*{box-sizing:border-box}
body{font-family:system-ui,Segoe UI,Arial;margin:0;color:#111;background:#fafafa}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#1f2937;color:#fff}
h1{font-size:18px;margin:0}
main{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"editor" "preview";gap:12px;padding:12px}
.editor{grid-area:editor;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:12px}
.preview{grid-area:preview;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:12px}
.sidebar{
  position:fixed;
  top:68px;
  right:0;
  width:360px;
  height:calc(100vh - 80px);
  background:#fff;
  border:1px solid #e5e7eb;
  border-right:0;
  border-radius:8px 0 0 8px;
  padding:10px 10px 10px 0;
  overflow:visible;
  display:flex;
  flex-direction:column;
  gap:10px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  transition:transform .22s ease;
  z-index:20;
}
.sidebar-scroll{
  height:100%;
  overflow:auto;
  padding:0 10px 0 0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.sidebar details{border:1px solid #e5e7eb;border-radius:8px;background:#fff}
.sidebar summary{cursor:pointer;padding:10px 12px;font-weight:600;user-select:none}
.sidebar details > *:not(summary){padding:0 10px 10px}
.sidebar-handle{
  position:absolute;
  left:-44px;
  top:10px;
  width:44px;
  height:96px;
  border-radius:8px 0 0 8px;
  background:#1f2937;
  color:#fff;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  letter-spacing:.5px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
}
body.sidebar-collapsed .sidebar{transform:translateX(calc(100% - 44px))}
input,textarea{width:100%;margin:6px 0;padding:8px;border:1px solid #d1d5db;border-radius:6px}
textarea{min-height:220px}
.lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.keywords-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lang-col h3{margin:4px 0 2px;font-size:14px}
.lang-col textarea{min-height:260px}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ai-assist{margin-top:12px;padding:10px;border:1px dashed #cbd5e1;border-radius:8px;background:#f8fafc}
.ai-assist h3{margin:0 0 6px;font-size:14px}
.ai-assist textarea{min-height:90px}
.actions{display:flex;gap:8px;margin-top:8px}
button{padding:8px 12px;border:0;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer}
button[disabled]{opacity:.5;cursor:not-allowed}
ul#docs{list-style:none;padding:0;margin:0}
ul#docs li{display:flex;justify-content:space-between;align-items:center;padding:6px;border-bottom:1px solid #eee}
.uploader{display:flex;gap:8px;align-items:center}
ul#mediaList{list-style:none;padding:0;margin:8px 0}
ul#mediaList li{display:flex;justify-content:space-between;align-items:center;padding:6px;border-bottom:1px solid #eee}
.rendered{line-height:1.6}
.rendered h1,.rendered h2,.rendered h3{margin-top:12px}
.auth{display:flex;gap:8px;align-items:center}