/* ============================================================
   全局基础样式
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4f6ef7;
    --primary-dark: #3a56d4;
    --primary-light: #eef1fe;
    --accent: #06d6a0;
    --dark: #1a1d2e;
    --dark-2: #252840;
    --text: #2d3142;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --bg: #f0f2f8;
    --bg-card: #ffffff;
    --border: #e5e7ef;
    --shadow-sm: 0 2px 8px rgba(79, 110, 247, 0.08);
    --shadow-md: 0 8px 24px rgba(79, 110, 247, 0.12);
    --shadow-lg: 0 16px 48px rgba(79, 110, 247, 0.18);
    --radius: 14px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: #fff;
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    max-width: 1200px;
}

.logo {
    color: #fff;
    text-decoration: none;
    font-size: 1.3em;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.1em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-item:hover,
.nav-item.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.welcome-badge {
    background: rgba(79, 110, 247, 0.3);
    color: rgba(255,255,255,0.9);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
    margin-left: 8px;
}

.btn-logout {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    cursor: pointer;
    font-size: 0.88em;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 8px;
    transition: all 0.2s;
    margin-left: 4px;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #fff;
}

/* ============================================================
   通用按钮
   ============================================================ */
.btn {
    display: inline-block;
    padding: 9px 22px;
    border: none;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.btn-primary:hover {
    opacity: 0.9;
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-danger {
    background: #ef4444;
    color: #fff;
    border: none;
    padding: 9px 22px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-delete-link {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    margin-left: 15px;
    padding: 0;
    transition: color 0.2s;
}

.btn-delete-link:hover {
    color: #dc2626;
    text-decoration: underline;
}

.btn-edit-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 600;
    margin-left: 15px;
    transition: color 0.2s;
}

.btn-edit-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85em;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1em;
    padding: 0;
}

/* ============================================================
   主内容区
   ============================================================ */
.main-content {
    flex: 1;
    padding: 32px 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================================
   首页：左右布局
   ============================================================ */
.home-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 28px;
    align-items: start;
}

/* ============================================================
   左侧：个人信息面板
   ============================================================ */
.sidebar {
    position: sticky;
    top: 80px;
}

.profile-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
}

/* 顶部渐变装饰 */
.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    opacity: 0.08;
}

/* 头像区域 */
.avatar-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: var(--shadow-md);
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    font-size: 2.5em;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    border: 3px solid #fff;
}

.avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0.4;
    animation: pulse-ring 2.5s ease-in-out infinite;
}

@keyframes pulse-ring {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.1; transform: scale(1.05); }
}

/* 个人基本信息 */
.profile-info {
    text-align: center;
    margin-bottom: 20px;
}

.profile-name {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.profile-role {
    margin-bottom: 12px;
}

.role-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.82em;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.profile-bio {
    color: var(--text-muted);
    font-size: 0.88em;
    line-height: 1.65;
    margin-bottom: 10px;
}

.profile-location {
    color: var(--text-light);
    font-size: 0.85em;
}

/* 分割线 */
.divider {
    height: 1px;
    background: var(--border);
    margin: 18px 0;
}

/* 区块标题 */
.section-title {
    font-size: 0.78em;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.title-icon {
    font-size: 1.1em;
}

/* ============================================================
   技能标签 - 每个技能独立卡片
   ============================================================ */
.skills-section {
    margin-bottom: 4px;
}

.skill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #f0f4ff 100%);
    border: 1px solid rgba(79, 110, 247, 0.2);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.83em;
    font-weight: 600;
    transition: all 0.2s;
    cursor: default;
}

.skill-item:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 110, 247, 0.25);
}

.skill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    transition: background 0.2s;
}

.skill-item:hover .skill-dot {
    background: rgba(255,255,255,0.8);
}

/* 联系方式 */
.contact-section {
    margin-bottom: 4px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.87em;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    border: 1px solid transparent;
}

