/* ============================================================
   상업용 수준 디자인 시스템
   ============================================================ */

/* ── 디자인 토큰 ──────────────────────────────────────────── */
:root {
  /* Sidebar (Dark) */
  --sb-bg:          #1C1C1E;
  --sb-border:      rgba(255,255,255,.07);
  --sb-text:        rgba(255,255,255,.82);
  --sb-muted:       rgba(255,255,255,.42);
  --sb-hover:       rgba(255,255,255,.07);
  --sb-active:      rgba(255,255,255,.13);
  --sb-active-text: #FFFFFF;
  --sb-w:           220px;

  /* Content */
  --bg:       #F4F4F7;
  --surface:  #FFFFFF;
  --surface2: #F9F9FB;
  --border:   #E4E4E8;
  --border2:  #D1D1D8;

  /* Text */
  --t1:  #18181B;
  --t2:  #6B7280;
  --t3:  #9CA3AF;

  /* Accent */
  --accent:       #6366F1;
  --accent-dark:  #4F46E5;
  --accent-light: #EEF2FF;
  --accent-ring:  rgba(99,102,241,.25);

  /* Status */
  --success:       #16A34A;
  --success-light: #DCFCE7;
  --danger:        #DC2626;
  --danger-light:  #FEE2E2;
  --warning:       #D97706;
  --info:          #2563EB;

  /* Radius */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* Shadow */
  --sh-xs: 0 1px 2px rgba(0,0,0,.05);
  --sh-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --sh:    0 4px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.06);
  --sh-md: 0 8px 16px rgba(0,0,0,.07), 0 3px 6px rgba(0,0,0,.05);
  --sh-lg: 0 20px 32px rgba(0,0,0,.09), 0 8px 16px rgba(0,0,0,.06);
  --sh-xl: 0 32px 64px rgba(0,0,0,.12), 0 16px 32px rgba(0,0,0,.08);

  /* Transition */
  --t:     150ms cubic-bezier(.4, 0, .2, 1);
  --t-md:  250ms cubic-bezier(.4, 0, .2, 1);
  --t-slow:400ms cubic-bezier(.4, 0, .2, 1);
}

/* ── 리셋 & 기본 ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR',
               'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--t1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── 앱 레이아웃 ─────────────────────────────────────────── */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════════════
   사이드바 (Dark)
══════════════════════════════════════════════════════════ */
.sidebar {
  width: var(--sb-w);
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  z-index: 10;
}

/* 스크롤바 스타일 */
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 2px; }

/* 워크스페이스 헤더 */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 18px 14px 14px;
  border-bottom: 1px solid var(--sb-border);
  flex-shrink: 0;
}

.workspace-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.workspace-icon svg { flex-shrink: 0; }

.workspace-name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--sb-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 내비게이션 */
.sidebar-nav {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

/* 내비게이션 그룹 */
.nav-group {
  padding: 4px 0;
}

.nav-group--border {
  border-top: 1px solid var(--sb-border);
  margin-top: 4px;
  padding-top: 8px;
}

.nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 14px 4px 12px;
  margin-bottom: 2px;
}

.nav-group-label {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--sb-muted);
}

.nav-add-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 4px;
  color: var(--sb-muted);
  transition: background var(--t), color var(--t);
}
.nav-add-btn:hover {
  background: var(--sb-hover);
  color: var(--sb-text);
}

/* 사이드바 아이템 (버튼) */
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 11px 12px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--r-sm);
  margin: 0 6px;
  width: calc(100% - 12px);
  font-size: .85rem;
  font-weight: 500;
  color: var(--sb-muted);
  text-align: left;
  transition: background var(--t), color var(--t);
  position: relative;
}

.nav-item:hover { background: var(--sb-hover); color: var(--sb-text); }
.nav-item.active {
  background: var(--sb-active);
  color: var(--sb-active-text);
}

.nav-item-icon {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: currentColor;
}
.nav-item-icon svg { width: 20px; height: 20px; }
.nav-item-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 메모 공간 목록 */
.space-list {
  list-style: none;
  padding: 0 6px;
}

.space-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 8px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t), color var(--t);
  color: var(--sb-muted);
  font-size: .85rem;
  font-weight: 500;
  user-select: none;
}

.space-item:hover { background: var(--sb-hover); color: var(--sb-text); }
.space-item.active { background: var(--sb-active); color: var(--sb-active-text); }

.space-item-icon { font-size: .95rem; flex-shrink: 0; }
.space-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 공간 아이템 호버 액션 버튼들 */
.space-item-actions {
  display: none;
  gap: 2px;
  flex-shrink: 0;
}
.space-item:hover .space-item-actions { display: flex; }

.space-action-btn {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  color: rgba(255,255,255,.55);
  transition: color var(--t), background var(--t);
}
.space-action-btn svg { width: 13px; height: 13px; }
.space-action-btn:hover {
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.1);
}
.space-action-btn.danger:hover { color: #F87171; background: rgba(248,113,113,.12); }

/* 사이드바 하단 */
.sidebar-footer {
  border-top: 1px solid var(--sb-border);
  padding: 8px 6px 12px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════
   메인 영역
══════════════════════════════════════════════════════════ */
.main-area {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* 패널 */
.panel {
  display: none;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  flex-direction: column;
}

.panel.active { display: flex; flex-direction: column; }

/* 패널 스크롤바 */
.panel::-webkit-scrollbar { width: 6px; }
.panel::-webkit-scrollbar-track { background: transparent; }
.panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.panel::-webkit-scrollbar-thumb:hover { background: var(--border2); }

/* 패널 상단바 */
.panel-topbar {
  padding: 20px 28px 8px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
  border-bottom: 1px solid transparent;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--t1);
  letter-spacing: -.01em;
}

/* ══════════════════════════════════════════════════════════
   메모 컴포저 (입력 영역)
══════════════════════════════════════════════════════════ */
.composer {
  margin: 8px 28px 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  transition: border-color var(--t), box-shadow var(--t);
  flex-shrink: 0;
}

.composer:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring), var(--sh-sm);
}

.composer-textarea {
  width: 100%;
  padding: 14px 16px 8px;
  border: none;
  outline: none;
  resize: none;
  font-family: inherit;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--t1);
  background: transparent;
  display: block;
  min-height: 64px;
}

.composer-textarea::placeholder { color: var(--t3); }

.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 10px;
  border-top: 1px solid var(--border);
}

.composer-actions-left { display: flex; align-items: center; gap: 6px; }
.composer-actions-right { display: flex; align-items: center; gap: 10px; }

.composer-attach {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--t2);
  transition: background var(--t), color var(--t);
}
.composer-attach:hover { background: var(--bg); color: var(--accent); }

.composer-hint {
  font-size: .76rem;
  color: var(--t3);
}

.btn-composer {
  padding: .38rem 1.1rem;
  font-size: .875rem;
}

/* ══════════════════════════════════════════════════════════
   메모 피드
══════════════════════════════════════════════════════════ */
.memo-feed {
  padding: 0 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

/* 빈 피드 */
.memo-feed-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--t3);
  gap: 10px;
}
.memo-feed-empty svg { opacity: .35; }
.memo-feed-empty p { font-size: .9rem; }

