/* ===== Стили страницы генератора ===== */

/* ---------- Макет: две колонки ---------- */
.generator-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 0;
  min-height: calc(100vh - var(--header-height));
  margin-top: var(--header-height);
}

/* ---------- Панель настроек (левая колонка) ---------- */
.generator-settings {
  background: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  max-height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  padding: 24px 20px;
}

.generator-settings__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

/* ---------- Секции формы ---------- */
.form-section {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.form-section__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section__title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 16px;
  border-radius: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Группа поля ---------- */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-group .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 60px;
}

/* Ошибка валидации */
.field-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.form-error {
  display: none;
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 4px;
}

/* ---------- Выбор цветовой схемы ---------- */
.color-schemes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.color-scheme {
  position: relative;
  cursor: pointer;
}

.color-scheme input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.color-scheme__preview {
  display: block;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 6px;
  transition: border-color 0.2s;
}

.color-scheme input:checked + .color-scheme__preview {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.color-scheme__swatches {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.color-scheme__swatch {
  width: 100%;
  height: 16px;
  border-radius: 3px;
}

.color-scheme__name {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  text-align: center;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Выбор шрифта ---------- */
.font-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.font-option {
  position: relative;
  cursor: pointer;
}

.font-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.font-option__label {
  display: block;
  padding: 10px 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color 0.2s;
}

.font-option input:checked + .font-option__label {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.font-option__label small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* ---------- Выбор шаблона ---------- */
.layout-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.layout-option {
  position: relative;
  cursor: pointer;
}

.layout-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.layout-option__label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: border-color 0.2s;
}

.layout-option input:checked + .layout-option__label {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.layout-option__icon {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  display: flex;
  gap: 3px;
  padding: 4px;
  background: var(--color-bg);
  flex-shrink: 0;
}

.layout-option__icon span {
  flex: 1;
  border-radius: 2px;
}

.layout-option__text {
  font-size: 0.9rem;
  color: var(--color-text);
}

.layout-option__text small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ---------- Тема (светлая/тёмная) ---------- */
.theme-override {
  display: flex;
  gap: 8px;
}

.theme-override-btn {
  flex: 1;
  padding: 10px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.theme-override-btn:hover {
  border-color: var(--color-accent);
}

.theme-override-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

/* ---------- Чекбоксы секций ---------- */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-group__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.checkbox-group__item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group__item-text {
  font-size: 0.9rem;
  color: var(--color-text);
}

.checkbox-group__item-desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

/* ---------- Подполя (карточки преимуществ, отзывы) ---------- */
.sub-fields {
  margin-top: 12px;
  padding: 12px;
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.sub-field-group {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
}

.sub-field-group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sub-field-group__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.sub-field {
  margin-bottom: 8px;
}

.sub-field label {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 3px;
}

.sub-field .form-input,
.sub-field .form-textarea,
.sub-field .form-select {
  padding: 8px 10px;
  font-size: 0.85rem;
}

.sub-field:last-child {
  margin-bottom: 0;
}

/* ---------- Область предпросмотра (правая колонка) ---------- */
.generator-preview {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Панель инструментов предпросмотра */
.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  flex-wrap: wrap;
  gap: 10px;
}

.preview-toolbar__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-action {
  padding: 8px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-action:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-action--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-action--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.btn-action--success {
  background: #059669;
  color: #fff;
  border-color: #059669;
}

.btn-action--success:hover {
  background: #047857;
  border-color: #047857;
  color: #fff;
}

/* Переключатели размера */
.preview-size-switcher {
  display: flex;
  gap: 4px;
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  padding: 3px;
  border: 1px solid var(--color-border);
}

.preview-size-btn {
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 500;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.preview-size-btn:hover {
  color: var(--color-text);
}

.preview-size-btn.active {
  background: var(--color-accent);
  color: #fff;
}

/* Контейнер iframe */
.preview-container {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
  background: var(--color-bg);
  overflow: auto;
  min-height: 500px;
}

.preview-frame {
  width: 100%;
  max-width: 1200px;
  height: 600px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: #fff;
  transition: max-width 0.3s;
}

.preview-frame.size-desktop {
  max-width: 1200px;
}

.preview-frame.size-tablet {
  max-width: 768px;
}

.preview-frame.size-phone {
  max-width: 375px;
}

/* Плейсхолдер предпросмотра */
.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 600px;
  width: 100%;
  max-width: 1200px;
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  text-align: center;
  padding: 40px;
}

