/* ==========================================
   私人日记空间 - 自定义样式
   深色模式 · 深夜房间氛围
   ========================================== */

/* ---- 基础 ---- */
* {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family, "Roboto", "Noto Sans SC", "Helvetica Neue", sans-serif);
    background-color: #1a1d23;
    color: #b0bec5;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-color, #ff6e40);
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #ff8a65;
}

/* ---- 动态背景层 ---- */
.bg-layer {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(69,90,100,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(255,110,64,0.06) 0%, transparent 50%),
        linear-gradient(180deg, #1a1d23 0%, #1e2328 50%, #1a1d23 100%);
}

.bg-layer::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: var(--bg-opacity, 0.92);
}

/* ---- 导航链接 ---- */
.nav-link {
    color: #90a4ae !important;
    font-size: 14px !important;
    letter-spacing: 1px;
    text-transform: none !important;
    font-weight: 400 !important;
}
.nav-link:hover {
    color: #cfd8dc !important;
    background: rgba(255,255,255,0.05) !important;
}

/* ---- 主容器 ---- */
.main-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 80px 16px 40px;
}

@media (max-width: 600px) {
    .main-container {
        padding: 72px 8px 32px;
    }
}

/* ---- 首页时间流 ---- */
.timeline-header {
    text-align: center;
    padding: 40px 0 20px;
    animation: fadeInUp 0.8s ease;
}

.timeline-header .current-time {
    font-size: 14px;
    color: #78909c;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.timeline-header .greeting {
    font-size: 28px;
    font-weight: 300;
    color: #cfd8dc;
    letter-spacing: 2px;
}

@media (max-width: 600px) {
    .timeline-header .greeting {
        font-size: 22px;
    }
}

/* ---- MDUI 卡片定制 ---- */
.diary-card {
    margin-bottom: 24px;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.4s ease;
    animation: fadeInUp 0.6s ease both;
    background: rgba(30,33,40, var(--card-opacity, 0.85)) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.04);
}

.diary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 1px rgba(255,110,64,0.1) !important;
}

.diary-card .mdui-card-primary-title {
    font-size: 18px;
    font-weight: 400;
    color: #eceff1;
    letter-spacing: 0.5px;
}

.diary-card .mdui-card-primary-subtitle {
    font-size: 12px;
    color: #78909c;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.diary-card .mdui-card-content {
    color: #b0bec5;
    font-size: 15px;
    line-height: 1.8;
    padding: 8px 16px 16px;
}

.diary-card .mdui-card-actions {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: 8px 16px;
}

/* 卡片图片 */
.diary-card .card-cover {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
    display: block;
}

/* 音乐卡片 */
.music-card-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255,110,64,0.08);
    border-radius: 6px;
    margin: 8px 0;
}

.music-card-inner .music-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-color, #ff6e40);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    animation: musicPulse 3s ease-in-out infinite;
}

.music-card-inner .music-info {
    flex: 1;
    min-width: 0;
}

.music-card-inner .music-title {
    font-size: 14px;
    color: #eceff1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.music-card-inner .music-artist {
    font-size: 12px;
    color: #78909c;
}

/* 心情标签 */
.mood-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--accent-color, #ff6e40);
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(255,110,64,0.1);
    border: 1px solid rgba(255,110,64,0.15);
}

.mood-tag i {
    font-size: 14px;
}

/* 天气标签 */
.weather-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #81d4fa;
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(129,212,250,0.1);
    border: 1px solid rgba(129,212,250,0.15);
}

.weather-tag i {
    font-size: 14px;
}

/* 标签 */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.post-tag {
    font-size: 11px;
    color: #78909c;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    transition: all 0.3s ease;
}

.post-tag:hover {
    color: #cfd8dc;
    background: rgba(255,255,255,0.08);
}

/* 置顶标记 */
.pin-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #ffcc02;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255,204,2,0.1);
}

.pin-badge i {
    font-size: 13px;
}

/* 密码保护 */
.password-protected {
    text-align: center;
    padding: 32px 16px;
}

.password-protected i {
    font-size: 48px;
    color: #546e7a;
    margin-bottom: 12px;
}

/* ---- 单篇文章页（MDUI Card） ---- */
.post-single.mdui-card.diary-card {
    padding: 0 !important;
}

.post-single .post-header {
    text-align: center;
    padding: 32px 24px 8px;
}

.post-single .post-title {
    font-size: 24px;
    font-weight: 400;
    color: #eceff1;
    letter-spacing: 1px;
    line-height: 1.4;
}

