/* Minimal, quiet UI (Japanese-ish calm) */
:root{
  --bg: #fbfaf8;
  --panel: #ffffff;
  --ink: #141414;
  --muted: #6b6b6b;
  --line: #ece8e2;
  --shadow: 0 1px 10px rgba(0,0,0,.04);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
}

.topbar{
  position: sticky;
  top:0;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  background: rgba(251,250,248,.88);
  backdrop-filter: blur(8px);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 220px;
}
.dot{
  width:10px;height:10px;border-radius:99px;
  background:#111;
  opacity:.9;
}
.titles .title{
  font-size:14px;
  letter-spacing:.08em;
  text-transform: uppercase;
}
.titles .subtitle{
  font-size:12px;
  color: var(--muted);
  margin-top:2px;
}

.actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.search{
  width:min(420px, 40vw);
  padding:9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.9);
  outline:none;
}
.search:focus{ border-color:#d9d2c9; box-shadow: 0 0 0 3px rgba(0,0,0,.04); }

.btn{
  padding:9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor:pointer;
  font-size: 13px;
}
.btn:hover{ border-color:#d9d2c9; }
.btn.primary{
  background:#111;
  color:#fff;
  border-color:#111;
}
.btn.primary:hover{ opacity:.92; }
.btn.ghost{
  background:transparent;
}

.layout{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap:18px;
  padding:18px;
  height: calc(100% - 62px);
}

.sidebar{
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:14px;
  display:flex;
  flex-direction:column;
  min-height: 0;
}

.sidebarHeader{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:10px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.sidebarTitle{
  font-size:12px;
  letter-spacing:.08em;
  text-transform: uppercase;
  color:#333;
}
.status{
  font-size:12px;
  color: var(--muted);
  font-family: var(--mono);
}

.sections{
  padding:10px 0;
  overflow:auto;
  min-height:0;
}
.sectionItem{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius: 10px;
  cursor:pointer;
  color:#222;
  text-decoration:none;
}
.sectionItem:hover{ background: rgba(0,0,0,.04); }
.sectionItem .hash{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
  width: 18px;
  text-align:center;
}
.sectionItem .label{
  font-size: 13px;
}

.sidebarFooter{
  border-top:1px solid var(--line);
  padding-top:12px;
}
.hint{
  font-size:12px;
  color: var(--muted);
  line-height: 1.6;
}
.kbd{
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.8);
  padding: 2px 6px;
  border-radius: 8px;
}

.editorPane{
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
  min-height: 0;
}

.editor{
  height: 100%;
}

/* Toast UI Editor tweaks */
.toastui-editor-defaultUI{
  border: none !important;
  background: transparent !important;
}
.toastui-editor-toolbar{
  border-bottom: 1px solid var(--line) !important;
  background: rgba(255,255,255,.65) !important;
}
.toastui-editor-main{
  background: transparent !important;
}
.toastui-editor-md-container, .toastui-editor-ww-container{
  background: transparent !important;
}
.toastui-editor-contents{
  font-size: 15px;
  line-height: 1.7;
}

/* Style backticks in tables to look like keyboard keys */
.toastui-editor-contents table code {
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  padding: 2px 6px;
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.1);
  color: var(--ink);
  margin: 0 2px;
}

.section-focus {
  background: rgba(0,0,0,0.04);
  transition: background 1.2s ease;
}

@media print {
  .topbar, .sidebar, #toast { display: none !important; }
  .layout { display: block !important; }
  .editorPane { height: auto !important; }
  body { background: #fff !important; }
}


/* Mobile-ish fallback */
@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; height:auto; }
  .sidebar{ order: 2; }
  .editorPane{ min-height: 70vh; }
  .search{ width: min(420px, 60vw); }
}

/* Toast message */
.toast{
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17,17,17,.92);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.toast.show{ opacity: 1; }