/* ════════════════════════════════════════════════
   tools/notepad/style.css — 메모장 툴 전용 스타일시트
   색상 변수(라이트/다크), 상단 바, 에디터, 사이드바,
   CARD(메모 아이템), MODAL, SEO 섹션, 반응형을 담당한다.
   ════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

/* ════════════════════════════════════════════════
   THEME | 색상 변수 (라이트모드 기본값)
   IMPORTANT: 색상 전체를 바꾸려면 이 :root 블록만 수정하면 된다.
   ════════════════════════════════════════════════ */
:root {
  --bg-primary:       #dde3f5;   /* 페이지 배경 — 카드와 명확히 구분 */
  --bg-secondary:     #ffffff;   /* 카드/에디터/사이드바 */
  --bg-panel:         #f4f6fc;   /* 사이드바 내부 리스트 영역 */
  --bg-glass:         rgba(255,255,255,0.88);
  --text-primary:     #1a1a2e;
  --text-secondary:   #464c6a;
  --text-light:       #8c92ac;
  --placeholder-color:#bcc0d4;
  --border-color:     #dce0ef;
  --shadow:           rgba(20,30,100,0.09);
  --shadow-hover:     rgba(20,30,100,0.17);
  --primary-color:    #4f7df3;
  --primary-light:    rgba(79,125,243,0.09);
  --primary-glow:     rgba(79,125,243,0.25);
  --danger-color:     #e0053a;
  --danger-light:     rgba(224,5,58,0.07);
  --gradient-primary: linear-gradient(135deg,#4f7df3,#7c5cf5);
  --card-radius:      14px;
  --transition:       cubic-bezier(0.4,0,0.2,1);
  --top-bar-h:        54px;
  --sidebar-w:        320px;
}

/* ════════════════════════════════════════════════
   THEME | 다크모드 색상 변수 오버라이드
   ════════════════════════════════════════════════ */
html.dark-mode, body.dark-mode {
  --bg-primary:       #0a0a16;
  --bg-secondary:     #14142a;
  --bg-panel:         #0f0f22;  /* 사이드바 리스트 영역 — bg-primary보다 살짝 밝음 */
  --bg-glass:         rgba(20,20,42,0.88);
  --text-primary:     #eaeaf5;
  --text-secondary:   #9898bc;
  --text-light:       #8285ac;
  --placeholder-color:#8285ac;
  --border-color:     #222238;
  --shadow:           rgba(0,0,0,0.40);
  --shadow-hover:     rgba(0,0,0,0.55);
  --primary-light:    rgba(79,125,243,0.13);
  --primary-glow:     rgba(79,125,243,0.38);
  --danger-light:     rgba(224,5,58,0.12);
}

body.dark-mode .editor-section {
  box-shadow: 0 6px 36px var(--shadow), 0 0 0 1px var(--primary-glow), 0 0 24px rgba(79,125,243,0.07);
}

/* ── 레이아웃 | body 기본 레이아웃
   테마: transition 줄이 다크/라이트 전환 시 배경·글자색을 부드럽게 바꿔준다 */
html, body {
  height: 100%;
  font-family: 'Inter','Segoe UI',-apple-system,sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background 0.4s var(--transition), color 0.4s var(--transition);
}

.hidden { display: none !important; }

/* ══════════════════════════════════════════════════
   LAYOUT | 앱 래퍼 & 전체 레이아웃
   ══════════════════════════════════════════════════ */
.app-wrap {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════
   HEADER/NAV | 상단 바
   ══════════════════════════════════════════════════ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: var(--top-bar-h);
  padding: 0 20px;
  background: var(--bg-secondary);
  border-bottom: 1.5px solid var(--border-color);
  flex-shrink: 0;
  z-index: 100;
  box-shadow: 0 1px 4px var(--shadow);
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.home-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  padding: 4px 10px 4px 8px;
  border-radius: 20px;
  background: var(--primary-light);
  transition: all 0.2s var(--transition);
  white-space: nowrap;
}
.home-link:hover { background: var(--primary-glow); transform: translateX(-2px); }