.post-single .post-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
    font-size: 13px;
    color: #78909c;
}

.post-single .post-content {
    font-size: 16px;
    line-height: 1.9;
    color: #b0bec5;
    padding: 16px 24px 24px;
}

.post-single .post-content p {
    margin: 0 0 1em;
}

.post-single .post-content img {
    max-width: 100%;
    border-radius: 6px;
    margin: 8px 0;
}

.post-single .post-content blockquote {
    border-left: 3px solid var(--accent-color, #ff6e40);
    margin: 16px 0;
    padding: 8px 16px;
    background: rgba(255,110,64,0.05);
    border-radius: 0 4px 4px 0;
    color: #90a4ae;
}

.post-single .post-content code {
    background: rgba(255,255,255,0.06);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "Fira Code", "Consolas", monospace;
    font-size: 0.9em;
}

.post-single .post-content hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 24px 0;
}

.post-single .post-content h1,
.post-single .post-content h2,
.post-single .post-content h3,
.post-single .post-content h4 {
    color: #eceff1;
    font-weight: 400;
    margin-top: 1.5em;
}

/* ---- 评论 ---- */
.comments-section {
    margin-top: 40px;
}

.comments-section .section-title {
    font-size: 16px;
    font-weight: 400;
    color: #90a4ae;
    letter-spacing: 1px;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.comment-item {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    animation: fadeInUp 0.4s ease;
}

.comment-item .comment-author {
    font-size: 14px;
    font-weight: 500;
    color: #cfd8dc;
}

.comment-item .comment-time {
    font-size: 11px;
    color: #607d8b;
    margin-left: 8px;
}

.comment-item .comment-content {
    margin-top: 6px;
    font-size: 14px;
    color: #90a4ae;
    line-height: 1.7;
}

.comment-form {
    margin-top: 24px;
}

/* ---- 留言板 ---- */
.guestbook-intro {
    text-align: center;
    padding: 32px 0 24px;
}

.guestbook-intro i {
    font-size: 36px;
    color: #546e7a;
    margin-bottom: 8px;
}

.guestbook-intro h2 {
    font-size: 20px;
    font-weight: 300;
    color: #cfd8dc;
    letter-spacing: 2px;
}

.guestbook-intro p {
    font-size: 13px;
    color: #78909c;
    margin-top: 4px;
}

/* ---- 关于页 ---- */
.about-section {
    text-align: center;
    padding: 40px 0;
}

.about-section .about-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 16px;
    border: 2px solid rgba(255,255,255,0.1);
}

.about-section h1 {
    font-size: 24px;
    font-weight: 300;
    color: #eceff1;
    letter-spacing: 2px;
}

.about-content {
    font-size: 15px;
    line-height: 2;
    color: #90a4ae;
    padding: 16px 0;
}

/* ---- 分页 ---- */
.pagination-wrap {
    margin: 32px 0;
    text-align: center;
}

.pagination-wrap .mdui-btn {
    color: #78909c !important;
    min-width: 36px;
    height: 36px;
    border-radius: 18px;
}

.pagination-wrap .mdui-color-theme {
    background: var(--accent-color, #ff6e40) !important;
    color: #fff !important;
}

/* ---- 后台样式 ---- */
.admin-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 80px 16px 40px;
}

@media (max-width: 600px) {
    .admin-container {
        padding: 72px 8px 32px;
    }
}

.admin-sidebar {
    position: fixed;
    left: 0;
    top: 56px;
    width: 200px;
    height: calc(100% - 56px);
    background: rgba(24,27,33,0.95);
    border-right: 1px solid rgba(255,255,255,0.05);
    padding: 16px 0;
    overflow-y: auto;
    z-index: 10;
}

.admin-sidebar .sidebar-title {
    font-size: 11px;
    color: #546e7a;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 20px 4px;
}

.admin-sidebar .mdui-list-item {
    color: #90a4ae;
    font-size: 14px;
    padding-left: 20px;
    transition: all 0.2s;
}

.admin-sidebar .mdui-list-item:hover {
    background: rgba(255,255,255,0.03);
    color: #cfd8dc;
}

.admin-sidebar .mdui-list-item.active {
    color: var(--accent-color, #ff6e40);
    background: rgba(255,110,64,0.06);
    border-right: 2px solid var(--accent-color, #ff6e40);
}

.admin-main {
    margin-left: 200px;
}

@media (max-width: 960px) {
    .admin-sidebar {
        display: none;
    }
    .admin-main {
        margin-left: 0;
    }
}

