/* ===== 个人版首页 ===== */
.home-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.home-view[hidden] {
  display: none !important;
}

.home-panel.is-personal-mode {
  background: var(--surface-page, #f4f5f7);
}

.ios-screen.is-personal-mode .student-drawer {
  pointer-events: none;
}

/* 顶栏 */
.home-personal-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 52px;
  padding: 4px 12px 8px;
  background: linear-gradient(180deg, rgba(220, 230, 255, 0.95) 0%, rgba(238, 242, 255, 0.5) 100%);
  border-bottom: 1px solid rgba(91, 122, 232, 0.08);
}

.home-child-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  max-width: 42%;
  flex-shrink: 0;
  padding: 4px 6px 4px 4px;
  border: none;
  background: none;
  text-align: left;
  border-radius: 12px;
  transition: background 0.18s ease, transform 0.18s ease;
}

.home-child-switcher:active {
  background: rgba(255, 255, 255, 0.55);
  transform: scale(0.98);
}

.home-child-switcher__avatar {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 3px 12px rgba(91, 122, 232, 0.1);
}

.home-child-switcher__avatar svg {
  display: block;
  width: 100%;
  height: 100%;
}

.home-child-switcher__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.home-child-switcher__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.home-child-switcher__grade {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.home-child-switcher__chevron {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.home-personal-bar__actions {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.home-header-search {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.home-header-search:focus-within {
  border-color: rgba(91, 122, 232, 0.28);
  box-shadow: 0 4px 14px rgba(91, 122, 232, 0.12);
}

.home-header-search__icon {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.home-header-search__input {
  flex: 1;
  min-width: 0;
  border: none;
  background: none;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
}

.home-header-search__input::placeholder {
  color: var(--text-muted);
}

.home-header-search__input::-webkit-search-cancel-button {
  display: none;
}

.home-personal-content {
  background: transparent;
}

.home-personal-shell {
  padding-top: 12px;
}

/* 三大入口 */
.home-feature-entries {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
  height: 132px;
  margin-bottom: 16px;
}

.home-feature-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.home-feature-entry:active {
  transform: scale(0.98);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.home-feature-entry--primary {
  grid-row: 1 / span 2;
  background: linear-gradient(145deg, #eef2ff 0%, #e0e7ff 100%);
  border-color: rgba(91, 122, 232, 0.18);
}

.home-feature-entry--primary .home-feature-entry__icon {
  width: 52px;
  height: 52px;
  font-size: 24px;
  background: var(--tint-blue);
  color: var(--brand);
}

.home-feature-entry--secondary {
  flex-direction: row;
  justify-content: flex-start;
  gap: 10px;
  padding: 12px 14px;
}

.home-feature-entry--secondary .home-feature-entry__label {
  font-size: 14px;
}

.home-feature-entry__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-size: 20px;
  background: var(--tint-blue);
  color: var(--brand);
}

.home-feature-entry__icon--small {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  font-size: 16px;
  flex-shrink: 0;
}

.home-feature-entry--secondary:nth-child(2) .home-feature-entry__icon {
  background: var(--tint-violet);
  color: var(--color-premium);
}

.home-feature-entry--secondary:nth-child(3) .home-feature-entry__icon {
  background: var(--tint-amber);
  color: var(--color-warning);
}

.home-feature-entry__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* 书名搜索结果 */
.home-book-search__results {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  border-radius: var(--radius-card-lg);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.home-book-search__results[hidden] {
  display: none !important;
}

.home-book-result {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: none;
  background: none;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.15s ease;
}

.home-book-result:last-child {
  border-bottom: none;
}

.home-book-result:active {
  background: rgba(91, 122, 232, 0.06);
}

.home-book-result__cover {
  flex-shrink: 0;
  width: 36px;
  height: 48px;
  border-radius: 6px;
  background: linear-gradient(145deg, #eef2ff, #dbeafe);
  border: 1px solid rgba(91, 122, 232, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 14px;
}

.home-book-result__info {
  flex: 1;
  min-width: 0;
}

.home-book-result__title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.home-book-result__meta {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-secondary);
}

.home-book-result--empty {
  display: block;
  padding: 16px 14px;
  cursor: default;
}

.home-book-result--empty:active {
  background: none;
}

/* 工具入口 */
.home-tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.home-tool-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: none;
  background: none;
  transition: transform 0.18s ease;
}

.home-tool-item:active {
  transform: scale(0.96);
}

.home-tool-item__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.home-tool-item__icon--amber { background: var(--tint-amber); color: var(--color-warning); }
.home-tool-item__icon--blue { background: var(--tint-blue); color: var(--brand); }
.home-tool-item__icon--violet { background: var(--tint-violet); color: var(--color-premium); }
.home-tool-item__icon--green { background: var(--tint-green); color: var(--color-success); }

