.sign-in-btn {
    padding: 8px 16px;
    background: #da552f; /* Product Hunt 主色 */
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

/* 遮罩层 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none; /* 默认隐藏 */
    justify-content: center;
    align-items: center;
}

/* 登录弹窗 */
.sign-in-modal {
    width: 500px;
    background: white;
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

/* 显示状态 */
.modal-overlay.show {
    display: flex;
}

/* 登录方式按钮 */
.auth-btn {
    display: block;
    width: 100%;
    padding: 8px 0;
    margin: 8px 0;
    border: 1px solid #eee;
    border-radius: 4px;
    background: white;
    cursor: pointer;
}

/* 输入框容器 */
.input-wrapper {
    @apply relative mb-4;
}
/* 输入框样式 */
.form-input {
    @apply w-full pl-10 pr-4 py-3 rounded-xl border border-neutral-200 input-focus placeholder:text-neutral-400;
}
/* 按钮通用样式 */
.btn-code {
    @apply py-3 px-4 rounded-xl bg-neutral-100 text-neutral-600 hover:bg-neutral-200 transition-all duration-300 text-sm font-medium h-[49px] whitespace-nowrap;
}

/* 头像 hover 效果 */
.avatar-img:hover {
    transform: scale(1.05);
    transition: transform 0.2s ease;
}
/* 下拉菜单项 hover 背景 */
.dropdown-item:hover {
    background-color: #f8f9fa;
}
/* 退出按钮 hover 背景 */
.bg-danger-soft-hover:hover {
    background-color: #fff5f5 !important;
}

#navbar {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}