/* ===========================
   CSS Variables - 設計系統
   =========================== */
:root {
    /* 預設淺色主題 */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f5;
    --accent-primary: #3b82f6;
    --accent-secondary: #1d4ed8;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: rgba(0, 0, 0, 0.1);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* 分類標籤顏色 */
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --yellow: #eab308;
    --green: #22c55e;
    --red: #ef4444;

    /* 間距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 圓角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* 陰影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    /* 動畫 */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* 深色模式 */
[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-card: #374151;
    --bg-card-hover: #4b5563;
    --accent-primary: #60a5fa;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(96, 165, 250, 0.3);
}

/* 藍色主題 */
[data-theme="blue"] {
    --bg-primary: #eff6ff;
    --bg-secondary: #dbeafe;
    --bg-card: #bfdbfe;
    --bg-card-hover: #93c5fd;
    --accent-primary: #2563eb;
    --accent-secondary: #1d4ed8;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --text-primary: #1e3a5f;
    --text-secondary: #3b6998;
    --text-muted: #6b8db5;
    --border-color: rgba(37, 99, 235, 0.2);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
}

/* 綠色主題 */
[data-theme="green"] {
    --bg-primary: #f0fdf4;
    --bg-secondary: #dcfce7;
    --bg-card: #bbf7d0;
    --bg-card-hover: #86efac;
    --accent-primary: #16a34a;
    --accent-secondary: #15803d;
    --accent-gradient: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    --text-primary: #14532d;
    --text-secondary: #166534;
    --text-muted: #4ade80;
    --border-color: rgba(22, 163, 74, 0.2);
    --shadow-glow: 0 0 20px rgba(22, 163, 74, 0.3);
}

/* 紫色主題 */
[data-theme="purple"] {
    --bg-primary: #faf5ff;
    --bg-secondary: #f3e8ff;
    --bg-card: #e9d5ff;
    --bg-card-hover: #d8b4fe;
    --accent-primary: #9333ea;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
    --text-primary: #3b0764;
    --text-secondary: #6b21a8;
    --text-muted: #a855f7;
    --border-color: rgba(147, 51, 234, 0.2);
    --shadow-glow: 0 0 20px rgba(147, 51, 234, 0.3);
}

/* 粉色主題 */
[data-theme="pink"] {
    --bg-primary: #fdf2f8;
    --bg-secondary: #fce7f3;
    --bg-card: #fbcfe8;
    --bg-card-hover: #f9a8d4;
    --accent-primary: #ec4899;
    --accent-secondary: #db2777;
    --accent-gradient: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    --text-primary: #831843;
    --text-secondary: #9d174d;
    --text-muted: #f472b6;
    --border-color: rgba(236, 72, 153, 0.2);
    --shadow-glow: 0 0 20px rgba(236, 72, 153, 0.3);
}

/* ===========================
   Reset & Base
   =========================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===========================
   App Container
   =========================== */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

/* ===========================
   Header
   =========================== */
.app-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.app-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: fadeInDown 0.6s ease;
}

.app-header .subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* Theme Switcher */
.theme-switcher {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.theme-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.theme-btn {
    width: 40px;
    height: 40px;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    transform: scale(1.15);
    border-color: var(--accent-primary);
}

.theme-btn.active {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

/* Search Container */
.search-container {
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
    position: relative;
    z-index: 100;
}

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

.search-icon {
    position: absolute;
    left: 12px;
    font-size: 1rem;
    opacity: 0.7;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 36px;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    background: var(--bg-secondary);
}

.clear-search-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 2px;
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-search-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Search Results */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.search-results.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-result-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-card-hover);
}

.result-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.result-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.result-preview {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.no-results {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
}

.calendar-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease;
}

/* Calendar Navigation */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.nav-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.nav-btn:active {
    transform: scale(0.95);
}

.month-title {
    font-size: 1.5rem;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
}

/* Date Controls */
.date-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.date-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-card);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.date-input,
.date-select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 6px 10px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
}

.date-input {
    width: 80px;
}

.date-select {
    width: 80px;
}

.date-input:focus,
.date-select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
}

.today-btn {
    padding: 8px 16px;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.today-btn:hover {
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* 每月主軸 */
.monthly-theme-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.monthly-theme-container .theme-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.monthly-theme-container .theme-icon {
    font-size: 1.2rem;
}

.monthly-theme-input {
    flex: 1;
    min-width: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-normal);
}

.monthly-theme-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(233, 69, 96, 0.2);
}

