/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.5;
    min-height: 100vh;
}

/* 应用容器 */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏样式 */
.sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid #e5e5e7;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
}

.logo-container {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid #e5e5e7;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: #0071e3;
    letter-spacing: 0.05em;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.5rem;
}

.nav-menu {
    flex: 1;
    padding: 1.5rem 0;
    overflow-y: auto;
}

.nav-group {
    margin-bottom: 2rem;
}

.nav-group-title {
    padding: 0 1.5rem;
    font-size: 0.9rem;
    color: #86868b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin: 0.2rem 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: #1d1d1f;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(0, 113, 227, 0.1);
    color: #0071e3;
}

.nav-item.active .nav-link {
    background: rgba(0, 113, 227, 0.1);
    color: #0071e3;
    font-weight: 500;
}

.nav-icon {
    margin-right: 0.8rem;
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid #e5e5e7;
}

/* 主要内容区域 */
.main-container {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* 导航项样式 */
.nav-item.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.nav-item.disabled .nav-link {
    pointer-events: none;
}

.status-badge {
    font-size: 0.8rem;
    padding: 2px 6px;
    background: rgba(0, 113, 227, 0.1);
    color: #0071e3;
    border-radius: 4px;
    margin-left: auto;
}

.nav-item.disabled .status-badge {
    background: rgba(134, 134, 139, 0.1);
    color: #86868b;
}

/* 工具内容样式 */
.tool-content {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-content[style*="display: block"] {
    opacity: 1;
}

/* 响应式设计 - 平板 */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }

    .main-container {
        margin-left: 240px;
        padding: 1.5rem;
    }

    .logo {
        font-size: 1.8rem;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        min-height: auto;
        position: fixed;
        top: 0;
        left: 0;
        border-right: none;
        border-bottom: 1px solid #e5e5e7;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
    }

    .logo-container {
        padding: 1rem;
        height: 60px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        padding: 1rem 0;
        background: white;
        border-top: 1px solid #e5e5e7;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .nav-menu.active {
        display: block;
    }

    .main-container {
        margin-left: 0;
        margin-top: 60px;
        padding: 1rem;
    }

    .sidebar-footer {
        display: none;
    }

    .nav-link {
        padding: 1rem 1.5rem;
    }

    /* 提高点击区域的大小 */
    .nav-item {
        margin: 0;
    }

    .nav-link {
        padding: 1rem 1.5rem;
    }

    /* 优化状态标签在移动端的显示 */
    .status-badge {
        padding: 4px 8px;
        font-size: 0.85rem;
    }
}

/* 响应式设计 - 小屏手机 */
@media (max-width: 375px) {
    .logo {
        font-size: 1.3rem;
    }

    .logo-container {
        padding: 0.8rem;
        height: 50px;
    }

    .main-container {
        margin-top: 50px;
        padding: 0.8rem;
    }

    .nav-link {
        padding: 0.8rem 1.2rem;
    }
}