/* =========================================================
   CloudSync Timer Notes - 自訂樣式
   風格：深太空黑 × 靛紫光譜 × 精緻玻璃擬態
   ========================================================= */

/* ── Google Fonts 引入 ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ══════════════════════════════════════
   需求1：Light / Dark 主題變數
   預設 Light，data-theme="dark" 切換暗色
   ══════════════════════════════════════ */

/* ── Light 主題（預設） ── */
:root,
[data-theme="light"] {
  --bg-base:         #f4f6fb;
  --bg-surface:      #ffffff;
  --bg-card:         #ffffff;
  --bg-elevated:     #f0f2f8;
  --bg-hover:        #e8ecf5;

  --border-subtle:   rgba(0,0,0,0.08);
  --border-default:  rgba(0,0,0,0.14);
  --border-focus:    rgba(99,102,241,0.5);

  --text-primary:    #1a1d2e;
  --text-secondary:  #4b5068;
  --text-muted:      #8b90a8;

  --accent-primary:  #6366f1;
  --accent-hover:    #4f52d4;

  --danger:  #dc2626;
  --warning: #d97706;
  --success: #16a34a;

  --shadow-card: 0 1px 4px rgba(0,0,0,0.10), 0 4px 16px rgba(0,0,0,0.06);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);

  /* 主題相關特殊背景 */
  --topbar-bg:         rgba(240,242,248,0.92);
  --bottomnav-bg:      rgba(255,255,255,0.95);
  --overlay-bg:        rgba(200,205,220,0.6);
  --modal-overlay-bg:  rgba(100,110,140,0.5);
}

/* ── Dark 主題 ── */
[data-theme="dark"] {
  --bg-base:         #0a0c12;
  --bg-surface:      #0f1117;
  --bg-card:         #161821;
  --bg-elevated:     #1e2030;
  --bg-hover:        #252840;

  --border-subtle:   rgba(255,255,255,0.06);
  --border-default:  rgba(255,255,255,0.10);
  --border-focus:    rgba(99,102,241,0.6);

  --text-primary:    #e8eaf0;
  --text-secondary:  #8b90a8;
  --text-muted:      #4b5068;

  --accent-primary:  #6366f1;
  --accent-hover:    #818cf8;

  --danger:  #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);

  /* 主題相關特殊背景 */
  --topbar-bg:         rgba(10,12,18,0.85);
  --bottomnav-bg:      rgba(10,12,18,0.92);
  --overlay-bg:        rgba(10,12,18,0.7);
  --modal-overlay-bg:  rgba(0,0,0,0.7);
}

/* ── 主題切換過渡動畫 ── */
*, *::before, *::after {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.15s ease;
}
/* 排除會影響動畫的元素 */
.spinner, .sync-dot, .bottom-nav-add-circle { transition: none !important; }


/* :root variables moved to top (theme system) */

/* ── 全域重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100%;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* 防止雙擊放大（修正3） */
  touch-action: manipulation;
  overflow-x: hidden;
  /* 需求4：防止左右滑動時頁面飄動 */
  overscroll-behavior-x: none;
}

/* ── 背景紋理層（細緻星點感） ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(99,102,241,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(139,92,246,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ── 版面骨架 ── */
#app { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }

/* ── 頂部導覽列 ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--topbar-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  /* iOS 安全區域 */
  padding-top: env(safe-area-inset-top, 0px);
  display: flex;
  flex-direction: column;    /* 雙行垂直排列 */
  gap: 0;
}

/* 第一行：標題 + 操作按鈕 */
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
}
.topbar-row-main {
  height: 52px;
  padding-top: 2px;
}
.topbar-row-sub {
  height: 36px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding-top: 0;
  padding-bottom: 0;
}

/* 右側操作按鈕群組 */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* 新增按鈕 */
.topbar-add-btn {
  padding: 7px 14px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* 第二行左側 */
.topbar-sub-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

/* 立即同步按鈕（第二行右側，精簡版）*/
.topbar-sync-btn {
  font-size: 11px;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
}
.topbar-sync-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.topbar-sync-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

/* 共用徽章（第二行）*/
#share-mode-badge {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent-hover);
  padding: 2px 8px;
  background: rgba(99,102,241,0.12);
  border-radius: 99px;
  white-space: nowrap;
}

/* sync-chip（第二行）*/
.sync-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.topbar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 0 12px rgba(99,102,241,0.4);
}

/* ── 底部導覽（手機） ── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bottomnav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  height: 64px;
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: var(--transition);
  border: none;
  background: none;
  padding: 8px 0;
  position: relative;
}

.bottom-nav-item svg { width: 22px; height: 22px; stroke-width: 1.8; }

.bottom-nav-item.active {
  color: var(--accent-hover);
}

.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 0 0 4px 4px;
}

/* ── 側欄（桌面） ── */
.sidebar {
  position: fixed;
  top: calc(88px + env(safe-area-inset-top, 0px)); /* 配合雙行 topbar 高度 */
  left: 0;
  bottom: 0;
  width: 220px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  z-index: 50;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.sidebar-item svg { width: 18px; height: 18px; stroke-width: 1.8; flex-shrink: 0; }

.sidebar-item:hover { background: var(--bg-hover); color: var(--text-primary); }

.sidebar-item.active {
  background: rgba(99,102,241,0.15);
  color: var(--accent-hover);
}

.sidebar-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 8px 4px;
}

/* ── 主內容區 ── */
.main-content {
  flex: 1;
  padding: 24px 20px 90px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ── 卡片元件 ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.card:hover { border-color: var(--border-default); }

.card-glass {
  background: rgba(22,24,33,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── 按鈕 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn svg { width: 16px; height: 16px; stroke-width: 2; }

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-default);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger {
  background: rgba(248,113,113,0.15);
  color: var(--danger);
  border-color: rgba(248,113,113,0.3);
}
.btn-danger:hover { background: rgba(248,113,113,0.25); }

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-icon svg { width: 18px; height: 18px; stroke-width: 1.8; }

