/* ---------- 색상 토큰 ---------- */
:root {
  color-scheme: light;
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --text-faint: #9ca3af;
  --border: #e5e7eb;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --on-primary: #ffffff;
  --on-accent: #ffffff;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --mark: #fef08a;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);

  /* 카테고리 색상 */
  --work: #2563eb;
  --work-soft: #dbeafe;
  --personal: #16a34a;
  --personal-soft: #dcfce7;
  --study: #ea580c;
  --study-soft: #ffedd5;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1115;
  --card: #1a1d24;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --text-faint: #6b7280;
  --border: #2d323c;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --on-primary: #ffffff;
  --on-accent: #0f1115;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.12);
  --mark: rgba(250, 204, 21, 0.35);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 4px 14px rgba(0, 0, 0, 0.55);

  --work: #60a5fa;
  --work-soft: rgba(96, 165, 250, 0.16);
  --personal: #4ade80;
  --personal-soft: rgba(74, 222, 128, 0.16);
  --study: #fb923c;
  --study-soft: rgba(251, 146, 60, 0.16);
}

/* ---------- 기본 ---------- */
* {
  box-sizing: border-box;
}

/* display를 지정한 요소도 hidden 속성이 있으면 확실히 숨긴다 */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  line-height: 1.5;
  transition: background-color 0.3s, color 0.3s;
}

.dashboard,
.todo-input,
.category-select,
.search-input,
.filter-btn,
.todo-item {
  transition: background-color 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.2s, transform 0.2s, opacity 0.2s;
}

/* 중앙 정렬 컨테이너 */
.app {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px 16px;
}

/* ---------- 헤더 ---------- */
.app-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.app-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 2rem;
  white-space: nowrap;
}

.remaining-badge {
  padding: 2px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.remaining-badge.done {
  color: var(--on-accent);
  background: var(--personal);
}

/* 다크 모드 토글 스위치 */
.theme-toggle {
  position: relative;
  justify-self: end;
  width: 56px;
  height: 30px;
  padding: 0;
  background: var(--border);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.toggle-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  line-height: 1;
  color: var(--text-muted);
}

.toggle-sun { left: 8px; }
.toggle-moon { right: 9px; }

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: var(--card);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.3s;
}

.theme-toggle[aria-checked="true"] {
  background: var(--primary);
}

.theme-toggle[aria-checked="true"] .toggle-thumb {
  transform: translateX(26px);
}

.theme-toggle[aria-checked="true"] .toggle-sun {
  color: var(--on-primary);
}

/* ---------- 진행률 대시보드 ---------- */
.dashboard {
  margin-bottom: 20px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.dashboard-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 10px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-today {
  align-items: flex-end;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

.stat-value strong {
  font-size: 1.6rem;
  line-height: 1.2;
}

.stat-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.progress-bar,
.mini-bar {
  overflow: hidden;
  background: var(--border);
  border-radius: 999px;
}

.progress-bar {
  height: 10px;
}

.mini-bar {
  height: 6px;
}

.progress-fill,
.mini-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.3s;
}

.progress-fill {
  background: var(--primary);
}

.dashboard.all-done .progress-fill {
  background: var(--personal);
}

.category-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.category-stat.work { --accent: var(--work); }
.category-stat.personal { --accent: var(--personal); }
.category-stat.study { --accent: var(--study); }

.category-stat-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.category-stat-head span:first-child {
  font-weight: 600;
  color: var(--accent);
}

.mini-fill {
  background: var(--accent);
}

.cheer-message {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cheer-message:empty {
  display: none;
}

.dashboard.all-done .cheer-message {
  font-weight: 600;
  color: var(--personal);
  animation: fade-in 0.4s ease-out;
}

/* ---------- 격언 ---------- */
.quote {
  position: relative;
  margin: 0 0 16px;
  padding: 12px 44px 12px 16px;
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: background-color 0.3s;
}

.quote-text {
  margin: 0;
  font-size: 0.95rem;
}

.quote-text.changing {
  animation: fade-in 0.3s ease-out;
}

.quote-author {
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.quote-next {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 32px;
  height: 32px;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--text-faint);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.quote-next:hover {
  color: var(--text);
  background: var(--border);
}

/* ---------- 입력 폼 ---------- */
.todo-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.todo-input,
.category-select,
.search-input {
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.todo-input::placeholder,
.search-input::placeholder {
  color: var(--text-faint);
}

.todo-input {
  flex: 1;
  min-width: 0;
}

.category-select {
  cursor: pointer;
}

.todo-input:focus,
.category-select:focus,
.search-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.add-btn {
  padding: 12px 20px;
  font: inherit;
  font-weight: 600;
  color: var(--on-primary);
  background: var(--primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s;
}

.add-btn:hover {
  background: var(--primary-hover);
}

/* 자동 분류 */
.form-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  margin: -4px 2px 12px;
  font-size: 0.85rem;
}

.auto-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  cursor: pointer;
}

.auto-toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.auto-hint {
  --accent: var(--primary);
  --accent-soft: var(--border);
  padding: 2px 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  animation: fade-in 0.2s ease-out;
}

