/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 40px 0 28px;
  background: var(--bg-page);
}

.algo-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--sage);
  border: 1px solid var(--sage-dark);
  color: var(--sage-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.algo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sage-medium);
  flex-shrink: 0;
}

.hero-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  max-width: 620px;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}
.hero-text {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 28px;
}
.hero-text a {
  color: var(--terracotta);
}
.hero-text a:hover { text-decoration: underline; }

/* ============================================
   Конфигуратор
   ============================================ */
.configurator {
  background: var(--sage);
  border: 1px solid var(--sage-dark);
  border-radius: var(--radius-xl);
  padding: 22px 26px;
  max-width: 720px;
}
.config-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 8px;
}
.config-group label {
  display: block;
  font-size: 12px;
  color: var(--sage-deep);
  margin-bottom: 7px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.config-group select {
  width: 100%;
  font-size: 14px;
  padding: 9px 12px;
  background: #fff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
}
.config-group select:focus {
  outline: 2px solid var(--terracotta);
  outline-offset: 1px;
}

.folder-help {
  font-size: 12px;
  color: var(--sage-medium);
  margin: 8px 0 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.folder-help i { font-size: 13px; }

/* блок сводки выбранных правил */
.rules-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border: 1px solid var(--sage-dark);
  border-radius: var(--radius-md);
  padding: 10px 14px;
}
.rules-summary-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
}
.rules-summary-left i { color: var(--terracotta); font-size: 16px; }
.rules-summary-left strong { font-weight: 700; }

.rules-toggle {
  background: none;
  border: none;
  color: var(--terracotta);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 2px 6px;
  font-weight: 700;
}
.rules-toggle i { font-size: 14px; transition: transform 0.2s; }
.rules-toggle.open i { transform: rotate(180deg); }

.rules-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--sage-dark);
  border-radius: var(--radius-md);
}
.chip {
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 14px;
}
.chip-orth {
  background: var(--terracotta-light);
  color: var(--terracotta-dark);
  border: 1px solid var(--terracotta-border);
}
.chip-punct {
  background: var(--punct-blue-light);
  color: var(--punct-blue);
  border: 1px solid var(--punct-blue-border);
}

.config-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
}
.hint-text {
  font-size: 12px;
  color: var(--sage-medium);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   Разделитель и секция превью
   ============================================ */
.divider {
  border: none;
  height: 1px;
  background: var(--border-light);
  margin: 0;
}

.preview-section {
  padding: 28px 0 32px;
  background: #fff;
}
.section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

/* ============================================
   Карточка упражнения
   ============================================ */
.exercise-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  max-width: 720px;
}
.exercise-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.exercise-source {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.exercise-source em { font-style: italic; }
.exercise-instr {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.exercise-text {
  font-size: 16px;
  line-height: 2.1;
  color: var(--text-primary);
  margin-bottom: 10px;
  word-spacing: 0.2em;
}
/* строка с количеством слов под текстом упражнения */
.exercise-wordcount {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 16px;
}
.exercise-wordcount i { font-size: 14px; }
/* пропуск-орфограмма */
.gap {
  display: inline-block;
  border-bottom: 1.5px solid var(--terracotta);
  width: 12px;
  height: 0.9em;
  vertical-align: baseline;
  margin: 0 1px;
}
/* пропуск-пунктограмма */
.gap-p {
  display: inline-block;
  border-bottom: 1.5px solid var(--punct-blue);
  width: 6px;
  height: 0.9em;
  vertical-align: baseline;
  margin: 0 2px;
}

.rule-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.rule-tags .badge {
  font-size: 11px;
  padding: 3px 8px;
  font-weight: 400;
}

.exercise-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ============================================
   Статистика
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
  max-width: 720px;
}
.stat-card {
  background: var(--sage);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.stat-label {
  font-size: 12px;
  color: var(--sage-medium);
  margin-bottom: 5px;
}
.stat-val {
  font-size: 24px;
  font-weight: 700;
  color: var(--sage-deep);
}
.stat-sub {
  font-size: 12px;
  color: var(--sage-medium);
  margin-top: 2px;
}