.app-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.app-title {
  margin: 0;
  padding: 0;
  font-size: 1.05rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.app-trust-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
}

.app-trust-chip {
  font-size: 0.63rem;
  font-weight: 600;
  color: var(--primary-color);
  background: var(--primary-light);
  border: 1px solid rgba(79,125,243,0.15);
  border-radius: 100px;
  padding: 2px 7px;
  letter-spacing: 0.1px;
  white-space: nowrap;
}

.top-bar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* 저장 상태 */
.save-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 20px;
  transition: color 0.4s, background 0.4s, opacity 0.2s;
  letter-spacing: 0.1px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.save-status::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.4s;
}
.save-status.saving {
  color: var(--text-secondary);
  animation: statusPulse 1.2s ease-in-out infinite;
}
.save-status.saving::before { background: var(--text-light); }
.save-status.saved  {
  color: var(--primary-color);
  background: var(--primary-light);
}
.save-status.saved::before  { background: var(--primary-color); }
.save-status.error  { color: var(--danger-color); background: var(--danger-light); }
.save-status.error::before  { background: var(--danger-color); }
.save-status.ready  { color: var(--text-light); background: transparent; }
.save-status.ready::before  { background: var(--text-light); opacity: 0.5; }

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* 상단 아이콘 버튼 */
.top-icon-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 1rem;
  padding: 7px 10px;
  border-radius: 10px;
  transition: all 0.2s var(--transition);
  color: var(--text-primary);
  line-height: 1;
  white-space: nowrap;
}
.top-icon-btn:hover { background: var(--primary-light); border-color: var(--primary-color); }
.top-icon-btn.active { background: var(--danger-light); border-color: var(--danger-color); color: var(--danger-color); }

/* 다크모드/언어 아이콘 버튼 — 홈페이지와 동일한 구조 */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-primary);
  cursor: pointer;
  transition: all 0.25s var(--transition);
  color: var(--text-secondary);
}

.icon-btn:hover {
  border-color: var(--primary-color);
  background: var(--primary-light);
  color: var(--primary-color);
}

.theme-icon {
  width: 18px;
  height: 18px;
}

.lang-select {
  position: relative;
}

.lang-toggle {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  padding: 6px;
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.2s var(--transition);
  z-index: 200;
}

.lang-select.open .lang-toggle {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 9px 10px;
  border-radius: 8px;
  transition: all 0.2s var(--transition);
}

.lang-option:hover {
  background: var(--primary-light);
  color: var(--primary-color);
}

.lang-option.active {
  color: var(--primary-color);
}

.lang-option .lang-check {
  opacity: 0;
  color: var(--primary-color);
}

.lang-option.active .lang-check {
  opacity: 1;
}

.trash-count {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--danger-color);
  vertical-align: super;
}

/* 새 메모 버튼 */
.btn-new {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 3px 10px var(--primary-glow);
  transition: all 0.25s var(--transition);
  white-space: nowrap;
}
.btn-new:hover { transform: translateY(-1px); box-shadow: 0 5px 16px var(--primary-glow); }
.btn-new:active { transform: scale(0.97); }

/* ══════════════════════════════════════════════════
   LAYOUT | 메인 레이아웃 (에디터 + 사이드바)
   ══════════════════════════════════════════════════ */
.main-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 16px 20px;
  gap: 16px;
  background: var(--bg-primary);
}

/* ══════════════════════════════════════════════════
   FORM | 에디터 영역 (텍스트 입력, 제목, 하단 바)
   ══════════════════════════════════════════════════ */
.editor-section {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: 0 8px 36px var(--shadow), 0 1px 4px rgba(20,30,100,0.06);
  position: relative;
  transition: background 0.4s var(--transition), border-color 0.4s var(--transition), box-shadow 0.4s var(--transition);
}

.editor-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  z-index: 1;
}

/* 작성 영역 래퍼 — 최대 너비로 집중감 확보 */
.editor-writing-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

