/* ═══════════════════════════════════════════════════════════════════
   REGEXHELPER - TESTER.CSS
   Панель «Тестер» — проверка regex на тестовой строке (Python emulated)
   ═══════════════════════════════════════════════════════════════════ */

#tester.tester-section {
  scroll-margin-top: 80px;
}

.tester-section {
  margin-top: var(--spacing-l);
  padding: 0 48px var(--spacing-xl);
}

.tester-container {
  max-width: 100%;
  margin: 0 auto;
}

.tester-panel {
  border-top: 3px solid var(--color-primary);
  overflow: visible;
}

.tester-panel-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-m);
}

.tester-panel-header .tester-header-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-m);
  margin-bottom: var(--spacing-xs);
}

.tester-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tester-flavor {
  font-size: 11px;
  color: var(--color-text-tertiary);
}

.tester-panel-header .btn-header-clear {
  margin-left: auto;
}

.tester-lowercase-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  white-space: nowrap;
}

.tester-lowercase-btn-on {
  border-color: var(--color-success);
  border-width: 2px;
  color: var(--color-success);
}

.tester-lowercase-btn-on:hover {
  border-color: var(--color-success);
  color: var(--color-success);
}

.tester-flags-dropdown-wrap {
  position: relative;
}

.tester-flags-toggle {
  font-size: 13px;
  padding: 6px 12px;
}

.tester-flags-hint {
  margin: 0 0 8px 0;
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--color-text-tertiary);
  background: var(--color-bg-card, rgba(0,0,0,0.2));
  border-radius: 4px;
}
.tester-flags-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-m);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
  z-index: var(--z-dropdown);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
  min-width: 280px;
}

.tester-flags-dropdown[hidden] {
  display: none !important;
}

.tester-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.tester-regex-row,
.tester-test-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Блок regex + правая панель параметров (как в ручном редакторе) */
.tester-regex-and-panel {
  display: flex;
  align-items: stretch;
  gap: var(--spacing-l);
}

.tester-regex-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-m);
}

/* TRUE/FALSE растягиваются по высоте колонки, чтобы совпадать с правой панелью */
.tester-regex-main .tester-regex-row {
  flex: 1 1 0;
}

.tester-regex-main .tester-regex-wrap {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.tester-regex-main .tester-regex-wrap .tester-regex-input {
  flex: 1 1 auto;
}

.tester-editor-panel {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

.tester-editor-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tester-editor-header .editor-invert-selection-btn {
  align-self: flex-start;
}

.tester-editor-params {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

@media (max-width: 900px) {
  .tester-regex-and-panel {
    flex-direction: column;
  }

  .tester-editor-panel {
    flex: 0 0 auto;
  }
}

.tester-regex-input {
  width: 100%;
  min-height: 0;
  max-height: 400px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.5;
  padding: 10px 14px;
  resize: vertical;
  overflow: auto;
  background: var(--color-bg-input);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-small);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-sizing: border-box;
  vertical-align: top;
}

.tester-regex-input::placeholder {
  color: var(--color-text-tertiary);
}

.tester-regex-input:hover {
  border-color: var(--color-border-hover);
}

.tester-regex-input:focus {
  outline: none;
  border-color: var(--color-border-active);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2);
}

.tester-regex-wrap.tester-has-error .tester-regex-input {
  border-color: var(--color-error);
}
.tester-regex-wrap.tester-has-error .tester-regex-input:focus {
  box-shadow: 0 0 0 2px rgba(var(--color-error-rgb, 220, 53, 69), 0.25);
}

/* Overlay: подсветка места ошибки в поле regex */
.tester-regex-overlay-wrap {
  position: relative;
}

.tester-regex-highlight-layer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow: auto;
  pointer-events: none;
  z-index: 0;
  background: var(--color-bg-input);
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  color: var(--color-text-primary);
  box-sizing: border-box;
}

.tester-regex-input-overlay {
  position: relative;
  z-index: 1;
  background: transparent !important;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: var(--color-text-primary);
}

.tester-regex-input-overlay::placeholder {
  color: var(--color-text-tertiary);
  -webkit-text-fill-color: initial;
}

.tester-regex-err-pos {
  color: var(--color-error);
  background: rgba(var(--color-error-rgb, 220, 53, 69), 0.12);
}

.tester-regex-error {
  font-size: 13px;
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}
.tester-regex-error[hidden] {
  display: none !important;
}

.tester-flag {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}

.tester-flag input {
  flex-shrink: 0;
}

.tester-flag-name {
  color: var(--color-success);
  font-weight: 500;
  min-width: 5.5em;
}

.tester-flag-desc {
  color: var(--color-text-tertiary);
  font-size: 12px;
}

.tester-textarea {
  width: 100%;
  min-height: 480px;
  max-height: 1200px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.5;
  padding: 12px 14px;
  resize: vertical;
  overflow-y: scroll;
  overflow-x: hidden;
  background: var(--color-bg-input);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-small);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  overflow-wrap: break-word;
  word-break: break-word;
  box-sizing: border-box;
}

.tester-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.tester-textarea:hover {
  border-color: var(--color-border-hover);
}