/* ── 表單元素 ── */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition);
  width: 100%;
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 80px; line-height: 1.6; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239094b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-select option { background: var(--bg-card); }

/* ── 分類顏色標籤 ── */
.category-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px 2px 6px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

/* ── 事項卡片 ── */
.note-card {
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.note-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cat-color, var(--accent-primary));
  border-radius: 2px 0 0 2px;
}

.note-card:hover {
  border-color: var(--border-default);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.note-card.urgent { border-color: rgba(248,113,113,0.3); }
.note-card.warning { border-color: rgba(251,191,36,0.3); }

.note-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-content {
  font-size: 13px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.note-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

/* ── 倒數計時顯示 ── */
.countdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  letter-spacing: 0.2px;
}

.countdown-badge.urgent  { background: rgba(248,113,113,0.15); color: var(--danger); }
.countdown-badge.warning { background: rgba(251,191,36,0.15);  color: var(--warning); }
.countdown-badge.normal  { background: rgba(96,165,250,0.15);  color: var(--info); }
.countdown-badge.overdue { background: rgba(248,113,113,0.08); color: var(--text-muted); text-decoration: line-through; }

/* ── 行事曆 ── */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.calendar-nav-btn {
  padding: 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.calendar-nav-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.calendar-nav-btn svg { width: 18px; height: 18px; }

.calendar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

/* ── 月視圖 Grid（WK欄+7天，唯一定義） ── */
.calendar-grid-month {
  display: grid;
  grid-template-columns: 28px repeat(7, 1fr);
  gap: 2px;
}

.calendar-weekday {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 0;
}

.calendar-day {
  /* 基礎定義：細節由後面的 V1_2 block 覆蓋 */
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.calendar-day:hover { background: var(--bg-hover); }

.calendar-day.today .day-number {
  background: var(--accent-primary);
  color: #fff;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-day.other-month .day-number { color: var(--text-muted); }
.calendar-day.selected { background: rgba(99,102,241,0.12); }

.day-number {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 日期事件點 */
.day-dots {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
}

.day-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* 週視圖 */
.calendar-grid-week {
  display: grid;
  grid-template-columns: 52px repeat(7, 1fr);
  gap: 1px;
}

.week-time-col {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-align: right;
  padding-right: 8px;
  padding-top: 2px;
  height: 48px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.week-day-header {
  text-align: center;
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.week-day-header.today { color: var(--accent-hover); }

.week-cell {
  height: 48px;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  transition: var(--transition);
}

.week-cell:hover { background: var(--bg-hover); }

.week-event {
  position: absolute;
  left: 2px;
  right: 2px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  z-index: 1;
  cursor: pointer;
}

/* ── 視圖切換標籤 ── */
.view-tabs {
  display: flex;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.view-tab {
  flex: 1;
  padding: 6px 14px;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: transparent;
  color: var(--text-muted);
  text-align: center;
}

.view-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* ── Modal 對話框 ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: flex-start;        /* 改為 flex-start，避免 iOS 鍵盤彈出時跑版 */
  justify-content: center;
  padding: env(safe-area-inset-top, 20px) 20px env(safe-area-inset-bottom, 20px);
  padding-top: max(env(safe-area-inset-top, 0px), 16px);
  overflow-y: auto;               /* 允許 overlay 滾動 */
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 40px);   /* 不超過 viewport */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  transform: translateY(10px);
  transition: transform 0.2s ease;
  margin: auto 0;                    /* 垂直置中（但不會被鍵盤擠壓） */
  flex-shrink: 0;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-title { font-size: 18px; font-weight: 700; color: var(--text-primary); }

/* ── 登入畫面 ── */
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 28px;
  padding: calc(40px + env(safe-area-inset-top, 0px)) 20px 40px;
  text-align: center;
}

.login-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  box-shadow: 0 0 40px rgba(99,102,241,0.4);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.login-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle { font-size: 15px; color: var(--text-secondary); max-width: 320px; }

.google-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.google-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.google-btn img { width: 20px; height: 20px; }

/* ── iOS 通知引導橫幅 ── */
.ios-guide-banner {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.ios-guide-banner .guide-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }

/* ── 空狀態 ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--text-muted);
  text-align: center;
}
.empty-state-icon { font-size: 48px; opacity: 0.5; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-secondary); }
.empty-state p { font-size: 13px; max-width: 240px; }

/* ── 載入指示器 ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-default);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ── 工具提示 ── */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.toast {
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.toast.success { background: rgba(52,211,153,0.9); }
.toast.error   { background: rgba(248,113,113,0.9); }
.toast.info    { background: rgba(99,102,241,0.9); }

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

/* ── 附件預覽 ── */
.attachment-list { display: flex; flex-wrap: wrap; gap: 8px; }

.attachment-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}
.attachment-item:hover { border-color: var(--accent-primary); color: var(--accent-hover); }
.attachment-item svg { width: 14px; height: 14px; }

/* ── 顏色選擇器 ── */
.color-picker-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
}
.color-swatch.selected,
.color-swatch:hover { border-color: var(--text-primary); transform: scale(1.15); }

/* ── 更新提示橫幅（底部浮出，預設隱藏） ── */
.update-banner {
  position: fixed;
  bottom: 80px;   /* 底部導覽列上方 */
  left: 50%;
  transform: translateX(-50%) translateY(120px); /* 預設在畫面外 */
  z-index: 150;
  background: var(--bg-elevated);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.2);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
}
.update-banner.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
@media (min-width: 768px) {
  .update-banner { bottom: 24px; } /* 桌面沒有底部導覽 */
}

/* ── 響應式斷點 ── */

/* 桌面：顯示側欄，隱藏底部導覽 */
@media (min-width: 768px) {
  .bottom-nav { display: none; }
  .sidebar { display: flex; }
  .main-content {
    margin-left: 220px;
    padding: 28px 32px 40px;
  }
}

/* 手機：隱藏側欄，顯示底部導覽 */
@media (max-width: 767px) {
  .sidebar { display: none; }
  .bottom-nav { display: flex; }
  .main-content { padding: 16px 16px 80px; }
  .modal { padding: 20px; border-radius: var(--radius-lg); }
  .calendar-grid-month { gap: 1px; }
  .day-number { font-size: 12px; width: 24px; height: 24px; }
}