/* 메모 카드 */
.memo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  box-shadow: var(--sh-xs);
  position: relative;
  overflow: hidden;          /* ::before accent 바가 모서리 밖으로 삐져나오지 않도록 */
  transition: box-shadow var(--t), transform var(--t);
  animation: card-in .2s ease;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.memo-card:hover { box-shadow: var(--sh-sm); }

.memo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.memo-card-time {
  font-size: .74rem;
  font-weight: 500;
  color: var(--t3);
  letter-spacing: .01em;
}

.memo-card-body {
  font-size: .9rem;
  line-height: 1.75;
  color: var(--t1);
  white-space: pre-wrap;
  word-break: break-word;
}

.memo-card-img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  border-radius: var(--r);
  background: var(--surface2);
  cursor: zoom-in;
  display: block;
  transition: opacity var(--t);
}
.memo-card-img:hover { opacity: .92; }

/* ⋮ 메뉴 버튼 */
.memo-menu-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--r-sm);
  color: var(--t3);
  font-size: 1rem;
  transition: background var(--t), color var(--t);
  flex-shrink: 0;
}
.memo-menu-btn:hover { background: var(--bg); color: var(--t1); }

/* 드롭다운 메뉴 */
.memo-menu-dropdown {
  position: absolute;
  top: calc(100% - 8px);
  right: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-md);
  z-index: 200;
  min-width: 150px;
  overflow: hidden;
  animation: dropdown-in .12s ease;
}

@keyframes dropdown-in {
  from { opacity: 0; transform: scale(.95) translateY(-4px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.memo-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--t1);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--t);
}
.memo-menu-item:hover { background: var(--surface2); }
.memo-menu-item.danger { color: var(--danger); }
.memo-menu-item.danger:hover { background: var(--danger-light); }

/* 인라인 편집 */
.memo-card.editing .memo-card-body { display: none; }
.memo-edit-textarea {
  width: 100%;
  border: 1.5px solid var(--accent);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  font-family: inherit;
  font-size: .9rem;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  min-height: 80px;
  margin-bottom: 8px;
}

.memo-edit-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ══════════════════════════════════════════════════════════
   파일 툴바 (검색·통계)
══════════════════════════════════════════════════════════ */
.file-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 28px 10px;
  flex-shrink: 0;
}

.file-stats {
  font-size: .8rem;
  font-weight: 600;
  color: var(--t2);
  white-space: nowrap;
}

.file-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: .42rem .85rem;
  flex: 1;
  max-width: 320px;
  transition: border-color var(--t), box-shadow var(--t);
}

.file-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.file-search svg { color: var(--t3); flex-shrink: 0; }

.file-search-input {
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: .875rem;
  color: var(--t1);
  width: 100%;
}
.file-search-input::placeholder { color: var(--t3); }

/* 정렬 표시 */
.file-table th.sortable {
  cursor: pointer;
  user-select: none;
}
.file-table th.sortable:hover { color: var(--t1); }
.sort-icon {
  display: inline-block;
  margin-left: 4px;
  opacity: .4;
  font-size: .65rem;
  vertical-align: middle;
  transition: opacity var(--t);
}
.file-table th.sort-asc .sort-icon,
.file-table th.sort-desc .sort-icon { opacity: 1; color: var(--accent); }
.file-table th.sort-desc .sort-icon { transform: rotate(180deg); }

/* ══════════════════════════════════════════════════════════
   파일 탭 - 업로드 영역
══════════════════════════════════════════════════════════ */
.upload-zone-wrap {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 8px 28px 16px;
  flex-shrink: 0;
}

.upload-zone {
  flex: 1;
  border: 2px dashed var(--border2);
  border-radius: var(--r-lg);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t), background var(--t);
  background: var(--surface);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
}

.upload-zone-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  color: var(--t2);
  transition: background var(--t), color var(--t);
}

.upload-zone:hover .upload-zone-icon,
.upload-zone.drag-over .upload-zone-icon {
  background: var(--accent-light);
  color: var(--accent);
}

.upload-zone-title {
  font-size: .9rem;
  color: var(--t2);
  margin-bottom: 4px;
}
.upload-zone-title strong { color: var(--accent); }
.upload-zone-sub { font-size: .78rem; color: var(--t3); }

/* ── 파일 테이블 ────────────────────────────────────────── */
.file-table-wrap {
  margin: 0 28px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  overflow: hidden;
  flex-shrink: 0;
}

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.file-table thead {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.file-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--t2);
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}

.file-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.file-table tbody tr:last-child td { border-bottom: none; }
.file-table tbody tr:hover { background: var(--surface2); }
.file-table tbody tr.selected { background: var(--accent-light); }

.col-check { width: 38px; text-align: center; }
.col-thumb { width: 48px; }
.col-actions { width: 200px; }

/* 썸네일 */
.thumb {
  width: 36px; height: 36px;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  display: block;
}

.thumb-placeholder {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* 파일명 */
.file-name { font-weight: 500; color: var(--t1); word-break: break-all; }
.file-preview-text {
  font-size: .75rem;
  color: var(--t3);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

/* 뱃지 */
.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: var(--r-sm);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--t2);
}

/* 파일 행 액션 버튼 */
.file-actions { display: flex; gap: 4px; flex-wrap: wrap; }

/* 인라인 이름 변경 */
.rename-input {
  border: 1.5px solid var(--accent);
  border-radius: var(--r-sm);
  padding: .25rem .5rem;
  font-size: .875rem;
  width: 100%;
  outline: none;
}

/* ── 다중 선택 바 ────────────────────────────────────────── */
.bulk-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 28px 12px;
  padding: 10px 14px;
  background: var(--accent-light);
  border: 1px solid #C7D2FE;
  border-radius: var(--r-lg);
  flex-shrink: 0;
}
.bulk-bar.hidden { display: none; }
.bulk-bar-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent-dark);
  flex-shrink: 0;
}
.bulk-bar-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── 빈 상태 ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--t3);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 10px; }
.empty-state p { font-size: .9rem; }

/* ══════════════════════════════════════════════════════════
   버튼 시스템
══════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: .5rem 1rem;
  border-radius: var(--r);
  border: 1.5px solid transparent;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: background var(--t), color var(--t), border-color var(--t),
              box-shadow var(--t), opacity var(--t), transform var(--t);
  user-select: none;
  text-decoration: none;
}

.btn:active:not(:disabled) { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Primary */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 1px 2px rgba(99,102,241,.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: 0 2px 6px rgba(99,102,241,.35);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--t2);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface2); color: var(--t1); }

/* Danger */
.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) {
  background: #B91C1C;
  border-color: #B91C1C;
}

/* Danger soft */
.btn-danger-soft {
  background: var(--danger-light);
  color: var(--danger);
  border-color: #FECACA;
}
.btn-danger-soft:hover:not(:disabled) { background: #FEE2E2; }

/* Ghost danger */
.btn-ghost-danger {
  background: transparent;
  color: var(--danger);
  border-color: transparent;
}
.btn-ghost-danger:hover:not(:disabled) { background: var(--danger-light); }

/* Outline subtle */
.btn-outline-subtle {
  background: var(--surface);
  color: var(--t2);
  border-color: var(--border);
  box-shadow: var(--sh-xs);
}
.btn-outline-subtle:hover:not(:disabled) { background: var(--surface2); color: var(--t1); }