.monthly-theme-input::placeholder {
    color: var(--text-muted);
}

/* Weekdays */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

/* 含週數的星期標題 */
.calendar-weekdays.with-week {
    grid-template-columns: 50px repeat(7, 1fr);
}

.weekday {
    text-align: center;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.weekday.week-header {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.weekday:nth-child(2) {
    color: var(--accent-primary);
}

.weekday:last-child {
    color: #60a5fa;
}

/* 無週數欄位時的原始樣式 */
.calendar-weekdays:not(.with-week) .weekday:first-child {
    color: var(--accent-primary);
}

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-xs);
}

/* 含週數的日曆格子 */
.calendar-grid.with-week {
    grid-template-columns: 50px repeat(7, 1fr);
}

/* 週數標籤 */
.week-number {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
}

/* Day Cell */
/* Day Post Chips */
.post-chips-container {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 4px;
    width: 100%;
    overflow: hidden;
}

.post-chip {
    font-size: 0.75rem;
    padding: 2px 4px;
    border-radius: 3px;
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
    line-height: 1.2;
}

.post-chip.completed {
    opacity: 0.8;
    text-decoration: line-through;
}

.more-posts-indicator {
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding-left: 4px;
    margin-top: 1px;
}

/* 確保格子變高時內容不會溢出 */
.day-cell {
    min-height: 110px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.day-number {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
    flex-shrink: 0;
}

.day-cell:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.day-cell.empty {
    background: transparent;
    cursor: default;
}

.day-cell.empty:hover {
    transform: none;
    box-shadow: none;
}

.day-cell.today {
    border: 2px solid var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

/* has-post 樣式可以簡化，因為現在有 chips */
.day-cell.has-post {
    background: var(--bg-card);
    /* 保持原色，讓 chips 突出 */
}

/* 週日文字顏色 - 紅色 */
.day-cell.sunday .day-number {
    color: var(--accent-primary);
}

/* 週六文字顏色 - 藍色 */
.day-cell.saturday .day-number {
    color: #60a5fa;
}

/* Status Colors based on Checklist Completion */
.day-cell[data-color="red"] {
    border: 2px solid var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

.day-cell[data-color="orange"] {
    border: 2px solid var(--warning);
    background: rgba(249, 115, 22, 0.05);
}

.day-cell[data-color="yellow"] {
    border: 2px solid #eab308;
    background: rgba(234, 179, 8, 0.05);
}

.day-cell[data-color="green"] {
    border: 2px solid var(--success);
    background: rgba(34, 197, 94, 0.05);
}

/* Ensure Today border takes precedence or combines */
.day-cell.today[data-color] {
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-primary);
    border-color: transparent;
    /* Let box-shadow handle today highlight */
}

/* Chips in colored cells */
.day-cell[data-color] .post-chip {
    background: rgba(255, 255, 255, 0.5);
}

/* Drag and Drop Styles */
.day-cell.drag-over {
    background: rgba(59, 130, 246, 0.2);
    border: 2px dashed var(--accent-primary);
    transform: scale(1.02);
    transition: all var(--transition-fast);
}

.post-chip[draggable="true"] {
    cursor: grab;
    user-select: none;
}

.post-chip[draggable="true"]:active {
    cursor: grabbing;
}

/* ===========================
   Stats Bar
   =========================== */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease 0.3s both;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: var(--border-color);
    margin: 0 var(--spacing-sm);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* Action Sections - New Design */
.action-section {
    margin-top: var(--spacing-sm);
    min-width: 100px;
    flex-shrink: 0;
}

.action-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    padding: 0 var(--spacing-xs);
    white-space: nowrap;
}

.section-icon {
    font-size: 1rem;
    opacity: 0.8;
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-buttons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.action-btn-new {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--spacing-sm) var(--spacing-xs);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    min-height: 54px;
    position: relative;
    overflow: hidden;
}

.action-btn-new::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.action-btn-new:hover::before {
    opacity: 1;
}

.action-btn-new .btn-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.action-btn-new:hover .btn-icon {
    transform: scale(1.2);
}

.action-btn-new .btn-text {
    font-size: 0.75rem;
    opacity: 0.9;
}

/* Button Color Variants */
.action-btn-new.export {
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(59, 130, 246, 0.05));
}

.action-btn-new.export:hover {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.2));
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.action-btn-new.import {
    border-color: rgba(168, 85, 247, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(168, 85, 247, 0.05));
}

.action-btn-new.import:hover {
    border-color: #a855f7;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0.2));
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.action-btn-new.github-backup {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(34, 197, 94, 0.05));
}