/* 메모 헤더 (제목 + 구분선) */
.note-header {
  padding: 28px 40px 0;
  flex-shrink: 0;
}

.note-title-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.4px;
  padding: 0 0 2px;
  transition: color 0.4s var(--transition);
}

.note-title-input::placeholder {
  color: var(--placeholder-color);
  font-weight: 500;
}

.note-divider {
  border: none;
  height: 1.5px;
  background: linear-gradient(to right, var(--border-color) 60%, transparent);
  margin: 14px 0 0;
  transition: background 0.4s;
}

.note-header:focus-within .note-divider {
  background: linear-gradient(to right, var(--primary-color), var(--primary-glow) 60%, transparent);
}

.editor-textarea {
  flex: 1;
  min-height: 0;
  width: 100%;
  padding: 18px 40px 36px;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.82;
  letter-spacing: 0.01em;
  transition: color 0.4s var(--transition);
  -webkit-overflow-scrolling: touch;
  overflow-y: auto;
}

.editor-textarea::placeholder {
  color: var(--placeholder-color);
  font-style: normal;
}

/* 에디터 하단 바 */
.editor-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 22px;
  border-top: 1.5px solid var(--border-color);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  flex-shrink: 0;
  gap: 8px;
  min-height: 44px;
}

.editor-bar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.autosave-note {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--primary-color);
  background: var(--primary-light);
  border-radius: 100px;
  padding: 2px 8px;
  white-space: nowrap;
}

.char-count {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  opacity: 0.7;
}

.editor-bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Ghost 버튼 */
.btn-ghost {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--primary-color); color: var(--primary-color); background: var(--primary-light); }

.adv-arrow { display: inline-block; transition: transform 0.25s var(--transition); font-size: 0.7rem; }
.adv-arrow.open { transform: rotate(180deg); }

/* 저장 버튼 */
.btn-save {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 7px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 2px 8px var(--primary-glow);
  transition: all 0.2s var(--transition);
}
.btn-save:hover { transform: translateY(-1px); box-shadow: 0 4px 14px var(--primary-glow); }
.btn-save:active { transform: scale(0.97); }

/* 고급 옵션 패널 */
.advanced-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--transition), border-color 0.3s;
  border-top: 0px solid var(--border-color);
  background: var(--bg-panel);
  flex-shrink: 0;
}

.advanced-panel.open {
  max-height: 260px;
  overflow-y: auto;
  border-top-width: 1px;
}

.adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  padding: 16px 20px;
}

.adv-field { display: flex; flex-direction: column; gap: 5px; }
.adv-field-title  { grid-column: 1 / -1; }
.adv-field-tags   { grid-column: 1 / -1; }
.adv-field-color  { }
.adv-field-stars  { }
.adv-field-export { align-self: end; }

.adv-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.adv-hint { font-weight: 400; text-transform: none; letter-spacing: 0; }

.adv-input {
  padding: 8px 12px;
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.88rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
  font-weight: 500;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.adv-input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--primary-light); }
.adv-input::placeholder { color: var(--text-light); font-weight: 400; }

/* 색상 선택 점 */
.color-picker { display: flex; gap: 7px; align-items: center; }

.color-dot {
  width: 24px; height: 24px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s var(--transition);
  padding: 0;
  position: relative;
}
.color-dot:hover { transform: scale(1.25); }
.color-dot.active {
  box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px var(--primary-color);
  transform: scale(1.15);
}

/* 별점 */
.stars { display: flex; gap: 2px; }
.star {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  color: #ddd;
  padding: 1px;
  transition: all 0.15s var(--transition);
  line-height: 1;
}
.star:hover, .star.active { color: #ffc107; transform: scale(1.2); }

/* Small ghost button */
.btn-ghost-sm {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-ghost-sm:hover { border-color: var(--primary-color); color: var(--primary-color); background: var(--primary-light); }

/* 태그 칩 */
.tags-input { display: flex; flex-direction: column; gap: 5px; }

.tag-chips-wrap { display: flex; flex-wrap: wrap; gap: 5px; }
.tag-chips-wrap:empty { display: none; }