/* Size variants */
.btn-sm {
  padding: .35rem .75rem;
  font-size: .8rem;
  border-radius: var(--r-sm);
}

/* ══════════════════════════════════════════════════════════
   프로그레스 바
══════════════════════════════════════════════════════════ */
.progress-wrap {
  display: none;
  margin: 0 28px 12px;
  flex-shrink: 0;
}
.progress-wrap.visible { display: block; }

.progress-bar-bg {
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #818CF8);
  width: 0%;
  transition: width .3s ease;
  border-radius: 99px;
}

.progress-label {
  font-size: .74rem;
  color: var(--t3);
  margin-top: 4px;
  text-align: right;
}

/* 숨겨진 input */
.file-input-hidden { display: none; }

/* ══════════════════════════════════════════════════════════
   모달
══════════════════════════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  width: 90%;
  max-width: 480px;
  animation: modal-in .18s cubic-bezier(.34,1.56,.64,1);
  overflow: hidden;
}

.modal-sm  { max-width: 360px; }
.modal-lg  { max-width: 580px; }

@keyframes modal-in {
  from { opacity: 0; transform: scale(.93) translateY(12px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}

.modal-header--danger { border-bottom-color: var(--danger-light); }

.modal-title { font-size: 1rem; font-weight: 700; color: var(--t1); }

.modal-close {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--r-sm);
  color: var(--t3);
  transition: background var(--t), color var(--t);
}
.modal-close:hover { background: var(--surface2); color: var(--t1); }

.modal-body {
  padding: 16px 20px;
}

.modal-desc {
  font-size: .875rem;
  color: var(--t2);
  line-height: 1.6;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--border);
}

.modal-footer--spread { justify-content: space-between; }
.modal-footer-right { display: flex; gap: 8px; }

/* ══════════════════════════════════════════════════════════
   디자인 개선 패치
══════════════════════════════════════════════════════════ */

/* 1. 메모 카드 헤더 — 하단 구분선 */
.memo-card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 10px;
}
.memo-card-time { letter-spacing: .02em; }

/* 2. 메모 카드 호버 — 좌측 accent 바 슬라이드인 */
.memo-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: var(--r-lg) 0 0 var(--r-lg);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform var(--t-md);
}
.memo-card:hover::before { transform: scaleY(1); }
.memo-card.pinned::before { transform: scaleY(1); }

/* 3. 메모 카드 삭제 애니메이션 */
.memo-card.removing {
  animation: card-out .22s ease forwards;
  pointer-events: none;
  overflow: hidden;
}
@keyframes card-out {
  from { opacity: 1; transform: translateX(0) scale(1); max-height: 600px; padding: 14px 16px; margin-bottom: 0; }
  to   { opacity: 0; transform: translateX(-12px) scale(.97); max-height: 0; padding: 0; margin: 0; border: none; }
}

/* 4. 저장 버튼 — 비활성/성공 상태 */
.btn-composer:disabled { opacity: .38; cursor: not-allowed; transform: none !important; }
.btn-composer.btn-save-ok {
  background: var(--success) !important;
  border-color: var(--success) !important;
}

/* 5. 사이드바 활성 공간 — 왼쪽 accent 바 */
.space-item.active {
  border-left: 2px solid var(--accent);
  padding-left: 6px;
}

/* 6. 패널 전환 — 부드러운 fade-in */
.panel.active {
  animation: panel-in .15s ease;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 7. 빈 피드 상태 — 첫 메모 유도 버튼 */
.empty-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: .55rem 1.2rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1.5px solid #C7D2FE;
  border-radius: var(--r-lg);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
}
.empty-cta-btn:hover { background: #DDE4FF; transform: translateY(-1px); }

/* 8. URL 링크 — pill 스타일 */
.memo-url-link {
  display: inline;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 4px;
  padding: 1px 5px;
  text-decoration: none;
  font-weight: 500;
  transition: background var(--t);
}
.memo-url-link:hover { background: #DDE4FF; }

/* 9. 파일 테이블 — 호버 시 ⋯ 버튼 fade-in */
.file-row-menu-btn { opacity: .5; transition: opacity var(--t), background var(--t), color var(--t); }
.file-table tbody tr:hover .file-row-menu-btn { opacity: 1; }

/* 10. 이미지 메모 — 오버레이 날짜 */
.memo-card-img-wrap { position: relative; display: block; }
.memo-card-img-time {
  position: absolute;
  bottom: 8px; right: 10px;
  background: rgba(0,0,0,.5);
  color: rgba(255,255,255,.9);
  font-size: .72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 99px;
  pointer-events: none;
}

/* 11. 사이드바 인라인 공간 추가 입력 */
.space-inline-add {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  animation: slide-in .12s ease;
}
.space-inline-input {
  flex: 1;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: .82rem;
  color: var(--sb-text);
  outline: none;
}
.space-inline-input:focus { border-color: var(--accent); }
.space-inline-ok, .space-inline-cancel {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer; border-radius: 4px;
  font-size: .78rem; background: none;
  transition: background var(--t);
}
.space-inline-ok { color: #4ADE80; }
.space-inline-ok:hover { background: rgba(74,222,128,.2); }
.space-inline-cancel { color: var(--sb-muted); }
.space-inline-cancel:hover { background: var(--sb-hover); }

/* 12. 모바일 스와이프 힌트 */
.memo-card.swiping {
  transform: translateX(-40px);
  transition: transform .15s ease;
  background: linear-gradient(to right, var(--surface), #FEE2E2);
}

/* ── 설정 모달 탭 ───────────────────────────────────────── */
.settings-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 14px;
  flex-shrink: 0;
}

.settings-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: .6rem 1rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 600;
  color: var(--t2);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--t), border-color var(--t);
}
.settings-tab-btn:hover { color: var(--t1); }
.settings-tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.settings-tab-panel { display: none; }
.settings-tab-panel.active { display: block; }

/* ── 설정 모달 ──────────────────────────────────────────── */
.settings-body {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  padding: 12px 20px 4px !important;
}

.settings-body::-webkit-scrollbar { width: 6px; }
.settings-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.settings-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
  margin-bottom: 12px;
}

.settings-card-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 700;
  color: var(--t2);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.settings-card-title svg { flex-shrink: 0; opacity: .75; }

/* ══════════════════════════════════════════════════════════
   폼 요소
══════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 14px; }
.form-group:last-child { margin-bottom: 0; }
.form-group--grow { flex: 1; }

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: .55rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-size: .875rem;
  font-family: inherit;
  color: var(--t1);
  background: var(--surface);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}

.form-control::placeholder { color: var(--t3); }

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.form-select {
  width: 100%;
  padding: .55rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-size: .875rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--t1);
  outline: none;
  cursor: pointer;
  transition: border-color var(--t);
}
.form-select:focus { border-color: var(--accent); }

.form-textarea-mono {
  font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
  font-size: .8rem;
  line-height: 1.6;
  resize: vertical;
}

.form-hint {
  display: block;
  font-size: .75rem;
  color: var(--t3);
  margin-top: 5px;
  line-height: 1.4;
}