.action-btn-new.github-backup:hover {
    border-color: #22c55e;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.2));
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.action-btn-new.github-restore {
    border-color: rgba(251, 191, 36, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(251, 191, 36, 0.05));
}

.action-btn-new.github-restore:hover {
    border-color: #fbbf24;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.2));
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

/* Cloud Sync Button Styles */
.action-btn-new.cloud-config {
    border-color: rgba(139, 92, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.05));
}

.action-btn-new.cloud-config:hover {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(139, 92, 246, 0.2));
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.action-btn-new.cloud-sync {
    border-color: rgba(6, 182, 212, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(6, 182, 212, 0.05));
}

.action-btn-new.cloud-sync:hover {
    border-color: #06b6d4;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.2));
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

/* 連結按鈕樣式 */
a.action-btn-new {
    text-decoration: none;
}

/* 團隊管理按鈕 */
.action-btn-new.team-manage {
    border-color: rgba(139, 92, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.05));
    grid-column: span 2;
}

.action-btn-new.team-manage:hover {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(139, 92, 246, 0.2));
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Cloud Sync Status Indicator */
.cloud-status {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.cloud-status.not-configured {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-secondary);
}

.cloud-status.offline {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.cloud-status.syncing {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    animation: pulse 1.5s infinite;
}

.cloud-status.synced {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.cloud-status.connected {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

/* ===========================
   Google Drive Backup Styles
   =========================== */

/* Google Drive Section */
.google-drive-section {
    border-top: 1px dashed var(--border-color);
    padding-top: var(--spacing-sm);
}

/* Google Drive Status Badge */
.google-drive-status {
    margin-left: auto;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    font-weight: 500;
}

.google-drive-status.not-configured {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.google-drive-status.ready {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-secondary);
}

.google-drive-status.signed-in {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.google-drive-status.uploading,
.google-drive-status.downloading {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    animation: pulse 1.5s infinite;
}

.google-drive-status.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

/* Google Drive Buttons */
.action-btn-new.google-signin {
    border-color: rgba(66, 133, 244, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(66, 133, 244, 0.05));
}

.action-btn-new.google-signin:hover {
    border-color: #4285f4;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(66, 133, 244, 0.2));
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.action-btn-new.google-backup {
    border-color: rgba(52, 168, 83, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(52, 168, 83, 0.05));
}

.action-btn-new.google-backup:hover {
    border-color: #34a853;
    background: linear-gradient(135deg, rgba(52, 168, 83, 0.1), rgba(52, 168, 83, 0.2));
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.3);
}

.action-btn-new.google-restore {
    border-color: rgba(251, 188, 5, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(251, 188, 5, 0.05));
}

.action-btn-new.google-restore:hover {
    border-color: #fbbc05;
    background: linear-gradient(135deg, rgba(251, 188, 5, 0.1), rgba(251, 188, 5, 0.2));
    box-shadow: 0 4px 12px rgba(251, 188, 5, 0.3);
}

.action-btn-new.google-help {
    border-color: rgba(234, 67, 53, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(234, 67, 53, 0.05));
}

.action-btn-new.google-help:hover {
    border-color: #ea4335;
    background: linear-gradient(135deg, rgba(234, 67, 53, 0.1), rgba(234, 67, 53, 0.2));
    box-shadow: 0 4px 12px rgba(234, 67, 53, 0.3);
}

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

.action-btn-new:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Last Backup Time */
.last-backup-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-xs);
}

/* Google Drive Modal */
.google-drive-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.google-drive-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.google-drive-modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

.google-drive-modal-content h3 {
    margin: 0 0 var(--spacing-md);
    color: var(--text-primary);
    font-size: 1.25rem;
}

/* Backup List */
.backup-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
}

.backup-item {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.backup-item:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.backup-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    word-break: break-all;
}

.backup-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.backup-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Modal Actions */
.google-drive-modal .modal-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.google-drive-modal .btn-cancel {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.google-drive-modal .btn-cancel:hover {
    border-color: var(--text-secondary);
    background: var(--bg-card-hover);
}

/* Toast for Google Drive */
#googleDriveToast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 10001;
    pointer-events: none;
}

#googleDriveToast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

#googleDriveToast.success {
    border-left: 4px solid #22c55e;
}

#googleDriveToast.error {
    border-left: 4px solid #ef4444;
}

#googleDriveToast.warning {
    border-left: 4px solid #f59e0b;
}

#googleDriveToast.info {
    border-left: 4px solid #3b82f6;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 團隊名稱標籤 */
.team-name-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
    font-weight: 500;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}


