/* PX to REM — стили только этой страницы (редактор CSS — static/css/css-tools.css) */
.pr-settings { border-top: 0; border-bottom: 1px solid var(--border); }
.pr-settings input[type="text"] { width: 84px; }
.pr-err { flex-basis: 100%; color: var(--danger); font-size: 14px; }
.pr-err:empty { display: none; }
.pr-hint { flex-basis: 100%; margin: 0; }
.pr-hint[hidden], .pr-css-opts[hidden] { display: none; }
.pr-css-opts { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; flex-basis: 100%; }
.pr-tabs { display: flex; gap: 4px; padding: 12px 16px 0; border-bottom: 1px solid var(--border); }
.pr-tabs [role="tab"] { height: 40px; padding: 0 16px; border: 1px solid transparent; border-bottom: 0; border-radius: 10px 10px 0 0; background: none; color: var(--muted); font: 600 15px var(--font); cursor: pointer; margin-bottom: -1px; }
.pr-tabs [role="tab"][aria-selected="true"] { background: var(--surface); color: var(--blue); border-color: var(--border); border-bottom: 1px solid var(--surface); }
.pr-tabs [role="tab"]:focus-visible { outline: none; box-shadow: var(--focus); }
.pr-panel[hidden] { display: none; }
.pr-panel[data-panel="convert"], .pr-panel[data-panel="table"], .pr-panel[data-panel="bulk"] { padding: 16px; }
.pr-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 16px; }
.pr-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 8px; align-items: center; }
.pr-field label { grid-column: 1 / -1; font-weight: 600; font-size: 14px; }
.pr-field input { min-width: 0; height: 48px; padding: 0 12px; font: 500 20px var(--mono); color: var(--ink); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.pr-field input:focus { outline: none; border-color: var(--blue); box-shadow: var(--focus); }
.pr-field input.invalid { border-color: var(--danger); background: var(--danger-tint); }
.pr-field .btn { height: 48px; }
.pr-ferr { grid-column: 1 / -1; color: var(--danger); font-size: 13px; }
.pr-ferr:empty { display: none; }
.pr-formula { margin-top: 14px; display: flex; flex-direction: column; gap: 4px; font-size: 15px; }
.pr-formula code { font-family: var(--mono); }
.pr-tables { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 12px; }
.pr-tablewrap { overflow-x: auto; max-width: 100%; }
.pr-table { width: 100%; border-collapse: collapse; font: 400 14px var(--mono); }
.pr-table caption { text-align: left; font: 600 14px var(--font); padding: 0 0 6px; }
.pr-table th, .pr-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.pr-table th { font-family: var(--font); color: var(--muted); font-weight: 600; }
.pr-table td.bad { color: var(--danger); }
.pr-bulk { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.pr-bulk-in { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.pr-bulk textarea.io { height: 260px; }
.pr-bulk-out { max-height: 320px; overflow: auto; }
.pr-panel .notice { margin: 12px 0 0; }
.pr-panel[data-panel="css"] .notice { margin: 0 16px 12px; }
.pr-css-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 12px; }
.gen-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.pr-formula-block { margin-top: 16px; }
@media (min-width: 769px) {
  .pr-more > summary { display: none; }
}
@media (max-width: 768px) {
  .pr-tabs { padding: 8px 12px 0; }
  .pr-tabs [role="tab"] { flex: 1; padding: 0 6px; font-size: 14px; height: 44px; }
  .pr-fields { grid-template-columns: minmax(0, 1fr); }
  .pr-tables, .pr-bulk { grid-template-columns: minmax(0, 1fr); }
  .pr-panel[data-panel="convert"], .pr-panel[data-panel="table"], .pr-panel[data-panel="bulk"] { padding: 12px; }
}
.pr-settings input.invalid { border-color: var(--danger); background: var(--danger-tint); }