.home-tool-item__label {
  font-size: var(--font-size-caption);
  color: var(--text-secondary);
  line-height: 1.3;
  text-align: center;
}

/* 科目作业本 · 书架 */
.home-subject-books__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.home-subject-books__shelf {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px 12px;
  margin: 0 8px;
  border-radius: 4px;
  background: linear-gradient(
    180deg,
    rgba(26, 36, 56, 0.035) 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(26, 36, 56, 0.02) 100%
  );
  box-shadow:
    inset 0 10px 18px rgba(26, 36, 56, 0.07),
    inset 0 -1px 0 rgba(255, 255, 255, 0.35),
    inset 8px 0 14px -10px rgba(26, 36, 56, 0.05),
    inset -8px 0 14px -10px rgba(26, 36, 56, 0.05);
}

.home-subject-books__plank {
  height: 10px;
  margin: 2px 4px 0;
  border-radius: 1px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.65) 0%,
    rgba(232, 214, 188, 0.38) 45%,
    rgba(196, 170, 136, 0.3) 100%
  );
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 4px 10px rgba(26, 36, 56, 0.1),
    0 1px 0 rgba(160, 140, 110, 0.14);
}

.home-subject-books__row {
  display: flex;
  flex-direction: column;
  gap: 0;
  mask-image: linear-gradient(90deg, transparent 0, #000 14px, #000 calc(100% - 14px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 14px, #000 calc(100% - 14px), transparent 100%);
}

.home-subject-books__books {
  display: flex;
  flex-wrap: nowrap;
  align-items: end;
  gap: 12px;
  min-height: 84px;
  padding: 0 16px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  perspective: 720px;
}

.home-subject-books__books::-webkit-scrollbar {
  display: none;
}

.home-subject-book {
  position: relative;
  flex: 0 0 auto;
  width: 56px;
  height: 80px;
  max-width: 56px;
  min-width: 56px;
  display: block;
  padding: 0;
  border: none;
  border-radius: 3px 4px 1px 1px;
  font-family: inherit;
  cursor: pointer;
  overflow: visible;
  scroll-snap-align: start;
  background: transparent;
  transform-style: preserve-3d;
  -webkit-tap-highlight-color: transparent;
}

.home-subject-book__slot {
  position: absolute;
  inset: 0;
  border-radius: 3px 4px 1px 1px;
  background:
    linear-gradient(90deg, rgba(26, 36, 56, 0.1) 0%, rgba(26, 36, 56, 0.03) 18%, rgba(26, 36, 56, 0.06) 100%),
    linear-gradient(180deg, #f2ebe1 0%, #e4d8c8 100%);
  box-shadow:
    inset 3px 0 8px rgba(26, 36, 56, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.home-subject-book__door {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 4px;
  border-radius: 3px 4px 1px 1px;
  transform-origin: left center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform;
  box-shadow:
    1px 0 0 rgba(255, 255, 255, 0.18) inset,
    -2px 0 6px rgba(0, 0, 0, 0.06),
    0 2px 8px rgba(0, 0, 0, 0.08);
}

.home-subject-book__door::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.14);
  pointer-events: none;
  z-index: 2;
}

.home-subject-book__door::after {
  content: "";
  position: absolute;
  inset: 8px 5px auto;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
  z-index: 2;
}

.home-subject-book__edge {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  border-radius: 2px 0 0 1px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.28), rgba(255, 255, 255, 0.08));
  transform: translateZ(1px);
  opacity: 0.55;
  pointer-events: none;
}

.home-subject-book__name {
  position: relative;
  z-index: 1;
  writing-mode: vertical-rl;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.12);
}

.home-subject-books__books.is-opening {
  overflow: visible;
}

.home-subject-books__row.is-opening {
  mask-image: none;
  -webkit-mask-image: none;
}

.home-subject-book.is-flipping {
  z-index: 6;
}

.home-subject-book.is-flipping .home-subject-book__door {
  box-shadow:
    1px 0 0 rgba(255, 255, 255, 0.18) inset,
    -6px 4px 18px rgba(26, 36, 56, 0.14),
    0 8px 20px rgba(26, 36, 56, 0.1);
}

.home-subject-book:active:not(.is-flipping):not(.is-hovering) .home-subject-book__door {
  box-shadow:
    1px 0 0 rgba(255, 255, 255, 0.12) inset,
    -1px 0 3px rgba(0, 0, 0, 0.04),
    0 1px 4px rgba(0, 0, 0, 0.06);
}

.home-subject-book[data-subject="chinese"] .home-subject-book__door {
  background: linear-gradient(180deg, var(--book-chinese-top, #c9b9a4) 0%, var(--book-chinese-bot, #9e8c76) 100%);
}

.home-subject-book[data-subject="math"] .home-subject-book__door {
  background: linear-gradient(180deg, var(--book-math-top, #bdae99) 0%, var(--book-math-bot, #92806b) 100%);
}