/* 超小螢幕 */
@media (max-width: 360px) {
  .calendar-weekday { font-size: 9px; }
  .day-number { font-size: 11px; width: 22px; height: 22px; }
}

/* ── Scrollbar 美化（桌面） ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── 工具用類別 ── */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.font-semibold { font-weight: 600; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.p-4 { padding: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .grid-2 { grid-template-columns: 1fr; } }

/* ══════════════════════════════════
   V1_1 補充樣式
   ══════════════════════════════════ */

/* ── topbar 右側 action 按鈕 ── */
.topbar-action-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.topbar-action-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.topbar-action-btn svg  { width: 16px; height: 16px; stroke-width: 2; }

/* ── 同步狀態小標籤 ── */
/* sync-chip 已移至 topbar 新定義 */
.sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}
.sync-dot.syncing { background: var(--warning); animation: pulse-sync 1s ease-in-out infinite; }
.sync-dot.synced  { background: var(--success); }
.sync-dot.error   { background: var(--danger); }
@keyframes pulse-sync {
  0%,100% { transform:scale(1);   opacity:1;   }
  50%      { transform:scale(1.5); opacity:0.6; }
}

/* ── 通知橫幅 ── */
.notification-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(245,158,11,0.1);
  border-bottom: 1px solid rgba(245,158,11,0.2);
  font-size: 13px;
  color: var(--warning);
}
.notification-banner.hidden { display: none; }

/* ── btn-ghost / btn-sm ── */
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ── 記事卡片 ── */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--card-color, var(--accent-primary));
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  cursor: pointer;
  transition: var(--transition);
}
.note-card:hover { border-color: var(--border-default); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.note-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.note-title       { font-size: 14px; font-weight: 600; color: var(--text-primary); line-height: 1.4; flex: 1; }
.note-category-badge { font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 99px; flex-shrink: 0; }
.note-content     { font-size: 12px; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.note-footer      { display: flex; align-items: center; justify-content: space-between; }
.note-attachments { font-size: 11px; color: var(--text-muted); }

/* ── 倒數徽章 ── */
.countdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-family: monospace;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(99,102,241,0.12);
  color: var(--accent-hover);
  border: 1px solid rgba(99,102,241,0.2);
}
.countdown-badge.urgent  { background: rgba(239,68,68,0.12); color: #f87171; border-color: rgba(239,68,68,0.3); animation: pulse-urgent 1.5s ease-in-out infinite; }
.countdown-badge.overdue { background: rgba(239,68,68,0.18); color: var(--danger); border-color: rgba(239,68,68,0.4); }
@keyframes pulse-urgent { 0%,100%{opacity:1;} 50%{opacity:0.5;} }

/* ── 空狀態 ── */
.empty-state { display:flex; flex-direction:column; align-items:center; justify-content:center; padding:60px 24px; color:var(--text-muted); text-align:center; }
.empty-state-icon  { font-size:48px; margin-bottom:16px; opacity:.4; }
.empty-state-title { font-size:16px; font-weight:600; color:var(--text-secondary); margin-bottom:8px; }
.empty-state-desc  { font-size:13px; line-height:1.6; max-width:280px; }

/* ── 篩選按鈕 ── */
.filter-btn { background: var(--bg-elevated); border: 1px solid var(--border-subtle); color: var(--text-secondary); font-size: 12px; padding: 6px 14px; }
.filter-btn.active { background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.4); color: var(--accent-hover); }
.filter-btn:hover  { border-color: var(--border-default); color: var(--text-primary); }

/* ── 附件 ── */
.attachment-preview { display:flex; align-items:center; gap:8px; padding:7px 10px; background:var(--bg-elevated); border:1px solid var(--border-subtle); border-radius:var(--radius-sm); margin-top:6px; }
.attachment-icon    { font-size:16px; flex-shrink:0; }
.attachment-name    { flex:1; font-size:12px; color:var(--text-secondary); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ── 上傳區 ── */
.upload-zone {
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--accent-primary); background: rgba(99,102,241,0.06); color: var(--accent-hover); }

/* ── 行事曆補充 ── */
.calendar-controls   { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px; }
.calendar-nav        { display:flex; align-items:center; gap:8px; }
.calendar-month-label{ font-size:17px; font-weight:700; color:var(--text-primary); min-width:120px; text-align:center; }
.calendar-view-toggle{ display:flex; background:var(--bg-elevated); border:1px solid var(--border-subtle); border-radius:var(--radius-sm); padding:2px; gap:2px; }
.view-toggle-btn     { padding:5px 14px; font-size:12px; font-weight:600; border:none; border-radius:4px; background:transparent; color:var(--text-secondary); cursor:pointer; transition:var(--transition); }
.view-toggle-btn.active { background:var(--accent-primary); color:white; }
/* REMOVED DUPE */

/* 登入頁相關 */
.login-screen  { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:100vh; gap:20px; padding:calc(40px + env(safe-area-inset-top,0px)) 20px 40px; text-align:center; background:radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.2) 0%, transparent 70%), var(--bg-base); }
.login-logo    { width:72px; height:72px; background:linear-gradient(135deg,var(--accent-primary),#8b5cf6); border-radius:20px; display:flex; align-items:center; justify-content:center; font-size:36px; box-shadow:0 0 32px rgba(99,102,241,0.4); animation:float 3s ease-in-out infinite; }
.login-title   { font-size:26px; font-weight:700; background:linear-gradient(135deg,#e8eaf0,var(--accent-hover)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.login-subtitle{ color:var(--text-secondary); font-size:14px; line-height:1.6; max-width:300px; }
.btn-google    { display:flex; align-items:center; gap:12px; padding:13px 28px; background:white; color:#333; font-size:15px; font-weight:500; border:none; border-radius:12px; cursor:pointer; transition:var(--transition); box-shadow:0 2px 16px rgba(0,0,0,0.3); }
.btn-google:hover { transform:translateY(-2px); box-shadow:0 6px 24px rgba(0,0,0,0.4); }
.btn-google img   { width:20px; height:20px; }
@keyframes float { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-8px);} }

