:root {
    --primary: #5B5FFF;
    --primary-light: #8A8CFF;
    --primary-dark: #4A4AE6;
    --secondary: #FF6B8B;
    --dark: #1E293B;
    --light: #F8FAFC;
    --gray: #94A3B8;
    --gray-light: #E2E8F0;
    --gray-dark: #64748B;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: #F0F4F8;
    background-image: 
        radial-gradient(at 40% 20%, rgba(91, 95, 255, 0.05) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(255, 107, 139, 0.05) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(91, 95, 255, 0.05) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(255, 107, 139, 0.05) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(91, 95, 255, 0.05) 0px, transparent 50%),
        radial-gradient(at 80% 100%, rgba(255, 107, 139, 0.05) 0px, transparent 50%);
    color: var(--dark);
    min-height: 100vh;
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.app-container {
    display: flex;
    flex: 1;
}

/* 侧边栏样式 */
.sidebar {
    width: var(--sidebar-width);
    background-color: white;
    box-shadow: var(--shadow);
    height: 100vh;
    padding: 1rem 0;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 90;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform: translateX(0);
    transition: transform 0.3s ease;
}

/* 访问统计样式 */
.visitor-counter {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 1rem;
    text-align: center;
}

.counter-content {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 0;
}

.counter-number {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0.3rem 0;
    color: var(--primary);
    text-shadow: 0 2px 8px rgba(91, 95, 255, 0.2);
    transition: transform 0.3s ease;
}

.counter-number:hover {
    transform: scale(1.05);
}

/* 时间卡片样式 */
.time-card {
    padding: 1rem 1.5rem;
    margin: 0 1.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    color: var(--dark);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border: 1px solid rgba(91, 95, 255, 0.1);
}

.time-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.current-time {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.current-date {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
}

.current-weekday {
    font-size: 0.8rem;
    margin-top: 0.3rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
}

/* 个人简介样式 */
.profile-section {
    padding: 0 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 1rem;
    text-align: center;
}

/* 静态头像样式 */
.profile-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-light);
    box-shadow: 0 4px 12px rgba(91, 95, 255, 0.2);
    margin: 0 auto 0.8rem;
}

.profile-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.profile-title {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 0.8rem;
}

.profile-bio {
    font-size: 0.8rem;
    color: var(--gray-dark);
    line-height: 1.4;
    margin-bottom: 1rem;
}

/* 联系按钮样式 */
.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 0.8rem;
}

.contact-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.qq-btn {
    background-color: #12B7F5;
}

.email-btn {
    background-color: #FF6B6B;
}

.contact-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* 主内容区样式 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    width: 100%;
}

.sidebar.active + .main-content {
    margin-left: var(--sidebar-width);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
}

header {
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
    padding: 1rem 0;
    text-align: left;
}

.header-content {
    position: relative;
    z-index: 2;
    margin-left: 1rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(91, 95, 255, 0.1);
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.logo:hover img {
    transform: scale(1.1) rotate(5deg);
    transition: transform 0.3s ease;
}

.slogan {
    color: var(--gray-dark);
    font-size: 0.9rem;
    font-weight: 500;
    margin-left: calc(32px + 0.8rem);
    opacity: 0.9;
}

/* 分类标题 */
.category-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 2.5rem 0 1.5rem 1rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
    width: fit-content;
}

.category-title i {
    color: var(--primary);
}

/* 网站卡片网格 - 旗下站点 */
.owned-websites {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
}

/* 网站卡片网格 - 友情站点 */
.friend-websites {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.2rem;
    margin-bottom: 3rem;
    padding-left: 1rem;
}

/* 旗下站点卡片样式 */
.website-card.owned {
    background-color: white;
    border-radius: var(--radius);
    padding: 1.2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.website-card.owned::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.website-card.owned:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(91, 95, 255, 0.1);
}

.website-card.owned:hover::before {
    transform: scaleX(1);
}

.website-card .website-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 0.8rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    overflow: hidden;
}