/* 단위 있는 입력 */
.input-with-unit {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-unit {
  font-size: .8rem;
  color: var(--t2);
  font-weight: 500;
  white-space: nowrap;
}

/* 파비콘 피커 */
.favicon-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.favicon-input {
  text-align: center;
  font-size: 1.2rem;
  padding: .4rem .5rem;
}

.favicon-preview {
  font-size: 1.8rem;
  line-height: 1;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════
   토스트 알림
══════════════════════════════════════════════════════════ */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  animation: toast-in .25s cubic-bezier(.34,1.56,.64,1);
  backdrop-filter: blur(8px);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px) scale(.95); }
  to   { opacity: 1; transform: translateX(0)    scale(1); }
}

.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast-msg  { flex: 1; line-height: 1.45; }

.toast.success { background: #166534; color: #fff; }
.toast.error   { background: #991B1B; color: #fff; }
.toast.info    { background: #1E40AF; color: #fff; }
.toast.warning { background: #92400E; color: #fff; }

/* ══════════════════════════════════════════════════════════
   이미지 미리보기 오버레이
══════════════════════════════════════════════════════════ */
.img-preview-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(12px);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  animation: fade-in .15s ease;
}
.img-preview-overlay.open { display: flex; }

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.img-preview-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t);
  z-index: 10;
}
.img-preview-close:hover { background: rgba(255,255,255,.22); }

.img-preview-content {
  max-width: calc(100vw - 140px);
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.img-preview-content img {
  max-width: 100%;
  max-height: calc(100vh - 130px);
  object-fit: contain;
  border-radius: var(--r);
  box-shadow: var(--sh-xl);
  animation: preview-zoom .15s ease;
}

@keyframes preview-zoom {
  from { transform: scale(.95); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.img-preview-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.7);
  font-size: .82rem;
}
.img-preview-name { font-weight: 500; color: rgba(255,255,255,.9); }
.img-preview-size {}

.img-preview-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t);
}
.img-preview-nav:hover { background: rgba(255,255,255,.22); }
.img-preview-prev { left: 20px; }
.img-preview-next { right: 20px; }

/* 파일 행 ⋯ 메뉴 */
.file-row-menu-wrap { position: relative; }
.file-row-menu-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: none; background: none; cursor: pointer;
  border-radius: var(--r-sm); color: var(--t3);
  transition: background var(--t), color var(--t);
}
.file-row-menu-btn:hover { background: var(--surface2); color: var(--t1); }

.file-row-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-md);
  z-index: 200;
  min-width: 160px;
  overflow: hidden;
  animation: dropdown-in .12s ease;
}

/* ── 메뉴 아이콘 (SVG 줄바꿈 없이) ─────────────────────── */
.menu-item-icon {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: currentColor; opacity: .75;
}

/* ══════════════════════════════════════════════════════════
   다크 모드
══════════════════════════════════════════════════════════ */
[data-theme="dark"] {
  --bg:       #141416;
  --surface:  #1C1C1E;
  --surface2: #252528;
  --border:   #2C2C30;
  --border2:  #3A3A3E;
  --t1:       #EBEBF0;
  --t2:       #8E8E93;
  --t3:       #636366;
  --accent-light: rgba(99,102,241,.15);
  --success-light: rgba(22,163,74,.15);
  --danger-light:  rgba(220,38,38,.15);
}
[data-theme="dark"] .file-table tbody tr:hover { background: var(--surface2); }
[data-theme="dark"] .file-table tbody tr.selected { background: var(--accent-light); }

/* ══════════════════════════════════════════════════════════
   메모 피드 뷰 모드 (compact / expanded)
══════════════════════════════════════════════════════════ */
/* Compact: 내용 1줄 요약 */
.memo-feed.view-compact .memo-card-body {
  max-height: 1.8em;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.memo-feed.view-compact .memo-card-img { max-height: 100px; }
.memo-feed.view-compact .memo-card { padding: 8px 14px; }
/* Expanded: 내용 전체 표시 (기본) */

/* 핀된 메모 스타일 */
.memo-card.pinned {
  border-left: 3px solid var(--accent);
}
.pin-btn {
  width: 22px; height: 22px;
  background: none; border: none; cursor: pointer;
  border-radius: 4px; color: var(--t3);
  transition: color var(--t), background var(--t);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}
.pin-btn:hover { color: var(--accent); background: var(--accent-light); }
.pin-btn.active { color: var(--accent); }

/* 메모 검색 / 정렬 / 뷰 툴바 */
.memo-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 28px 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.memo-search-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: .38rem .75rem;
  flex: 1;
  min-width: 160px;
  max-width: 280px;
  transition: border-color var(--t), box-shadow var(--t);
}
.memo-search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.memo-search-wrap svg { color: var(--t3); flex-shrink: 0; }
.memo-search-input {
  border: none; outline: none; background: transparent;
  font-family: inherit; font-size: .85rem; color: var(--t1); width: 100%;
}
.memo-search-input::placeholder { color: var(--t3); }

.view-btn {
  width: 30px; height: 30px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--t2);
  transition: all var(--t);
}
.view-btn:hover, .view-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.sort-toggle-btn {
  display: flex; align-items: center; gap: 4px;
  padding: .35rem .7rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  cursor: pointer;
  font-size: .78rem; font-weight: 600;
  color: var(--t2);
  transition: all var(--t);
}
.sort-toggle-btn:hover { background: var(--surface2); }

/* 다크 모드 토글 버튼 */
.theme-toggle-btn {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: none;
  border: 1.5px solid var(--sb-border);
  color: var(--sb-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t), color var(--t);
}
.theme-toggle-btn:hover { background: var(--sb-hover); color: var(--sb-text); }

/* 검색 결과 하이라이트 */
.search-highlight {
  background: rgba(99,102,241,.25);
  border-radius: 2px;
  padding: 0 1px;
}

/* 이동 서브메뉴 */
.move-submenu {
  position: absolute;
  top: 0;
  left: calc(100% + 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-md);
  z-index: 300;
  min-width: 150px;
  overflow: hidden;
  animation: dropdown-in .12s ease;
}
.move-submenu-item {
  display: block;
  padding: 8px 14px;
  font-size: .85rem;
  cursor: pointer;
  color: var(--t1);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--t);
}
.move-submenu-item:hover { background: var(--surface2); }

/* ══════════════════════════════════════════════════════════
   PIN 화면
══════════════════════════════════════════════════════════ */
.pin-screen {
  position: fixed;
  inset: 0;
  background: var(--sb-bg);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
}
.pin-screen.hidden { display: none; }

.pin-box {
  background: #252528;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-xl);
  padding: 36px 32px;
  width: 90%;
  max-width: 340px;
  text-align: center;
}

.pin-box-icon { font-size: 2.5rem; margin-bottom: 12px; }
.pin-box-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.pin-box-sub { font-size: .82rem; color: rgba(255,255,255,.5); margin-bottom: 20px; }

.pin-input-wrap {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.pin-digit {
  width: 48px; height: 56px;
  border: 2px solid rgba(255,255,255,.18);
  border-radius: var(--r);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color var(--t);
  -webkit-text-security: disc;
  input-security: disc;
}
.pin-digit:focus { border-color: var(--accent); }
.pin-digit.filled { border-color: rgba(255,255,255,.4); }

