:root {
    --bg-primary: #f0f0f0;
    --bg-card: #ffffff;
    --bg-surface: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --accent-color: #333333;
    --divider-color: rgba(0, 0, 0, 0.1);
    --radius-card: 20px;
    --radius-input: 16px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%; /* 防止iOS Safari自动调整文本大小 */
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    min-height: 100vh;
    min-height: 100dvh; /* 动态视口高度，适配移动端 */
    position: relative;
    /* 允许选中文字（含 iOS 长按选择/复制） */
    -webkit-touch-callout: default;
    -webkit-user-select: text;
    user-select: text;
    touch-action: manipulation; /* 优化触摸响应 */
    overflow-x: hidden; /* 防止横向滚动 */
}

/* 允许表单控件正常选中/编辑（不受 body 全局 user-select 影响） */
input,
select,
button,
textarea {
    -webkit-user-select: auto;
    user-select: auto;
}

/* 按钮类控件避免误选中文字 */
button,
.filter-chip,
.send-button {
    -webkit-user-select: none;
    user-select: none;
}

/* 隐藏iOS Safari可能的调试信息 */
body::before,
body::after {
    display: none !important;
}

/* 尝试隐藏键盘工具栏上方的额外元素 */
input::-webkit-input-placeholder {
    -webkit-tap-highlight-color: transparent;
}

/* 背景装饰 - 移除渐变，使用纯色 */
.bg-decoration {
    display: none;
}

.container {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh; /* 动态视口高度，适配移动端 */
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    margin: 0 auto;
}

/* 内容区域 */
.content-area {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-xl);
    /* iPhone 刘海/灵动岛安全区留白（留白颜色来自 body 背景） */
    padding-top: calc(var(--spacing-md) + constant(safe-area-inset-top));
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
    /* 底部留白：给右下角悬浮按钮腾空间（双按钮：+ 与返回顶部） */
    padding-bottom: calc(var(--spacing-lg) + 160px + env(safe-area-inset-bottom));
    overflow-y: auto;
}

/* 顶部概览卡片（Today / 日期 / 今日记录数） */
.today-summary {
    display: block;
    margin-bottom: var(--spacing-lg);
}

.today-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px solid var(--divider-color);
    min-width: 0;
}

.today-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #000000;
    color: var(--text-primary);
    flex-shrink: 0;
}

.today-icon svg {
    width: 18px;
    height: 18px;
}

.today-info {
    flex: 0 0 auto; /* 不收缩：确保 Today/日期/统计完整显示 */
}

.today-title {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--text-primary);
    white-space: nowrap;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.today-title:hover {
    opacity: 0.72;
}

.today-subtitle {
    margin-top: 2px;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.today-count {
    color: var(--text-primary);
    letter-spacing: normal;
}

/* 顶部筛选栏 - Neumorphism（柔和阴影） + Material（秩序与间距） */
.filter-bar {
    position: static;
    z-index: auto;
    padding: 0;
    background: transparent;
    flex: 1 1 auto;
    min-width: 0; /* 允许在 flex 容器中收缩 */
    margin-left: var(--spacing-md);
    margin-right: calc(-1 * var(--spacing-lg)); /* 抵消卡片右内边距，让 chips 贴近右缘 */
}

/* 顶部横向滑动的圆角按钮（不折行、不显示滚动条） */
.filter-chips {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-xs);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    padding: 2px var(--spacing-sm) 2px 0; /* 右侧留少量滚动终点间距 */
    touch-action: pan-x;
    cursor: grab;
}

.filter-chips.is-dragging {
    cursor: grabbing;
}

.filter-chips.is-dragging .filter-chip {
    pointer-events: none;
}

.filter-chips::-webkit-scrollbar {
    display: none; /* WebKit */
}

.filter-chip-year-divider {
    flex: 0 0 auto;
    align-self: center;
    width: 1px;
    height: 20px;
    background: var(--divider-color);
    margin: 0 var(--spacing-sm);
    pointer-events: none;
}

.filter-chip {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    flex: 0 0 auto;
    min-height: 40px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid var(--divider-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 8px;
    font-weight: 400;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden; /* 某些 Android WebView 下帮助圆角裁切 */
}

.filter-chip:focus,
.filter-chip:focus-visible {
    outline: none; /* Android 上的焦点外框可能是直角虚线 */
}

.filter-chip:active {
    opacity: 0.85;
}

.filter-chip.is-selected {
    border-color: #000000;
    border-width: 2px; /* 用边框代替 outline，避免 Android 下直角外框 */
}