/* ============================================
   Роудмап и тур
   ============================================ */
.roadmap {
  max-width: 720px;
  margin: 24px 0 0;
  background: var(--terracotta-light);
  border: 1px solid var(--terracotta-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.roadmap-icon { color: var(--terracotta); flex-shrink: 0; font-size: 24px; }
.roadmap-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--terracotta-dark);
  margin-bottom: 4px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.roadmap-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.tour-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 950;
}
.tour-btn {
  background: var(--sage-deep);
  color: #fff;
  border: none;
  border-radius: 22px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  cursor: pointer;
}
.tour-btn:hover { background: #2C4A2C; }

/* ============================================
   Экскурсия (собственная, без CDN)
   ============================================ */
.tour-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 990;
}
.tour-highlight {
  position: fixed;
  border: 3px solid var(--terracotta);
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  z-index: 991;
  transition: all 0.2s ease;
}
.tour-popover {
  position: fixed;
  z-index: 992;
  background: #fff;
  border-radius: 10px;
  padding: 18px 20px 14px;
  max-width: 360px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  font-size: 14px;
  line-height: 1.5;
}
.tour-popover-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.tour-popover-text {
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.tour-popover-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.tour-popover-progress {
  font-size: 12px;
  color: var(--text-tertiary);
}
.tour-popover-actions {
  display: flex;
  gap: 6px;
}
.tour-popover button {
  border: none;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.tour-popover .tour-btn-prev {
  background: var(--bg-surface);
  color: var(--text-secondary);
}
.tour-popover .tour-btn-next {
  background: var(--terracotta);
  color: #fff;
}
.tour-popover .tour-btn-close {
  background: transparent;
  color: var(--text-tertiary);
  padding: 4px 8px;
  position: absolute;
  top: 10px;
  right: 10px;
}

/* ============================================
   Модалки (общая основа)
   ============================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(45, 55, 40, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 28px;
}
.modal-backdrop[hidden] { display: none; }

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  border: 1px solid var(--border-medium);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 92vh;
}
/* модалки сделаны крупными — занимают почти всё окно,
   с небольшими отступами от краёв */
.modal-rules { max-width: 1100px; height: 92vh; }
.modal-print { max-width: 1100px; height: 92vh; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-light);
}
.modal-title {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
}
.modal-title i { color: var(--terracotta); font-size: 19px; }
.modal-close {
  background: none;
  border: none;
  padding: 4px;
  color: var(--text-secondary);
  font-size: 20px;
  border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--sage); }

.modal-body {
  padding: 18px 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-hint { font-size: 12px; color: var(--text-tertiary); }
.footer-actions { display: flex; gap: 8px; }

/* ============================================
   Модалка ПРАВИЛА
   ============================================ */
.modal-toolbar {
  padding: 14px 22px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.search-box {
  flex: 1;
  position: relative;
  min-width: 220px;
}
.search-box i {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 16px;
}
.search-box input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: #fff;
}
.search-box input:focus {
  outline: 2px solid var(--terracotta);
  outline-offset: 1px;
}
.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.toggle-only {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.btn-link {
  background: none;
  border: none;
  color: var(--terracotta);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 6px;
}
.btn-link:hover { text-decoration: underline; }

.rules-tree {
  padding: 0;
}
.tree-grade {
  border-bottom: 1px solid var(--border-light);
}
.tree-grade:last-child { border-bottom: none; }

.tree-grade-header {
  display: flex;
  align-items: center;
  padding: 12px 22px;
  background: var(--sage);
  font-weight: 700;
  font-size: 14px;
  color: var(--sage-deep);
  position: sticky;
  top: 0;
  z-index: 1;
}
.tree-grade-header input {
  margin-right: 10px;
  cursor: pointer;
}
.tree-grade-header .grade-count {
  margin-left: 8px;
  color: var(--sage-medium);
  font-weight: 400;
  font-size: 13px;
}

.tree-section {
  padding: 8px 0;
}
.tree-section-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 6px 22px;
}
.tree-section-header.orth { color: var(--terracotta); }
.tree-section-header.punct { color: var(--punct-blue); }

.tree-pos {
  padding: 4px 22px 4px 38px;
}
.tree-pos-title {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 700;
  margin: 6px 0 4px;
}

