/* ============================================================================
 * Грид · Модальное окно Высших Законов Державы (Laws Modal CSS)
 * WCAG 2.2 AAA · Dark / Light Themes · Responsive Bottom Sheet <=600px
 * Статья XIX Закона Модульности (< 800 строк)
 * ============================================================================ */

/* ---------- 1. Подложка (Backdrop) ---------- */
.rules-modal-backdrop,
#rulesModalBackdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-backdrop);
  background: var(--canvas-alpha-80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-smooth) var(--ease-spring);
  overscroll-behavior: contain;
}

.rules-modal-backdrop.open,
.rules-modal-backdrop.active,
#rulesModalBackdrop.open,
#rulesModalBackdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- 2. Карточка модального окна ---------- */
.rules-modal-card,
#rulesModalBackdrop .modal-card {
  background: var(--card);
  border: 1px solid var(--violet-alpha-40);
  border-radius: var(--r-xl);
  box-shadow: 0 24px 64px var(--black-alpha-80), 0 0 45px var(--violet-alpha-20);
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transform: scale(0.96) translateY(12px);
  opacity: 0;
  transition: transform var(--dur-smooth) var(--ease-spring), opacity var(--dur-smooth) ease-out;
}

.rules-modal-backdrop.open .rules-modal-card,
.rules-modal-backdrop.open .modal-card,
.rules-modal-backdrop.active .rules-modal-card,
.rules-modal-backdrop.active .modal-card,
#rulesModalBackdrop.open .modal-card,
#rulesModalBackdrop.active .modal-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ---------- 3. Шапка окна ---------- */
.rules-modal-head,
#rulesModalBackdrop .modal-h {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  background: var(--card2);
  flex-shrink: 0;
}

.rules-modal-title-group {
  display: flex;
  align-items: center;
  gap: var(--sp-2-5);
  min-width: 0;
}

.rules-modal-icon-badge {
  width: 34px;
  height: 34px;
  border-radius: var(--r-md);
  background: var(--violet-alpha-20);
  border: 1px solid var(--violet-alpha-40);
  display: grid;
  place-items: center;
  color: var(--violet);
  flex-shrink: 0;
}

.rules-modal-title-text h2,
#rulesModalBackdrop .modal-h h2 {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--tx);
  line-height: 1.3;
}

.rules-modal-title-text .rules-modal-sub {
  font-size: var(--fs-xs);
  color: var(--tx3);
  margin-top: var(--sp-0-5);
}

.rules-modal-head-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

/* ---------- 4. Тело модального окна ---------- */
.rules-modal-body,
#rulesModalBackdrop .modal-body {
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  overscroll-behavior: contain;
}

.rules-modal-body::-webkit-scrollbar {
  width: 6px;
}
.rules-modal-body::-webkit-scrollbar-track {
  background: var(--slate-900-alpha-60);
  border-radius: var(--r-md);
}
.rules-modal-body::-webkit-scrollbar-thumb {
  background: var(--violet-alpha-40);
  border-radius: var(--r-md);
}
.rules-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--violet-alpha-70);
}

/* ---------- 5. Карточки законов (Rule Items) ---------- */
.rule-item-card,
.rule-item {
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-3-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1-5);
  position: relative;
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal), transform var(--dur-normal);
}

.rule-item-card:hover,
.rule-item:hover {
  border-color: var(--violet-alpha-50);
  box-shadow: 0 4px 16px var(--black-alpha-40);
}

.rule-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}

.rule-item-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
  flex: 1;
}

.rule-num-pill {
  font-size: var(--fs-2xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--violet);
  background: var(--violet-alpha-20);
  border: 1px solid var(--violet-alpha-40);
  padding: var(--sp-0-5) var(--sp-2);
  border-radius: var(--r-full);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

.rule-title,
.rule-item-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--tx);
  line-height: 1.35;
  margin: 0;
}

.rule-desc,
.rule-item-desc {
  font-size: var(--fs-xs);
  color: var(--tx2);
  line-height: 1.5;
  margin: 0;
}