/* ===========================
   Modal
   =========================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    /* Default for single view */
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

/* Multi-post Modal Styles */
.modal-content.with-sidebar {
    max-width: 800px;
    flex-direction: row;
}

.post-sidebar {
    width: 250px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.post-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
}

.sidebar-header h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

.add-post-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--accent-primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    line-height: 1;
    transition: transform var(--transition-fast);
}

.add-post-btn:hover {
    transform: scale(1.1);
}

.post-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.post-list-item {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.post-list-item:hover {
    background: var(--bg-hover);
}

.post-list-item.active {
    border-color: var(--accent-primary);
    background: rgba(233, 69, 96, 0.1);
}

.post-item-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-item-preview {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-item-author {
    font-size: 0.7rem;
    color: var(--accent-primary);
    margin-top: 4px;
    opacity: 0.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .modal-content.with-sidebar {
        flex-direction: column;
    }

    .post-sidebar {
        width: 100%;
        height: 150px;
        /* Initial height */
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--danger);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

/* ===========================
   Form Elements
   =========================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.label-icon {
    font-size: 1.1rem;
}

.label-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.action-link {
    background: none;
    border: 1px solid transparent;
    color: var(--accent-primary);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.action-link:hover {
    background: rgba(233, 69, 96, 0.1);
    border-color: rgba(233, 69, 96, 0.2);
}

.post-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    min-height: 100px;
    transition: border-color var(--transition-fast);
}

.post-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.post-textarea::placeholder {
    color: var(--text-muted);
}

/* Title Input */
.post-title-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 500;
    transition: border-color var(--transition-fast);
}

.post-title-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.post-title-input::placeholder {
    color: var(--text-muted);
}

/* Color Picker */
.color-picker {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.color-option {
    width: 36px;
    height: 36px;
    border: 3px solid transparent;
    border-radius: var(--radius-full);
    background: var(--color);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.color-option:hover {
    transform: scale(1.15);
}

.color-option.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 12px var(--color);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Day Title Display */
.day-title {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 2px 4px;
    border-radius: 4px;
    margin-top: 2px;
}

/* Color variants for day cells */
.day-cell[data-color="red"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(239, 68, 68, 0.3) 100%);
}

.day-cell[data-color="orange"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(249, 115, 22, 0.3) 100%);
}

.day-cell[data-color="yellow"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(234, 179, 8, 0.3) 100%);
}

.day-cell[data-color="green"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(34, 197, 94, 0.3) 100%);
}

.day-cell[data-color="blue"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59, 130, 246, 0.3) 100%);
}

.day-cell[data-color="purple"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(168, 85, 247, 0.3) 100%);
}

.day-cell[data-color="pink"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(236, 72, 153, 0.3) 100%);
}

.day-cell[data-color="gray"] {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(107, 114, 128, 0.3) 100%);
}

.day-cell[data-color="red"] .day-title {
    background: rgba(239, 68, 68, 0.3);
}

.day-cell[data-color="orange"] .day-title {
    background: rgba(249, 115, 22, 0.3);
}

.day-cell[data-color="yellow"] .day-title {
    background: rgba(234, 179, 8, 0.3);
}

.day-cell[data-color="green"] .day-title {
    background: rgba(34, 197, 94, 0.3);
}

.day-cell[data-color="blue"] .day-title {
    background: rgba(59, 130, 246, 0.3);
}

.day-cell[data-color="purple"] .day-title {
    background: rgba(168, 85, 247, 0.3);
}

.day-cell[data-color="pink"] .day-title {
    background: rgba(236, 72, 153, 0.3);
}

.day-cell[data-color="gray"] .day-title {
    background: rgba(107, 114, 128, 0.3);
}

/* ===========================
   Image Upload
   =========================== */
.image-upload-area {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.image-preview-container {
    display: contents;
}

.image-preview {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.image-preview:hover img {
    transform: scale(1.1);
}

.image-preview .remove-image {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--danger);
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.image-preview:hover .remove-image {
    opacity: 1;
}

.upload-btn {
    width: 80px;
    height: 80px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-muted);
}

.upload-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(233, 69, 96, 0.1);
}

.upload-icon {
    font-size: 1.5rem;
}

.upload-text {
    font-size: 0.7rem;
    margin-top: 2px;
}

/* ===========================
   Checklist
   =========================== */
.checklist-container {
    margin-bottom: var(--spacing-md);
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.checklist-item:hover {
    background: var(--bg-card-hover);
}