/* ── 載入遮罩 ── */
.loading-overlay { position:fixed; inset:0; background:var(--bg-base); display:flex; flex-direction:column; align-items:center; justify-content:center; z-index:200; gap:12px; transition:opacity .3s; }
.loading-overlay.hidden { opacity:0; pointer-events:none; }
.spinner { width:20px; height:20px; border:2px solid var(--border-subtle); border-top-color:var(--accent-primary); border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin { to{transform:rotate(360deg);} }

/* ── Modal body / footer（補充） ── */
.modal-body {
  padding: 4px 0 20px;
}

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

/* ── sidebar-item active 狀態補強 ── */
.sidebar-item.active {
  background: rgba(99,102,241,0.15) !important;
  color: var(--accent-hover) !important;
}

/* ══════════════════════════════════
   V1_2 新增樣式
   ══════════════════════════════════ */

/* ── 月曆：8欄 grid（WK + 7天）── */
/* REMOVED_DUPE */

/* ── 周別欄 ── */
.calendar-wk-header {
  font-size: 9px !important;
  color: var(--text-muted) !important;
  text-align: center;
}
.calendar-wk-cell {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
  font-size: 9px;
  font-weight: 700;
  font-family: monospace;
  color: var(--text-muted);
  opacity: 0.6;
  user-select: none;
}

/* ── 月曆統一格高（需求5: 固定行高） ── */
.calendar-day {
  min-height: 72px !important;
  height: 72px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 5px 4px 3px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.calendar-day:hover { background: var(--bg-hover); border-color: var(--border-default); }
.calendar-day.today { border-color: var(--accent-primary); background: rgba(99,102,241,0.08); }
.calendar-day.other-month { opacity: 0.35; }

.day-number {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
}
.calendar-day.today .day-number {
  background: var(--accent-primary);
  color: white;
  font-weight: 700;
}

/* 圓點列 */
.day-dots { display: flex; gap: 2px; flex-wrap: wrap; }
.day-dot  { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }

/* 需求2: 事件標籤優化 */
.day-event-chip {
  font-size: 9px;
  font-weight: 600;
  line-height: 1.3;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--chip-color, #6366f1);
  color: white;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  opacity: 0.9;
}

/* ── 需求8: 週視圖橫向清單 ── */
.week-list { display: flex; flex-direction: column; gap: 2px; }

.week-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  min-height: 52px;
}
.week-row-today {
  border-color: var(--accent-primary);
  background: rgba(99,102,241,0.07);
}

.week-row-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 36px;
  flex-shrink: 0;
}
.week-row-dayname {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.week-row-daynum {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.today-circle {
  background: var(--accent-primary);
  color: white !important;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.week-row-events {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 2px;
}
.week-no-event { font-size: 12px; color: var(--text-muted); line-height: 2; }

.week-event-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: rgba(var(--evt-color-r,99), var(--evt-color-g,102), var(--evt-color-b,241), 0.1);
  border-left: 2px solid var(--evt-color, #6366f1);
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: var(--transition);
}
.week-event-item:hover { opacity: 0.8; }
.week-event-dot   { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.week-event-time  { font-size: 10px; color: var(--text-muted); font-family: monospace; flex-shrink: 0; }
.week-event-title { font-size: 12px; font-weight: 500; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── 需求10: 當日事項 scroll ── */
.day-events-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 16px;
}
.day-events-scroll {
  max-height: 220px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.day-event-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}
.day-event-row:last-child { border-bottom: none; }
.day-event-row:hover { opacity: 0.75; }
.day-event-row-dot   { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.day-event-row-title { flex: 1; font-size: 13px; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── 需求10: 記事 scroll 容器 ── */
.notes-scroll-container {
  height: calc(100vh - 220px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
@media (max-width: 767px) {
  .notes-scroll-container { height: calc(100vh - 200px); }
}

/* ── 需求3: 底部導覽列更大更好按 ── */
.bottom-nav {
  height: 72px !important; /* 加高 */
  padding-bottom: calc(env(safe-area-inset-bottom) + 4px) !important;
}
.bottom-nav-item {
  font-size: 11px !important;
  gap: 4px !important;
  padding: 6px 0 !important;
}
.bottom-nav-item svg { width: 26px !important; height: 26px !important; }

/* 新增大按鈕 */
.bottom-nav-add { color: var(--accent-hover) !important; }
.bottom-nav-add-btn {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -20px;
  box-shadow: 0 4px 20px rgba(99,102,241,0.5);
  transition: var(--transition);
}
.bottom-nav-add:active .bottom-nav-add-btn { transform: scale(0.92); }

/* ── 需求9: 週期摘要樣式 ── */
.repeat-summary {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 8px;
  font-size: 12px;
  color: var(--accent-hover);
  line-height: 1.6;
  font-family: monospace;
}

/* ── 手機月曆小螢幕調整 ── */
@media (max-width: 400px) {
  .calendar-grid-month { gap: 1px; }
  .calendar-day { min-height: 58px !important; height: 58px; padding: 4px 2px 2px; }
  .calendar-wk-cell { font-size: 8px; padding-top: 4px; }
  .day-number { font-size: 11px; width: 20px; height: 20px; }
  .day-event-chip { font-size: 8px; }
}

/* ══════════════════════════════════
   V1_2 新增樣式
   ══════════════════════════════════ */

/* ── 需求3：底部導覽列加高，三項版本 ── */
.bottom-nav {
  height: 72px !important;   /* 加高，更容易按到 */
  padding-bottom: max(env(safe-area-inset-bottom), 8px) !important;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.bottom-nav-item {
  font-size: 11px !important;
  gap: 4px;
  padding: 6px 0 !important;
  min-width: 64px;
}
.bottom-nav-item svg { width: 24px !important; height: 24px !important; }

