  min-width:34px;
  height:30px;
  padding:0 8px;
  border-radius:8px;
  cursor:pointer;
  font-size:12px;
  font-weight:800;
}
.tiny-button:hover{background:#f1f5f9}
.tiny-button.danger{color:#991b1b;border-color:#fecaca;background:#fff7f7}
.collection-body{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:16px;
  padding:14px;
}
.collection-image{min-width:0}
.collection-preview{aspect-ratio:4/3;margin-bottom:10px}
.collection-preview img{object-fit:cover}
.no-image{font-size:12px;color:#94a3b8}
.collection-fields{display:grid;gap:12px}
.switch-row{
  display:flex;
  align-items:center;
  gap:9px;
  padding:8px 0;
}
.switch-row input[type="checkbox"]{width:18px;height:18px}
.switch-row input[type="hidden"]{display:none}
.add-button{
  border:0;
  border-radius:11px;
  padding:10px 14px;
  background:#2563eb;
  color:#fff;
  font-weight:850;
  cursor:pointer;
}
.logo-preview{aspect-ratio:3/1;background:#fff}
.logo-preview img{object-fit:contain;padding:12px}
.favicon-preview{aspect-ratio:1/1;max-width:210px;background:#fff}
.favicon-preview img{object-fit:contain;padding:20px}
.single-upload{margin-top:18px;max-width:520px}

@media(max-width:1100px){
  .actions-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
  .check-edit-row{grid-template-columns:1fr}
  .collection-body{grid-template-columns:1fr}
  .actions-grid.three{grid-template-columns:1fr}
}