.filter-empty,
#inkToast {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px dashed rgba(0, 0, 0, 0.18);
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: -0.01em;
}

#inkToast {
    position: sticky;
    top: calc(var(--spacing-md) + env(safe-area-inset-top));
    z-index: 100;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* 日记卡片 - 简洁风格 */
.diary-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    margin-bottom: var(--spacing-lg);
    padding: 0;
    border: 1px solid var(--divider-color);
    overflow: hidden;
    position: relative;
}

/* 日记头部 - 杂志风格排版 */
.diary-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-md);
    border-bottom: 1px dashed #000000;
    background-color: var(--bg-card);
}

.diary-date {
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#composeCard {
    overflow: visible;
    z-index: 5;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

#composeCard .diary-header {
    position: relative;
    z-index: 6;
    overflow: visible;
    /* overflow:visible 时子元素背景不再被卡片裁切，需自行补齐顶部圆角 */
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.diary-date-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
    display: block;
}

#composeCard .diary-date.is-editable {
    appearance: none;
    -webkit-appearance: none;
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

#composeCard .diary-date.is-editable:hover,
#composeCard .diary-date.is-editable[aria-expanded="true"] {
    opacity: 0.72;
}

.compose-date-panel {
    position: absolute;
    left: 0;
    top: calc(100% + 8px);
    z-index: 40;
    min-width: min(280px, 78vw);
    padding: 12px;
    border-radius: 14px;
    border: 1px solid var(--divider-color);
    background: var(--bg-card);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.compose-date-panel-row {
    display: flex;
    gap: 10px;
}

.compose-date-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.compose-date-field-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
}

.compose-date-field input {
    width: 100%;
    min-height: 40px;
    padding: 8px 10px;
    border: 1px solid var(--divider-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    box-sizing: border-box;
}

.compose-date-panel-actions {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-top: 12px;
}

.compose-date-now,
.compose-date-done {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--divider-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 999px;
    min-height: 34px;
    padding: 0 14px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}

.compose-date-done {
    background: #111;
    border-color: #111;
    color: #fff;
    font-weight: 600;
}

.compose-date-now:active,
.compose-date-done:active {
    opacity: 0.8;
}

.diary-day {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    white-space: nowrap;
}

.diary-day-sep {
    flex-shrink: 0;
    width: 1px;
    height: 11px;
    background-color: currentColor;
    opacity: 0.28;
    border-radius: 1px;
}

/* 日记项容器 */
.diary-items {
    padding: var(--spacing-md) 0;
}

.diary-item {
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
}

.diary-item:not(:last-child) {
    padding-bottom: calc(var(--spacing-lg) + var(--spacing-sm));
}

.diary-item:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: calc(var(--spacing-sm) / 2);
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    height: 1px;
    background-image: repeating-linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.2) 0,
        rgba(0, 0, 0, 0.2) 4px,
        transparent 4px,
        transparent 9px
    );
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

/* 日记元信息 - 现代排版 */
.diary-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.diary-time {
    font-size: 13px;
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: 0.05em;
    font-variant-numeric: tabular-nums;
    min-width: 50px;
}


/* 日记正文 - 杂志风格 */
.diary-text {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.8;
    word-wrap: break-word;
    letter-spacing: -0.01em;
    font-weight: 400;
}

/* 日记卡片列表下方：上一月跳转 */
.next-month-nav {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: flex-start;
}

.next-month-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--divider-color);
    border-radius: 999px;
    background: var(--bg-card);
}

.next-month-link:active {
    opacity: 0.85;
}

/* 新建卡片：无边框 textarea（高度由 JS 随内容自适应） */
.diary-textarea {
    width: 100%;
    display: block;
    border: none;
    outline: none;
    background: transparent;
    resize: none;
    overflow: hidden;
    padding: 0;
    margin: 0;
    line-height: 1.8;
    min-height: 3.6em;
    font-family: inherit;
    box-sizing: border-box;
}

.diary-textarea[hidden] {
    display: none !important;
    min-height: 0;
}

/* 右下角悬浮按钮（+ / 返回顶部） */
.fab-add {
    position: fixed;
    right: 18px;
    bottom: calc(18px + env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
    border-radius: 999px;
    border: 2px solid #000000;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    outline: none;
}

