/* ============================================================
   components5.css — RichTextEditor (proprietary).
   ============================================================ */
.ui-rte { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); overflow: hidden; display: flex; flex-direction: column; transition: border-color .15s, box-shadow .15s; }
.ui-rte:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }

/* toolbar */
.ui-rte-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.ui-rte-group { display: inline-flex; gap: 2px; padding-right: 6px; margin-right: 2px; border-right: 1px solid var(--divider); }
.ui-rte-group:last-child { border-right: 0; }
.ui-rte-btn { position: relative; width: 34px; height: 34px; border: 0; background: transparent; border-radius: var(--r-sm); cursor: pointer; color: var(--body); font-size: 14px; display: inline-flex; align-items: center; justify-content: center; transition: background .12s, color .12s; }
.ui-rte-btn:hover { background: var(--surface-sunken); color: var(--ink); }
.ui-rte-btn.active { background: var(--accent-soft); color: var(--accent-deep); }

/* heading select */
.ui-rte-sel { position: relative; }
.ui-rte-sel-btn { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--r-sm); cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink); min-width: 108px; }
.ui-rte-sel-btn i { margin-left: auto; font-size: 10px; color: var(--meta); }
.ui-rte-sel-pop { min-width: 150px; }
.ui-rte-sel-pop .ui-opt { display: block; }

/* color */
.ui-rte-color { position: relative; }
.ui-rte-color-bar { position: absolute; bottom: 5px; left: 8px; right: 8px; height: 3px; border-radius: 2px; }
.ui-rte-color-pop { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; min-width: auto; width: max-content; padding: 8px; }
.ui-rte-swatch { width: 28px; height: 28px; border-radius: 7px; border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--line); cursor: pointer; }
.ui-rte-swatch:hover { transform: scale(1.1); }

/* editable area */
.ui-rte-area { padding: 14px 16px; outline: none; font-size: 14.5px; line-height: 1.65; color: var(--ink); overflow-y: auto; max-height: 420px; }
.ui-rte-area:empty::before { content: attr(data-ph); color: var(--label); pointer-events: none; }
.ui-rte-area p { margin: 0 0 10px; }
.ui-rte-area h1 { font-size: 22px; font-weight: 800; margin: 4px 0 10px; }
.ui-rte-area h2 { font-size: 18px; font-weight: 800; margin: 4px 0 8px; }
.ui-rte-area h3 { font-size: 15.5px; font-weight: 700; margin: 4px 0 6px; }
.ui-rte-area ul, .ui-rte-area ol { margin: 0 0 10px; padding-left: 24px; }
.ui-rte-area li { margin: 3px 0; }
.ui-rte-area a { color: var(--accent); text-decoration: underline; }
.ui-rte-area blockquote { margin: 0 0 10px; padding: 6px 14px; border-left: 3px solid var(--accent); background: var(--surface-2); color: var(--body); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.ui-rte-area pre { margin: 0 0 10px; padding: 12px 14px; background: var(--brand-dark, #1a1a2e); color: #e2e8f0; border-radius: var(--r-sm); font-family: var(--mono); font-size: 13px; overflow-x: auto; white-space: pre-wrap; }

/* footer */
.ui-rte-foot { display: flex; align-items: center; justify-content: flex-end; padding: 7px 14px; border-top: 1px solid var(--divider); background: var(--surface-2); }
.ui-rte-count { font-size: 11.5px; color: var(--meta); font-weight: 600; }

/* compact variant */
.ui-rte.compact .ui-rte-toolbar { padding: 6px 8px; }
.ui-rte.compact .ui-rte-btn { width: 32px; height: 32px; }

/* touch-friendly */
@media (max-width: 640px) {
  .ui-rte-btn { width: 38px; height: 38px; font-size: 15px; }
  .ui-rte-sel-btn { height: 38px; }
  .ui-rte-toolbar { gap: 4px; }
  .ui-rte-group { padding-right: 4px; margin-right: 0; }
}