.pin-error {
  font-size: .8rem;
  color: #F87171;
  min-height: 18px;
  margin-bottom: 8px;
}

.pin-submit-btn {
  width: 100%;
  padding: .65rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t);
}
.pin-submit-btn:hover { background: var(--accent-dark); }
.pin-submit-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ══════════════════════════════════════════════════════════
   모바일 햄버거 & 오버레이
══════════════════════════════════════════════════════════ */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: var(--sb-bg);
  border-bottom: 1px solid var(--sb-border);
  z-index: 150;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
}

.hamburger-btn {
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer;
  border-radius: var(--r-sm);
  color: var(--sb-text);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.hamburger-btn span {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: all var(--t);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}
.mobile-overlay.visible { display: block; }

/* PIN 설정 섹션 (settings 모달 내) */
.pin-settings-section { margin-top: 8px; }
.pin-settings-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

/* ══════════════════════════════════════════════════════════
   반응형 (모바일)
══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* 모바일 상단바 표시 */
  .mobile-topbar { display: flex; }

  /* 앱 셸 상단 여백 */
  .app-shell { padding-top: 52px; height: calc(100vh - 52px); margin-top: 52px; }

  /* 사이드바 오버레이 방식 */
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform var(--t-md);
    height: 100vh;
    z-index: 120;
    width: var(--sb-w);
  }
  .sidebar.sidebar-open { transform: translateX(0); }

  /* 검색 트리거, 도구 패널 모바일 조정 */
  .search-trigger { display: none !important; }
  .cal-container, .todo-container, .bm-container, .secure-container { padding-left: 16px; padding-right: 16px; padding-bottom: 80px; }

  /* 메인 영역은 전체 너비 */
  .main-area { width: 100%; }

  /* 기본 모바일: 사이드바 아이콘만 표시 */
  .workspace-name, .nav-item-label,
  .nav-group-header, .nav-group-label,
  .space-item-name, .space-item-actions,
  .composer-hint { display: none !important; }

  .sidebar-header { justify-content: center; padding: 14px 8px; }
  .nav-item { justify-content: center; padding: 10px 8px; margin: 0; width: 100%; }
  .space-item { justify-content: center; padding: 8px; }
  .nav-add-btn { display: none; }
  .sidebar-footer { padding: 8px 0; }

  /* 사이드바가 열렸을 때: 이름 표시 */
  .sidebar.sidebar-open .workspace-name { display: block !important; }
  .sidebar.sidebar-open .nav-item-label { display: block !important; }
  .sidebar.sidebar-open .nav-group-header { display: flex !important; }
  .sidebar.sidebar-open .nav-group-label { display: block !important; }
  .sidebar.sidebar-open .space-item-name { display: block !important; }
  .sidebar.sidebar-open .nav-add-btn { display: flex !important; }
  .sidebar.sidebar-open .sidebar-header { justify-content: flex-start; padding: 18px 14px 14px; }
  .sidebar.sidebar-open .nav-item { justify-content: flex-start; padding: 11px 12px; margin: 0 6px; width: calc(100% - 12px); }
  .sidebar.sidebar-open .space-item { justify-content: flex-start; padding: 10px 8px; }
  .sidebar.sidebar-open .sidebar-footer { padding: 8px 6px 12px; }

  .panel-topbar { padding: 12px 16px 6px; }
  .memo-toolbar { padding: 4px 16px 8px; }
  .composer { margin: 8px 16px 12px; }
  .memo-feed { padding: 0 16px 32px; }
  .upload-zone-wrap { padding: 8px 16px 12px; }
  .bulk-bar { margin: 0 16px 10px; }
  .file-table-wrap { margin: 0 16px 32px; }
  .file-toolbar { padding: 6px 16px 10px; }

  .file-table th:nth-child(4),
  .file-table td:nth-child(4),
  .file-table th:nth-child(5),
  .file-table td:nth-child(5) { display: none; }

  #toast-container { right: 8px; left: 8px; max-width: none; }
}

/* ══════════════════════════════════════════════════════════
   설정 모달 — 추가 컴포넌트
══════════════════════════════════════════════════════════ */

/* ── 토글 스위치 ─────────────────────────────────────────── */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  cursor: pointer;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border2);
  border-radius: 24px;
  transition: background var(--t-md);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--t-md);
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── 설정 행 (iOS 스타일) ────────────────────────────────── */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; padding-bottom: 0; }
.settings-row:first-child { padding-top: 0; }

.settings-row-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.settings-row-title {
  font-size: .875rem;
  font-weight: 500;
  color: var(--t1);
}
.settings-row-desc {
  font-size: .74rem;
  color: var(--t3);
  line-height: 1.4;
}
.settings-select {
  min-width: 130px;
  width: auto;
  flex-shrink: 0;
  padding: .4rem .75rem;
}

/* ── 저장 공간 통계 ─────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.stats-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 12px 14px;
}
.stats-item-label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--t3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}
.stats-item-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--t1);
}
.stats-item-sub {
  font-size: .74rem;
  color: var(--t3);
  margin-top: 2px;
}
.stats-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--accent-light);
  border: 1px solid #C7D2FE;
  border-radius: var(--r);
}
.stats-total-label { font-size: .82rem; color: var(--accent-dark); font-weight: 600; }
.stats-total-value { font-size: 1rem; font-weight: 700; color: var(--accent-dark); }

/* ── 정보 행 ────────────────────────────────────────────── */
.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
}
.info-row:last-child { border-bottom: none; padding-bottom: 0; }
.info-row:first-child { padding-top: 0; }
.info-label { color: var(--t2); font-weight: 500; }
.info-value { color: var(--t1); font-weight: 600; }
.info-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid #C7D2FE;
  border-radius: var(--r-sm);
  padding: .15rem .55rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.info-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: .85rem;
}
.info-link:hover { text-decoration: underline; }

/* PIN 상태 뱃지 */
.pin-status-badge {
  font-size: .85rem;
  margin-bottom: 8px;
  min-height: 20px;
}

/* ══════════════════════════════════════════════════════════
   공유 링크 모달
══════════════════════════════════════════════════════════ */

/* 파일 정보 */
.share-file-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: .85rem;
}
.share-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.share-info-row span { color: var(--t3); flex-shrink: 0; }
.share-info-row strong { color: var(--t1); word-break: break-all; }

/* 만료 시간 선택 버튼 */
.share-expire-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.expire-btn {
  padding: .35rem .8rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--t2);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t);
}
.expire-btn:hover { border-color: var(--accent); color: var(--accent); }
.expire-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* URL 행 */
.share-url-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}
.share-url-input {
  font-family: 'SF Mono', 'Consolas', monospace !important;
  font-size: .78rem !important;
  color: var(--accent) !important;
  cursor: text;
  background: var(--surface2) !important;
}