/* 需求7：中央新增按鈕（凸起設計） */
.bottom-nav-add {
  flex-direction: column;
  align-items: center;
  position: relative;
  padding-top: 0 !important;
}
.bottom-nav-add-circle {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -20px;
  margin-bottom: 2px;
  box-shadow: 0 4px 16px rgba(99,102,241,0.55);
  transition: var(--transition);
}
.bottom-nav-add:hover .bottom-nav-add-circle,
.bottom-nav-add:active .bottom-nav-add-circle {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(99,102,241,0.7);
}
.bottom-nav-add { color: var(--accent-hover) !important; font-size: 11px; }

/* 需求2+5：月曆日期格事件標籤優化 */
.day-event-chip {
  display: block;
  font-size: 9px;
  font-weight: 600;
  line-height: 1.3;
  padding: 1px 4px;
  border-radius: 3px;
  color: white;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
  opacity: 0.9;
}
.day-event-more {
  font-size: 9px;
  color: var(--text-muted);
  padding: 1px 4px;
  margin-top: 1px;
}

/* 需求5：WK 欄位 */
.cal-wk-cell {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px 0 0 4px;
  letter-spacing: .02em;
}
.cal-wk-label {
  font-size: 9px !important;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .05em;
  background: var(--bg-surface);
}

/* 需求5：月曆格統一高度，grid 設為固定行高 */
/* REMOVED_DUPE */

/* 需求8：週視圖橫向清單 */
.week-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.week-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  min-height: 48px;
  transition: var(--transition);
}
.week-row:hover { border-color: var(--border-default); }
.week-row-today {
  border-color: var(--accent-primary) !important;
  background: rgba(99,102,241,0.06) !important;
}
.week-row-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 36px;
  flex-shrink: 0;
  padding-top: 2px;
}
.week-row-dayname {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: .05em;
}
.week-row-daynum {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-top: 2px;
}
.week-row-daynum.today-circle {
  color: white;
  background: var(--accent-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.week-row-events {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 4px;
  padding-top: 4px;
}
.week-event-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.week-event-pill:hover { opacity: 0.8; transform: translateY(-1px); }
.week-no-event {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 0;
}

/* 需求10：當日事項面板 scroll */
.day-events-panel-inner {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  max-height: 240px;
}
.day-events-scroll {
  overflow-y: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}
.day-event-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}
.day-event-row:last-child { border-bottom: none; }
.day-event-row:hover { background: rgba(255,255,255,.03); border-radius: 6px; padding-left: 4px; }

/* 需求10：記事清單 scroll */
.view-scroll {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 需求9：週期重複摘要樣式 */
.repeat-summary-box {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 4px;
}
.repeat-summary-label {
  display: inline-block;
  background: rgba(99,102,241,0.2);
  color: var(--accent-hover);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 99px;
  margin-right: 6px;
  margin-bottom: 4px;
}
.repeat-summary-box strong { color: var(--text-primary); font-size: 14px; }

/* 底部導覽在手機 main-content 需留高一點 */
@media (max-width: 767px) {
  .main-content { padding-bottom: 90px !important; }
}

/* ══════════════════════════════════
   V1_5 新增樣式
   ══════════════════════════════════ */

/* ── 需求7：記事卡片詳細資訊列 ── */
.note-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 6px 0 8px;
  padding: 6px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.note-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}
.note-meta-icon  { font-size: 12px; flex-shrink: 0; }
.note-meta-label { color: var(--text-muted); flex-shrink: 0; min-width: 44px; }
.note-meta-value { color: var(--text-secondary); font-weight: 500; }

/* ── 需求4：批次刪除 ── */
.note-card.batch-mode {
  cursor: pointer;
  user-select: none;
}
.note-card.batch-selected {
  border-color: var(--danger) !important;
  background: rgba(220,38,38,0.05);
}
.note-batch-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-default);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  transition: var(--transition);
}
.note-batch-check.checked {
  background: var(--danger);
  border-color: var(--danger);
}

/* ── 確保記事卡片有 position:relative（供 batch-check 定位） ── */
.note-card { position: relative !important; }

/* ── 需求6：Light 主題 bottom-nav 文字顏色 ── */
[data-theme="light"] .bottom-nav-item {
  color: var(--text-muted);
}
[data-theme="light"] .bottom-nav-item.active {
  color: var(--accent-hover);
}
[data-theme="light"] .sidebar-item {
  color: var(--text-secondary);
}
[data-theme="light"] .sidebar-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
[data-theme="light"] .sidebar-item.active {
  background: rgba(99,102,241,0.1);
  color: var(--accent-hover);
}

/* ── 需求6：Light 主題 topbar 圖示 ── */
[data-theme="light"] .topbar-action-btn {
  color: var(--text-secondary);
  border-color: var(--border-default);
  background: var(--bg-surface);
}
[data-theme="light"] .topbar-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
[data-theme="light"] .topbar-brand {
  color: var(--text-primary);
}

/* ── 需求6：Light 主題 form 元素 ── */
[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea,
[data-theme="light"] .form-select {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-default);
}
[data-theme="light"] .modal {
  background: var(--bg-surface);
  border-color: var(--border-default);
}
[data-theme="light"] .btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-color: var(--border-default);
}
[data-theme="light"] .btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-default);
}
[data-theme="light"] .calendar-day {
  background: var(--bg-card);
  border-color: var(--border-subtle);
}
[data-theme="light"] .week-row {
  background: var(--bg-card);
  border-color: var(--border-subtle);
}
[data-theme="light"] .note-card {
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

/* ── loading overlay Light 版 ── */
[data-theme="light"] .loading-overlay {
  background: rgba(244,246,251,0.9);
}
[data-theme="light"] .loading-overlay .spinner {
  border-color: var(--border-default);
  border-top-color: var(--accent-primary);
}

/* ══════════════════════════════════
   V1_6 新增樣式
   ══════════════════════════════════ */

