/* ============================================================
   拾忆 · 收藏日记  —— 深色玻璃拟态主题（B 方案）
   Mobile-first：先写手机样式，再用 min-width 逐步扩展
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
    /* 背景与文字 */
    --bg:            #111217;
    --text:          #e5e7eb;
    --text-secondary:#9ca3af;
    --text-faint:    #6b7280;

    /* 玻璃材质 */
    --glass:         rgba(255, 255, 255, 0.055);
    --glass-strong:  rgba(255, 255, 255, 0.09);
    --glass-border:  rgba(255, 255, 255, 0.10);
    --glass-border-hover: rgba(255, 255, 255, 0.20);

    /* 主色渐变 */
    --indigo:        #4338ca;
    --violet:        #7c3aed;
    --gradient:      linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
    --glow:          rgba(124, 58, 237, 0.35);

    /* 类型色 */
    --type-diary:    #818cf8;
    --type-quote:    #f0abfc;
    --type-link:     #67e8f9;
    --type-image:    #fcd34d;

    /* 尺寸 */
    --radius:        16px;
    --radius-sm:     10px;
    --nav-h:         64px;
    --sidebar-w:     264px;

    --shadow-card:   0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-hover:  0 12px 40px rgba(76, 56, 202, 0.28);
}

/* ---------- 基础重置 ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 背景氛围光斑（固定层，不随滚动移动） */
.bg-ambient {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.bg-ambient::before,
.bg-ambient::after {
    content: "";
    position: absolute;
    width: 55vmax;
    height: 55vmax;
    border-radius: 50%;
    filter: blur(110px);
    opacity: 0.32;
}
.bg-ambient::before {
    background: radial-gradient(circle, #4338ca 0%, transparent 70%);
    top: -22vmax;
    right: -12vmax;
}
.bg-ambient::after {
    background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
    bottom: -26vmax;
    left: -16vmax;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

::selection {
    background: rgba(124, 58, 237, 0.5);
    color: #fff;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.24);
}
::-webkit-scrollbar-track {
    background: transparent;
}

/* ============================================================
   顶部导航
   ============================================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    background: rgba(17, 18, 23, 0.72);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--gradient);
    display: grid;
    place-items: center;
    box-shadow: 0 4px 14px var(--glow);
}

.logo-mark svg {
    width: 19px;
    height: 19px;
    color: #fff;
}

/* 搜索框 */
.search-box {
    flex: 1;
    max-width: 420px;
    margin-left: auto;
    position: relative;
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-faint);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    height: 40px;
    padding: 0 14px 0 40px;
    border-radius: var(--radius-sm);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.search-box input::placeholder {
    color: var(--text-faint);
}

.search-box input:focus {
    border-color: var(--glass-border-hover);
    background: var(--glass-strong);
}

/* 导航按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: grid;
    place-items: center;
    transition: background 0.2s, border-color 0.2s;
}

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

.icon-btn:hover {
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
}

/* 汉堡按钮（仅手机显示） */
.menu-toggle {
    display: grid;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s,
                border-color 0.2s, opacity 0.2s;
    white-space: nowrap;
}

.btn svg {
    width: 17px;
    height: 17px;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 16px var(--glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 26px var(--glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text);
}

.btn-ghost:hover {
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.24);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
}

/* 导航上的「写日记」按钮：手机端只显示图标 */
.nav-actions .btn-label {
    display: none;
}

/* ============================================================
   整体布局
   ============================================================ */
.layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 16px 60px;
    position: relative;
}

/* 遮罩（手机端侧边栏展开时） */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 110;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
}

.sidebar-overlay.show {
    display: block;
}

/* ============================================================
   侧边栏
   ============================================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 120;
    width: var(--sidebar-w);
    height: 100vh;
    padding: 20px 16px;
    background: rgba(17, 18, 23, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid var(--glass-border);
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    overflow-y: auto;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.sidebar-close {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: var(--glass);
}

.sidebar-close svg {
    width: 17px;
    height: 17px;
}

.sidebar-section {
    margin-bottom: 26px;
}

.sidebar-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-faint);
    margin-bottom: 12px;
    padding-left: 6px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.stat-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}

.stat-num {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-num.private {
    color: #c4b5fd;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 类型筛选 */
.filter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
    text-align: left;
}

.filter-item svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

.filter-item:hover {
    background: var(--glass);
    color: var(--text);
}

.filter-item.active {
    background: var(--glass-strong);
    color: #fff;
    border: 1px solid var(--glass-border);
}

.filter-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 12.5px;
    color: var(--text-secondary);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: all 0.18s;
}

.tag-chip:hover {
    color: var(--text);
    border-color: var(--glass-border-hover);
}

.tag-chip.active {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px var(--glow);
}

.tag-chip .tag-count {
    font-size: 11px;
    opacity: 0.7;
}

/* ============================================================
   主内容区
   ============================================================ */
.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
}