.tester-textarea:focus {
  outline: none;
  border-color: var(--color-border-active);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2);
}

/* Overlay: подсветка прямо в поле Test String (как regex101) */
.tester-test-overlay-wrap {
  position: relative;
  box-sizing: border-box;
  min-height: 480px;
  flex-shrink: 0;
  overflow: hidden;
}

.tester-highlight-layer {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  padding: 12px 14px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  background: var(--color-bg-input);
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  color: var(--color-text-primary);
  box-sizing: border-box;
}

.tester-textarea-overlay {
  position: relative;
  z-index: 1;
  background: transparent !important;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: var(--color-text-primary);
}

.tester-textarea-overlay::placeholder {
  color: var(--color-text-tertiary);
  -webkit-text-fill-color: initial;
}

/* Loading */
.tester-loading {
  display: flex;
  align-items: center;
  gap: var(--spacing-s);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.tester-loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: tester-spin 0.7s linear infinite;
}

@keyframes tester-spin {
  to { transform: rotate(360deg); }
}

.tester-loading[hidden] {
  display: none !important;
}

/* Error */
.tester-error {
  font-size: 13px;
  color: var(--color-error);
  padding: var(--spacing-s) 0;
}

.tester-error[hidden] {
  display: none !important;
}

/* Match Information */
.tester-match-info-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tester-match-info-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-s);
}

.tester-selection-stats {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.tester-selection-stats[hidden] {
  display: none !important;
}

.tester-flags-used {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}
.tester-flags-used code {
  font-family: var(--font-mono);
  font-size: 12px;
}
.tester-match-info {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: var(--spacing-s);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-small);
  white-space: pre-wrap;
  word-break: break-word;
}

.tester-match-info .tester-match-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--spacing-s);
  margin-bottom: var(--spacing-xs);
}

.tester-match-info .tester-match-row:last-child {
  margin-bottom: 0;
}

.tester-match-info .tester-match-title {
  font-weight: 600;
  color: var(--color-primary);
  flex-shrink: 0;
}

.tester-match-info .tester-match-range {
  color: var(--color-text-tertiary);
  font-size: 12px;
  flex-shrink: 0;
}

.tester-match-info .tester-match-text {
  color: var(--color-text-primary);
  word-break: break-word;
}

.tester-match-info .tester-match-group-row {
  margin-left: 1.2em;
}

.tester-match-info .tester-match-group-title {
  font-weight: 500;
  font-size: 12px;
}

/* Highlight spans — цвета в стиле сайта (full match, group 1, 2, 3...) */
.tester-hl-full {
  background: rgba(var(--color-primary-rgb), 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g1 {
  background: rgba(52, 211, 153, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g2 {
  background: rgba(251, 191, 36, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g3 {
  background: rgba(167, 139, 250, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g4 {
  background: rgba(251, 146, 60, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g5 {
  background: rgba(96, 165, 250, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g6 {
  background: rgba(244, 114, 182, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g7 {
  background: rgba(34, 211, 238, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g8 {
  background: rgba(190, 242, 100, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

.tester-hl-g9 {
  background: rgba(251, 113, 133, 0.35);
  padding: 1px 0;
  border-radius: 2px;
}

/* Группы 10–60: запас 50+ разных цветов (HSL hue шаг ~7°) */
.tester-hl-g10 { background: hsla(0, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g11 { background: hsla(7, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g12 { background: hsla(14, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g13 { background: hsla(21, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g14 { background: hsla(28, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g15 { background: hsla(35, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g16 { background: hsla(42, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g17 { background: hsla(49, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g18 { background: hsla(56, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g19 { background: hsla(63, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g20 { background: hsla(70, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g21 { background: hsla(77, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g22 { background: hsla(84, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g23 { background: hsla(91, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g24 { background: hsla(98, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g25 { background: hsla(105, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g26 { background: hsla(112, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g27 { background: hsla(119, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g28 { background: hsla(126, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g29 { background: hsla(133, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g30 { background: hsla(140, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g31 { background: hsla(147, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g32 { background: hsla(154, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g33 { background: hsla(161, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g34 { background: hsla(168, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g35 { background: hsla(175, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g36 { background: hsla(182, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g37 { background: hsla(189, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g38 { background: hsla(196, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g39 { background: hsla(203, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g40 { background: hsla(210, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g41 { background: hsla(217, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g42 { background: hsla(224, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g43 { background: hsla(231, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g44 { background: hsla(238, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g45 { background: hsla(245, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g46 { background: hsla(252, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g47 { background: hsla(259, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g48 { background: hsla(266, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g49 { background: hsla(273, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g50 { background: hsla(280, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g51 { background: hsla(287, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g52 { background: hsla(294, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g53 { background: hsla(301, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g54 { background: hsla(308, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g55 { background: hsla(315, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g56 { background: hsla(322, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g57 { background: hsla(329, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g58 { background: hsla(336, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g59 { background: hsla(343, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }
.tester-hl-g60 { background: hsla(350, 60%, 55%, 0.35); padding: 1px 0; border-radius: 2px; }