.checklist-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.checklist-item .item-text {
    flex: 1;
    font-size: 0.95rem;
}

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

.checklist-item .remove-item {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
}

.checklist-item:hover .remove-item {
    opacity: 1;
}

.checklist-item .remove-item:hover {
    background: var(--danger);
    color: white;
}

.add-checklist-item {
    display: flex;
    gap: var(--spacing-sm);
}

.checklist-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.checklist-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.checklist-input::placeholder {
    color: var(--text-muted);
}

.add-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--accent-primary);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-btn:hover {
    background: #d63d56;
    transform: scale(1.05);
}

.add-btn:active {
    transform: scale(0.95);
}

/* ===========================
   Image Upload
   =========================== */
.image-upload-area {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.upload-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.image-preview {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.image-preview:hover img {
    transform: scale(1.1);
}

.image-preview .remove-image {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--danger);
    color: white;
    font-size: 0.8rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.image-preview:hover .remove-image {
    opacity: 1;
}

/* Image View Modal */
.image-view-modal .image-view-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-view-modal .image-view-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-view-modal .close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    background: var(--bg-secondary);
}

/* ===========================
   Notes
   =========================== */
.notes-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    min-height: 60px;
    transition: border-color var(--transition-fast);
}

.notes-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.notes-textarea::placeholder {
    color: var(--text-muted);
}

.notes-counter {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.label-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: normal;
    margin-left: var(--spacing-sm);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: #d63d56;
    box-shadow: var(--shadow-glow);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

/* ===========================
   Image View Modal
   =========================== */
.image-view-modal .modal-overlay {
    background: rgba(0, 0, 0, 0.9);
}

.image-view-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.image-view-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.image-view-content .close-btn {
    position: absolute;
    top: -40px;
    right: 0;
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .app-container {
        padding: var(--spacing-md);
    }

    .app-header h1 {
        font-size: 1.8rem;
    }

    .calendar-nav {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-group {
        width: 100%;
        justify-content: center;
    }

    .date-controls {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .month-title {
        font-size: 1.2rem;
        min-width: 150px;
    }

    /* 日曆格子 - 適合觸控 */
    .day-cell {
        min-height: 70px;
        padding: var(--spacing-xs);
    }

    .day-number {
        font-size: 0.85rem;
    }

    /* Stats Bar - 手機版優化 */
    .stats-bar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .stat-item {
        justify-content: center;
        padding: var(--spacing-sm);
        background: var(--bg-card);
        border-radius: var(--radius-md);
    }

    .stat-divider {
        display: none;
    }

    /* 操作區塊 - 手機版 */
    .action-section {
        grid-column: span 2;
        margin-top: var(--spacing-xs);
    }

    .action-section-header {
        justify-content: center;
    }

    .action-buttons-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .action-btn-new {
        flex-direction: row;
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .action-btn-new .btn-icon {
        font-size: 1.2rem;
    }

    .action-btn-new .btn-text {
        font-size: 0.85rem;
    }

    /* 團隊名稱標籤 */
    .team-name-badge {
        max-width: 80px;
        font-size: 0.65rem;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .app-header h1 {
        font-size: 1.5rem;
    }

    .app-header .subtitle {
        font-size: 0.9rem;
    }

    /* 主題選擇器 - 可滾動 */
    .theme-switcher {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .theme-btn {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    /* 日曆格子 */
    .day-cell {
        min-height: 50px;
        padding: 2px;
    }

    .day-number {
        font-size: 0.75rem;
    }

    .post-chips-container {
        display: none;
    }

    .day-cell.has-post::after {
        content: '';
        position: absolute;
        bottom: 3px;
        left: 50%;
        transform: translateX(-50%);
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--accent-primary);
    }

    /* Stats Bar - 單欄佈局 */
    .stats-bar {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .stat-item {
        flex-direction: row;
        gap: var(--spacing-sm);
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    /* 操作區塊 */
    .action-section {
        grid-column: span 1;
    }

    .action-section-header {
        font-size: 0.8rem;
    }

    .section-title {
        font-size: 0.75rem;
    }

    .action-btn-new {
        min-height: 40px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .action-btn-new .btn-icon {
        font-size: 1rem;
    }

    .action-btn-new .btn-text {
        font-size: 0.75rem;
    }

    /* Modal */
    .modal-content {
        width: 98%;
        max-height: 98vh;
        border-radius: var(--radius-md);
    }