.auto-hint.work { --accent: var(--work); --accent-soft: var(--work-soft); }
.auto-hint.personal { --accent: var(--personal); --accent-soft: var(--personal-soft); }
.auto-hint.study { --accent: var(--study); --accent-soft: var(--study-soft); }

/* 중복 · 오류 안내 */
.form-message {
  margin: -4px 0 12px;
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 8px;
  animation: fade-in 0.2s ease-out;
}

.form-message.warn {
  color: var(--study);
  background: var(--study-soft);
}

.form-message.error {
  color: var(--danger);
  background: var(--danger-soft);
}

/* ---------- 검색 · 정렬 ---------- */
.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.search {
  position: relative;
  flex: 1;
  min-width: 0;
}

.sort-select {
  padding: 12px 10px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.sort-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--text-faint);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding-left: 38px;
}

mark {
  padding: 0 1px;
  color: inherit;
  background: var(--mark);
  border-radius: 3px;
}

/* ---------- 필터 버튼 ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.filter-btn {
  --accent: var(--text);
  --accent-soft: var(--border);
  flex-shrink: 0;
  padding: 6px 14px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}

.filter-btn[data-filter="work"] { --accent: var(--work); --accent-soft: var(--work-soft); }
.filter-btn[data-filter="personal"] { --accent: var(--personal); --accent-soft: var(--personal-soft); }
.filter-btn[data-filter="study"] { --accent: var(--study); --accent-soft: var(--study-soft); }

.filter-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.filter-btn.active {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.filter-count {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ---------- 할 일 카드 ---------- */
.todo-list {
  position: relative; /* 드래그 계산에 offsetTop을 쓰기 위한 기준 */
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.todo-item {
  --accent: var(--text-muted);
  --accent-soft: var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.todo-item.work { --accent: var(--work); --accent-soft: var(--work-soft); }
.todo-item.personal { --accent: var(--personal); --accent-soft: var(--personal-soft); }
.todo-item.study { --accent: var(--study); --accent-soft: var(--study-soft); }

.todo-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.todo-checkbox {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.todo-body {
  flex: 1;
  min-width: 0;
}

.todo-text {
  display: block;
  overflow-wrap: anywhere;
}

.todo-text[tabindex] {
  cursor: text;
  border-radius: 4px;
}

.todo-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-faint);
}

.category-tag {
  padding: 1px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

/* 완료 항목 */
.todo-item.completed {
  opacity: 0.6;
}

.todo-item.completed .todo-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

.todo-item.completed:hover {
  opacity: 1;
}

.delete-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  font-size: 1rem;
  color: var(--text-faint);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s;
}

.delete-btn:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

/* ---------- 드래그 정렬 ---------- */
.drag-handle {
  flex-shrink: 0;
  width: 24px;
  height: 32px;
  margin: 0 -6px 0 -8px;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: -2px;
  color: var(--text-faint);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: grab;
  touch-action: none; /* 터치 드래그 중 화면 스크롤 방지 */
}

.drag-handle:hover {
  color: var(--text);
  background: var(--border);
}

.todo-item.dragging {
  position: relative;
  z-index: 10;
  opacity: 1;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  transition: none;
}

.todo-item.dragging .drag-handle,
.todo-list.is-dragging {
  cursor: grabbing;
}

.todo-list.is-dragging {
  user-select: none;
}

.todo-list.is-dragging .todo-item:not(.dragging):hover {
  transform: none;
}

/* 중복 항목 알림 */
@keyframes flash {
  0%, 100% { box-shadow: var(--shadow); }
  30%, 70% { box-shadow: 0 0 0 3px var(--study); }
}

.todo-item.flash {
  animation: flash 1.2s ease-in-out;
}

/* ---------- 인라인 수정 ---------- */
.todo-item.editing {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.todo-item.editing:hover {
  transform: none;
}

.edit-row {
  display: flex;
  gap: 8px;
}

.edit-input,
.edit-category {
  padding: 6px 10px;
  font: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.edit-input {
  flex: 1;
  min-width: 0;
}

.edit-input:focus,
.edit-category:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.edit-hint {
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ---------- 빈 상태 ---------- */
.empty-state {
  padding: 40px 16px;
  text-align: center;
  animation: fade-in 0.3s ease-out;
}

.empty-icon {
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 12px;
}

.empty-title {
  margin: 0 0 4px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.empty-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- 목록 하단 ---------- */
.list-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.clear-btn {
  padding: 6px 10px;
  font: inherit;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}

.clear-btn:hover {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: var(--danger-soft);
}

/* ---------- 데이터 백업 ---------- */
.data-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background-color 0.3s, border-color 0.3s;
}

.data-title {
  margin: 0;
  font-size: 0.95rem;
}

.backup-status {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.backup-status.warn {
  color: var(--study);
}

.data-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.data-btn {
  padding: 8px 14px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.data-btn:hover:not(:disabled) {
  border-color: var(--primary);
}

.data-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- 토스트 (실행 취소 · 응원) ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 32px);
  padding: 10px 10px 10px 16px;
  color: var(--bg);
  background: var(--text);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transform: translateX(-50%);
  animation: toast-in 0.25s ease-out;
}