.home-subject-book[data-subject="english"] .home-subject-book__door {
  background: linear-gradient(180deg, var(--book-english-top, #d4c5b0) 0%, var(--book-english-bot, #a8947c) 100%);
}

.home-subject-book[data-subject="science"] .home-subject-book__door {
  background: linear-gradient(180deg, var(--book-science-top, #b5a898) 0%, var(--book-science-bot, #8a7d6e) 100%);
}

.home-subject-book[data-subject="other"] .home-subject-book__door {
  background: linear-gradient(180deg, var(--book-other-top, #c2b6a8) 0%, var(--book-other-bot, #95897c) 100%);
}

.home-subject-book__meta {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.35;
}

@media (prefers-reduced-motion: reduce) {
  .home-subject-book,
  .home-subject-book__door {
    will-change: auto;
  }
}

/* 切换孩子 Sheet */
.sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 40;
}

.sheet-backdrop.is-show {
  opacity: 1;
  pointer-events: auto;
}

.sheet-backdrop[hidden] {
  display: none !important;
}

.child-switch-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  max-height: 72%;
  padding: 8px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  border-radius: 16px 16px 0 0;
  background: var(--surface-card);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}

.child-switch-sheet.is-show {
  transform: translateY(0);
}

.child-switch-sheet[hidden] {
  display: block !important;
  visibility: hidden;
  pointer-events: none;
}

.child-switch-sheet.is-show[hidden] {
  visibility: visible;
  pointer-events: auto;
}

.child-switch-sheet__handle {
  width: 36px;
  height: 4px;
  margin: 4px auto 12px;
  border-radius: 999px;
  background: #d8dce6;
}

.child-switch-sheet__title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  text-align: center;
  color: var(--text-primary);
}

.child-switch-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.child-switch-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 10px;
  border: none;
  background: none;
  text-align: left;
  border-radius: 12px;
  transition: background 0.15s ease;
}

.child-switch-item:active {
  background: rgba(91, 122, 232, 0.06);
}

.child-switch-item.is-active {
  background: var(--tint-blue);
}

.child-switch-item__avatar {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-deep);
  background: linear-gradient(145deg, #dbeafe, #bfdbfe);
}

.child-switch-item__info {
  flex: 1;
  min-width: 0;
}

.child-switch-item__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.child-switch-item__grade {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-secondary);
}

.child-switch-item__check {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--brand);
  opacity: 0;
}

.child-switch-item.is-active .child-switch-item__check {
  opacity: 1;
}

.child-switch-manage {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-top: 8px;
  padding: 14px 12px;
  border: none;
  border-top: 1px solid var(--border-subtle);
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  transition: background 0.15s ease;
}

.child-switch-manage span {
  flex: 1;
  text-align: left;
}

.child-switch-manage i:last-child {
  font-size: 11px;
  color: var(--text-muted);
}

.child-switch-manage:active {
  background: rgba(91, 122, 232, 0.06);
}

@media (prefers-reduced-motion: reduce) {
  .home-child-switcher,
  .home-feature-entry,
  .home-tool-item,
  .home-subject-book,
  .personal-practice-card,
  .child-switch-item,
  .child-switch-manage,
  .child-switch-sheet,
  .sheet-backdrop {
    transition: none;
  }
}

/* ===== 个人版 · 作业 / 练习 Tab 页 ===== */
.personal-tab-shell {
  padding: 16px;
}

.personal-tab-header {
  margin-bottom: 16px;
}

.personal-tab-header__title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.personal-tab-header__desc {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.personal-tab-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.personal-tab-list__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-card-lg);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

.personal-tab-list__subject {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.personal-tab-list__subject--chinese {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.personal-tab-list__subject--math {
  background: var(--tint-blue);
  color: var(--brand);
}

.personal-tab-list__subject--english {
  background: var(--tint-violet);
  color: var(--color-premium);
}

.personal-tab-list__body {
  flex: 1;
  min-width: 0;
}

.personal-tab-list__title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.personal-tab-list__meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.personal-tab-list__badge {
  flex-shrink: 0;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
}

.personal-tab-list__badge--pending {
  background: rgba(245, 158, 11, 0.14);
  color: #d97706;
}

.personal-tab-list__badge--revise {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.personal-tab-list__badge--done {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}

.personal-practice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.personal-practice-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 108px;
  padding: 16px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease;
}

.personal-practice-card:active {
  transform: scale(0.98);
}

.personal-practice-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.personal-practice-card__icon--blue { background: var(--tint-blue); color: var(--brand); }
.personal-practice-card__icon--amber { background: var(--tint-amber); color: var(--color-warning); }
.personal-practice-card__icon--violet { background: var(--tint-violet); color: var(--color-premium); }
.personal-practice-card__icon--green { background: var(--tint-green); color: var(--color-success); }

.personal-practice-card__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}