.website-card .website-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.website-card.owned:hover .website-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.website-card.owned .website-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.website-card.owned:hover .website-name {
    color: var(--primary);
}

.website-card.owned .website-desc {
    font-size: 0.75rem;
    color: var(--gray-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}

.website-card.owned:hover .website-desc {
    color: var(--dark);
    opacity: 0.9;
}

/* 友情站点卡片样式 */
.website-card.friend {
    background-color: white;
    border-radius: var(--radius);
    padding: 0.8rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.website-card.friend::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--gray), var(--gray-dark));
    transform: scaleX(0);
    transition: var(--transition);
}

.website-card.friend:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(148, 163, 184, 0.1);
}

.website-card.friend:hover::before {
    transform: scaleX(1);
}

.website-card.friend .website-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 0.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.website-card.friend:hover .website-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.website-card.friend .website-name {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.website-card.friend:hover .website-name {
    color: var(--gray-dark);
}

.website-card.friend .website-desc {
    font-size: 0.7rem;
    color: var(--gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}

.website-card.friend:hover .website-desc {
    color: var(--dark);
    opacity: 0.8;
}

/* 侧边栏切换按钮 */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: white;
    color: var(--gray-dark);
    border: none;
    font-size: 1rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 100;
}

.sidebar-toggle:hover {
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(91, 95, 255, 0.2);
}

.sidebar.active ~ .sidebar-toggle {
    z-index: 110;
    left: calc(var(--sidebar-width) + 1rem);
    background-color: var(--primary);
    color: white;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--gray-light);
    animation: float 3s ease-in-out infinite;
}

.empty-state p {
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 1.5rem 0;
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: auto;
    border-top: 1px solid var(--gray-light);
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-item i {
    color: var(--primary);
    font-size: 0.9rem;
}

.safety-days {
    color: var(--primary);
    font-weight: 600;
}

/* 页脚标志图片容器样式 */
.footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 5px;
}

.footer-logos img {
    max-width: 80px;
    max-height: 32px;
    object-fit: contain;
}

/* 深色模式 */
body.dark-mode {
    background-color: #0F172A;
    background-image: 
        radial-gradient(at 40% 20%, rgba(91, 95, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(255, 107, 139, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(91, 95, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(255, 107, 139, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(91, 95, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 100%, rgba(255, 107, 139, 0.1) 0px, transparent 50%);
    color: var(--light);
}

body.dark-mode .sidebar,
body.dark-mode .website-card,
body.dark-mode .modal-content {
    background-color: #1E293B;
    color: var(--light);
}

body.dark-mode .time-card {
    background-color: rgba(30, 41, 59, 0.8);
    color: var(--light);
}

body.dark-mode .visitor-counter {
    border-color: #334155;
}

body.dark-mode .counter-content {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body.dark-mode .sidebar-header,
body.dark-mode .profile-section {
    border-color: #334155;
}

body.dark-mode .website-desc,
body.dark-mode .slogan,
body.dark-mode footer,
body.dark-mode .modal-title,
body.dark-mode .category-title {
    color: var(--gray);
}

body.dark-mode .url-input,
body.dark-mode .cancel-btn {
    background-color: #334155;
    color: var(--light);
    border-color: #475569;
}

body.dark-mode .empty-state i {
    color: #334155;
}

body.dark-mode footer {
    border-top-color: #334155;
}

/* 动画 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .owned-websites {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .friend-websites {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .logo {
        font-size: 1.6rem;
    }

    .website-card.owned .website-icon {
        width: 48px;
        height: 48px;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 105;
    }

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

    .sidebar.active + .main-content {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .footer-info {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .owned-websites {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 1rem;
    }
    
    .friend-websites {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 0.8rem;
    }

    .website-card.owned,
    .website-card.friend {
        padding: 0.8rem;
    }

    .website-card.owned .website-name,
    .website-card.friend .website-name {
        font-size: 0.85rem;
    }

    .sidebar-toggle {
        width: 38px;
        height: 38px;
    }
}