.tag-chip {
  display: inline-flex; align-items: center; gap: 3px;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: 20px;
  padding: 3px 10px 3px 11px;
  font-size: 0.78rem; font-weight: 600;
  border: 1.5px solid var(--primary-color);
}
.tag-chip-remove {
  background: none; border: none; cursor: pointer;
  color: var(--primary-color); font-size: 0.9rem; padding: 0; line-height: 1;
  opacity: 0.7; transition: opacity 0.15s;
}
.tag-chip-remove:hover { opacity: 1; }

/* ══════════════════════════════════════════════════
   LAYOUT | 사이드바 (메모 목록, 검색, 필터)
   ══════════════════════════════════════════════════ */
.sidebar {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: 0 2px 14px var(--shadow);
  overflow: hidden;
  transition: background 0.4s var(--transition), border-color 0.4s var(--transition), box-shadow 0.4s var(--transition);
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  flex-shrink: 0;
  transition: background 0.4s var(--transition), border-color 0.4s var(--transition);
}

.sidebar-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  flex: 1;
}

.sidebar-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 20px;
}

.sidebar-close-btn { display: none; }  /* shown on mobile only */

/* 사이드바 검색 */
.sidebar-search { padding: 10px 12px 5px; flex-shrink: 0; }

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute; left: 10px;
  width: 14px; height: 14px;
  color: var(--text-light);
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 7px 30px 7px 30px;
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
  font-weight: 500;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}
#search-input::placeholder { color: var(--text-light); font-weight: 400; }

#search-clear {
  position: absolute; right: 8px;
  background: none; border: none;
  color: var(--text-light); font-size: 0.8rem;
  cursor: pointer; padding: 2px 4px;
}
#search-clear:hover { color: var(--text-primary); }

/* 필터/정렬 */
.sidebar-filters, .sidebar-filters2 {
  display: flex;
  gap: 6px;
  padding: 4px 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.sidebar-filters select, #star-filter {
  flex: 1;
  padding: 5px 8px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.78rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  outline: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  min-width: 80px;
  transition: border-color 0.2s;
}
.sidebar-filters select:focus, #star-filter:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--primary-light); }

.sidebar-filters2 {
  padding-top: 0;
  padding-bottom: 8px;
  align-items: center;
}

/* 필터 접이식 */
.filter-details {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
}

.filter-details > summary {
  padding: 7px 14px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.15s;
}
.filter-details > summary::-webkit-details-marker { display: none; }
.filter-details > summary::after {
  content: '▾';
  font-size: 0.65rem;
  transition: transform 0.2s var(--transition);
}
.filter-details[open] > summary::after { transform: rotate(180deg); }
.filter-details > summary:hover { color: var(--text-secondary); }

/* 색상 필터 */
.color-filter { display: flex; align-items: center; gap: 5px; flex: 1; }

.cf-btn[data-color=""] {
  padding: 3px 10px; font-size: 0.73rem; font-weight: 600;
  border-radius: 20px; border: 1.5px solid var(--border-color);
  background: var(--bg-primary); color: var(--text-secondary);
  cursor: pointer; font-family: inherit; transition: all 0.15s;
  line-height: 1.6; white-space: nowrap;
}
.cf-btn[data-color=""].active {
  border-color: var(--primary-color); color: var(--primary-color); background: var(--primary-light);
}

.cf-btn.cf-color {
  width: 20px; height: 20px; border-radius: 50%;
  border-width: 1.5px; border-style: solid;
  padding: 0; cursor: pointer; font-size: 0;
  transition: all 0.15s var(--transition);
}
.cf-btn.cf-color.active {
  box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary-color);
  transform: scale(1.15);
}
.cf-btn.cf-color:hover:not(.active) { transform: scale(1.2); }