.page-subtitle {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 当前筛选状态条 */
.filter-bar {
    display: none;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.filter-bar.show {
    display: flex;
}

.filter-bar .clear-filter {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #c4b5fd;
    font-size: 13px;
}

.filter-bar .clear-filter svg {
    width: 13px;
    height: 13px;
}

/* ============================================================
   日记卡片网格
   ============================================================ */
.diary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.diary-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease,
                border-color 0.25s ease;
}

.diary-card:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-hover);
}

/* 卡片封面 */
.card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.diary-card:hover .card-cover img {
    transform: scale(1.04);
}

.card-cover-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(67, 56, 202, 0.18),
                                     rgba(124, 58, 237, 0.18));
}

.card-cover-placeholder svg {
    width: 34px;
    height: 34px;
    color: rgba(255, 255, 255, 0.35);
}

.card-body {
    padding: 16px 18px 14px;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

/* 卡片顶栏：类型 + 私密 */
.card-meta-top {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 9px;
}

.type-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
}

.type-badge svg {
    width: 13px;
    height: 13px;
}

.type-badge.diary { color: var(--type-diary); }
.type-badge.quote { color: var(--type-quote); }
.type-badge.link  { color: var(--type-link); }
.type-badge.image { color: var(--type-image); }

.private-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-faint);
    margin-left: auto;
}

.private-badge svg {
    width: 13px;
    height: 13px;
}

.card-title {
    font-size: 16.5px;
    font-weight: 650;
    line-height: 1.45;
    margin-bottom: 7px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-preview {
    font-size: 13.5px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* 链接卡片的原文链接 */
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    color: var(--type-link);
    margin-top: 8px;
    word-break: break-all;
}

.card-link svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* 卡片底部 */
.card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
}

.card-date {
    font-size: 12px;
    color: var(--text-faint);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.card-date svg {
    width: 12.5px;
    height: 12.5px;
}

.card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: auto;
}

.card-tags .mini-tag {
    font-size: 11.5px;
    color: #c4b5fd;
    background: rgba(124, 58, 237, 0.14);
    padding: 2px 9px;
    border-radius: 999px;
}

/* ============================================================
   空状态 / 加载状态
   ============================================================ */
.empty-state {
    display: none;
    text-align: center;
    padding: 70px 20px;
    grid-column: 1 / -1;
}

.empty-state.show {
    display: block;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: rgba(255, 255, 255, 0.25);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 22px;
}

.loading-state {
    display: none;
    grid-column: 1 / -1;
    text-align: center;
    padding: 70px 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.loading-state.show {
    display: block;
}

.spinner {
    width: 34px;
    height: 34px;
    border: 3px solid rgba(255, 255, 255, 0.12);
    border-top-color: var(--violet);
    border-radius: 50%;
    margin: 0 auto 14px;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================
   表单页面（新增 / 编辑）
   ============================================================ */
.form-wrap {
    max-width: 720px;
    margin: 0 auto;
}

.form-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 24px 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-label .required {
    color: #f0abfc;
    margin-left: 3px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-faint);
    margin-top: 6px;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 16px; /* 手机端 >=16px，避免 iOS 聚焦缩放 */
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

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

.form-control:focus {
    border-color: var(--glass-border-hover);
    background: rgba(255, 255, 255, 0.07);
}

textarea.form-control {
    min-height: 220px;
    resize: vertical;
    line-height: 1.7;
}

/* 类型选择（分段按钮） */
.type-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.type-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    padding: 14px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--glass-border);
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.18s;
}

.type-option svg {
    width: 21px;
    height: 21px;
}

.type-option:hover {
    background: rgba(255, 255, 255, 0.08);
}

.type-option.selected {
    color: #fff;
    border-color: transparent;
    background: var(--gradient);
    box-shadow: 0 4px 14px var(--glow);
}

/* 图片上传 */
.upload-area {
    border: 1.5px dashed var(--glass-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    padding: 26px 16px;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--glass-border-hover);
    background: rgba(255, 255, 255, 0.06);
}

.upload-area svg {
    width: 30px;
    height: 30px;
    color: var(--text-faint);
    margin-bottom: 8px;
}

.upload-area p {
    font-size: 13px;
    color: var(--text-secondary);
}

.upload-area .upload-tip {
    font-size: 12px;
    color: var(--text-faint);
    margin-top: 4px;
}

.upload-preview {
    display: none;
    position: relative;
    margin-top: 12px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.upload-preview.show {
    display: block;
}

.upload-preview img {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
}

.upload-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    display: grid;
    place-items: center;
}

.upload-remove svg {
    width: 16px;
    height: 16px;
}

.upload-status {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* 私密开关 */
.switch-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--glass-border);
}

