/* 顶部导航栏样式 */

/* 顶部导航栏 - 简化版 */
.top-nav {
    background: var(--bg-secondary);
    border-bottom: none; /* 移除硬边框 */
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    height: 64px;
    position: relative;
}

/* 顶部导航渐变底边 */
.top-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(68, 147, 248, 0.3) 20%,
        rgba(68, 147, 248, 0.6) 50%,
        rgba(68, 147, 248, 0.3) 80%,
        transparent 100%
    );
    opacity: 0.8;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

/* 右侧会员区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bg-primary);
}

/* 用户信息显示 */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info.logged-in {
    gap: 16px;
}

.particles-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #1a1f2e;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.user-menu-btn:hover {
    background: var(--bg-input-focus);
    border-color: var(--accent-primary);
}

.user-menu-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    min-width: 180px;
    overflow: hidden;
}

.user-menu-dropdown.active {
    display: block;
}

.user-menu-item {
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
}

.user-menu-item:hover {
    background: var(--card-hover);
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.login-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}