/* ══════════════════════════════════════════════════════════
   달력 메모
══════════════════════════════════════════════════════════ */
.cal-container { padding: 0 28px 40px; }
.cal-nav {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  margin-bottom: 16px;
}
.cal-month-label { font-size: 1rem; font-weight: 700; color: var(--t1); min-width: 120px; text-align: center; }
.cal-weekdays {
  display: grid; grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
}
.cal-weekdays span {
  text-align: center; font-size: .72rem; font-weight: 700;
  color: var(--t3); padding: 4px 0; text-transform: uppercase; letter-spacing: .04em;
}
.cal-weekdays span.sunday { color: #EF4444; }
.cal-weekdays span.saturday { color: #3B82F6; }
.cal-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 3px; margin-bottom: 20px;
}
.cal-day {
  position: relative; min-height: 52px; padding: 4px 6px;
  border-radius: var(--r-sm); cursor: pointer;
  border: 1.5px solid transparent;
  transition: background var(--t), border-color var(--t);
  display: flex; flex-direction: column; align-items: flex-start;
}
.cal-day:hover { background: var(--surface2); }
.cal-day.empty { cursor: default; background: none !important; }
.cal-day.today { background: var(--accent-light); border-color: var(--accent); }
.cal-day.selected { border-color: var(--accent); background: var(--accent-light); }
.cal-day.has-note .cal-day-num { color: var(--t1); font-weight: 700; }
.cal-day.sunday .cal-day-num { color: #EF4444; }
.cal-day.saturday .cal-day-num { color: #3B82F6; }
.cal-day-num { font-size: .82rem; font-weight: 500; color: var(--t2); }
.cal-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); margin-top: auto; align-self: flex-end;
}
.cal-editor {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 16px; box-shadow: var(--sh-sm);
}
.cal-editor.hidden { display: none; }
.cal-editor-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.cal-editor-header strong { font-size: .9rem; color: var(--t1); }
.cal-textarea { min-height: 100px; resize: vertical; margin-bottom: 10px; }
.cal-editor-footer { display: flex; justify-content: flex-end; gap: 8px; }

/* ══════════════════════════════════════════════════════════
   할일 목록
══════════════════════════════════════════════════════════ */
.todo-container { padding: 0 28px 40px; }
.todo-input-row {
  display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap;
}
.todo-input-row .form-control { flex: 1; min-width: 160px; }
.todo-cat-sel { width: auto; min-width: 90px; flex-shrink: 0; }
.todo-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.todo-stats-label { font-size: .8rem; color: var(--t2); font-weight: 500; }
.todo-list { display: flex; flex-direction: column; gap: 6px; }
.todo-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 12px 14px;
  box-shadow: var(--sh-xs); transition: opacity var(--t);
}
.todo-item.done { opacity: .6; }
.todo-item.done .todo-text { text-decoration: line-through; color: var(--t3); }
.todo-check-wrap { display: flex; align-items: center; cursor: pointer; flex-shrink: 0; }
.todo-check-wrap input { display: none; }
.todo-custom-check {
  width: 18px; height: 18px; border: 2px solid var(--border2); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t); flex-shrink: 0;
}
.todo-check-wrap input:checked + .todo-custom-check {
  background: var(--accent); border-color: var(--accent);
}
.todo-check-wrap input:checked + .todo-custom-check::after {
  content: '✓'; font-size: 11px; color: #fff; font-weight: 700;
}
.todo-text { flex: 1; font-size: .875rem; color: var(--t1); word-break: break-word; }
.todo-cat-badge {
  padding: 2px 7px; border-radius: 99px; font-size: .72rem; font-weight: 600;
  flex-shrink: 0;
}
.todo-del-btn {
  width: 22px; height: 22px; border: none; background: none; cursor: pointer;
  border-radius: 4px; color: var(--t3); display: flex; align-items: center; justify-content: center;
  transition: color var(--t), background var(--t); flex-shrink: 0; opacity: 0;
}
.todo-item:hover .todo-del-btn { opacity: 1; }
.todo-del-btn:hover { color: var(--danger); background: var(--danger-light); }
.todo-empty { text-align: center; padding: 48px 16px; color: var(--t3); font-size: .9rem; }

/* ══════════════════════════════════════════════════════════
   북마크
══════════════════════════════════════════════════════════ */
.bm-container { padding: 0 28px 40px; }
.bm-input-row {
  display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap;
}
.bm-input-row .form-control { flex: 1; min-width: 200px; }
.bm-list { display: flex; flex-direction: column; gap: 10px; }
.bm-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 14px 16px; box-shadow: var(--sh-xs);
  transition: box-shadow var(--t);
}
.bm-card:hover { box-shadow: var(--sh-sm); }
.bm-card-header { display: flex; align-items: flex-start; gap: 12px; }
.bm-favicon { width: 20px; height: 20px; border-radius: 4px; object-fit: contain; flex-shrink: 0; margin-top: 2px; }
.bm-favicon-ph { font-size: 1.1rem; flex-shrink: 0; width: 20px; text-align: center; }
.bm-card-info { flex: 1; min-width: 0; }
.bm-title {
  display: block; font-weight: 600; font-size: .9rem; color: var(--accent);
  text-decoration: none; margin-bottom: 2px; word-break: break-word;
}
.bm-title:hover { text-decoration: underline; }
.bm-desc { font-size: .78rem; color: var(--t2); margin: 2px 0; line-height: 1.4; }
.bm-url { font-size: .72rem; color: var(--t3); word-break: break-all; }
.bm-del-btn {
  width: 24px; height: 24px; border: none; background: none; cursor: pointer;
  border-radius: 4px; color: var(--t3); display: flex; align-items: center; justify-content: center;
  transition: color var(--t), background var(--t); flex-shrink: 0; opacity: 0;
}
.bm-card:hover .bm-del-btn { opacity: 1; }
.bm-del-btn:hover { color: var(--danger); background: var(--danger-light); }
.bm-empty { text-align: center; padding: 48px 16px; color: var(--t3); font-size: .9rem; }

/* ══════════════════════════════════════════════════════════
   안전한 메모
══════════════════════════════════════════════════════════ */
.secure-container { padding: 0 28px 40px; }
.secure-notice {
  display: flex; align-items: center; gap: 8px;
  background: #FEF9C3; border: 1px solid #FDE047;
  border-radius: var(--r); padding: 10px 14px; margin-bottom: 16px;
  font-size: .8rem; color: #713F12;
}
[data-theme="dark"] .secure-notice { background: rgba(254,249,195,.1); border-color: rgba(253,224,71,.3); color: #FDE047; }
.secure-list { display: flex; flex-direction: column; gap: 10px; }
.secure-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 14px 16px; box-shadow: var(--sh-xs);
}
.secure-card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.secure-cat-badge {
  padding: 2px 8px; border-radius: 99px; font-size: .72rem; font-weight: 700;
  flex-shrink: 0; letter-spacing: .02em;
}
.secure-label { flex: 1; font-weight: 600; font-size: .875rem; color: var(--t1); }
.secure-del-btn {
  width: 22px; height: 22px; border: none; background: none; cursor: pointer;
  border-radius: 4px; color: var(--t3); display: flex; align-items: center; justify-content: center;
  transition: color var(--t), background var(--t); opacity: 0;
}
.secure-card:hover .secure-del-btn { opacity: 1; }
.secure-del-btn:hover { color: var(--danger); background: var(--danger-light); }
.secure-value-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface2); border-radius: var(--r-sm); padding: 8px 12px;
}
.secure-value {
  flex: 1; font-family: 'SF Mono', 'Consolas', monospace;
  font-size: .9rem; color: var(--t1); letter-spacing: .08em; word-break: break-all;
}
.secure-value-actions { display: flex; gap: 4px; flex-shrink: 0; }
.secure-note { font-size: .78rem; color: var(--t3); margin-top: 8px; }
.secure-empty { text-align: center; padding: 48px 16px; color: var(--t3); font-size: .9rem; }