.fab-add[hidden] {
    display: none !important;
}

.fab-top {
    bottom: calc(18px + 56px + 12px + env(safe-area-inset-bottom));
}

.fab-add:active {
    transform: translateY(1px);
    opacity: 0.88;
}

.fab-add svg {
    width: 24px;
    height: 24px;
}

body.compose-mode .fab-top {
    display: none !important;
}

/* 进入新建模式：隐藏所有旧卡片，只显示新卡片 */
body.compose-mode .diary-card:not(#composeCard) {
    display: none !important;
}

body.compose-mode #filterEmpty {
    display: none !important;
}

body.compose-mode .next-month-nav {
    display: none !important;
}

/* 新建/编辑卡片底部：左侧删除（编辑时）、右侧递交 */
.compose-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-xl);
}

.compose-actions-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    min-width: 0;
    margin-left: auto;
}

#composeCard .diary-items {
    padding-bottom: 0;
}

#composeCard .diary-item {
    padding-bottom: 0;
}

.compose-cancel-btn {
    flex-shrink: 0;
    height: auto;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    white-space: nowrap;
    cursor: pointer;
    font-family: inherit;
    text-align: right;
    -webkit-tap-highlight-color: transparent;
}

.compose-cancel-btn:active {
    opacity: 0.7;
}

.compose-delete-btn {
    flex-shrink: 0;
    height: auto;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: #8B2942;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    -webkit-tap-highlight-color: transparent;
}

.compose-delete-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.compose-delete-btn:active:not(:disabled) {
    opacity: 0.85;
}

.compose-submit-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.compose-submit-hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
}

.compose-submit-btn {
    width: auto;
    height: 44px;
    border-radius: 999px;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 16px;
    border: none;
    cursor: pointer;
    color: #fff;
}

.compose-submit-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.compose-submit-btn:active:not(:disabled) {
    opacity: 0.85;
    transform: scale(0.97);
}

.compose-submit-btn svg {
    display: block;
}

.compose-submit-btn svg path {
    fill: #fff;
}

.compose-submit-text {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: #fff;
    line-height: 1;
    white-space: nowrap;
}

.compose-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.compose-camera-btn {
    height: 44px;
    min-width: 44px;
    padding: 0 10px;
    border: 1px solid var(--divider-color);
    border-radius: 999px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.compose-camera-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

.compose-camera-btn:active {
    opacity: 0.75;
}

.compose-camera-btn.has-image {
    background: #111;
    color: #fff;
    border-color: #111;
}

.compose-camera-btn.has-image:active {
    opacity: 0.85;
}

.compose-camera-btn[hidden] {
    display: none !important;
}

.compose-drop-hint {
    display: none;
    margin-top: var(--spacing-sm);
    padding: 14px var(--spacing-md);
    border-radius: 12px;
    border: 1px dashed rgba(0, 0, 0, 0.18);
    background: var(--bg-primary);
    color: var(--text-tertiary);
    font-size: 13px;
    text-align: center;
    letter-spacing: -0.01em;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

#composeCard.is-dragover .compose-drop-hint {
    display: block;
    border-color: #000;
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
}

#composeCard.is-dragover {
    transform: scale(1.005);
    border-color: #000;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08), 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.compose-day-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    vertical-align: middle;
}

.compose-day-badge .ink-type-badge {
    margin: 0;
}

.compose-edit-btn {
    height: 44px;
    padding: 0 18px;
    border: none;
    border-radius: 999px;
    background: #000;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
}

.compose-edit-btn:active {
    opacity: 0.85;
}

.compose-image-area {
    margin-top: var(--spacing-sm);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.2s ease, opacity 0.2s ease, margin-top 0.2s ease;
}

.compose-image-area.is-visible {
    max-height: 480px;
    opacity: 1;
}

.compose-image-thumb {
    margin-bottom: 0;
}

.compose-image-frame {
    position: relative;
    display: inline-block;
    max-width: 100%;
    line-height: 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.compose-image-frame img,
.compose-image-preview {
    display: block;
    width: auto;
    height: auto;
    max-width: 260px;
    max-height: 320px;
    object-fit: contain;
    border-radius: 12px;
    cursor: zoom-in;
}

.ink-image-remove-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 999px;
    background: #fff;
    color: #1a1a1a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: inherit;
    z-index: 10;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.ink-image-remove-btn svg {
    width: 14px;
    height: 14px;
    display: block;
}

.ink-image-remove-btn:active {
    transform: scale(0.9);
    background-color: #f0f0f0;
}