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-footer {
        padding: var(--spacing-md);
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    /* 同步浮動標籤 */
    .sync-floating-badge {
        bottom: 10px;
        right: 10px;
        padding: 8px 10px;
    }

    .sync-badge-icon {
        font-size: 1.2rem;
    }

    .sync-badge-status {
        font-size: 0.75rem;
    }
}

/* ===========================
   Footer
   =========================== */
.app-footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

/* ===========================
   Floating Sync Badge
   =========================== */
.sync-floating-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-normal);
}

.sync-floating-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.sync-badge-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sync-badge-icon {
    font-size: 1.5rem;
}

.sync-badge-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sync-badge-status {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sync-badge-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sync-badge-user {
    font-size: 0.7rem;
    color: var(--accent-primary);
    font-weight: 500;
    cursor: pointer;
}

.sync-badge-user:hover {
    text-decoration: underline;
}

.sync-badge-content {
    cursor: pointer;
}

/* 線上使用者列表 */
.online-users-list {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    max-height: 200px;
    overflow-y: auto;
}

.online-users-header {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.online-users-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.online-user {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-primary);
}

.online-user.is-me {
    background: rgba(233, 69, 96, 0.15);
}

.user-dot {
    color: var(--success);
    font-size: 0.6rem;
}

.no-users {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    padding: 8px;
}

.sync-floating-badge.syncing .sync-badge-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ===========================
   Activity Log Modal & UI
   =========================== */
.modal-content.activity-log-content {
    max-width: 650px;
    width: 95%;
}

.activity-log-body {
    display: flex;
    flex-direction: column;
    height: 70vh;
    padding: var(--spacing-md);
    overflow: hidden;
}

.activity-log-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.log-filter-select {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.log-filter-select:focus {
    border-color: var(--accent-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.activity-log-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-right: var(--spacing-xs);
}

.activity-log-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    border-left: 4px solid var(--accent-primary);
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.activity-log-item:hover {
    transform: translateX(2px);
    background: var(--bg-card-hover);
}

.activity-log-item.status-success {
    border-left-color: var(--success);
}

.activity-log-item.status-info {
    border-left-color: var(--accent-primary);
}

.activity-log-item.status-warning {
    border-left-color: var(--warning);
}

.activity-log-item.status-error {
    border-left-color: var(--danger);
}

.activity-log-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .activity-log-icon {
    background: rgba(255, 255, 255, 0.05);
}

.activity-log-info {
    flex: 1;
}

.activity-log-message {
    font-size: 0.925rem;
    color: var(--text-primary);
}

.activity-log-user {
    font-weight: 600;
    color: var(--accent-primary);
}

.activity-log-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===========================
   第九階段：分類標籤管理系統樣式
   =========================== */

/* 行事曆頂部篩選下拉選單 */
.tag-filter-select {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: all var(--transition-fast);
}

.tag-filter-select:hover,
.tag-filter-select:focus {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

/* 側邊欄主題比例統計區 */
.tag-stats-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.tag-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tag-stat-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.825rem;
    color: var(--text-secondary);
}

.tag-stat-name {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.tag-stat-name .dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.tag-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.tag-stat-track {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.tag-stat-bar {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-slow) ease-out;
}

/* 自訂標籤 Modal 內部樣式 */
.tag-settings-content {
    max-width: 500px;
}

.tag-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tag-input-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tag-input-item .color-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.tag-input-item label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-width: 90px;
}

.tag-name-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

.tag-name-input:focus {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

/* ===========================
   第十階段：發文日期最佳建議樣式
   =========================== */
.publish-recommendation-group {
    margin-top: var(--spacing-md);
}

.recommendation-box {
    background: rgba(59, 130, 246, 0.04);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-xs);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .recommendation-box {
    background: rgba(96, 165, 250, 0.04);
    border-color: rgba(96, 165, 250, 0.15);
}

.recommendation-reason {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}

.recommendation-reason::before {
    content: "💡";
    font-size: 1rem;
}

.recommended-dates-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.recommend-date-btn {
    flex: 1;
    min-width: 130px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.825rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: var(--shadow-sm);
}

.recommend-date-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.recommend-date-btn .btn-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.recommend-date-btn .badge-primary {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.recommend-date-btn .badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.recommend-date-btn .badge-warning {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

/* ===========================
   Sync Safety Center v2
   =========================== */
.cloud-status.local-only {
    background: rgba(37, 99, 235, 0.12);
    color: #2563eb;
}