@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.toast-message {
  font-size: 0.9rem;
}

.toast-undo,
.toast-close {
  flex-shrink: 0;
  font: inherit;
  font-size: 0.9rem;
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.toast-undo {
  padding: 4px 8px;
  font-weight: 700;
  color: var(--primary-hover);
}

:root[data-theme="dark"] .toast-undo {
  color: var(--primary);
}

.toast-close {
  width: 28px;
  height: 28px;
  color: inherit;
  opacity: 0.6;
}

.toast-undo:hover,
.toast-close:hover {
  background: rgba(127, 127, 127, 0.2);
  opacity: 1;
}

/* ---------- 가져오기 대화상자 ---------- */
.dialog {
  width: min(420px, calc(100% - 32px));
  padding: 22px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dialog[open] {
  animation: fade-in 0.2s ease-out;
}

.dialog-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.dialog-text {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--text-muted);
  white-space: pre-line;
}

.dialog-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  cursor: pointer;
}

.dialog-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.dialog-btn {
  padding: 9px 16px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.dialog-btn:hover {
  border-color: var(--primary);
}

.dialog-btn-danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

:root[data-theme="dark"] .dialog-btn-danger {
  color: var(--on-accent);
}

/* ---------- 접근성 도우미 ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 200;
  padding: 8px 14px;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: 8px;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 12px;
}

/* ---------- 단축키 안내 ---------- */
.shortcuts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 16px;
  margin-top: 32px;
  font-size: 0.8rem;
  color: var(--text-faint);
}

kbd {
  padding: 1px 6px;
  font: inherit;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
}

/* ---------- 포커스 ---------- */
button:focus-visible,
.todo-checkbox:focus-visible,
.todo-text:focus-visible,
.dialog-check input:focus-visible,
.auto-toggle input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------- 애니메이션 ---------- */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

@keyframes fade-out {
  to { opacity: 0; transform: translateX(24px); }
}

.todo-item.entering {
  animation: fade-in 0.3s ease-out;
}

.todo-item.leaving {
  animation: fade-out 0.25s ease-in forwards;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* 터치 기기에서는 호버 들림 효과를 끈다 */
@media (hover: none) {
  .todo-item:hover {
    transform: none;
    box-shadow: var(--shadow);
  }

  .todo-item.completed:hover {
    opacity: 0.6;
  }
}

/* ---------- 모바일 (480px 이하) ---------- */
@media (max-width: 480px) {
  .app {
    padding: 20px 16px 32px;
  }

  .app-header {
    grid-template-columns: 1fr auto;
    margin-bottom: 16px;
  }

  .header-spacer {
    display: none;
  }

  .app-title {
    font-size: 1.6rem;
  }

  .dashboard {
    padding: 14px 16px;
    margin-bottom: 16px;
  }

  .stat-value strong {
    font-size: 1.35rem;
  }

  .category-stats {
    gap: 10px;
    margin-top: 12px;
  }

  /* 입력 폼: 입력창 한 줄, 카테고리 + 추가 버튼 한 줄 */
  .todo-form {
    flex-wrap: wrap;
  }

  .todo-input {
    flex-basis: 100%;
  }

  .category-select {
    flex: 1;
  }

  /* iOS에서 입력창 포커스 시 확대되지 않도록 16px 유지 */
  .todo-input,
  .category-select,
  .search-input,
  .edit-input,
  .edit-category {
    font-size: 16px;
  }

  /* 필터는 한 줄로 두고 가로 스크롤 */
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 0 -16px 14px;
    padding: 2px 16px;
    scrollbar-width: none;
  }

  .filters::-webkit-scrollbar {
    display: none;
  }

  /* 터치하기 쉬운 크기 */
  .filter-btn {
    padding: 8px 16px;
  }

  .todo-item {
    gap: 10px;
    padding: 12px;
  }

  .todo-checkbox {
    width: 22px;
    height: 22px;
  }

  .delete-btn {
    width: 40px;
    height: 40px;
  }

  .edit-row {
    flex-wrap: wrap;
  }

  .edit-input {
    flex-basis: 100%;
  }

  .edit-hint {
    display: none;
  }

  .list-footer {
    flex-wrap: wrap;
  }

  .clear-btn {
    padding: 10px 12px;
  }

  .quote {
    padding: 10px 40px 10px 14px;
  }

  .quote-text {
    font-size: 0.9rem;
  }

  .sort-select {
    max-width: 42%;
    font-size: 16px;
  }

  .drag-handle {
    width: 32px;
    height: 40px;
    margin: 0 -4px 0 -6px;
  }

  .data-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .data-btn {
    flex: 1;
    padding: 10px 14px;
  }

  .toast {
    bottom: 16px;
    width: calc(100% - 32px);
  }

  .toast-message {
    flex: 1;
  }

  .dialog-actions {
    flex-direction: column-reverse;
  }

  .dialog-btn {
    padding: 12px 16px;
  }

  /* 모바일에서는 키보드 단축키 안내를 숨긴다 */
  .shortcuts {
    display: none;
  }
}