/* 실행취소 바 */
.undo-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gradient-primary);
  color: #fff;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  animation: slideDown 0.3s var(--transition);
  transition: opacity 0.3s, transform 0.3s;
  flex-shrink: 0;
}
.undo-bar button {
  background: rgba(255,255,255,0.2);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: inherit;
  transition: background 0.4s;
}
.undo-bar button:hover { background: rgba(255,255,255,0.35); }
.undo-bar.disappearing { opacity: 0; transform: translateY(-8px); animation: none !important; }

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

/* ── 카드 | 메모 목록 아이템 (사이드바 내) ── */
.memo-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 10px 60px;
  background: var(--bg-panel);
}

.memo-item {
  position: relative;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 10px 14px;
  cursor: pointer;
  margin-bottom: 6px;
  transition: all 0.2s var(--transition);
  overflow: hidden;
}

.memo-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--border-color);
  border-radius: 3px 0 0 3px;
  transition: background 0.4s;
}

.memo-item:hover { border-color: var(--primary-color); box-shadow: 0 2px 8px var(--primary-glow); }
.memo-item:hover::before { background: var(--primary-color); }
.memo-item.active { border-color: var(--primary-color); background: var(--primary-light); }
.memo-item.active::before { background: var(--primary-color); }

/* ── 테마 | 메모 색상 테마 변형 + 왼쪽 스트라이프
   중요: 메모 색상 목록(white/yellow/green/blue/pink/purple)을 추가하려면
   이 블록과 HTML의 color-dot 버튼을 함께 수정해야 한다. */
.memo-item[data-color="yellow"] { background: #fffce8; border-color: #f0e88a; }
.memo-item[data-color="yellow"]::before { background: #e8d840; }
.memo-item[data-color="green"]  { background: #f0faf3; border-color: #b0dfc0; }
.memo-item[data-color="green"]::before  { background: #88c99e; }
.memo-item[data-color="blue"]   { background: #eef5ff; border-color: #a8ccf5; }
.memo-item[data-color="blue"]::before   { background: #80beff; }
.memo-item[data-color="pink"]   { background: #fff0f5; border-color: #ffbad0; }
.memo-item[data-color="pink"]::before   { background: #ff9ab5; }
.memo-item[data-color="purple"] { background: #f7f0ff; border-color: #d4b0ef; }
.memo-item[data-color="purple"]::before { background: #c08ee0; }
body.dark-mode .memo-item[data-color="yellow"] { background: #1e1c09; border-color: #3a3510; }
body.dark-mode .memo-item[data-color="green"]  { background: #0a180e; border-color: #1a4025; }
body.dark-mode .memo-item[data-color="blue"]   { background: #091525; border-color: #1a3560; }
body.dark-mode .memo-item[data-color="pink"]   { background: #1f0a10; border-color: #4a1628; }
body.dark-mode .memo-item[data-color="purple"] { background: #140a20; border-color: #3a1860; }

.memo-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 3px;
}

.memo-item-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.memo-item-actions {
  display: flex;
  gap: 3px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}
.memo-item:hover .memo-item-actions { opacity: 1; }

.memo-item-actions button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px 5px;
  border-radius: 5px;
  color: var(--text-light);
  transition: all 0.15s;
}
.memo-item-actions button:hover { background: var(--bg-primary); color: var(--text-primary); }
.memo-item-actions .delete-btn:hover { color: var(--danger-color); }

.memo-item-preview {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 5px;
}

.memo-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.memo-item-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  flex: 1;
  overflow: hidden;
}

.memo-item-date {
  font-size: 0.7rem;
  color: var(--text-light);
  font-weight: 500;
  white-space: nowrap;
}

.pin-icon { font-size: 0.7rem; }

.tag-badge {
  background: var(--primary-light);
  color: var(--primary-color);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  white-space: nowrap;
}

/* 검색 하이라이트 */
mark {
  background: rgba(255,200,0,0.35);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

/* 사이드바 빈 상태 */
.sidebar-empty {
  text-align: center;
  padding: 28px 16px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
  opacity: 0.7;
}

/* 휴지통 헤더 */
.trash-view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--danger-light);
  border: 1px solid rgba(224,5,58,0.15);
  border-radius: 10px;
  margin: 6px 8px 2px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.trash-view-header strong { color: var(--danger-color); }

