/* ═══════════════════════════════════════════════════
   WRITE MODE
═══════════════════════════════════════════════════ */

/* ── Write div ── */
#_sd_write {
  display: none;
  outline: none;
  min-height: 100%;
  cursor: text;
}
#_sd_write:empty::before {
  content: 'Start typing\2026';
  color: var(--text-3);
  pointer-events: none;
}

/* ── Write toolbar ── */
#_sd_write-toolbar {
  display: none;
  align-items: center;
  gap: 2px;
  height: 0;
  opacity: 0;
  padding: 0 12px;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  flex-shrink: 0;
  overflow: hidden;
  transition: height .3s cubic-bezier(.4,0,.2,1),
              opacity .22s ease,
              border-color .3s ease,
              padding .3s cubic-bezier(.4,0,.2,1);
}
body.write-mode #_sd_write-toolbar {
  position: relative;
  display: flex;
  justify-content: center;
  height: 34px;
  opacity: 1;
  border-bottom-color: var(--border-subtle);
  padding: 0 12px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
body.write-mode #_sd_write-toolbar::-webkit-scrollbar {
  display: none;
}

.write-tb-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  width: 28px;
  height: 26px;
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--text-2);
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0;
  font-size: 12px;
  font-family: var(--font-ui);
  font-weight: 600;
  transition: color .12s, background .12s;
}
.write-tb-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.write-tb-btn.active {
  color: var(--text);
  background: var(--bg-input);
  box-shadow: var(--shadow-sm);
}
.write-tb-btn code {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  background: none;
  padding: 0;
  color: inherit;
}

.write-tb-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 6px 0;
  flex-shrink: 0;
}

/* ── Tooltips ── */
.write-tb-btn[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s ease;
}
.write-tb-btn[data-tip]:hover::after {
  opacity: 1;
}

/* ── Visibility rules ── */
body.write-mode #_sd_write {
  display: block;
}
body.write-mode #_sd_rendered {
  display: none;
}
body.write-mode #_sd_raw {
  display: none;
}