.preview-placeholder__icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.preview-placeholder__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.preview-placeholder__text {
  font-size: 0.9rem;
  max-width: 400px;
}

/* ---------- Панель кода (сворачиваемая) ---------- */
.code-panel {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.code-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  cursor: pointer;
  user-select: none;
}

.code-panel__header:hover {
  background: var(--color-bg);
}

.code-panel__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.code-panel__toggle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  transition: transform 0.3s;
}

.code-panel__toggle.open {
  transform: rotate(180deg);
}

.code-panel__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.code-panel__body.open {
  max-height: 600px;
}

.code-panel__textarea {
  width: 100%;
  height: 300px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  border: none;
  border-top: 1px solid var(--color-border);
  background: #1e293b;
  color: #e2e8f0;
  resize: vertical;
  outline: none;
  tab-size: 2;
}

/* Подсветка синтаксиса HTML — блок кода */
.code-panel__display {
  width: 100%;
  max-height: 400px;
  padding: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  border: none;
  border-top: 1px solid var(--color-border);
  background: #1e293b;
  color: #e2e8f0;
  overflow: auto;
  tab-size: 2;
  white-space: pre;
  word-wrap: normal;
}

.code-panel__display code {
  font-family: inherit;
}

/* Цвета подсветки синтаксиса HTML */
.hl-tag    { color: #F472B6; }  /* розовый — теги */
.hl-attr   { color: #93C5FD; }  /* голубой — атрибуты */
.hl-string { color: #A7F3D0; }  /* зелёный — строки */
.hl-comment { color: #6B7280; font-style: italic; } /* серый — комментарии */
.hl-doctype { color: #FBBF24; }  /* жёлтый — DOCTYPE */

.code-panel__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ---------- Модальное окно для пресетов ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.modal__actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

.btn-modal {
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all 0.2s;
}

.btn-modal--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-modal--primary:hover {
  background: var(--color-accent-hover);
}

.btn-modal:hover {
  border-color: var(--color-accent);
}

/* Список пресетов в модалке */
.preset-list {
  max-height: 250px;
  overflow-y: auto;
}

.preset-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}

.preset-list__item:hover {
  background: var(--color-bg);
}

.preset-list__item-name {
  font-size: 0.9rem;
  color: var(--color-text);
}

.preset-list__item-delete {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.preset-list__item-delete:hover {
  opacity: 1;
}

.preset-list__empty {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 20px;
}

/* ---------- Уведомления (toast) ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast--success {
  background: #059669;
}

.toast--error {
  background: #dc2626;
}

/* ===== Мобильные вкладки (слайдер-переключение) ===== */
.mobile-tabs {
  display: none;
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.mobile-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.mobile-tab:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

.mobile-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ===== Адаптив для генератора ===== */
/* Mobile (< 375px) */
@media (max-width: 374px) {
  .generator-settings {
    padding: 16px 12px;
  }

  .color-schemes {
    grid-template-columns: repeat(2, 1fr);
  }

  .preview-container {
    padding: 8px;
    min-height: 350px;
  }

  .preview-frame {
    height: 400px;
  }

  .preview-toolbar__actions {
    justify-content: center;
  }

  .preview-size-switcher {
    justify-content: center;
  }
}

/* Mobile (375px–767px) */
@media (max-width: 767px) {
  .generator-layout {
    grid-template-columns: 1fr;
  }

  .mobile-tabs {
    display: flex;
  }

  .generator-settings,
  .generator-preview {
    display: none;
  }

  .generator-settings.mobile-visible,
  .generator-preview.mobile-visible {
    display: block;
  }

  .generator-settings {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .generator-preview {
    display: none;
    min-height: calc(100vh - var(--header-height) - 52px);
  }

  .generator-preview.mobile-visible {
    display: flex;
    flex-direction: column;
  }

  .preview-container {
    padding: 12px;
    min-height: 400px;
    flex: 1;
  }

  .preview-frame {
    height: 450px;
  }

  .preview-frame.size-desktop,
  .preview-frame.size-tablet,
  .preview-frame.size-phone {
    max-width: 100%;
  }

  .preview-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .preview-toolbar__actions {
    justify-content: center;
  }

  .preview-size-switcher {
    justify-content: center;
  }

  .color-schemes {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet (768px–1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
  .generator-layout {
    grid-template-columns: 320px 1fr;
  }

  .color-schemes {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop (>= 1200px) */
@media (min-width: 1200px) {
  .generator-layout {
    grid-template-columns: 380px 1fr;
  }
}