.sync-floating-badge {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px;
    max-width: min(360px, calc(100vw - 32px));
    padding: 6px;
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
    backdrop-filter: blur(16px) saturate(140%);
}

.sync-badge-content {
    appearance: none;
    width: 100%;
    min-width: 0;
    padding: 7px 9px;
    border: 0;
    border-radius: 12px;
    color: inherit;
    background: transparent;
    text-align: left;
}

.sync-badge-content:disabled {
    cursor: progress;
    opacity: 0.78;
}

.sync-badge-content:hover,
.sync-badge-user:hover {
    background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
}

.sync-badge-content:focus-visible,
.sync-badge-user:focus-visible,
.sync-detail-panel button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--accent-primary) 45%, transparent);
    outline-offset: 2px;
}

.sync-badge-icon {
    display: inline-grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 10px;
    background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-card));
    color: var(--accent-primary);
    font-size: 1rem;
    font-weight: 800;
}

.sync-badge-icon.is-pulsing { animation: sync-soft-pulse 1.8s ease-in-out infinite; }
.sync-badge-icon.is-spinning { animation: spin 1.2s linear infinite; }
.sync-badge-status[data-state='connected'] { color: #059669; }
.sync-badge-status[data-state='pending'] { color: #b45309; }
.sync-badge-status[data-state='conflict'],
.sync-badge-status[data-state='error'],
.sync-badge-status[data-state='offline'] { color: #dc2626; }
.sync-badge-status[data-state='local'] { color: #2563eb; }

.sync-badge-user {
    appearance: none;
    align-self: stretch;
    min-width: 44px;
    padding: 6px 9px;
    border: 0;
    border-left: 1px solid var(--border-color);
    border-radius: 0 12px 12px 0;
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 0.72rem;
}

.sync-detail-panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + 12px);
    width: min(420px, calc(100vw - 32px));
    max-height: min(76vh, 680px);
    overflow: auto;
    overscroll-behavior: contain;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--accent-primary) 20%, var(--border-color));
    border-radius: 20px;
    background: color-mix(in srgb, var(--bg-card) 96%, transparent);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
    color: var(--text-primary);
    transform-origin: bottom right;
    animation: sync-panel-in 180ms ease-out;
}

.sync-detail-panel[hidden] { display: none; }
.sync-panel-header,
.sync-section-heading,
.sync-panel-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.sync-panel-header h2,
.sync-section-heading h3 { margin: 2px 0 0; color: var(--text-primary); line-height: 1.25; }
.sync-panel-header h2 { font-size: 1.02rem; }
.sync-section-heading h3 { font-size: 0.86rem; }
.sync-eyebrow { color: var(--accent-primary); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.11em; }

.sync-icon-button {
    appearance: none;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    border: 1px solid var(--border-color);
    border-radius: 11px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    cursor: pointer;
    font-size: 1.25rem;
}

.sync-panel-summary { margin: 10px 0 14px; color: var(--text-secondary); font-size: 0.76rem; line-height: 1.55; }
.sync-local-notice {
    margin-bottom: 12px;
    padding: 10px 12px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
    font-size: 0.75rem;
    line-height: 1.45;
}

.sync-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 14px; }
.sync-metric {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
}
.sync-metric span { color: var(--text-secondary); font-size: 0.68rem; }
.sync-metric strong { overflow: hidden; font-size: 0.8rem; text-overflow: ellipsis; white-space: nowrap; }

.sync-alert-section,
.sync-queue-section { margin-top: 12px; padding: 12px; border: 1px solid var(--border-color); border-radius: 14px; background: var(--bg-secondary); }
.sync-alert-section { border-color: rgba(220, 38, 38, 0.24); background: color-mix(in srgb, #fef2f2 72%, var(--bg-secondary)); }
.sync-inline-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.sync-link-button { appearance: none; padding: 4px; border: 0; color: #2563eb; background: transparent; cursor: pointer; font: inherit; font-size: 0.7rem; font-weight: 700; }
.sync-link-button.is-danger { color: #dc2626; }
.sync-link-button:hover { text-decoration: underline; }