/* 后台卡片 */
.admin-card {
    background: rgba(30,33,40,0.9) !important;
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 8px;
    margin-bottom: 20px;
}

.admin-card .mdui-card-header {
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

/* Markdown编辑器区域 */
.editor-wrap {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.editor-wrap textarea {
    font-family: "Fira Code", "Consolas", "Courier New", monospace;
    font-size: 14px;
    line-height: 1.7;
    background: rgba(0,0,0,0.2) !important;
    color: #cfd8dc !important;
    border: 1px solid rgba(255,255,255,0.08) !important;
    border-radius: 6px;
    padding: 16px;
    min-height: 300px;
    resize: vertical;
}

.editor-wrap textarea:focus {
    border-color: var(--accent-color, #ff6e40) !important;
    box-shadow: 0 0 0 2px rgba(255,110,64,0.15);
}

/* 图片上传预览 */
.upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.upload-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.08);
}

/* ---- 登录页 ---- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: rgba(30,33,40,0.9) !important;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    animation: fadeInUp 0.6s ease;
}

.login-card .login-header {
    text-align: center;
    padding: 32px 16px 0;
}

.login-card .login-header i {
    font-size: 48px;
    color: #546e7a;
}

.login-card .login-header h2 {
    font-size: 20px;
    font-weight: 300;
    color: #cfd8dc;
    letter-spacing: 2px;
    margin-top: 8px;
}

/* ---- 时间显示 ---- */
.footer-time {
    font-size: 12px;
    color: #546e7a;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

/* ---- 页脚 ---- */
.site-footer {
    text-align: center;
    padding: 40px 16px 32px;
    border-top: 1px solid rgba(255,255,255,0.04);
    margin-top: 40px;
}

.footer-inner {
    max-width: 600px;
    margin: 0 auto;
}

.footer-text {
    font-size: 13px;
    color: #607d8b;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.footer-links {
    font-size: 12px;
    color: #546e7a;
    margin-bottom: 4px;
}

.footer-links a {
    color: #78909c;
}

.footer-links a:hover {
    color: #b0bec5;
}

.footer-links span {
    margin: 0 6px;
    color: #455a64;
}

.footer-copy {
    font-size: 11px;
    color: #455a64;
}

/* ---- 下雨效果 ---- */
.rain-container {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

.raindrop {
    position: absolute;
    top: -20px;
    width: 1px;
    height: 20px;
    background: linear-gradient(transparent, rgba(255,255,255,0.15));
    animation: rain linear infinite;
}

/* ---- 底部音乐播放器 ---- */
.music-player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background: rgba(20,23,28,0.92);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    padding: 0 16px;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.music-player-bar.visible {
    transform: translateY(0);
}

/* ---- 呼吸动画（卡片） ---- */
@keyframes cardBreathe {
    0%, 100% { box-shadow: 0 2px 16px rgba(0,0,0,0.3); }
    50% { box-shadow: 0 4px 24px rgba(0,0,0,0.5), 0 0 2px rgba(255,110,64,0.08); }
}

.diary-card.breathe {
    animation: cardBreathe 4s ease-in-out infinite, fadeInUp 0.6s ease both;
}

/* ---- 淡入上移动画 ---- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes musicPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes rain {
    0% { transform: translateY(-20px); }
    100% { transform: translateY(100vh); }
}

/* ---- 深色主题下 MDUI 微调 ---- */
.mdui-theme-layout-dark .mdui-textfield-input {
    color: #cfd8dc !important;
    border-bottom-color: rgba(255,255,255,0.12) !important;
}

.mdui-theme-layout-dark .mdui-textfield-input:focus {
    border-bottom-color: var(--accent-color, #ff6e40) !important;
}

.mdui-theme-layout-dark .mdui-textfield-label {
    color: #78909c !important;
}

.mdui-theme-layout-dark .mdui-divider {
    background-color: rgba(255,255,255,0.06);
}

.mdui-drawer .mdui-list-item {
    color: #90a4ae;
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.14);
}

/* ---- 空状态 ---- */
.empty-state {
    text-align: center;
    padding: 60px 16px;
    color: #546e7a;
}

.empty-state i {
    font-size: 56px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    letter-spacing: 1px;
}

/* ---- 响应式微调 ---- */
@media (max-width: 600px) {
    .diary-card .mdui-card-primary-title {
        font-size: 16px;
    }
    .diary-card .mdui-card-content {
        font-size: 14px;
    }
    .post-single .post-title {
        font-size: 20px;
    }
    .post-single .post-content {
        font-size: 15px;
    }
}