.switch-row svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.switch-text {
    flex: 1;
    min-width: 0;
}

.switch-text strong {
    display: block;
    font-size: 14px;
}

.switch-text span {
    font-size: 12.5px;
    color: var(--text-secondary);
}

.switch {
    position: relative;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch .slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    transition: background 0.22s;
}

.switch .slider::before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.22s;
}

.switch input:checked + .slider {
    background: var(--gradient);
}

.switch input:checked + .slider::before {
    transform: translateX(20px);
}

/* 表单底部按钮 */
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
}

.form-actions .btn {
    flex: 1;
}

/* ============================================================
   详情页
   ============================================================ */
.detail-wrap {
    max-width: 760px;
    margin: 0 auto;
}

.detail-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    color: var(--text-secondary);
    height: 36px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: all 0.18s;
}

.back-link svg {
    width: 15px;
    height: 15px;
}

.back-link:hover {
    color: var(--text);
    border-color: var(--glass-border-hover);
}

.detail-toolbar .spacer {
    flex: 1;
}

.detail-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 30px 22px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
}

.detail-type-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.detail-title {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 14px;
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--text-secondary);
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    flex-wrap: wrap;
}

.detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.detail-meta svg {
    width: 14px;
    height: 14px;
}

.detail-image {
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

.detail-image img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
}

.detail-content {
    font-size: 16px;
    line-height: 1.9;
    color: #d1d5db;
    white-space: pre-wrap;
    word-break: break-word;
}

.detail-content.quote {
    font-size: 19px;
    line-height: 1.8;
    color: #e9d5ff;
    padding-left: 18px;
    border-left: 3px solid var(--violet);
    font-style: italic;
}

.detail-link-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: rgba(103, 232, 249, 0.08);
    border: 1px solid rgba(103, 232, 249, 0.25);
    margin-bottom: 24px;
    font-size: 13.5px;
    word-break: break-all;
}

.detail-link-box svg {
    width: 18px;
    height: 18px;
    color: var(--type-link);
    flex-shrink: 0;
}

.detail-link-box a {
    color: var(--type-link);
}

.detail-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* ============================================================
   Toast 提示
   ============================================================ */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 300;
    min-width: 200px;
    max-width: 90vw;
    padding: 12px 22px;
    border-radius: 12px;
    background: rgba(30, 32, 40, 0.92);
    backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.5);
    font-size: 14px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
}

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

.toast.success {
    border-color: rgba(52, 211, 153, 0.4);
}

.toast.error {
    border-color: rgba(248, 113, 113, 0.45);
}

/* ============================================================
   确认弹窗
   ============================================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 250;
    place-items: center;
    padding: 20px;
}

.modal.show {
    display: grid;
}

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

.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: rgba(28, 30, 38, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 26px 22px 20px;
    backdrop-filter: blur(24px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.modal-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.14);
    display: grid;
    place-items: center;
    margin-bottom: 16px;
}

.modal-icon svg {
    width: 22px;
    height: 22px;
    color: #f87171;
}

.modal-title {
    font-size: 17px;
    font-weight: 650;
    margin-bottom: 8px;
}

.modal-body {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 22px;
}

.modal-actions {
    display: flex;
    gap: 10px;
}

.modal-actions .btn {
    flex: 1;
}

/* ============================================================
   平板：>= 640px
   ============================================================ */
@media (min-width: 640px) {
    .diary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .type-selector {
        grid-template-columns: repeat(4, 1fr);
    }

    .form-card {
        padding: 30px 28px;
    }

    .detail-card {
        padding: 38px 34px;
    }

    .layout {
        padding: 26px 24px 60px;
    }

    .nav-inner {
        padding: 0 24px;
    }
}

/* ============================================================
   桌面：>= 1024px —— 侧边栏常驻
   ============================================================ */
@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }

    .sidebar {
        position: sticky;
        top: calc(var(--nav-h) + 20px);
        transform: none;
        height: calc(100vh - var(--nav-h) - 20px);
        background: var(--glass);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius);
        padding: 20px 16px;
    }

    .sidebar-close,
    .sidebar-header .logo {
        display: none;
    }

    .sidebar-header {
        margin-bottom: 18px;
    }

    .layout {
        display: grid;
        grid-template-columns: var(--sidebar-w) 1fr;
        gap: 24px;
        align-items: start;
        padding-top: 24px;
    }

    /* 无侧边栏的页面（表单页、详情页）保持单列块布局 */
    .layout-single {
        display: block;
    }

    .diary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 导航「写日记」按钮显示完整文字 */
    .nav-actions .btn-label {
        display: inline;
    }

    .nav-actions .btn {
        padding: 0 18px;
    }
}

/* ============================================================
   宽屏：>= 1320px —— 三列卡片
   ============================================================ */
@media (min-width: 1320px) {
    .diary-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================================
   无障碍：减少动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}