/* ══════════════════════════════════════════════════════════
   UI/UX 개선 - 도구 메뉴
══════════════════════════════════════════════════════════ */

/* ── 할일: 필터 탭 ─────────────────────────────────────── */
.todo-filter-tabs {
  display: flex; gap: 4px; margin-bottom: 10px;
}
.todo-filter-btn {
  padding: .3rem .9rem; border: 1.5px solid var(--border);
  border-radius: var(--r-sm); background: var(--surface);
  font-size: .8rem; font-weight: 600; color: var(--t2);
  cursor: pointer; transition: all var(--t);
}
.todo-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.todo-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── 할일: 진행률 바 ────────────────────────────────────── */
.todo-prog-wrap {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.todo-prog-bg {
  flex: 1; height: 5px; background: var(--border); border-radius: 99px; overflow: hidden;
}
.todo-prog-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), #818CF8);
  border-radius: 99px; transition: width .5s ease; width: 0%;
}
.todo-prog-label { font-size: .72rem; color: var(--t3); white-space: nowrap; flex-shrink: 0; }

/* ── 할일: 마감일 표시 ─────────────────────────────────── */
.todo-text-wrap { flex: 1; display: flex; flex-direction: column; gap: 2px; cursor: pointer; min-width: 0; }
.todo-due { font-size: .72rem; color: var(--t3); }
.todo-due.overdue { color: var(--danger); font-weight: 600; }
.todo-due.duetoday { color: var(--warning); font-weight: 600; }

/* ── 할일: 인라인 수정 입력 ─────────────────────────────── */
.todo-edit-input {
  border: 1.5px solid var(--accent); border-radius: var(--r-sm);
  padding: 2px 6px; font-size: .875rem; font-family: inherit;
  color: var(--t1); background: var(--surface); outline: none; width: 100%;
}

/* ── 북마크: 툴바 ──────────────────────────────────────── */
.bm-toolbar-row {
  display: flex; gap: 8px; align-items: center; margin-bottom: 8px;
}
.bm-search-input { flex: 1; }
.bm-view-btns { display: flex; gap: 4px; flex-shrink: 0; }
.bm-view-btn {
  width: 30px; height: 30px; border: 1.5px solid var(--border);
  border-radius: var(--r-sm); background: var(--surface); cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: var(--t2);
  transition: all var(--t);
}
.bm-view-btn.active, .bm-view-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── 북마크: 태그 필터 바 ──────────────────────────────── */
.bm-tag-filter-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.bm-tag-filter-btn {
  padding: .2rem .7rem; border: 1.5px solid var(--border);
  border-radius: 99px; background: var(--surface); font-size: .75rem;
  font-weight: 600; color: var(--t2); cursor: pointer; transition: all var(--t);
}
.bm-tag-filter-btn.active, .bm-tag-filter-btn:hover {
  background: var(--accent-light); color: var(--accent); border-color: var(--accent);
}

/* ── 북마크: 추가 입력 필드 ─────────────────────────────── */
.bm-extra-fields {
  display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap;
}
.bm-extra-fields .form-control { flex: 1; min-width: 120px; }
.bm-note { font-size: .75rem; color: var(--t2); font-style: italic; margin-top: 4px; }
.bm-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.bm-tag {
  padding: 1px 7px; background: var(--accent-light); color: var(--accent);
  border-radius: 99px; font-size: .72rem; font-weight: 600; cursor: pointer;
  transition: background var(--t);
}
.bm-tag:hover { background: #DDE4FF; }

/* ── 북마크: 그리드 뷰 ─────────────────────────────────── */
.bm-list.bm-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px;
}
.bm-list.bm-grid .bm-card { height: 100%; }

/* ── 안전한 메모: 필터 탭 ──────────────────────────────── */
.secure-filter-tabs {
  display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap;
}
.secure-filter-btn {
  padding: .3rem .9rem; border: 1.5px solid var(--border);
  border-radius: var(--r-sm); background: var(--surface);
  font-size: .8rem; font-weight: 600; color: var(--t2);
  cursor: pointer; transition: all var(--t);
}
.secure-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.secure-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ══════════════════════════════════════════════════════════
   상업용 수준 UI/UX 개선
══════════════════════════════════════════════════════════ */

/* ── 스켈레톤 로딩 ─────────────────────────────────────── */
@keyframes skeleton-pulse {
  0%,100% { opacity: 1; }
  50% { opacity: .4; }
}
.skeleton {
  background: var(--border);
  border-radius: var(--r-sm);
  animation: skeleton-pulse 1.4s ease infinite;
}
.skeleton-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 14px 16px; margin-bottom: 10px;
}
.skeleton-line {
  height: 12px; border-radius: 99px; margin-bottom: 8px;
  background: var(--border); animation: skeleton-pulse 1.4s ease infinite;
}
.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.full { width: 100%; }
.skeleton-line.title { height: 16px; width: 60%; margin-bottom: 12px; }

/* ── 포커스 링 (접근성) - 버튼/링크에만 적용, 입력 요소는 자체 스타일 사용 ─── */
button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
/* 입력 요소는 자체 focus 스타일(border + box-shadow) 사용 */
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
}

/* ── 완료 체크 애니메이션 ────────────────────────────────── */
@keyframes check-bounce {
  0% { transform: scale(.8); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.todo-check-wrap input:checked + .todo-custom-check {
  animation: check-bounce .2s ease;
}
.todo-item.done .todo-text-wrap { pointer-events: none; }

/* ── 카드 추가 애니메이션 개선 ──────────────────────────── */
@keyframes card-drop {
  from { opacity: 0; transform: translateY(-10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.todo-item:first-child { animation: card-drop .2s ease; }
.bm-card:first-child  { animation: card-drop .2s ease; }
.secure-card:first-child { animation: card-drop .2s ease; }

/* ── 반응형 사이드바: 아이콘 전용 (1024px 이하) ────────── */
@media (max-width: 1200px) and (min-width: 769px) {
  .sidebar { width: 56px; }
  .workspace-name, .nav-item-label,
  .nav-group-header, .nav-group-label,
  .space-item-name, .space-item-actions { display: none !important; }
  .sidebar-header { justify-content: center; padding: 14px 8px; }
  .nav-item { justify-content: center; padding: 10px 8px; margin: 0 4px; width: calc(100% - 8px); }
  .space-item { justify-content: center; padding: 8px 4px; }
  .nav-add-btn { display: none; }
  .sidebar-footer { padding: 8px 4px; }
  .search-trigger { display: none !important; }
  .nav-item:hover::after {
    content: attr(title);
    position: absolute; left: 60px; top: 50%; transform: translateY(-50%);
    background: rgba(0,0,0,.8); color: #fff; padding: 4px 10px;
    border-radius: var(--r-sm); font-size: .78rem; white-space: nowrap;
    z-index: 999; pointer-events: none;
  }
}