.compose-preview-body {
    padding: 0 var(--spacing-xl);
}

.compose-preview-text {
    margin-bottom: var(--spacing-sm);
}

.compose-preview-media {
    margin-top: var(--spacing-sm);
}

.compose-preview-media .ink-diary-image-large {
    max-height: 60vh;
    object-fit: contain;
    background: var(--bg-primary);
}

.diary-media {
    margin-top: var(--spacing-sm);
}

.ink-type-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 2px 8px;
    border-radius: 100px;
    border: 1px solid var(--divider-color);
    color: var(--text-secondary);
    line-height: 1.4;
}

.ink-image-box {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.ink-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    min-width: 160px;
    padding: 24px;
    background: linear-gradient(145deg, #f3f3f3 0%, #e8e8e8 100%);
}

.ink-image-placeholder-icon {
    width: 52px;
    height: 52px;
    opacity: 0.55;
    display: block;
}

.ink-image-box.is-loading .ink-image-placeholder-icon {
    animation: ink-placeholder-pulse 1.6s ease-in-out infinite;
}

@keyframes ink-placeholder-pulse {
    0%, 100% {
        opacity: 0.45;
        transform: scale(1);
    }
    50% {
        opacity: 0.75;
        transform: scale(1.05);
    }
}

.ink-image-box.is-loaded .ink-image-placeholder,
.ink-image-box.is-error .ink-image-placeholder {
    display: none;
}

.ink-image-box:not(.is-loaded) .ink-diary-image.ink-diary-image-pending {
    display: none !important;
}

.ink-image-box:not(.is-loaded) .ink-image-expand {
    display: none;
}

.diary-media:not(.compose-preview-media) .ink-image-box {
    width: fit-content;
    max-width: 100%;
    min-width: 160px;
}

.diary-media.compose-preview-media .ink-image-box {
    width: 100%;
}

.ink-diary-image {
    display: block;
    border-radius: 12px;
    cursor: zoom-in;
}

.diary-media:not(.compose-preview-media) .ink-diary-image {
    width: auto;
    height: auto;
    /*max-width: 260px;*/
    max-height: 320px;
    object-fit: contain;
}

.diary-media.compose-preview-media .ink-diary-image,
.ink-diary-image-large {
    width: 100%;
    max-width: 100%;
    height: auto;
}

.ink-diary-image-thumb {
    transition: transform 0.3s ease;
}

.ink-diary-image-large {
    max-height: none;
    cursor: zoom-in;
}

.ink-image-expand {
    position: absolute;
    right: 8px;
    bottom: 8px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 1;
}

.ink-image-expand svg {
    width: 16px;
    height: 16px;
    display: block;
}

.ink-image-expand:active {
    background: rgba(0, 0, 0, 0.65);
}

.ink-image-retry {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 120px;
    padding: 16px;
    border: 1px dashed rgba(0, 0, 0, 0.2);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 13px;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
}

.ink-image-retry-icon svg {
    width: 22px;
    height: 22px;
    display: block;
    color: var(--text-primary);
}

.ink-image-retry-text {
    letter-spacing: -0.01em;
}

.ink-image-retry.is-loading .ink-image-retry-icon {
    animation: ink-spin 0.8s linear infinite;
}

.ink-image-retry[hidden] {
    display: none !important;
}

.ink-diary-image[hidden] {
    display: none !important;
}

.ink-image-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--text-secondary);
    font-size: 13px;
    border-radius: 12px;
    z-index: 3;
}

.ink-image-loading[hidden] {
    display: none !important;
}

.ink-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(0, 0, 0, 0.12);
    border-top-color: #111;
    border-radius: 50%;
    animation: ink-spin 0.75s linear infinite;
}

@keyframes ink-spin {
    to { transform: rotate(360deg); }
}

/* 全屏查看大图 */
.ink-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: opacity 0.3s ease;
}

.ink-lightbox[hidden] {
    display: none !important;
}

.ink-lightbox-image {
    max-width: min(92vw, 900px);
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    user-select: none;
    -webkit-user-drag: none;
}

.ink-lightbox-close {
    position: absolute;
    top: calc(16px + env(safe-area-inset-top));
    right: calc(16px + env(safe-area-inset-right));
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.ink-lightbox-close svg {
    width: 22px;
    height: 22px;
    display: block;
}

.ink-lightbox-close:active {
    transform: scale(0.95);
    background: rgba(255, 255, 255, 0.2);
}

/* 确认对话框 */
.ink-confirm {
    position: fixed;
    inset: 0;
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ink-confirm[hidden] {
    display: none !important;
}

