/* 通用样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
    height: 100vh;
    overflow: hidden;
}

/* 状态栏样式 */
.status-bar {
    height: 44px;
    background-color: #000;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    font-size: 14px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.status-bar-time {
    font-weight: 600;
}

.status-bar-icons {
    display: flex;
    gap: 5px;
}

/* 底部导航栏 */
.tab-bar {
    height: 83px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #8e8e93;
    font-size: 10px;
    width: 20%;
}

.tab-item.active {
    color: #007aff;
}

.tab-icon {
    font-size: 24px;
    margin-bottom: 4px;
}

/* 内容区域 */
.content {
    padding: 16px;
    padding-bottom: 100px;
    overflow-y: auto;
    height: calc(100vh - 127px); /* 状态栏 + 底部导航栏的高度 */
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 16px;
    overflow: hidden;
}

/* 头像样式 */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-lg {
    width: 64px;
    height: 64px;
}

/* 按钮样式 */
.btn-primary {
    background-color: #007aff;
    color: white;
    border-radius: 8px;
    padding: 12px 20px;
    font-weight: 600;
    border: none;
    text-align: center;
}

.btn-secondary {
    background-color: #f2f2f7;
    color: #007aff;
    border-radius: 8px;
    padding: 12px 20px;
    font-weight: 600;
    border: none;
    text-align: center;
}

/* 输入框样式 */
.input {
    background-color: #f2f2f7;
    border-radius: 8px;
    padding: 12px 16px;
    border: none;
    width: 100%;
    font-size: 16px;
}

/* 标签样式 */
.tag {
    background-color: #f2f2f7;
    border-radius: 16px;
    padding: 6px 12px;
    font-size: 14px;
    margin-right: 8px;
    display: inline-block;
}

/* 分隔线 */
.divider {
    height: 1px;
    background-color: #e0e0e0;
    margin: 16px 0;
}

/* 导航栏 */
.navbar {
    height: 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    background-color: white;
    border-bottom: 1px solid #e0e0e0;
}

.navbar-title {
    font-size: 17px;
    font-weight: 600;
}

/* 列表项 */
.list-item {
    display: flex;
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

/* 徽章 */
.badge {
    background-color: #ff3b30;
    color: white;
    border-radius: 50%;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    position: absolute;
    top: -5px;
    right: -5px;
}

/* 动作按钮 */
.action-button {
    width: 56px;
    height: 56px;
    border-radius: 28px;
    background-color: #007aff;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 100px;
    right: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 30;
}

.action-button i {
    font-size: 24px;
}