.contact-item:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(79, 110, 247, 0.15);
}

.contact-icon {
    font-size: 1.1em;
    flex-shrink: 0;
}

/* 编辑按钮 */
.btn-edit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 600;
    transition: all 0.25s;
    box-shadow: 0 4px 12px rgba(79, 110, 247, 0.3);
}

.btn-edit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 110, 247, 0.4);
    opacity: 0.95;
}

/* ============================================================
   右侧：文章内容区
   ============================================================ */
.content-area {
    min-width: 0;
}

/* 标题栏 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
}

.section-main-title {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 0.9em;
}

.btn-write {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    background: linear-gradient(135deg, var(--accent) 0%, #059669 100%);
    color: #fff;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.88em;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(6, 214, 160, 0.3);
}

.btn-write:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(6, 214, 160, 0.4);
}

/* 文章卡片网格 */
.article-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.article-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
    position: relative;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(79, 110, 247, 0.2);
}

/* 左侧彩色装饰条 */
.card-accent {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, #7c3aed 100%);
    border-radius: 4px 0 0 4px;
}

.card-body {
    padding: 20px 22px 14px 26px;
    flex: 1;
}

.article-title {
    font-size: 1.05em;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-title a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.article-title a:hover {
    color: var(--primary);
}

.article-meta {
    display: flex;
    gap: 16px;
    color: var(--text-light);
    font-size: 0.83em;
    align-items: center;
}

.meta-author,
.meta-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

.meta-icon {
    font-size: 0.95em;
}

.card-footer {
    padding: 10px 22px 14px 26px;
    border-top: 1px solid var(--border);
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 600;
    transition: gap 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.read-more:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* 查看全部按钮 */
.view-all-wrap {
    text-align: center;
    margin-top: 8px;
}

.btn-view-all {
    display: inline-block;
    padding: 10px 28px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-view-all:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 30px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.empty-icon {
    font-size: 3.5em;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.2em;
    color: var(--text);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9em;
}

.empty {
    text-align: center;
    color: var(--text-light);
    padding: 30px;
}

/* ============================================================
   文章列表页
   ============================================================ */
.recent-articles h2,
.recent-articles h2 {
    margin-bottom: 20px;
    color: var(--text);
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.article-item {
    background: var(--bg-card);
    padding: 24px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.article-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(79, 110, 247, 0.2);
}

.article-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, #7c3aed 100%);
    opacity: 0.6;
}

.article-item h3 {
    margin-bottom: 8px;
}

.article-item h3 a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.article-item h3 a:hover {
    color: var(--primary);
}

.article-meta {
    display: flex;
    gap: 15px;
    color: var(--text-light);
    font-size: 0.88em;
    margin-bottom: 8px;
}

.article-preview {
    color: #666;
    font-size: 0.95em;
    line-height: 1.5;
}

/* ============================================================
   文章详情页
   ============================================================ */
.article-detail {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.article-detail header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.article-detail h1 {
    font-size: 2em;
    color: var(--text);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.article-content {
    line-height: 1.8;
    color: #444;
}

.article-content h1,
.article-content h2,
.article-content h3 {
    margin: 20px 0 10px;
    color: var(--text);
}

.article-content h1 { font-size: 1.6em; }
.article-content h2 { font-size: 1.4em; }
.article-content h3 { font-size: 1.2em; }

.article-content p {
    margin-bottom: 15px;
}

.article-content code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
}

.article-content pre {
    background: var(--dark);
    color: #ecf0f1;
    padding: 15px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 15px 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.article-content ul, .article-content ol {
    margin: 10px 0 15px 25px;
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 15px;
    color: #666;
    margin: 15px 0;
}

.article-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

/* ============================================================
   评论区
   ============================================================ */
.comments-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid var(--border);
}

.comments-title {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
}

.comment-form-wrap {
    background: var(--bg);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 30px;
}