/* ── 모바일 하단 네비게이션 ─────────────────────────────── */
.mobile-bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  height: 56px; background: var(--sb-bg);
  border-top: 1px solid var(--sb-border);
  z-index: 149; padding: 0 8px;
  align-items: center; justify-content: space-around;
}
.mob-nav-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 12px; border: none; background: none; cursor: pointer;
  color: var(--sb-muted); border-radius: var(--r-sm);
  transition: color var(--t), background var(--t); font-size: .62rem; font-weight: 600;
}
.mob-nav-btn.active { color: var(--accent); }
.mob-nav-btn svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .mobile-bottom-nav { display: flex; }
  .app-shell { padding-bottom: 56px; }
}

/* ── 전역 검색 모달 ─────────────────────────────────────── */
.search-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  z-index: 2000; align-items: flex-start; justify-content: center; padding: 80px 16px 16px;
}
.search-modal-overlay.open { display: flex; }
.search-modal {
  background: var(--surface); border-radius: var(--r-xl);
  box-shadow: var(--sh-xl); width: 100%; max-width: 560px;
  overflow: hidden; animation: modal-in .15s ease;
}
.search-input-wrap {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.search-input-wrap svg { color: var(--t3); flex-shrink: 0; }
.search-kbd { font-size: .7rem; color: var(--t3); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; }
#global-search-input {
  flex: 1; border: none; outline: none; font-family: inherit;
  font-size: 1rem; color: var(--t1); background: transparent;
}
#global-search-input::placeholder { color: var(--t3); }
.search-results { max-height: 400px; overflow-y: auto; }
.search-result-group { padding: 8px 0; }
.search-result-label {
  font-size: .7rem; font-weight: 700; color: var(--t3);
  text-transform: uppercase; letter-spacing: .06em;
  padding: 4px 16px; margin-bottom: 2px;
}
.search-result-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; cursor: pointer; transition: background var(--t);
  border: none; background: none; width: 100%; text-align: left;
}
.search-result-item:hover, .search-result-item.focused { background: var(--surface2); }
.search-result-icon { font-size: 1rem; flex-shrink: 0; width: 20px; text-align: center; }
.search-result-text { flex: 1; min-width: 0; }
.search-result-title { font-size: .875rem; font-weight: 500; color: var(--t1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-sub { font-size: .75rem; color: var(--t3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-mark { background: var(--accent-light); color: var(--accent); border-radius: 2px; padding: 0 2px; }
.search-empty { text-align: center; padding: 32px 16px; color: var(--t3); font-size: .875rem; }
.search-footer {
  padding: 8px 16px; border-top: 1px solid var(--border);
  display: flex; gap: 16px; align-items: center;
}
.search-footer-hint { font-size: .72rem; color: var(--t3); display: flex; align-items: center; gap: 4px; }
.search-footer-hint kbd {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 3px; padding: 1px 5px; font-size: .68rem; font-family: inherit;
}

/* ── 색상 테마 커스텀 ────────────────────────────────────── */
.color-picker-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.color-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; transition: border-color var(--t), transform var(--t);
  flex-shrink: 0;
}
.color-swatch:hover { transform: scale(1.1); }
.color-swatch.active { border-color: var(--t1); box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent); }

/* ── 마크다운 렌더링 ─────────────────────────────────────── */
.md-rendered h1, .md-rendered h2, .md-rendered h3 { font-weight: 700; line-height: 1.3; margin: 8px 0 4px; color: var(--t1); }
.md-rendered h1 { font-size: 1.2rem; }
.md-rendered h2 { font-size: 1.05rem; }
.md-rendered h3 { font-size: .95rem; }
.md-rendered strong { font-weight: 700; color: var(--t1); }
.md-rendered em { font-style: italic; }
.md-rendered code {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: .82rem; background: var(--surface2);
  border: 1px solid var(--border); border-radius: 3px; padding: 1px 5px;
}
.md-rendered pre {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 12px; margin: 6px 0;
  overflow-x: auto; font-family: 'SF Mono', 'Consolas', monospace; font-size: .82rem;
}
.md-rendered ul, .md-rendered ol { padding-left: 18px; margin: 4px 0; }
.md-rendered li { margin-bottom: 2px; line-height: 1.6; }
.md-rendered blockquote {
  border-left: 3px solid var(--accent); padding-left: 10px;
  margin: 6px 0; color: var(--t2); font-style: italic;
}
.md-rendered hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }
.md-rendered a { color: var(--accent); text-decoration: none; }
.md-rendered a:hover { text-decoration: underline; }
.md-rendered p { margin: 4px 0; }

/* ── Undo 토스트 ─────────────────────────────────────────── */
.toast-undo-btn {
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.3);
  color: #fff; border-radius: var(--r-sm); padding: 3px 10px;
  font-size: .78rem; font-weight: 700; cursor: pointer; flex-shrink: 0;
  transition: background var(--t); margin-left: 4px;
}
.toast-undo-btn:hover { background: rgba(255,255,255,.3); }

/* ── 에러 상태 개선 ──────────────────────────────────────── */
.error-state {
  text-align: center; padding: 48px 20px; color: var(--t3);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.error-state-icon { font-size: 2.5rem; opacity: .5; }
.error-state-title { font-size: .9rem; font-weight: 600; color: var(--t2); }
.error-state-desc { font-size: .8rem; }
.error-retry-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: .4rem 1rem; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r); font-size: .82rem; font-weight: 600; color: var(--t2);
  cursor: pointer; transition: all var(--t);
}
.error-retry-btn:hover { background: var(--surface2); color: var(--t1); }

/* ── 내보내기 ─────────────────────────────────────────────── */
.export-options { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.export-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: .45rem 1rem; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r); font-size: .82rem; font-weight: 600; color: var(--t2);
  cursor: pointer; transition: all var(--t); box-shadow: var(--sh-xs);
}
.export-btn:hover { background: var(--surface2); color: var(--t1); border-color: var(--accent); }

/* ── 전역 검색 버튼 (사이드바) ──────────────────────────── */
.search-trigger {
  display: flex; align-items: center; gap: 8px;
  margin: 8px 6px; padding: 8px 10px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm); cursor: pointer; color: var(--sb-muted);
  font-size: .8rem; transition: all var(--t);
}
.search-trigger:hover { background: rgba(255,255,255,.1); color: var(--sb-text); }
.search-trigger-text { flex: 1; }
.search-trigger-kbd { font-size: .68rem; opacity: .6; border: 1px solid rgba(255,255,255,.2); border-radius: 3px; padding: 1px 5px; }

/* ── 다크모드 색상 커스텀 대응 ──────────────────────────── */
[data-theme="dark"] .search-modal { background: var(--surface); }
[data-theme="dark"] .search-result-item:hover { background: var(--surface2); }

/* ── 할일 드래그 순서 변경 ──────────────────────────────── */
.todo-item[draggable="true"] { cursor: grab; }
.todo-item[draggable="true"]:active { cursor: grabbing; }
.todo-item.dragging {
  opacity: .35;
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ── 북마크 파비콘 첫 글자 아바타 ─────────────────────── */
.bm-favicon-letter {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 700; color: #fff;
  flex-shrink: 0; user-select: none;
}