.danger-text-btn {
  background: none; border: 1.5px solid var(--danger-color);
  color: var(--danger-color); border-radius: 7px;
  padding: 3px 10px; font-size: 0.73rem; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: all 0.15s;
}
.danger-text-btn:hover { background: var(--danger-color); color: #fff; }

.trash-item { opacity: 0.75; }
.trash-item .memo-item-title { text-decoration: line-through; color: var(--text-secondary); }

.restore-btn {
  background: none; border: 1.5px solid var(--primary-color);
  color: var(--primary-color); border-radius: 6px;
  padding: 2px 8px; font-size: 0.7rem; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: all 0.15s;
  white-space: nowrap;
}
.restore-btn:hover { background: var(--primary-light); }

/* ══════════════════════════════════════════════════
   모바일 FAB (사이드바 열기)
   ══════════════════════════════════════════════════ */
.sidebar-fab {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 20px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 18px var(--primary-glow);
  z-index: 200;
  font-family: inherit;
  transition: all 0.2s var(--transition);
}
.sidebar-fab:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--primary-glow); }

.fab-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255,255,255,0.25);
  padding: 1px 6px;
  border-radius: 10px;
}

/* ══════════════════════════════════════════════════
   MODAL | 모달 (도움말 & 가져오기)
   ══════════════════════════════════════════════════ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-box {
  background: var(--bg-secondary);
  border-radius: 20px;
  padding: 28px 28px 22px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  animation: modalIn 0.25s var(--transition);
  position: relative;
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 20px 20px 0 0;
}

@keyframes modalIn {
  from { transform: translateY(20px) scale(0.96); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

/* 단축키 모달 */
.help-box { max-width: 400px; }
.help-box h2 { font-size: 1.1rem; font-weight: 800; margin-bottom: 18px; }

.shortcuts { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.shortcut-item { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; }
.shortcut-item span { color: var(--text-secondary); margin-left: 4px; }

kbd {
  display: inline-block;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: 'Inter', monospace;
  box-shadow: 0 1px 4px var(--shadow);
}

.btn-primary-full {
  width: 100%;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 11px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 3px 10px var(--primary-glow);
  transition: all 0.2s;
}
.btn-primary-full:hover { transform: translateY(-1px); box-shadow: 0 6px 16px var(--primary-glow); }

/* 가져오기 모달 */
.import-box { max-width: 380px; text-align: center; }
.import-icon { font-size: 2.2rem; margin-bottom: 8px; }
.import-box h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.import-desc { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.5; }

.import-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.import-actions button {
  border-radius: 10px; padding: 9px 16px; font-size: 0.83rem; font-weight: 600;
  cursor: pointer; font-family: inherit; transition: all 0.2s;
  border: 1.5px solid var(--border-color); background: var(--bg-primary); color: var(--text-secondary);
}
.import-actions button:hover { border-color: var(--text-light); background: var(--border-color); }

#import-merge-btn {
  background: var(--gradient-primary); color: #fff; border: none;
  box-shadow: 0 2px 8px var(--primary-glow);
}
#import-merge-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 14px var(--primary-glow); }

.import-danger-btn {
  background: none !important; color: var(--danger-color) !important;
  border-color: var(--danger-color) !important;
}
.import-danger-btn:hover { background: var(--danger-color) !important; color: #fff !important; }

/* ══════════════════════════════════════════════════
   토스트
   ══════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 11px 24px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 2000;
  box-shadow: 0 6px 24px rgba(0,0,0,0.14);
  border: 1px solid var(--border-color);
  animation: toastIn 0.3s var(--transition);
  white-space: nowrap;
}
@keyframes toastIn {
  from { transform: translateX(-50%) translateY(12px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ══════════════════════════════════════════════════
   SEO | 하단 도움말 섹션 (항상 표시 — 검색엔진용)
   ══════════════════════════════════════════════════ */
.seo-content {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
  padding-bottom: 48px;
}