.ink-confirm-panel {
    width: min(320px, 100%);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--divider-color);
    background: var(--bg-card);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14);
}

.ink-confirm-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.ink-confirm-message {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.ink-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.ink-confirm-btn {
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    border: none;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.ink-confirm-btn:active {
    opacity: 0.85;
}

.ink-confirm-cancel {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.ink-confirm-ok {
    background: #111;
    color: #fff;
    font-weight: 500;
}

.ink-confirm-ok.is-danger {
    background: #8B2942;
}

.diary-item {
    cursor: pointer;
}

#composeCard .diary-item {
    cursor: default;
}

/* 底部输入区域 - 简洁风格 */
.input-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md) var(--spacing-md);
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    z-index: 1000;
    border-top: 1px solid #000000;
    width: 100%;
    /* 确保在 iOS Safari 中正确处理键盘 */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    /* 防止位置异常 */
    will-change: bottom;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.datetime-wrapper {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

.datetime {
    text-align: center;
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
    font-variant-numeric: tabular-nums;
    padding: 0;
    background-color: transparent;
    border: none;
}

/* 输入框容器 */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

/* 输入框 - 简洁风格 */
.diary-input {
    width: 100%;
    padding: var(--spacing-md) 52px var(--spacing-md) var(--spacing-lg);
    border: 1px solid #000000;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    font-family: inherit;
    border-radius: var(--radius-input);
}

.diary-input::placeholder {
    color: var(--text-tertiary);
}

.diary-input:focus {
    background-color: var(--bg-card);
    border-color: #000000;
}

/* 发送按钮 - 在输入框内部右侧 */
.send-button {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background-color: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-input);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    outline: none;
    z-index: 10;
}

.send-button:focus {
    background-color: transparent;
    outline: none;
}

.send-button:active {
    background-color: transparent;
    opacity: 0.7;
}

.send-button svg {
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-area {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
        /* iPhone 刘海/灵动岛安全区留白（留白颜色来自 body 背景） */
        padding-top: calc(var(--spacing-md) + constant(safe-area-inset-top));
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

    .ink-account-bar {
        margin-bottom: var(--spacing-md);
    }

    .ink-account-bar-inner {
        padding-left: var(--spacing-sm);
    }

    .today-card {
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-sm);
        border-radius: 14px;
    }

    .filter-bar {
        margin-right: calc(-1 * var(--spacing-md));
    }

    .today-icon {
        width: 32px;
        height: 32px;
        border-radius: 12px;
    }
    
    .filter-chip {
        min-height: 30px;
        padding: 5px 8px;
        font-size: 12px;
    }
    
    .input-area {
        padding: var(--spacing-md);
    }
    
    .diary-card {
        margin-bottom: var(--spacing-md);
        border-radius: 16px;
    }

    #composeCard .diary-header {
        border-radius: 16px 16px 0 0;
    }
    
    .diary-header {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .diary-date {
        font-size: 16px;
        flex: 1;
        min-width: 0;
    }

    #composeCard .diary-date.is-editable {
        font-size: 16px;
    }
    
    .diary-day {
        flex-shrink: 0;
        white-space: nowrap;
    }
    
    .diary-item {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .diary-item:not(:last-child)::after {
        left: var(--spacing-lg);
        right: var(--spacing-lg);
    }

    #composeCard .diary-item {
        padding-bottom: 0;
    }

    #composeCard .compose-actions {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-md);
    }
    
    .diary-text {
        font-size: 15px;
    }

    .compose-drop-hint {
        display: none !important;
    }

    #composeCard.is-dragover .compose-drop-hint {
        display: block !important;
    }
}

/* 墨水屏优化 - 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --divider-color: rgba(0, 0, 0, 0.2);
    }
    
    .diary-card {
        border: 1px solid rgba(0, 0, 0, 0.2);
    }
}

/* 页顶账号信息栏 */
.ink-account-bar {
    margin-bottom: var(--spacing-md);
    padding: 0;
    text-align: left;
    font-size: 12px;
    color: var(--text-tertiary);
}

.ink-account-bar-inner {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding-left: var(--spacing-sm); /* 与 today-card 左内边距对齐 */
}

.ink-account-link {
    color: inherit;
    text-decoration: underline;
}

.ink-account-link:active {
    opacity: 0.75;
}

.ink-account-link.is-current {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    pointer-events: none;
}

.ink-back-diary {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border-radius: 999px;
    border: 1px solid var(--divider-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    flex-shrink: 0;
    letter-spacing: -0.01em;
    transition: opacity 0.15s ease;
}