.rule-item {
  display: flex;
  align-items: center;
  padding: 6px 22px 6px 54px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.1s;
}
.rule-item:hover { background: var(--bg-surface); }
.rule-item input {
  margin-right: 10px;
  cursor: pointer;
  flex-shrink: 0;
}
.rule-item-text { flex: 1; }
.rule-item-info {
  margin-left: 8px;
  color: var(--text-tertiary);
  font-size: 12px;
}

/* ============================================
   Модалка ПЕЧАТЬ
   ============================================ */
.modal-body-print {
  display: grid;
  grid-template-columns: 280px 1fr;
  padding: 0;
}
.print-controls {
  padding: 20px 22px;
  border-right: 1px solid var(--border-light);
  background: var(--sage);
  overflow-y: auto;
}
.control-group { margin-bottom: 18px; }
.control-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--sage-deep);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 7px;
}
/* подсказка про редактирование текста */
.control-hint {
  font-size: 12px;
  color: var(--sage-medium);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--sage-dark);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
}
.control-hint i { font-size: 14px; flex-shrink: 0; margin-top: 1px; color: var(--terracotta); }
.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.slider-row input[type=range] { flex: 1; accent-color: var(--terracotta); }
.slider-val {
  font-size: 13px;
  font-weight: 700;
  min-width: 44px;
  text-align: right;
  color: var(--sage-deep);
}

.seg {
  display: flex;
  background: #fff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 3px;
}
.seg button {
  flex: 1;
  background: transparent;
  border: none;
  padding: 7px 4px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: 5px;
}
.seg button.active {
  background: var(--terracotta);
  color: #fff;
  font-weight: 700;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  margin-bottom: 9px;
}
.check-row input[type=checkbox] {
  margin: 0;
  accent-color: var(--terracotta);
}
.num-row {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--text-primary);
  margin-top: 6px;
  padding-left: 24px;
}
.num-row label { color: var(--text-secondary); }
.num-row input[type=text] {
  width: 90px;
  padding: 5px 9px;
  font-size: 13px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: #fff;
}
.num-row input[type=text]:disabled { background: #f5f5f5; color: #aaa; }

.preview-pane {
  padding: 22px;
  background: #E8EAE5;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-y: auto;
}
.preview-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.page-a4 {
  background: #fff;
  width: 360px;
  height: 509px; /* 360 * 1.414 */
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
  padding: 16px;
  color: #222;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  position: relative;
}
.page-ex {
  border-bottom: 1px dashed #ccc;
  padding-bottom: 7px;
}
.page-ex:last-child { border-bottom: none; }
.page-num { color: #555; font-weight: 700; margin-bottom: 3px; }
.page-source { font-style: italic; color: #555; margin-bottom: 3px; }
.page-instr { color: #444; margin-bottom: 3px; }
.page-text { word-spacing: 0.2em; }
/* редактируемое поле текста в предпросмотре печати */
.page-text[contenteditable] {
  outline: none;
  border-radius: 3px;
  transition: background 0.12s;
}
.page-text[contenteditable]:hover { background: #FBF6E8; }
.page-text[contenteditable]:focus {
  background: #FBF6E8;
  box-shadow: 0 0 0 1px var(--terracotta);
}
.page-text .gap {
  display: inline-block;
  border-bottom: 1px solid var(--terracotta);
  width: 7px; height: 0.9em;
  vertical-align: baseline;
  margin: 0 0.5px;
}
.page-text .gap-p {
  display: inline-block;
  border-bottom: 1px solid var(--punct-blue);
  width: 4px; height: 0.9em;
  vertical-align: baseline;
  margin: 0 1px;
}
.overflow-warn {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--terracotta-light);
  border-top: 1px solid var(--terracotta-border);
  padding: 4px 8px;
  font-size: 8px;
  color: var(--terracotta-dark);
  display: flex;
  align-items: center;
  gap: 4px;
}

.preview-meta {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.preview-meta i { margin-right: 4px; }

@media (max-width: 768px) {
  .config-row { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .hero-title { font-size: 24px; }
  .modal-rules, .modal-print { height: auto; }
  .modal-body-print { grid-template-columns: 1fr; }
  .print-controls { border-right: none; border-bottom: 1px solid var(--border-light); }
}