.rule-item-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1-5);
  flex-shrink: 0;
}

/* ---------- 6. Форма редактирования закона (Edit Mode) ---------- */
.rule-edit-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: 100%;
}

.rule-input-label {
  font-size: var(--fs-2xs);
  color: var(--tx3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rule-input-field {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: var(--sp-2) var(--sp-2-5);
  color: var(--tx);
  font-family: inherit;
  font-size: var(--fs-sm);
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal);
}

.rule-input-field:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 2px var(--violet-alpha-20);
}

.rule-textarea-field {
  min-height: 70px;
  resize: vertical;
  line-height: 1.45;
}

.rule-empty-prompt {
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
  color: var(--tx3);
  font-size: var(--fs-sm);
}

/* ---------- 7. Подвал модального окна ---------- */
.rules-modal-foot {
  padding: var(--sp-3-5) var(--sp-5);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  background: var(--card2);
  flex-shrink: 0;
}

.rules-modal-foot-left {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.rules-modal-foot-right {
  display: flex;
  align-items: center;
  gap: var(--sp-2-5);
}

/* ---------- 8. Мобильная адаптация (Bottom Sheet <= 600px) ---------- */
@media (max-width: 600px) {
  .rules-modal-backdrop,
  #rulesModalBackdrop {
    align-items: flex-end;
    padding: 0;
  }

  .rules-modal-card,
  #rulesModalBackdrop .modal-card {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    max-height: 92vh;
    padding-bottom: max(var(--sp-4), env(safe-area-inset-bottom, 16px));
    transform: translateY(100%);
  }

  .rules-modal-backdrop.open .rules-modal-card,
  .rules-modal-backdrop.open .modal-card,
  .rules-modal-backdrop.active .rules-modal-card,
  .rules-modal-backdrop.active .modal-card,
  #rulesModalBackdrop.open .modal-card,
  #rulesModalBackdrop.active .modal-card {
    transform: translateY(0);
  }

  .rules-modal-head,
  #rulesModalBackdrop .modal-h {
    padding: var(--sp-3) var(--sp-4);
  }

  .rules-modal-body,
  #rulesModalBackdrop .modal-body {
    padding: var(--sp-3) var(--sp-4);
  }

  .rules-modal-foot {
    flex-direction: column;
    align-items: stretch;
    padding: var(--sp-3) var(--sp-4);
    gap: var(--sp-2);
  }

  .rules-modal-foot-left,
  .rules-modal-foot-right {
    width: 100%;
    justify-content: stretch;
  }

  .rules-modal-foot-left .btn,
  .rules-modal-foot-right .btn {
    flex: 1;
    justify-content: center;
  }
}

/* ---------- 9. Светлая тема (Light Theme WCAG 2.2 AAA) ---------- */
html.light-theme .rules-modal-backdrop,
[data-theme="light"] .rules-modal-backdrop,
html.light-theme #rulesModalBackdrop,
[data-theme="light"] #rulesModalBackdrop {
  background: var(--slate-900-alpha-40);
}

html.light-theme .rules-modal-card,
[data-theme="light"] .rules-modal-card,
html.light-theme #rulesModalBackdrop .modal-card,
[data-theme="light"] #rulesModalBackdrop .modal-card {
  background: var(--card);
  border-color: var(--line);
  box-shadow: var(--shadow-modal);
}

html.light-theme .rules-modal-head,
[data-theme="light"] .rules-modal-head,
html.light-theme #rulesModalBackdrop .modal-h,
[data-theme="light"] #rulesModalBackdrop .modal-h,
html.light-theme .rules-modal-foot,
[data-theme="light"] .rules-modal-foot {
  background: var(--card2);
  border-color: var(--line);
}

html.light-theme .rule-item-card,
html.light-theme .rule-item,
[data-theme="light"] .rule-item-card,
[data-theme="light"] .rule-item {
  background: var(--card);
  border-color: var(--line);
}

html.light-theme .rule-input-field,
[data-theme="light"] .rule-input-field {
  background: var(--bg);
  border-color: var(--line);
  color: var(--tx);
}