.ink-back-diary svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.ink-back-diary:active {
    opacity: 0.72;
}

/* 次级页：与日记列表共用 content-area 布局 */
.content-area.ink-sub-page {
    padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
}

.content-area.ink-sub-page .ink-page-title,
.content-area.ink-sub-page .ink-page-lead {
    padding-left: var(--radius-card);
}

.content-area.ink-sub-page .ink-page-title {
    margin-top: var(--spacing-xs);
}

/* 页面底部标语 */
.ink-page-footer {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-2xl) var(--spacing-sm);
}

.ink-page-footer-text {
    margin: 0;
    font-size: 13px;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
}

/* 次级页顶栏 */
.ink-page-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
    border-bottom: 1px solid var(--divider-color);
    background: var(--bg-card);
}

.ink-page-nav-brand {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
}

.ink-page-nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.ink-page-nav-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 12px;
}

.ink-page-nav-link.is-active,
.ink-page-nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-primary);
}

.ink-page-nav-user {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-left: var(--spacing-xs);
}

/* 次级页内容 */
.ink-page-body {
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
}

.ink-page-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.ink-page-lead {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.ink-list-card {
    background: var(--bg-card);
    border: 1px solid var(--divider-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.ink-list-row {
    display: grid;
    gap: 6px var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--divider-color);
}

.ink-list-row:last-child {
    border-bottom: none;
}

.ink-list-row-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.ink-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 100px;
    border: 1px solid var(--divider-color);
    color: var(--text-secondary);
}

.ink-badge.is-ok {
    border-color: #000;
    color: var(--text-primary);
}

.ink-list-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 14px;
    font-weight: 600;
}

.ink-list-meta {
    font-size: 12px;
    color: var(--text-tertiary);
    word-break: break-all;
}

.ink-list-meta.copy-link {
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ink-list-row.is-mine .ink-list-code,
.ink-list-row.is-mine .ink-list-name {
    color: #0088cc;
}

.ua-cell {
    font-size: 12px;
    color: var(--text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 运动页 */
.ink-sport-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0;
}

.ink-sport-actions .filter-chip {
    flex: 1 1 140px;
    min-height: 44px;
    justify-content: center;
    font-size: 14px;
}

.ink-sport-actions .filter-chip.is-primary {
    font-weight: 700;
}

.ink-progress {
    height: 10px;
    border-radius: 100px;
    background: var(--bg-primary);
    border: 1px solid var(--divider-color);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.ink-progress-bar {
    height: 100%;
    background: #333;
    border-radius: 100px;
    min-width: 0;
}

.ink-score-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.ink-score-card {
    background: var(--bg-card);
    border: 1px solid var(--divider-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
}

.ink-score-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.ink-score-value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.ink-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
    margin-right: 6px;
    vertical-align: middle;
}

.ink-dot.is-alt {
    background: #999;
}

.ink-list-row.is-clickable {
    cursor: pointer;
}

.ink-list-row.is-clickable:hover {
    background: var(--bg-primary);
}

.ink-page-footnote {
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 超出竖屏手机宽度：内容列居中，悬浮按钮置于卡片外侧 */
@media (min-width: 481px) {
    .content-area {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        /* 桌面端悬浮按钮在内容列外侧，无需大块底部留白 */
        padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    }

    .fab-add {
        right: clamp(18px, calc((100% - 820px) / 2 - 56px - 18px), 100vw);
        left: auto;
    }

    .ink-page-footer {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }
}

/* 桌面端：内容区加宽，不恢复侧边日历 */
@media (min-width: 900px) {
    .ink-page-body {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    .content-area.ink-sub-page {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    .ink-page-nav {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        border-left: 1px solid transparent;
        border-right: 1px solid transparent;
    }

    .container {
        max-width: 860px;
    }

    .today-card {
        padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    }

    .filter-bar {
        margin-right: calc(-1 * var(--spacing-xl));
    }

    .filter-chip {
        min-height: 34px;
        padding: 6px 12px;
        font-size: 13px;
    }

    .diary-text {
        font-size: 16px;
    }

    .ink-list-row {
        grid-template-columns: minmax(90px, auto) minmax(80px, auto) 1fr;
        align-items: center;
    }

    .ink-list-row.log-row {
        grid-template-columns: 170px 120px 70px 1fr;
    }

    .ink-list-row.sport-row {
        grid-template-columns: 100px 1fr auto;
    }
}