.comment-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95em;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 10px;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.1);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comment-item {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 16px;
    transition: all 0.2s;
}

.comment-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.comment-author {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95em;
}

.comment-date {
    color: var(--text-light);
    font-size: 0.85em;
}

.comment-content {
    color: #444;
    line-height: 1.6;
    font-size: 0.95em;
    white-space: pre-wrap;
}

.btn-delete-comment {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 500;
    padding: 0;
    margin-left: auto;
}

.btn-delete-comment:hover {
    text-decoration: underline;
}

.no-comments {
    text-align: center;
    color: var(--text-light);
    padding: 20px;
    font-style: italic;
}

/* ============================================================
   照片墙
   ============================================================ */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.photo-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    aspect-ratio: 4 / 3;
}

.photo-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.photo-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.photo-card:hover .gallery-img {
    transform: scale(1.1);
}

.photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.photo-title {
    color: #fff;
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 8px;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.photo-desc {
    color: rgba(255,255,255,0.8);
    font-size: 0.9em;
    line-height: 1.4;
    transform: translateY(20px);
    transition: transform 0.3s 0.1s;
}

.photo-card:hover .photo-title,
.photo-card:hover .photo-desc {
    transform: translateY(0);
}

/* ============================================================
   弹窗 (Modal)
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-card {
    background: var(--bg-card);
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text);
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.8em;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
}

.photo-management-form {
    padding: 24px;
    overflow-y: auto;
}

.photo-input-group {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    position: relative;
}

.photo-input-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9em;
}

.btn-remove-photo {
    background: #fee2e2;
    color: #ef4444;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
}

.modal-actions {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: right;
}

/* ============================================================
   认证页面
   ============================================================ */
.auth-page {
    display: flex;
    justify-content: center;
    padding-top: 60px;
}

.auth-card {
    background: var(--bg-card);
    padding: 44px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 420px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 28px;
    color: var(--text);
    font-size: 1.5em;
    font-weight: 700;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

/* ============================================================
   表单通用
   ============================================================ */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95em;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    color: var(--text);
    background: var(--bg-card);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* ============================================================
   写文章页面
   ============================================================ */
.create-page {
    background: var(--bg-card);
    padding: 40px 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    max-width: 1000px;
    margin: 0 auto;
}

.create-page h2 {
    margin-bottom: 24px;
    color: var(--text);
    font-size: 1.6em;
    font-weight: 700;
}

.article-form textarea {
    min-height: 420px;
    font-size: 0.95em;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

/* ============================================================
   个人信息编辑
   ============================================================ */
.profile-edit-page {
    background: var(--bg-card);
    padding: 40px 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    max-width: 1000px;
    margin: 0 auto;
}

.profile-edit-page h2 {
    margin-bottom: 24px;
    color: var(--text);
    font-size: 1.6em;
    font-weight: 700;
}

/* ============================================================
   提示 / 警告
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
    font-size: 0.9em;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* ============================================================
   空状态通用
   ============================================================ */
.empty-state-full {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state-full h2 {
    margin-bottom: 15px;
    color: var(--text-muted);
}

/* ============================================================
   页面头部
   ============================================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.page-header h2 {
    color: var(--text);
    font-size: 1.4em;
    font-weight: 700;
}

/* ============================================================
   文章列表页（全部文章）
   ============================================================ */
.articles-page {
    background: var(--bg-card);
    padding: 40px 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    max-width: 1000px;
    margin: 0 auto;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: rgba(255,255,255,0.5);
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
    font-size: 0.88em;
    letter-spacing: 0.02em;
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 900px) {
    .home-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .main-content {
        padding: 20px 16px;
    }
}

@media (max-width: 640px) {
    .navbar .container {
        height: auto;
        padding: 12px 16px;
        flex-direction: column;
        gap: 10px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .article-detail {
        padding: 22px;
    }

    .create-page,
    .profile-edit-page {
        padding: 22px;
        max-width: 100%;
    }
}