/* ── 需求3：記事表格 ── */
.notes-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}
.notes-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body, inherit);
  min-width: 600px;
}
.notes-table thead tr {
  background: var(--bg-elevated);
  border-bottom: 2px solid var(--border-default);
}
.notes-table th {
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
}
.notes-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}
.note-table-row {
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid var(--row-color, var(--accent-primary));
}
.note-table-row:hover { background: var(--bg-hover); }
.note-table-row:last-child td { border-bottom: none; }
.note-table-row.batch-selected { background: rgba(220,38,38,0.06); border-left-color: var(--danger); }

/* 狀態徽章 */
.note-status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
}
.status-active  { background: rgba(22,163,74,0.12);  color: #16a34a; border: 1px solid rgba(22,163,74,0.3); }
.status-overdue { background: rgba(220,38,38,0.12);  color: var(--danger); border: 1px solid rgba(220,38,38,0.3); }
.status-none    { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-subtle); }

/* 手機版：表格精簡 */
@media (max-width: 767px) {
  .notes-table { min-width: 480px; }
  .notes-table th, .notes-table td { padding: 8px 10px; font-size: 11px; }
}

/* ── 需求4：設定頁面 ── */
#view-settings { padding: 0; }
.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 14px;
  /* 確保 section 不被截斷 */
  overflow: visible;
  width: 100%;
  box-sizing: border-box;
}
.settings-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.settings-row {
  display: flex;
  align-items: flex-start;    /* 改為 flex-start 避免多行內容擠壓 */
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 16px;
  min-height: 36px;
}
.settings-row:last-child { border-bottom: none; }
.settings-label {
  font-size: 13px;
  color: var(--text-secondary);
  flex-shrink: 0;
  min-width: 90px;
  padding-top: 2px;
}
.settings-value {
  font-size: 13px;
  color: var(--text-primary);
  text-align: right;
  flex: 1;
  word-break: break-all;      /* 允許長文字換行 */
  min-width: 0;               /* 防止 flex 子項目不縮小 */
}

/* ── 需求7：備份列表 ── */
.backup-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition);
  gap: 10px;
}
.backup-row:hover { border-color: var(--accent-primary); background: var(--bg-hover); }
.backup-type-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── 底部 4 項導覽調整 ── */
@media (max-width: 767px) {
  .bottom-nav { justify-content: space-around; }
  .bottom-nav-item { min-width: 0; flex: 1; }
  .bottom-nav-item svg { width: 20px !important; height: 20px !important; }
  .bottom-nav-item { font-size: 10px !important; }
}

/* ── 設定頁主體 padding ── */
#settings-content {
  padding: 16px 20px 40px;
}
@media (max-width: 767px) {
  #settings-content { padding: 12px 12px 80px; }
}

/* ══════════════════════════════════
   V1_7 新增樣式
   ══════════════════════════════════ */

/* ── 需求8：day-number 圓圈統一，不擠壓內容 ── */
/* 覆蓋所有舊定義，使用最高優先級 */
#calendar-days .day-number,
#calendar-weekdays .day-number {
  width: 24px !important;
  height: 24px !important;
  min-width: 24px !important;
  min-height: 24px !important;
  font-size: 12px !important;
  font-weight: 600;
  border-radius: 50%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  line-height: 1 !important;
  margin: 0 auto 2px !important;  /* 統一間距，不擠內容 */
  color: var(--text-secondary);
}

/* 今天：紫色圓圈 */
#calendar-days .calendar-day.today .day-number {
  background: var(--accent-primary) !important;
  color: white !important;
  font-weight: 700 !important;
}

/* 需求7：選中日：邊框圓圈（不覆蓋 today） */
#calendar-days .calendar-day.selected .day-number {
  background: transparent !important;
  border: 2px solid var(--accent-primary) !important;
  color: var(--accent-hover) !important;
}

/* 週視圖選中 */
.week-row-daynum.selected-circle {
  background: transparent !important;
  border: 2px solid var(--accent-primary);
  color: var(--accent-hover) !important;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

/* 需求7：選中行高亮 */
.week-row.week-row-selected {
  background: rgba(99,102,241,0.06) !important;
  border-left: 3px solid var(--accent-primary) !important;
}

/* 需求9 overflow 設定已移至正確位置 */

/* ── 需求10：滑動動畫（初始狀態） ── */
#calendar-month-view,
#calendar-week-view,
#week-grid-container {
  will-change: transform, opacity;
}

/* ── 需求2：排程摘要樣式 ── */
.schedule-summary-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  margin-top: 16px;
}
.schedule-summary-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.schedule-group-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 6px 0 4px;
}
.schedule-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}
.schedule-row:last-child { border-bottom: none; }
.schedule-row:hover { background: var(--bg-hover); border-radius: 6px; padding-left: 4px; }
.schedule-dot   { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.schedule-title { flex:1; font-size:12px; color:var(--text-primary); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.schedule-date  { font-size:11px; color:var(--text-muted); white-space:nowrap; flex-shrink:0; }
.schedule-badge { font-size:10px; font-weight:700; padding:1px 6px; border-radius:99px; white-space:nowrap; flex-shrink:0; }
.schedule-badge.upcoming { background:rgba(99,102,241,0.12); color:var(--accent-hover); }
.schedule-badge.overdue  { background:rgba(220,38,38,0.12); color:var(--danger); }

/* ── 需求4：備份 Modal ── */
#backup-modal .modal { max-width: 540px; }
.backup-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.backup-modal-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
#backup-modal-list { max-height: 60vh; overflow-y: auto; -webkit-overflow-scrolling: touch; }

/* ── today-circle 統一（週視圖）── */
.today-circle {
  background: var(--accent-primary) !important;
  color: white !important;
  border-radius: 50% !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 28px !important;
  height: 28px !important;
  font-weight: 700 !important;
}

/* ══════════════════════════════════
   V1_8 新增樣式：行事曆整合區塊
   ══════════════════════════════════ */

#calendar-integration {
  margin-top: 20px;
}

.cal-int-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cal-int-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
}
.cal-int-header-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}
.cal-int-header-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-hover);
  padding: 2px 8px;
  border-radius: 99px;
}