/* ══════════════════════════════════════════════════
   스크롤바
   ══════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ══════════════════════════════════════════════════
   더보기 드롭다운 메뉴
   ══════════════════════════════════════════════════ */
.more-menu-wrap {
  position: relative;
}

.more-btn {
  font-size: 1.1rem;
  letter-spacing: 1px;
  width: 38px;
  height: 38px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-width: 1.5px;
}

.more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 6px;
  min-width: 175px;
  box-shadow: 0 10px 36px var(--shadow-hover);
  z-index: 500;
  animation: menuIn 0.15s var(--transition);
}

@keyframes menuIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.more-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 13px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  background: none;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.more-item:hover { background: var(--primary-light); color: var(--primary-color); }
.more-item.active { color: var(--danger-color); background: var(--danger-light); }

.more-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 6px;
}

/* ══════════════════════════════════════════════════
   빈 상태 예시 카드
   ══════════════════════════════════════════════════ */
.memo-examples {
  padding: 4px 8px 8px;
}

.memo-example-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 12px;
  margin-bottom: 5px;
  background: var(--bg-secondary);
  border: 1.5px dashed var(--border-color);
  border-radius: 10px;
  opacity: 0.38;
  pointer-events: none;
  user-select: none;
}

.memo-example-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.memo-example-body { flex: 1; }

.memo-example-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.memo-example-preview {
  font-size: 0.71rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* ══════════════════════════════════════════════════
   포커스 접근성
   ══════════════════════════════════════════════════ */
*:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }

/* ══════════════════════════════════════════════════
   반응형 — 모바일 (≤ 768px)
   ══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .app-wrap { height: auto; overflow: visible; }

  .top-bar { padding: 0 12px; height: auto; min-height: 50px; flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .app-title { font-size: 0.95rem; }
  .app-trust-row { display: none; }
  .home-link { font-size: 0.75rem; padding: 3px 8px; }
  .btn-new { padding: 7px 14px; font-size: 0.82rem; }
  .top-icon-btn { padding: 6px 8px; font-size: 0.9rem; }
  .more-btn { padding: 0; font-size: 1.1rem; }
  .top-bar-center { order: 3; width: 100%; justify-content: flex-start; }
  .more-menu { right: 0; min-width: 160px; }
  .lang-toggle { min-width: 140px; right: -4px; }
  .lang-option { padding: 8px 8px; font-size: 0.8rem; }

  .main-layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
    padding: 10px 12px;
    gap: 10px;
  }

  .editor-section {
    height: auto;
    overflow: visible;
    border-radius: 12px;
  }

  .editor-writing-wrap { max-width: none; }
  .note-header { padding: 20px 20px 0; }
  .note-title-input { font-size: 1.25rem; }

  .editor-textarea {
    padding: 14px 20px 24px;
    font-size: 1rem;
    min-height: 50vh;
    height: auto;
    overflow-y: auto;
    resize: vertical;
  }

  .advanced-panel.open { max-height: 400px; }

  .adv-grid { grid-template-columns: 1fr; }
  .adv-field-color, .adv-field-stars { grid-column: 1 / -1; }

  /* 사이드바: 숨김 기본, 오버레이로 표시 */
  .sidebar {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    max-height: 100vh;
    border-radius: 0;
  }
  .sidebar.open { display: flex; }
  .sidebar-close-btn { display: block !important; }

  /* 모바일 FAB */
  .sidebar-fab { display: flex; align-items: center; gap: 6px; }
  .sidebar-fab.hidden { display: none; }

  /* 토스트 위치 조정 */
  .toast { bottom: 80px; }
}

@media (min-width: 769px) and (max-width: 1100px) {
  :root { --sidebar-w: 280px; }
  .editor-writing-wrap { max-width: 680px; }
  .note-header { padding: 24px 28px 0; }
  .editor-textarea { padding: 14px 28px 28px; }
}

/* 모바일 가로 스크롤 방지 — 배경 장식(fixed blob)이 뷰포트 밖으로 넘쳐도 가로 스크롤이 생기지 않게 한다 */
html { overflow-x: hidden; }