.sync-operation-list { display: grid; gap: 7px; max-height: 190px; margin-top: 9px; overflow: auto; }
.sync-operation { padding: 9px 10px; border: 1px solid var(--border-color); border-radius: 10px; background: var(--bg-card); }
.sync-operation.is-conflict { border-color: rgba(217, 119, 6, 0.42); }
.sync-operation-main { display: flex; min-width: 0; align-items: center; gap: 7px; }
.sync-operation-main strong { overflow: hidden; font-size: 0.76rem; text-overflow: ellipsis; white-space: nowrap; }
.sync-operation-action { flex: 0 0 auto; padding: 2px 6px; border-radius: 999px; background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-secondary)); color: var(--accent-primary); font-size: 0.62rem; font-weight: 800; }
.sync-operation-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 5px; color: var(--text-secondary); font-size: 0.65rem; }
.sync-operation-error { margin: 5px 0 0; color: #b91c1c; font-size: 0.66rem; line-height: 1.35; }
.sync-empty-state { display: flex; align-items: center; gap: 9px; margin-top: 12px; padding: 12px; border: 1px dashed var(--border-color); border-radius: 12px; color: var(--text-secondary); }
.sync-empty-state span { color: #059669; font-size: 1.1rem; font-weight: 800; }
.sync-empty-state p { margin: 0; font-size: 0.74rem; }

.sync-panel-footer { align-items: flex-end; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border-color); }
.sync-panel-footer > span { max-width: 45%; color: var(--text-secondary); font-size: 0.66rem; line-height: 1.35; }
.sync-primary-button { appearance: none; min-height: 40px; padding: 8px 15px; border: 0; border-radius: 11px; background: linear-gradient(135deg, var(--accent-primary), #2563eb); color: white; cursor: pointer; font: inherit; font-size: 0.76rem; font-weight: 800; box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2); }
.sync-primary-button:disabled { opacity: 0.58; cursor: not-allowed; box-shadow: none; }

@keyframes sync-panel-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@keyframes sync-soft-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

@media (max-width: 520px) {
    .sync-floating-badge { right: 12px; bottom: 12px; max-width: calc(100vw - 24px); }
    .sync-detail-panel { position: fixed; right: 12px; bottom: 82px; left: 12px; width: auto; max-height: calc(100dvh - 106px); border-radius: 18px; }
    .sync-panel-footer { align-items: stretch; flex-direction: column; }
    .sync-panel-footer > span { max-width: none; }
    .sync-primary-button { width: 100%; }
}

@media (max-width: 480px) {
    .monthly-theme-container {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px;
        padding: 12px;
    }

    .monthly-theme-container .theme-label {
        grid-column: 1 / -1;
    }

    .monthly-theme-input {
        grid-column: 1;
        width: 100%;
    }

    .theme-ux-container {
        grid-column: 2;
        margin-left: 0 !important;
    }

    /* hover transform 會讓 fixed 子面板誤以 badge 為 containing block。 */
    .sync-floating-badge:hover {
        transform: none;
    }

    .sync-floating-badge {
        /* backdrop-filter 也會建立 fixed containing block，導致面板被壓在 badge 寬度內。 */
        backdrop-filter: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sync-detail-panel,
    .sync-badge-icon.is-pulsing,
    .sync-badge-icon.is-spinning { animation: none; }
}
/* Cloud connection MVC */
.cloud-help { font-size: .82rem; line-height: 1.6; overflow-wrap: anywhere; margin: .5rem 0; }
.cloud-transfer-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.cloud-dialog { width: min(520px, calc(100vw - 32px)); max-width: calc(100vw - 32px); max-height: calc(100dvh - 32px); box-sizing: border-box; border: 1px solid var(--border-color, #ddd); border-radius: 16px; padding: 24px; color: var(--text-primary, #222); background: var(--bg-primary, #fff); overflow: auto; }
.cloud-dialog::backdrop { background: rgb(0 0 0 / 45%); }
.cloud-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cloud-dialog-header h2 { margin: 0; font-size: 1.15rem; }
.cloud-connection-form { display: grid; gap: 12px; }
.cloud-connection-form label { display: grid; gap: 5px; font-size: .9rem; min-width: 0; }
.cloud-connection-form input:not([type=checkbox]), .cloud-connection-form select { width: 100%; min-width: 0; box-sizing: border-box; padding: 10px; border-radius: 8px; border: 1px solid var(--border-color, #ccc); background: var(--bg-secondary, #fafafa); color: inherit; font: inherit; }
.cloud-connection-form .cloud-copy-option { display: flex; align-items: start; gap: 8px; }
#cloudConnectionSection button { transition: opacity .2s ease, transform .2s ease; }
#cloudConnectionSection button:disabled { opacity: .55; cursor: wait; }
@media (max-width: 640px) {
    /* Keep footer controls reachable above the fixed sync status badge. */
    .app-footer { padding-bottom: 110px; }
}