.cal-int-group {
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.cal-int-group:last-child { border-bottom: none; }

.cal-int-group-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  padding: 10px 0 4px;
}

.cal-int-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}
.cal-int-row:last-child { border-bottom: none; }
.cal-int-row:hover { background: var(--bg-hover); border-radius: 8px; padding-left: 6px; }

.cal-int-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.cal-int-body {
  flex: 1;
  min-width: 0;
}
.cal-int-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cal-int-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  flex-wrap: wrap;
}
.cal-int-repeat { color: var(--text-secondary); }
.cal-int-cat    { font-weight: 600; }

.cal-int-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
}
.cal-int-badge.upcoming { background: rgba(99,102,241,0.12); color: var(--accent-hover); border: 1px solid rgba(99,102,241,0.25); }
.cal-int-badge.overdue  { background: rgba(220,38,38,0.12);  color: var(--danger);       border: 1px solid rgba(220,38,38,0.25); }

/* ══════════════════════════════════
   V2_0 新增樣式
   ══════════════════════════════════ */

/* ── 需求6+7：表格固定表頭，不需橫向滾動 ── */
.notes-table-wrapper {
  position: relative;
  max-height: calc(100vh - 260px);  /* 固定最大高度，讓表頭固定 */
  overflow-y: auto !important;
  overflow-x: hidden !important;    /* 不需橫向滾動 */
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  -webkit-overflow-scrolling: touch;
}

.notes-table {
  min-width: unset !important;   /* 取消最小寬度，適配螢幕 */
  width: 100% !important;
  table-layout: fixed;           /* 固定欄寬，不會超出 */
  border-collapse: collapse;
}

/* 需求7：固定表頭 */
.notes-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-elevated);
}
.notes-table thead tr {
  background: var(--bg-elevated) !important;
  border-bottom: 2px solid var(--border-default);
}
.notes-table th {
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
}

/* 欄寬分配（固定比例） */
.notes-table th:nth-child(1) { width: 30%; }   /* 標題 */
.notes-table th:nth-child(2) { width: 12%; }   /* 提醒 */
.notes-table th:nth-child(3) { width: 10%; }   /* 週期 */
.notes-table th:nth-child(4) { width: 18%; }   /* 起始 */
.notes-table th:nth-child(5) { width: 18%; }   /* 結束 */
.notes-table th:nth-child(6) { width: 12%; }   /* 狀態 */

.notes-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 需求6：表格行底色（紅橘綠，不用文字徽章）*/
.note-table-row:hover {
  filter: brightness(1.05);
}
/* 批次選中疊加 */
.note-table-row.batch-selected {
  outline: 2px solid var(--danger) !important;
  outline-offset: -2px;
}

/* 手機版：更緊湊 */
@media (max-width: 767px) {
  .notes-table-wrapper {
    max-height: calc(100vh - 220px);
  }
  .notes-table th:nth-child(2),
  .notes-table th:nth-child(3),
  .notes-table td:nth-child(2),
  .notes-table td:nth-child(3) {
    display: none;  /* 手機隱藏提醒和週期欄 */
  }
  .notes-table th:nth-child(1) { width: 40%; }
  .notes-table th:nth-child(4) { width: 25%; }
  .notes-table th:nth-child(5) { width: 20%; }
  .notes-table th:nth-child(6) { width: 15%; }
  .notes-table td { padding: 7px 8px; font-size: 11px; }
}

/* ── 立即同步按鈕動畫 ── */
#btn-manual-sync:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* ══════════════════════════════════
   V2_1 新增樣式：事項面板優化
   ══════════════════════════════════ */

/* 需求1：事項面板可 scroll，最大高度固定 */
.day-events-panel-inner {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  max-height: 50vh;        /* 最高佔螢幕一半 */
  display: flex;
  flex-direction: column;
}
.day-events-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* 需求1：事項行含時間 */
.day-event-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 6px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
  border-radius: 6px;
}
.day-event-row:last-child { border-bottom: none; }
.day-event-row:hover      { background: var(--bg-hover); }

.day-event-time {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 36px;
  text-align: right;
}
.day-event-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.day-event-info {
  flex: 1;
  min-width: 0;
}
.day-event-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.day-event-cat {
  font-size: 10px;
  font-weight: 600;
  margin-top: 1px;
}

/* 空狀態 */
.day-empty-state {
  text-align: center;
  padding: 20px 0;
}

/* ══════════════════════════════════
   V2_2 佈局修正（取代所有舊的 overflow 衝突設定）
   核心原則：body 正常滾動，各 view 各自管理高度
   ══════════════════════════════════ */

/* ── 全局基礎：只鎖橫向，允許縱向滾動 ── */
html {
  overflow-x: hidden;
  overflow-y: auto;
  /* 不設 overflow:hidden，讓 iOS Safari 正常計算高度 */
}
body {
  overflow-x: hidden;
  overscroll-behavior-x: none;
  /* 允許縱向滾動 */
}

/* ── #app 不裁切內容 ── */
#app {
  min-height: 100dvh;      /* dvh 比 vh 更準確（含安全區域）*/
  min-height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
  overflow: visible;        /* 不裁切 */
}

/* ── main-content：讓內容自然展開，不固定高度（V2_4 修正） ── */
/* 不在這裡覆蓋 margin，讓桌面版的 margin-left:220px 繼續有效 */
.main-content {
  flex: 1;
  width: 100%;
  /* 不設 margin: 0 auto，保留桌面版 margin-left */
}

/* ── 行事曆視圖：自然展開，讓日期格格都顯示 ── */
#view-calendar {
  display: block;
  padding-bottom: 20px;
}
#calendar-month-view,
#calendar-week-view {
  display: block;
  width: 100%;
  overflow: visible;
}

/* ── 記事視圖：表格有固定最大高度供 scroll ── */
.notes-table-wrapper {
  max-height: none;        /* 取消固定高度，讓表格自然展開 */
  overflow-x: auto;        /* 允許橫向 scroll（若欄位太多） */
  overflow-y: visible;
}

/* ── 設定視圖 ── */
#view-settings {
  min-height: 60vh;
}

/* ── 手機版調整 ── */
@media (max-width: 767px) {
  .main-content {
    padding: 12px 12px 100px;
  }
}

/* ── 確保 view-container 不裁切 ── */
.view-container {
  overflow: visible;
  width: 100%;
}

/* ── 日期事項面板 scroll ── */
#day-events-panel {
  margin-top: 12px;
}
.day-events-panel-inner {
  max-height: 45vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.day-events-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}


/* ══════════════════════════════════
   V2_4 Dark/Light 主題完整修正
   ══════════════════════════════════ */

/* ── Light 模式：確保日曆格子是白色背景 ── */
[data-theme="light"] .calendar-day {
  background: #ffffff;
  border-color: rgba(0,0,0,0.08);
  color: #1a1d2e;
}
[data-theme="light"] .calendar-day:hover {
  background: #e8ecf5;
}
[data-theme="light"] .calendar-day.other-month {
  background: #f8f9fc;
  opacity: 0.6;
}
[data-theme="light"] .calendar-day.today {
  background: rgba(99,102,241,0.06);
  border-color: var(--accent-primary);
}
[data-theme="light"] .day-number {
  color: #1a1d2e;
}
[data-theme="light"] .cal-wk-cell {
  background: #f0f2f8;
  color: #8b90a8;
}

/* ── Dark 模式：月曆格子用較淺的深色，確保數字清晰可見 ── */
[data-theme="dark"] .calendar-day {
  background: #1e2030;
  border-color: rgba(255,255,255,0.06);
  color: #e8eaf0;
}
[data-theme="dark"] .calendar-day:hover {
  background: #252840;
}
[data-theme="dark"] .calendar-day.other-month {
  background: #161821;
  opacity: 0.5;
}
[data-theme="dark"] .calendar-day.today {
  background: rgba(99,102,241,0.12);
  border-color: var(--accent-primary);
}
[data-theme="dark"] .day-number {
  color: #e8eaf0;
}
[data-theme="dark"] .cal-wk-cell {
  background: #161821;
  color: #4b5068;
}

/* ── 桌面版佈局修正：確保 sidebar 不蓋住 main-content ── */
@media (min-width: 768px) {
  .main-content {
    margin-left: 220px !important;  /* 讓出側欄空間 */
    padding: 28px 32px 40px !important;
    max-width: none;                 /* 不限制最大寬度（已有側欄限制） */
  }
}

/* ── 通知橫幅（桌面版）── */
[data-theme="light"] .notification-banner {
  background: #ffffff;
  border-color: rgba(99,102,241,0.3);
  color: #1a1d2e;
}
[data-theme="dark"] .notification-banner {
  background: #1e2030;
  border-color: rgba(99,102,241,0.3);
  color: #e8eaf0;
}

/* ── 設定頁面 dark 模式 ── */
[data-theme="dark"] .settings-section {
  background: #1a1d2e;   /* 比 bg-base 亮一點，讓 section 有層次感 */
  border-color: rgba(255,255,255,0.10);
}
[data-theme="dark"] .settings-section-title {
  color: #e8eaf0;
  border-bottom-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .settings-row {
  border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .settings-label {
  color: #8b90a8;
}
[data-theme="dark"] .settings-value {
  color: #e8eaf0;
}
[data-theme="dark"] .backup-row {
  background: #161821;
  border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .backup-row:hover {
  border-color: var(--accent-primary);
  background: #252840;
}

/* ── Light 模式 main-content 和 sidebar ── */
[data-theme="light"] body {
  background-color: #f4f6fb;
}
[data-theme="light"] .sidebar {
  background: #ffffff;
  border-right-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .topbar {
  background: rgba(240,242,248,0.95);
  border-bottom-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .main-content {
  background: #f4f6fb;
}

/* ── 設定頁面：桌面版佈局確保內容完整顯示 ── */
@media (min-width: 768px) {
  #view-settings {
    /* 確保設定頁內容不被截斷 */
    min-height: 80vh;
    padding-bottom: 60px;
  }
  #settings-content {
    max-width: 680px;    /* 限制最大寬度，避免過寬難閱讀 */
  }
  .settings-row {
    flex-wrap: nowrap;   /* 桌面版不換行 */
  }
  .settings-value {
    text-align: right;
    white-space: nowrap;  /* 避免換行 */
  }
}

/* ── Light 主題設定頁 ── */
[data-theme="light"] .settings-section {
  background: #ffffff;
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
[data-theme="light"] .settings-section-title {
  color: #1a1d2e;
  border-bottom-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .settings-label {
  color: #4b5068;
}
[data-theme="light"] .settings-value {
  color: #1a1d2e;
}
[data-theme="light"] .settings-row {
  border-bottom-color: rgba(0,0,0,0.06);
}

/* ══════════════════════════════════
   V2_7 主題切換修正
   切換主題時加上 .theme-switching 禁用 transition，避免底色殘影
   ══════════════════════════════════ */
html.theme-switching *,
html.theme-switching *::before,
html.theme-switching *::after {
  transition: none !important;
}

/* 確保 body 和主要容器跟隨主題變數，不用 hardcoded 顏色 */
html, body {
  background-color: var(--bg-base);
  color: var(--text-primary);
}
#app {
  background-color: var(--bg-base);
}
.main-content {
  background-color: var(--bg-base);
}
.sidebar {
  background-color: var(--bg-surface);
}

/* ── 設定頁危險區域 ── */
.settings-danger-section {
  border-color: rgba(220,38,38,0.25) !important;
  background: rgba(220,38,38,0.04) !important;
}
[data-theme="dark"] .settings-danger-section {
  border-color: rgba(220,38,38,0.3) !important;
  background: rgba(220,38,38,0.08) !important;
}

/* ── 桌面版：topbar sub-row 調整（搭配側欄）── */
@media (min-width: 768px) {
  .topbar-row-main { height: 56px; }
  .topbar-row-sub  { height: 38px; }
  .topbar-add-btn  { padding: 8px 16px; }
}